1917 Cybersecurity jobs in Fairfax

Job Title: Cybersecurity and Network Security Engineer
Clearance Required: Public Trust Clearance
Work Location: Hybrid in Rockville, MD

Alpha Omega is seeking a qualified Cybersecurity and Network Security Engineer with in-depth experience in perimeter security solutions supporting National Institutes of Health (NIH) specifically the Office of Research Services/Office of Research Facilities (ORS/ORF). The ICS/OT/IoT Cybersecurity and Network Security Engineer will support the National Institutes of Health (NIH) in assessing, improving, and maintaining the cybersecurity posture of ICS (Industrial Control Systems), OT (Operational Technology), and IoT (Internet of Things) environments. The engineer will lead security audits, perform risk and vulnerability assessments, and develop remediation roadmaps tailored to the NIH's unique operational landscape. This position requires a balance of strategic planning and hands-on technical execution to ensure protection against internal and external cyber threats, both intentional and accidental.

Key Responsibilities:

• Conduct inventory and security risk assessments of hardware and software assets, identifying vulnerabilities and areas of obsolescence.
• Review and validate network architecture designs, ensuring adherence to industry best practices such as the "zones and conduits" model and proper use of Industrial DMZs.
• Evaluate and configure security appliances (e.g., firewalls, IDS, IPS) to ensure optimal security posture.
• Design and deploy network infrastructure including switches, routers, firewalls, and virtualization solutions.
• Analyze system logs, security events, and packet captures to detect threats, and recommend mitigation strategies.
• Perform cyber vulnerability assessments within manufacturing and critical infrastructure environments, including identifying unauthorized access, remote connection risks, and unsecure endpoints.
• Review government cybersecurity frameworks, policies, and plans to ensure compliance and applicability.
• Develop detailed security documentation including network diagrams, implementation plans, mitigation strategies, SAT procedures, and logical architecture plans.
• Travel to NIH sites as required to support on-site assessments and implementations.

Required Qualifications:

Education:

• Bachelor's degree in Engineering (Electrical, Mechanical, Chemical, or related), Computer Science, or a related technical discipline.

Experience/Skills:

• Minimum of 5 years of hands-on experience designing, assessing, and implementing ICS/OT network architectures.
• Proficiency in OT communication protocols (e.g., Ethernet/IP, CIP, Modbus, OPC).
• Knowledge of industrial network topologies (e.g., ring, star).
• Familiarity with cybersecurity frameworks for ICS/OT such as ISA-99/IEC 62443, NIST SP 800-82, CIS, Purdue Model.
• Demonstrated ability to design and deploy Ethernet/IP communication systems.
• Experience with Nozomi Cyber-Physical System (CPS).

Preferred Qualifications:

• Certified SCADA Security Architect (CSSA).
• GIAC certifications such as GICSP, GRID, or CIP.
• ISA/IEC 62443 Cybersecurity certification.
• Networking certifications (e.g., CCNA, CCNP, JNCIP-ENT).
• Cybersecurity certifications (e.g., CEH, CISA, CISM, CCSP).
• Familiarity with MITRE ATT&CK for ICS and NERC CIP compliance frameworks.
• Knowledge of general cybersecurity frameworks (ISO/IEC 27001/27002, ISO 15408, NIST CSF, NIST SP800-53).
• Practical understanding of DCS, PLCs, SCADA, and related ICS systems.
• Experience in performing vulnerability assessments, penetration testing, and threat hunting within ICS/OT environments.
• Prior experience as a Control Systems or SCADA Engineer in manufacturing or power generation.
• Certified Professional Engineer (PE) is a plus.

Certification(s):

• CompTIA CCNA and CISSP certifications.

Salary and Benefit Information:

The likely salary range for this position is $92,000 - $35,000. This is not, however, a guarantee of compensation or salary. There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, education and certifications as well as contract provisions regarding labor categories that are specific to the position and could fall outside of this range.

Application Deadline: 7/19/2025

Joining the Alpha Omega team entitles you to participate in all retirement benefits, plans of deferred compensation, health and insurance benefits, and other such benefits as set forth in the company's policy and benefits manuals. See below, to name a few:

• PTO including paid parental, military, and bereavement leave
• Eleven (11) paid Federal holidays, five of which are floating holidays (as designated by the company's holiday schedule each year)
• Health and Dental Insurance (including 100% employer paid premiums for employee coverage under the HDHP health plan)
• Life Insurance, STD/LTD term disability coverage, with employer paid premiums
• 401 (k) plan with a match that is 100% vested after you complete two years of service
• FSA/DFSA/HSA flexible benefit plans
• Annual Tuition & Professional Development Reimbursement benefit

We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Culture and Values:

Guided by our core values-Harmony, Engagement, Accountability, Resourcefulness, and Tenacity (HEART)- we foster a culture of innovation, collaboration, and continuous learning and are committed to delivering high-impact solutions. We recognize and reward hard work.

Through our H.E.A.R.T. Awards Program, colleagues and managers can recognize each other for actions that exemplify these values. Recognized employees receive a detailed nomination highlighting their contributions, which is shared with their manager. Each quarter, select nominees have the opportunity to receive a monetary bonus as an extra thank-you for their impact.

Our Company:

Alpha Omega is an award-winning Federal IT solutions provider dedicated to delivering mission-enabling technology and strategic solutions across the National Security, Federal Financial, Healthcare, and Space & Science domains. Since our founding in 2016, we have grown to over 800 employees nationwide with 230m in revenue. With the January 2025 acquisitions of SeKON and Macro Solutions, we have expanded our capabilities to further support our customers in digital modernization, artificial intelligence, and cybersecurity.

We are committed to supporting our agency partners as they transform their operations, delivering on our purpose to ensure the safety, security, and well-being of future generations:

• National Security - Supporting agencies such as the Department of Homeland Security (DHS) and the Department of State.
• Federal Financial - We bring deep expertise in enterprise financial systems, supporting agencies like the Securities and Exchange Commission (SEC) and the Federal Deposit Insurance Corporation (FDIC).
• Healthcare - Our Health IT capabilities, enhance health outcomes for the warfighter via the Defense Health Agency (DHA) and support public health initiatives at the Centers for Disease Control and Prevention (CDC), National Institutes of Health (NIH), and the Substance Abuse and Mental Health Services Administration (SAMHSA).
• Space & Science - We leverage technology to advance agricultural sustainability, secure our nation's food supply, and prepare for natural disasters, working with the National Oceanic and Atmospheric Administration (NOAA) and the United States Department of Agriculture (USDA).

Through strategic partnerships, intellectual property, and relentless drive for innovation, Alpha Omega is shaping the future of government technology. We are proud to be a Virginia Best Places to Work 8 times, an Inc. 5000 honoree 7 times, and a Washington Post Top Workplaces 4 times. Join us in driving transformation that secures the nation's future.

Alpha Omega Integration, LLC (Alpha Omega) is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.

Cybersecurity and Network Security Engineer Join to apply for the Cybersecurity and Network Security Engineer role at Alpha Omega Cybersecurity and Network Security Engineer Join to apply for the Cybersecurity and Network Security Engineer role at Alpha Omega Description Job Details Description Job Title: Cybersecurity and Network Security Engineer Clearance Required: Public Trust Clearance Work Location: Hybrid in Rockville, MD Alpha Omega is seeking a qualified Cybersecurity and Network Security Engineer with in-depth experience in perimeter security solutions supporting National Institutes of Health (NIH) specifically the Office of Research Services/Office of Research Facilities (ORS/ORF). The ICS/OT/IoT Cybersecurity and Network Security Engineer will support the National Institutes of Health (NIH) in assessing, improving, and maintaining the cybersecurity posture of ICS (Industrial Control Systems), OT (Operational Technology), and IoT (Internet of Things) environments. The engineer will lead security audits, perform risk and vulnerability assessments, and develop remediation roadmaps tailored to the NIH's unique operational landscape. This position requires a balance of strategic planning and hands-on technical execution to ensure protection against internal and external cyber threats, both intentional and accidental. Key Responsibilities Conduct inventory and security risk assessments of hardware and software assets, identifying vulnerabilities and areas of obsolescence. Review and validate network architecture designs, ensuring adherence to industry best practices such as the “zones and conduits” model and proper use of Industrial DMZs. Evaluate and configure security appliances (e.g., firewalls, IDS, IPS) to ensure optimal security posture. Design and deploy network infrastructure including switches, routers, firewalls, and virtualization solutions. Analyze system logs, security events, and packet captures to detect threats, and recommend mitigation strategies. Perform cyber vulnerability assessments within manufacturing and critical infrastructure environments, including identifying unauthorized access, remote connection risks, and unsecure endpoints. Review government cybersecurity frameworks, policies, and plans to ensure compliance and applicability. Develop detailed security documentation including network diagrams, implementation plans, mitigation strategies, SAT procedures, and logical architecture plans. Travel to NIH sites as required to support on-site assessments and implementations. Education Required Qualifications: Bachelor's degree in Engineering (Electrical, Mechanical, Chemical, or related), Computer Science, or a related technical discipline. Experience/Skills Minimum of 5 years of hands-on experience designing, assessing, and implementing ICS/OT network architectures. Proficiency in OT communication protocols (e.g., Ethernet/IP, CIP, Modbus, OPC). Knowledge of industrial network topologies (e.g., ring, star). Familiarity with cybersecurity frameworks for ICS/OT such as ISA-99/IEC 62443, NIST SP 800-82, CIS, Purdue Model. Demonstrated ability to design and deploy Ethernet/IP communication systems. Experience with Nozomi Cyber-Physical System (CPS). Preferred Qualifications Certified SCADA Security Architect (CSSA). GIAC certifications such as GICSP, GRID, or CIP. ISA/IEC 62443 Cybersecurity certification. Networking certifications (e.g., CCNA, CCNP, JNCIP-ENT). Cybersecurity certifications (e.g., CEH, CISA, CISM, CCSP). Familiarity with MITRE ATT&CK for ICS and NERC CIP compliance frameworks. Knowledge of general cybersecurity frameworks (ISO/IEC 27001/27002, ISO 15408, NIST CSF, NIST SP800-53). Practical understanding of DCS, PLCs, SCADA, and related ICS systems. Experience in performing vulnerability assessments, penetration testing, and threat hunting within ICS/OT environments. Prior experience as a Control Systems or SCADA Engineer in manufacturing or power generation. Certified Professional Engineer (PE) is a plus. Certification(s) CompTIA CCNA and CISSP certifications. Salary And Benefit Information The likely salary range for this position is $92,000 - $35,000. This is not, however, a guarantee of compensation or salary. There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, education and certifications as well as contract provisions regarding labor categories that are specific to the position and could fall outside of this range. Application Deadline: 7/19/2025 Benefits Joining the Alpha Omega team entitles you to participate in all retirement benefits, plans of deferred compensation, health and insurance benefits, and other such benefits as set forth in the company’s policy and benefits manuals. See below, to name a few: PTO including paid parental, military, and bereavement leave Eleven (11) paid Federal holidays, five of which are floating holidays (as designated by the company’s holiday schedule each year) Health and Dental Insurance (including 100% employer paid premiums for employee coverage under the HDHP health plan) Life Insurance, STD/LTD term disability coverage, with employer paid premiums 401 (k) plan with a match that is 100% vested after you complete two years of service FSA/DFSA/HSA flexible benefit plans Annual Tuition & Professional Development Reimbursement benefit We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. Culture And Values Guided by our core values—Harmony, Engagement, Accountability, Resourcefulness, and Tenacity (HEART)— we foster a culture of innovation, collaboration, and continuous learning and are committed to delivering high-impact solutions. We recognize and reward hard work. Through our H.E.A.R.T. Awards Program, colleagues and managers can recognize each other for actions that exemplify these values. Recognized employees receive a detailed nomination highlighting their contributions, which is shared with their manager. Each quarter, select nominees have the opportunity to receive a monetary bonus as an extra thank-you for their impact. Our Company Alpha Omega is an award-winning Federal IT solutions provider dedicated to delivering mission-enabling technology and strategic solutions across the National Security, Federal Financial, Healthcare, and Space & Science domains. Since our founding in 2016, we have grown to over 800 employees nationwide with $230m in revenue. With the January 2025 acquisitions of SeKON and Macro Solutions, we have expanded our capabilities to further support our customers in digital modernization, artificial intelligence, and cybersecurity. We Are Committed To Supporting Our Agency Partners As They Transform Their Operations, Delivering On Our Purpose To Ensure The Safety, Security, And Well-being Of Future Generations National Security – Supporting agencies such as the Department of Homeland Security (DHS) and the Department of State. Federal Financial – We bring deep expertise in enterprise financial systems, supporting agencies like the Securities and Exchange Commission (SEC) and the Federal Deposit Insurance Corporation (FDIC). Healthcare – Our Health IT capabilities, enhance health outcomes for the warfighter via the Defense Health Agency (DHA) and support public health initiatives at the Centers for Disease Control and Prevention (CDC), National Institutes of Health (NIH), and the Substance Abuse and Mental Health Services Administration (SAMHSA). Space & Science – We leverage technology to advance agricultural sustainability, secure our nation’s food supply, and prepare for natural disasters, working with the National Oceanic and Atmospheric Administration (NOAA) and the United States Department of Agriculture (USDA). Through strategic partnerships, intellectual property, and relentless drive for innovation, Alpha Omega is shaping the future of government technology. We are proud to be a Virginia Best Places to Work 8 times, an Inc. 5000 honoree 7 times, and a Washington Post Top Workplaces 4 times. Join us in driving transformation that secures the nation's future. Alpha Omega Integration, LLC (Alpha Omega) is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology Industries Software Development Referrals increase your chances of interviewing at Alpha Omega by 2x Get notified about new Cyber Security Engineer jobs in Vienna, VA . 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Cybersecurity and Network Security Engineer Cybersecurity and Network Security Engineer Astor & Sanders Corporation (Astor) is a prestigious IT solutions provider headquartered in McLean, VA, currently seeking a talented Cybersecurity and Network Security Engineer . This position is full-time and based in Bethesda, MD. Key Responsibilities Support in assessing, improving, and maintaining the cybersecurity posture of NIH ICS/OT/IoT environments to mitigate cyber security risks (e.g., insider and external threats, intentional and accidental). Audit of ICS/OT environments and perform risk/vulnerability assessments. Develop NIH-specific cybersecurity roadmaps prioritizing the remediation of cyber threats based on likelihood and impact. Create mitigation plans for vulnerabilities and support remediation efforts. Assist in reviewing and developing Industrial Cybersecurity programs, security policies, and industry best practices to enhance NIH's OT cybersecurity program. Inventory client's hardware & software assets, assess for vulnerabilities, obsolescence, and risks. Review network architectures for best practices (e.g., network segmentation, use of Industrial DMZ) and provide compliance recommendations. Review security products (firewalls, IDS, IPS) for proper configuration. Deploy network infrastructure devices, security appliances, and virtualization solutions. Review US government cybersecurity policies, analyze logs and security events, and recommend improvements. Review controls and provide recommendations to mitigate cybersecurity risks. Perform vulnerability and risk assessments in manufacturing and critical infrastructure environments, providing remediation recommendations. Create detailed diagrams, procedures, and plans to support projects. Additional duties as assigned. Requirements Certified Information Systems Security Professional (CISSP). Degree in Engineering (Electrical, Mechanical, Chemical, or similar), Computer Science, or related field. Strong understanding of cybersecurity frameworks for ICS/OT environments (e.g., ISA-99/IEC 62443, NIST SP 800-82, CIS). Knowledge of OT network communication protocols (Ethernet/IP, CIP, Modbus, OPC) and industrial networking topologies. Minimum of five (5) years of hands-on experience in ICS/OT network architecture assessment, design, and implementation. Experience with Cyber-Physical Systems (CPS). Benefits Astor & Sanders Corporation offers a stimulating environment that fosters growth and rewards performance. We are an Equal Opportunity Employer. Our benefits include: Generous Paid Time Off (PTO) and all Federal Holidays. Comprehensive Health and Dental Insurance Coverage. Retirement Savings Plan. Pre-Tax Benefit Program. Wellness and Work-Life Support. Professional Development Opportunities. Performance and Referral Bonuses. Life and Disability Insurance. Additional Information Seniority level: Mid-Senior level Employment type: Full-time Job function: Information Technology Industries: Technology, Information, and Internet #J-18808-Ljbffr

Position Details: Job Title: Cybersecurity and Network Security Engineer Job Type: Full-time Location: Hybrid Bethesda, MD On-site two days a week Revised: 7/10/2025 Dynanet Corporation Overview: Dynanet started with a focus on IT infrastructure an Security Engineer, Security, Network Security, Cybersecurity, Engineer, Network Architect

ManTech seeks a motivated, career and customer-oriented Security Engineer to join our team in Herndon, VA. 

The Security Engineer will design, implement, and maintain secure environments that align with compliance standards in support of a high priority mission at one of our National Intelligence Customers.  This role requires an individual with a strong technical foundation in cybersecurity, a deep understanding of federal security frameworks, and a proactive approach to protecting mission-critical systems.

Responsibilities include but are not limited to:

• Implement and maintain cybersecurity solutions across classified and unclassified environments.

• Perform risk assessments, vulnerability scans, and system hardening in compliance with NIST 800-53 and RMF.

• Support the preparation and submission of security documentation for Authority to Develop (ATD) and Authority to Operate (ATO) under IC guidelines.

• Collaborate with system owners, ISSOs, ISSEs, ISSMs, engineers, and auditors during security assessments and continuous monitoring.

• Monitor and respond to security incidents, performing root cause analysis and remediation.

• Integrate security controls into DevSecOps pipelines and cloud architectures (AWS, Azure, GCP or Oracle).

• Support development and implementation of security policies, plans, and SOPs.

• Stay current on evolving federal cybersecurity directives, threats, and compliance requirements

Minimum Qualifications:

• Bachelor's degree in Cybersecurity, Computer Science, Information Systems, or a related field or Hgh School Diploma with an additional 4+ years of experience in a related fireld.

• 7+ years of experience in cybersecurity or related IT security roles.

• Experience with NIST Risk Management Framework (RMF), FedRAMP, or DoD Cybersecurity Maturity Model Certification (CMMC).

• Hands-on experience working in air-gapped cloud environments.

• Knowledge of system/network security principles and incident response practices.

• Experience supporting the Intelligence Community.

Preferred Qualifications:

• DoD 8570.01-M IAT Level II or III certification (e.g., Security+, CISSP, CEH, CISM).

• Knowledge of STIGs, SCAP tools, and secure system baselining.

• Hands-on experience with security tools (e.g., ACAS, Splunk, Tenable, Palo Alto, CrowdStrike, or similar).

• Scripting or automation experience (Python, Bash, PowerShell) to support security operations.

Clearance Requirements:

• Must hold an active TS/SCI with Polygraph

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time.

• Needs to occasionally move about inside the office to access file cabinets, office
  machinery, etc.

• Frequently communicates with co-workers, management, and customers, which may
  involve delivering presentations. Must be able to exchange accurate information in
  these situations.

• 7+ years of direct, technical experience related to network, platform, or infrastructure security
• 2+ years crafting, deploying, and operating web application firewall controls (WAF)
• Operational experience supporting DDoS detection, WAF, and IPS in a production environment
• Expertise with Terraform, GoLang or Python, Kubernetes operators and familiarity with using these and/or other tools to deliver consistent, scalable security solutions

• Experience deploying infrastructure components, and application and network security systems in AWS and GCP
• Proven understanding of public cloud network security concepts and hands-on experience documenting and implementing security controls of the same
• Understanding of application, system, and security threats, attack techniques and mitigating controls in public cloud and containerized environments
• Demonstrated experience designing, implementing, and maintaining network security controls within the context of audited compliance frameworks - such as FedRAMP and DoD IL4

Position Description

Serco has a high profile and challenging technical position supporting acquisition of U.S. Navy warfare systems. This great opportunity will allow you to take an important role in supporting U.S. Navy system development for our ships and sailors. Join an integrated government-industry team based in the National Landing (Crystal City) part of Arlington, VA to provide technical expertise in the management of cybersecurity requirements of developmental and in-service missile systems. Use your technical, managerial, and collaborative skills to positively impact our national defense and make a difference in support of the world's greatest Navy.

Serco is seeking an energetic self-starter to be part of a team supporting the customer's Surface Ship Weapons acquisition program office. Our team supports the design, production, test, and fielding of the U.S. Navy's most complex surface ship missile systems. Reporting to the development team lead and in collaboration with the system manufacturer and the program office cybersecurity team, you will support efforts to ensure the cybersecurity requirements of these critical systems are met and the systems are certified for use.

This position is contingent upon client approval and your ability to maintain/transfer your Secret clearance.

In this role, you will:

• Draft, review, and analyze technical documentation to ensure network architecture and information system solutions adhere to DOD, DON, and NAVSEA Cybersecurity policies (e.g., RMF, CYBERSAFE). Recommend changes to bridge gaps or adjust to evolving Cybersecurity policy and standards.

• Monitor, evaluate, and maintain systems and procedures to safeguard internal information systems, networks, and databases.

• Support the system/application assessment and authorization (A&A) effort, to include drafting system artifacts mandated by governing DoD and DON accreditation policies.

• Conduct risk and vulnerability assessments of planned and installed information systems to identify vulnerabilities, risks, and protection gaps.

• Support the organization and coordination of missile system Cybersecurity Accreditation under guidance of the missile development team lead. This includes coordinating with the program office cybersecurity lead, PEO IWS cybersecurity director, OEM, and other external stakeholders to accredit and maintain the accreditation of assigned systems.

• Draft and Manage documentation for risk mitigation, system accreditation, and risk tracking using industry approved software and tools (SCAP, Nessus, etc).

• Advise team on challenging technical issues, coordinate the use of technical resources across the organization on multi-disciplinary problems, and provide technical guidance and leadership to less-experienced technical staff. Works within a peer group of senior technical staff to periodically review technical plans, results, and work products.

• Prepares formal briefings to the U.S. Government staff and project sponsors. Participates in technical discussions at program review sessions in accordance with direct tasking.

• Performs additional duties and responsibilities as assigned.

Qualifications

To be successful in this position you will have:

• Bachelor's degree in Information Technology, Computer Science, Cybersecurity or similar. In some cases, educational requirements may be adjusted or waived for more than 9 years of applicable work experience. Work experience may be adjusted based on education, or highly specialized knowledge or uniquely applicable experience.

• 5-7 years' experience in computer networking and/or cybersecurity accreditation through the Risk Management Framework (RMF) process.

• Preferred candidate is U.S. Navy veteran with experience aboard a U.S. Navy warship.

• Secret Security Clearance required at time of hire with eligibility for Top Secret

• At least one professional certification (e.g. Security+, etc.) required. An advanced professional certification (e.g. CISM, CISSP, etc.) is preferred. Must meet the requirements for the DoD's Cybersecurity Workforce for Information Systems Security Manager (ISSM) at the intermediate level. Degree requirements may be waived or adjusted for candidates with certifications required at the ISSM advanced level.

• Candidates with high level of direct and relevant professional experience and/or military service may be selected and will be required to attain requisite professional certification within 12 months following employment.

• The ability to travel 10-20% of the time.

Additional desired experience and skills:

• Navy Qualified Validator (NQV) certification and registration preferred.

This Arlington, VA position requires access to government networks and systems.

If you are interested in working in a highly diverse, engaging and challenging environment - then submit your application now for immediate consideration. It only takes a few minutes and could change your career!

Meet your Recruiter!

In compliance with the District of Columbia's Equal Pay for Equal Work Act, the salary range for this role is 97,787.27 to 162,978.79; however, Serco considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate's work experience, education/training, and key skills.

Company Overview

Serco Inc. (Serco) is the Americas division of Serco Group, plc. In North America, Serco's 9,000+ employees strive to make an impact every day across 100+ sites in the areas of Defense, Citizen Services, and Transportation. We help our clients deliver vital services more efficiently while increasing the satisfaction of their end customers. Serco serves every branch of the U.S. military, numerous U.S. Federal civilian agencies, the Intelligence Community, the Canadian government, state, provincial and local governments, and commercial clients. While your place may look a little different depending on your role, we know you will find yours here. Wherever you work and whatever you do, we invite you to discover your place in our world. Serco is a place you can count on and where you can make an impact because every contribution matters.

To review Serco benefits please visit: . If you require an accommodation with the application process please email: or call the HR Service Desk at , option 1. Please note, due to EEOC/OFCCP compliance, Serco is unable to accept resumes by email.

Candidates may be asked to present proof of identify during the selection process. If requested, this will require presentation of a government-issued I.D. (with photo) with name and address that match the information entered on the application. Serco will not take possession of or retain/store the information provided as proof of identity. For more information on how Serco uses your information, please see ourApplicant Privacy Policy and Notice ( .

Serco does not accept unsolicited resumes through or from search firms or staffing agencies without being a contracted approved vendor. All unsolicited resumes will be considered the property of Serco and will not be obligated to pay a placement or contract fee. If you are interested in becoming an approved vendor at Serco, please email .

Serco is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics.

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ID 70264

Recruiting Location : Location US-VA-Arlington

Category Information Security/Cyber

Position Type Full-Time

Security Clearance Secret

Telework Yes - May Consider Occasional/Part Time Teleworking for this position

Campaign LPMETS

About the job Cybersecurity Engineer
Top Secret Clearance Jobs is dedicated to helping those with the most exclusive security clearance find their next career opportunity and get interviews within 48 hours.

We are seeking a highly skilled and experienced Cybersecurity Engineer to join our Information Federal Government Security team! As a Cybersecurity Engineer, you will be responsible for implementing and maintaining the security infrastructure of a major Federal Government project in our organization. You will work closely with other IT professionals and business leaders to ensure that our systems are secure, compliant with industry standards, and capable of protecting sensitive data against emerging threats. The ideal candidate will have a deep understanding of cybersecurity principles, and cybersecurity requirements in the Federal Government, a strong technical background, and the ability to communicate complex security concepts to non-technical stakeholders.

Qualifications

• Bachelor's or Master's degree in Computer Science, Information Security, Cybersecurity, or a related field
• Minimum of 8 years of experience in a cybersecurity role
• Minimum of 4 years of experience leading Security Operations, SOC leadership, and/or IT compliance
• Industry related IT certification
• Expertise in designing and implementing secure, highly available, fault-tolerant cloud architectures
• In-depth knowledge of security frameworks and standards such as ISO 27001, NIST, CIS, and others
• Proven experience in designing and implementing security solutions, including firewalls, intrusion detection/prevention systems, encryption, and identity management
• Strong understanding of cloud security, including experience with Microsoft Azure, Microsoft Defender, and Microsoft Intune
• Experience with risk management and the ability to perform security assessments and vulnerability testing
• Experience in network security principles, such as including VPNs, IPSec, TLS/SSL, and wireless security
• Experience with enterprise security solutions such as WAF, IPS, DDOS, and SIEM
• Proficiency in managing alerts and insights from security solutions like SIEM, SOAR, CSPM, EDR & AppSec toolsets
• Familiarity with security toolsets like Splunk ES, Trend Micro, Prisma, Sonarqube, Tenable, and cloud-native security services
• Ability to conduct comprehensive security assessments and manage the vulnerability lifecycle
• Familiarity with regulatory requirements such as FedRAMP and from the OMB
• Excellent communication skills, with the ability to articulate security-related concepts to both technical and non-technical audiences
• Ability to obtain and maintain a U.S. Government Agency Security clearance (US citizenship required)

• CISSP, CISM, Cloud architecture certification (Azure Preferred), or other relevant certifications
• Knowledge of Zero Trust Architecture and experience in implementing Zero Trust principles
• Experience in incident response and management, including coordination with external stakeholders
• Proficiency in scripting and automation (e.g., Python, PowerShell) to enhance security operations

• Medical, Dental, Vision, Life, AD&D, and Disability Insurance
• 401(k) Retirement Plan and 529 Education Savings Plan
• Flexible Spending & Health Savings Account
• Accident, Critical Illness, Hospital Indemnity Insurances
• Legal Insurance and Pet Insurance
• Employee Assistance Program, fitness and wellness benefits, and other firm benefits.
• Paid holidays, vacation, and sick time

Description

SAIC is seeking a Cybersecurity Engineer to support a mission-critical U.S. government agency in the National Capital Region. This hybrid position involves managing and modernizing enterprise cybersecurity platforms, with a strong focus on Zscaler technologies (ZIA, ZPA, ZDX) and broader Secure Access Service Edge (SASE) implementations within a Microsoft-based environment.

The ideal candidate has hands-on experience with security tools across cloud, endpoint, network, and identity domains. This role supports operations, troubleshooting, and integration efforts for tools such as EDR, DLP, email security, firewalls, secure web gateways, and SIEM, while contributing to process automation, Zero Trust initiatives, and cross-team collaboration.

Key Responsibilities:

• Deploy, configure, and manage a wide range of security technologies, including Zscaler services (ZIA, ZPA, ZDX), EDR, DLP, secure web gateway, email security, IDPS, firewall, SIEM, and identity protection tools; responsibilities include policy configuration, SAML integrations, monitoring, and user onboarding for Zscaler platforms

• Integrate security tools with Microsoft platforms such as Azure AD, Conditional Access, Intune, and Microsoft Defender

• Write and maintain technical documentation (SOPs, change records) and automate routine tasks using scripting (PowerShell, Python, Bash)

• Respond to ServiceNow tickets, conduct health checks, and support upgrades or migrations

• Collaborate with engineering, operations, and compliance teams to enhance security posture

Qualifications

Basic Qualifications:

• Bachelor's degree in Cybersecurity, IT, or related field (or 8+ years of equivalent experience)

• Minimum 5 years of cybersecurity experience supporting a broad range of tools across cloud, endpoint, identity, and network security domains

• 2+ years of hands-on experience administering Zscaler services (ZIA, ZPA, ZDX), including policy management, SAML integration, and performance monitoring

• Practical experience with tools and platforms such as EDR, DLP, secure web gateway, email security, IDPS, firewalls, SIEM, and identity protection solutions

• Proficiency in Windows and/or Linux system administration, scripting (e.g., PowerShell, Python, Bash), and integrating cloud-native security technologies

• Strong analytical, troubleshooting, and communication skills

Preferred Qualifications:

• Experience in federal or regulated environments

• Familiarity with DNS-layer protection, threat analytics platforms, and Zero Trust architecture

• Exposure to tools such as CrowdStrike, Office 365, Microsoft Defender, and Intune

• Relevant certifications such as Zscaler Certified Administrator, Security+, CySA+, GSEC, Microsoft SC-300, CCNP Security, PCNSE, or Splunk Certified Architect

Clearance Requirement:

• Must be eligible to obtain a U.S. Public Trust Clearance

This hybrid role requires a minimum of three on-site days per week in Washington, DC

Target salary range: $80,001 - $20,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

REQNUMBER: 2505484

SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately 6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability