655 Network Administration jobs in Reston

DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, efcient, and cost-effective solutions that drive measurable results. Learn more at

DMI, LLC is seeking a Network Security Engineer to join us.

Duties and Responsibilities:

The Network Security Engineer role requires extensive Palo Alto Panorama, Firewalls, and Global Protect experience, along with extensive networking experience. Palo Alto Prisma Access and Zero Trust Network Access knowledge and experience are highly desired. A Network Security Engineer is responsible for providing architectural, technical, and problem resolution support for a Federal Agency network and security infrastructure that promotes a secure and scalable environment that aligns with the security requirements of our customer.

A Network Security Engineer also focuses on both the short-term and the long-term strategy, recommends technology solutions and improvements to the network and security-related environments and is also responsible for delivering clear, concise, timely communications that promote confidence in our team's ability to deliver operational excellence. They also perform Tier III "Build and Run" activities across multiple network and security environments, and review and recommend configuration changes, as needed.

The day-to-day responsibilities include the design, implementation, operations, troubleshooting, and resolution activities across multiple domains. They may be required to participate in system upgrades, deployments, and enhancements while focusing on delivery objectives, critical issues, and policy adherence. All Network Security Team members periodically work after hours to support system outages and critical infrastructure upgrades. This position may also require an on-site presence one or more days per week.

Education:

BS Degree in Computer Science or Engineering, or equivalent work experience (required)

Experience:

• 10+ years of relevant technical Network/Security Engineering experience (required)
• Certifications: Desire three or more of the following: CCNP, CCDP, CCSP, CISSP, OSCP, PCNSE, PCNSA, ITIL

Required Skills:

• Extensive experience with Palo Alto Firewalls (ex: 3200 and 5200/5400/5600 series)
• Extensive experience with Palo Alto Panorama 9.x and above
• Extensive experience with Palo Alto Global Protect
• Extensive experience with Palo Alto Firewall Threat Protection, URL filtering, and other similar security features
• Extensive experience with decryption/TLS/Security Profiles/PKI and deep understanding of PCAPS
• Extensive experience with application-based traffic and designing solutions for Firewalling (Internal/Perimeter/External)
• Experience with Palo Alto Prisma Access-based Infrastructure, supporting multiple Data Centers and numerous offices

Desired Skills and Abilities:

• Vendor hardware and software support, such as Cisco, Juniper, Palo Alto, and others
• Data Center, WAN, LAN, WLAN, Firewall, and Load Balancer systems and support
• Analysis and forensic tools, along with effective troubleshooting of ingress/egress and zoned traffic
• Azure Infrastructure and understanding Azure VNETs, Routing, and Firewalling
• Microsoft Entra ID and SAML authentication
• Laptop setup and configurations
• Implementing ZTNA with an understanding of all integration points of the ZT pillars, such as endpoint, identity, and workloads
• Developing ZT security policies that incorporate telemetry from identity systems, endpoints, and external management systems
• Whitelisting IP space for various project teams to access external vendors and to ensure safe and secure connectivity
• Creating Zones and Policies for various network segments and troubleshooting connectivity across Security Zones
• Work with internal applications teams, design, and implement an appropriate ZTNA program with PA Prisma Access
• Develop documents that describe design, security controls, and operational manuals
• Develop and participate in internal and external testing of applicable applications to ensure that sufficient security is in place
• Effective time management and organizational skills, and ability to translate technical issues for business users
• Work independently as well as in a team environment with effective interpersonal communication skills
• Analytical, communication, and problem-solving skills
• Support InfoSec Standards and Best Practices
• Thrives in a fast-paced environment and looks for ways to do things more effectively (Current Mode/Future Mode)

Additional Requirements: Successful completion of a Public Trust background investigation and/or a Public Trust clearance.

Min Citizenship Status Required: Must be a U.S. Citizen

Physical Requirements: No physical requirements are needed for this position.

Location: Arlington, VA / Dallas, TX

DMI is a diverse, prosperous, and rewarding place to work. Our culture is shaped by five core values that guide how we work, grow, and succeed together:

• Do What's Right - We lead with honesty and integrity.
• Own the Outcome - We take responsibility and deliver.
• Deliver for Our Customers - We are relentless about delivering value.
• Think Bold, Act Smart - We innovate with purpose.
• Win Together - We collaborate and celebrate our success.

These values aren't just ideals-they show up in how we support every part of your well-being:

• Convenience/Concierge - Virtual health visits, commuter perks, pet insurance, and entertainment discounts that make life easier.
• Development - Annual performance reviews, tuition assistance, and internal career growth opportunities to help you thrive.
• Financial - Generous 401(k) matches, life and disability insurance, and financial wellness tools to support your future.
• Recognition - Annual awards, service anniversaries, referral bonuses, and peer-to-peer shoutouts that spotlight your achievements.
• Wellness - Healthcare coverage, wellness programs, flu shots, and biometric screenings to support your health.

DMI values employees for their talents and contributions, and we take pride in helping our customers achieve their goals. Because when we live our values, we all win together.

*** No Agencies Please ***

Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information. US citizenship may be required for some positions.

DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, efficient, and cost-effective solutions that drive measurable results. Learn more at

 DMI, LLC is seeking a Network Security Engineer to join us. 

Duties and Responsibilities:

The Network Security Engineer role requires extensive Palo Alto Panorama, Firewalls, and Global Protect experience, along with extensive networking experience. Palo Alto Prisma Access and Zero Trust Network Access knowledge and experience are highly desired. A Network Security Engineer is responsible for providing architectural, technical, and problem resolution support for a Federal Agency network and security infrastructure that promotes a secure and scalable environment that aligns with the security requirements of our customer. 

A Network Security Engineer also focuses on both the short-term and the long-term strategy, recommends technology solutions and improvements to the network and security-related environments and is also responsible for delivering clear, concise, timely communications that promote confidence in our team’s ability to deliver operational excellence. They also perform Tier III “Build and Run” activities across multiple network and security environments, and review and recommend configuration changes, as needed.

The day-to-day responsibilities include the design, implementation, operations, troubleshooting, and resolution activities across multiple domains. They may be required to participate in system upgrades, deployments, and enhancements while focusing on delivery objectives, critical issues, and policy adherence. All Network Security Team members periodically work after hours to support system outages and critical infrastructure upgrades. This position may also require an on-site presence one or more days per week.

Education:   

• BS Degree in Computer Science or Engineering, or equivalent work experience (required)

Experience:   

• 10+ years of relevant technical Network/Security Engineering experience (required)
• Certifications: Desire three or more of the following: CCNP, CCDP, CCSP, CISSP, OSCP, PCNSE, PCNSA, ITIL

Required Skills:

• Extensive experience with Palo Alto Firewalls (ex: 3200 and 5200/5400/5600 series)
• Extensive experience with Palo Alto Panorama 9.x and above
• Extensive experience with Palo Alto Global Protect
• Extensive experience with Palo Alto Firewall Threat Protection, URL filtering, and other similar security features
• Extensive experience with decryption/TLS/Security Profiles/PKI and deep understanding of PCAPS
• Extensive experience with application-based traffic and designing solutions for Firewalling (Internal/Perimeter/External)
• Experience with Palo Alto Prisma Access-based Infrastructure, supporting multiple Data Centers and numerous offices

Desired Skills and Abilities:   

• Vendor hardware and software support, such as Cisco, Juniper, Palo Alto, and others
• Data Center, WAN, LAN, WLAN, Firewall, and Load Balancer systems and support
• Analysis and forensic tools, along with effective troubleshooting of ingress/egress and zoned traffic
• Azure Infrastructure and understanding Azure VNETs, Routing, and Firewalling
• Microsoft Entra ID and SAML authentication
• Laptop setup and configurations
• Implementing ZTNA with an understanding of all integration points of the ZT pillars, such as endpoint, identity, and workloads
• Developing ZT security policies that incorporate telemetry from identity systems, endpoints, and external management systems
• Whitelisting IP space for various project teams to access external vendors and to ensure safe and secure connectivity
• Creating Zones and Policies for various network segments and troubleshooting connectivity across Security Zones
• Work with internal applications teams, design, and implement an appropriate ZTNA program with PA Prisma Access
• Develop documents that describe design, security controls, and operational manuals
• Develop and participate in internal and external testing of applicable applications to ensure that sufficient security is in place
• Effective time management and organizational skills, and ability to translate technical issues for business users
• Work independently as well as in a team environment with effective interpersonal communication skills
• Analytical, communication, and problem-solving skills
• Support InfoSec Standards and Best Practices
• Thrives in a fast-paced environment and looks for ways to do things more effectively (Current Mode/Future Mode)

Additional Requirements: Successful completion of a Public Trust background investigation and/or a Public Trust clearance.

Min Citizenship Status Required: Must be a U.S. Citizen

Physical Requirements: No physical requirements are needed for this position.

Location: Arlington, VA / Dallas, TX

DMI is a diverse, prosperous, and rewarding place to work. Our culture is shaped by five core values that guide how we work, grow, and succeed together:

• Do What’s Right  – We lead with honesty and integrity.
• Own the Outcome  – We take responsibility and deliver.
• Deliver for Our Customers  – We are relentless about delivering value.
• Think Bold, Act Smart  – We innovate with purpose.
• Win Together – We collaborate and celebrate our success.

These values aren’t just ideals—they show up in how we support every part of your well-being:

• Convenience/Concierge  – Virtual health visits, commuter perks, pet insurance, and entertainment discounts that make life easier.
• Development  – Annual performance reviews, tuition assistance, and internal career growth opportunities to help you thrive.
• Financial  – Generous 401(k) matches, life and disability insurance, and financial wellness tools to support your future.
• Recognition  – Annual awards, service anniversaries, referral bonuses, and peer-to-peer shoutouts that spotlight your achievements.
• Wellness – Healthcare coverage, wellness programs, flu shots, and biometric screenings to support your health. 

DMI values employees for their talents and contributions, and we take pride in helping our customers achieve their goals. Because when we live our values, we all win together.

*** No Agencies Please ***

Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information. US citizenship may be required for some positions.

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations.

Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative and caring community, where you feel like you belong and are empowered to grow, learn and thrive through hands-on experience, certifications, industry training and more.

Join us to drive positive, lasting change that moves missions and the government forward!

Role Overview: ** **

The Network security Engineer will be responsible for implementing and overseeing security capabilities, processes, and functions related to Network Security. Reporting to the Security Engineering Manager, this role requires collaboration with developers, technical architects, operations, and other security team members to achieve program objectives.

Key Responsibilities:

• Evaluate and provide technical security architecture guidance in the assessment, design and implementation of Network Service in a primarily cloud environment.

• Collaborate with Network, cloud security, and infrastructure teams to embed security and best practices into applications and development process

• Maintain and enhance security solutions on Zscalar SASE, Akamai and various cloud native network security products

• Support troubleshooting efforts of network security tools & services as needed

• Contribute to maturing process, policy, and standards guidance such as TIC 3.0 in a rapidly changing field

• Conduct risk assessments and vulnerability analyses specific to network security

• Develop and maintain documentation related to security protocols, compliance measures, and incident response plans.

• Identify and solution for gaps related to system zero trust maturity including things such as conditional access, micro-segmentation, application-level inspection.

Qualifications:

• Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Cybersecurity, or a related field

• 5+ years of experience with network security

• 3+ years of experience with cloud environments such as: AWS, GCP, or Azure

• 2+ year of experience with Zscalar ZIA or ZPA (ZIA-internet security) (ZPA-VPN security)

• Experience working in a regulated environment and experience with common CSF such as NIST, CIS, CISA Zero Trust, etc.

• Experience working with different stakeholders

• Must be local and willing to go onsite 1 day per week in DC

Preferred Skills:

• Master’s or PhD degree in Computer Science, Computer Engineering, Electrical Engineering, Cybersecurity

• Familiarity with operating in an agile development environment Experience maintaining WAF products such as AWS WAF or similar

• Experience with Akamai CDN and Security Services Certifications such as CISSP, CCSP, or AWS Certified Security – Specialty, AWS Certified Advanced Networking - Specialty

As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, New York, Washington, Vermont, and the District of Columbia . The base pay range for this position in these locations is shown below. Compensation for roles at Accenture Federal Services varies depending on a wide array of factors, including but not limited to office location, role, skill set and level of experience. Accenture Federal Services offers a wide variety of benefits. You can find more information on benefits here. ( We accept applications on an on-going basis and there is no fixed deadline to apply.

The pay range for the states of California, Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, New York, Washington, Vermont, and the District of Columbia is:

$98,500—$184,900 USD

What We Believe

As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. We have an unwavering commitment to creating a culture in which all our people are respected, feel a sense of belonging, and have equal opportunity. As a business imperative, every person at Accenture Federal Services has the responsibility to create and sustain a culture where everyone feels welcomed and included. This is grounded in our core values and our experience that hiring and developing great people who reflect different perspectives, experiences, and backgrounds is key to driving innovation and delivering the results that our clients and the country count on.

Equal Employment Opportunity Statement

We believe that no one should be discriminated against because of their differences. All employment decisions shall be made without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law. Our rich diversity makes us more innovative, more competitive, and more creative, which helps us better serve our clients and our communities. For details, view a copy of the Accenture Federal Services Equal Opportunity Policy Statement. (

Accenture Federal Services is an Equal Employment Opportunity employer. Additionally, as an Affirmative Action Employer for Veterans and Individuals with Disabilities, Accenture Federal Services is committed to providing veteran employment opportunities to our service men and women.

Requesting An Accommodation

Accenture Federal Services is committed to providing equal employment opportunities for persons with disabilities or religious observances, including reasonable accommodation when needed. If you are hired by Accenture Federal Services and require accommodation to perform the essential functions of your role, you will be asked to participate in our reasonable accommodation process. Accommodations made to facilitate the recruiting process are not a guarantee of future or continued accommodations once hired.

If you _ _ are being considered for employment opportunities with Accenture Federal Services and need an accommodation for a disability or religious observance during the interview process or for the job you are interviewing for, please speak with your recruiter.

Other Employment Statements

Applicants for employment in the US must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States.

Candidates who are currently employed by a client of Accenture Federal Services or an affiliated Accenture business may not be eligible for consideration.

Job candidates will not be obligated to disclose sealed or expunged records of conviction or arrest as part of the hiring process.

The Company will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. Additionally, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the Company's legal duty to furnish information.

California requires additional notifications for applicants and employees. If you are a California resident, live in or plan to work from Los Angeles County upon being hired for this position, please click here ( for additional important information.

ManTech seeks a motivated, career and customer-oriented Network Security Engineer in South Burlington, VT or Camp Springs, MD .

Responsibilities include but are not limited to:

• Support the following technologies with expert knowledge: BGP, DMVPN, EIGRP, MPLS, VRF, QoS, PBR, VSS, HSRP, STP, Cisco Meraki stack, WAN Optimization technologies, and Cisco Nexus.

• Transport-layer engineers to validate a customized, metered approach to modernize and enhance functionalities such as IPv6, SIP, and H.323, as well as other industry best practices.

• Possess the knowledge and technical understanding to maintain and improve existing protocols such as QoS, Metro-Ethernet, and SONET technologies for CONUS and OCONUS locations. Experience with initiatives such as the Dynamic Multipoint VPN (DMVPN), Layer 2 Multiprotocol Label Switching (MPLS), cloud hosted Equinix sites.

• Work with vendors such as Cisco, Infoblox, and Palo Alto. Support high availability LAN/WAN planning. Automate advanced routing capabilities, WAN path control remediation solutions, and customized price-to-performance cost-savings data.

• Investigate the USCIS WAN and develop new solutions, specifically taking advantage of new technologies that embrace software defined networks, to include policy-based routing.

• Design and engineer IPv6 implementation and support strategy. Strategy shall include migration of all devices, sites, and applications. Design and Architect a new Private IP WAN solution.

• Establish an efficient and effective repeatable methodology for architecture and engineering solutions from concept to delivery of operations. Responsible for architecting, engineering, and maintaining cloud direct connects and third-party interconnects where needed. Provide recommendations for new products and technology for supporting all layers of the IT infrastructure architecture.

Minimum Qualifications:

• 5 + years of experience.

• Experience designing, engineering and designing solutions with a security mindset

• Experience with major cloud providers AWS, Google or Azure.

• Proven experience with managing and using Dev Ops concepts.

Preferred Qualifications:

• Bachelor's degree in computer science, or related field.

• One or more relevant industry certifications such as CCIE/CCNP.

• Familiar with tools including: ServiceNow, GitHub, Jira, Confluence.

• Experience with ITIL, DevSecOps and Agile concepts.

• Experience supporting Government contracts.

Clearance Requirements:

• Must be a U.S. Citizen and be able to obtain and maintain a DHS Suitability Clearance prior to starting this position.

Physical Requirements:

• Office work, typically sedentary with some movement around the office.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at and provide your name and contact information.

Network Security Engineer

Washington, District Of Columbia

Hybrid

Contract

$60/hr - $70/hr

A growing cyber security consulting firm is seeking a Network Security Engineer to join a highly collaborative cybersecurity team supporting enterprise-level infrastructure. This role is ideal for a seasoned network engineer with deep expertise in network security, threat mitigation, and incident response. You'll design and maintain secure network architectures, monitor for anomalies, and play a key role in strengthening the organization's overall security posture. This is a 6-month Contract-to-Hire role based in Washington, DC, requiring onsite work three days per week. Key Responsibilities:

• Design, implement, and maintain secure network architectures and controls aligned with cybersecurity best practices

• Analyze network traffic to detect anomalies, threats, and vulnerabilities

• Lead incident response for network-related security events and coordinate with SOC and security teams

• Provide technical leadership and act as a subject matter expert on network security across teams

• Mentor and support junior network engineers in secure networking concepts and practices

• Maintain documentation for network architecture, security procedures, and incident response activities

Required Qualifications:

• 5+ years of professional experience in network engineering with a strong cybersecurity focus

• Proficiency with network security protocols, firewalls, VPNs, IDS/IPS, and segmentation strategies

• Hands-on experience analyzing network traffic and developing mitigation strategies

• Strong collaboration skills and experience guiding SOC or security teams on network defense

• Excellent communication skills-written, verbal, and interpersonal

• Bachelor's degree in Cybersecurity, Information Technology, or related field

• Relevant certifications preferred: CCNP, CISSP, CEH, Security+, Network+ Must be eligible for Public Trust Clearance

#LI-PF1

You will receive the following benefits:

• Medical Insurance - Four medical plans to choose from for you and your family

• Dental & Orthodontia Benefits

• Vision Benefits

• Health Savings Account (HSA)

• Health and Dependent Care Flexible Spending Accounts

• Voluntary Life Insurance, Long-Term & Short-Term Disability Insurance

• Hospital Indemnity Insurance

• 401(k) including match with pre and post-tax options

• Paid Sick Time Leave

• Legal and Identity Protection Plans

• Pre-tax Commuter Benefit

• 529 College Saver Plan

Motion Recruitment Partners (MRP) is an Equal Opportunity Employer. All applicants must be currently authorized to work on a full-time basis in the country for which they are applying, and no sponsorship is currently available. Employment is subject to the successful completion of a pre-employment screening. Accommodation will be provided in all parts of the hiring process as required under MRP's Employment Accommodation policy. Applicants need to make their needs known in advance.

Posted by: Patrick Fuller

Specialization:

• Cybersecurity

• Network Security

• Network Engineering

Network Security Engineer

The Opportunity:

Are you looking for an opportunity to share your experience in managing Next Generation Firewalls, security appliances, and Cloud network security controls in support of government agencies. As a systems security and network security engineer, you can identify the tools, systems, and applications needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to design, implement, and optimize firewall rule sets following best practices as well as troubleshoot and resolve firewall, routing, and DNS- related issues.

On our team, you'll troubleshoot and analyze complex challenges for customers using your knowledge of Palo Alto Next Generation Firewalls and AWS infrastructure. You'll use your curiosity for technology and market trends to further research and develop security solutions. Using your knowledge and experience in Palo Alto and AWS and networking, you'll assess security threats and implement infrastructure controls.

In this role, you'll closely impact the security operations related to protecting investors from fraud and unfair business practices. With mentoring, challenging hands-on problem-solving, and opportunities to learn new tools and skills, we focus on growing as a team to make the best solutions for our customers.

Work with us as we secure and help the client for the better.

What You'll Work On:

• Develop relationships quickly and easily with other teams, communicating the complexities of security with a wide variety of audiences, including senior management.

• Implement infrastructure and cyber security controls, including enhanced detection and vulnerability capabilities and improved event correlation in large enterprises.

• Perform risk and vulnerability assessments in network, system, and application areas, and leverage big data analytics and traditional security event types to identify advanced threats or indicators of compromise.

Join us. The world can't wait.

You Have:

• 2+ years of experience in firewall engineering

• Experience with Palo Alto Networks firewalls and tools

• Experience with troubleshooting in networking and DNS

• Knowledge of cloud networking, including within AWS, such as security groups, transit gateways, and VPCs

• Ability to work independently and communicate effectively with technical and non-technical stakeholders

• Ability to obtain and maintain a Public Trust or Suitability/Fitness determination based on client requirements

• HS diploma or GED

Nice If You Have:

• Experience with Palo Alto SASE technologies

• Experience with FireEye or Trellix

• Experience with Micro sof t Defender

• Experience with Linux

• Experience with Cybersecurity forensics tools and methodologies

• Ability to apply NIST, federal, and DoD guidelines, policies , directives, and memos as they relate to network security

• Possession of excellent analytical and collaboration skills

• Bachelor's degree

• Computing Environment Certifications, including Palo Alto and AWS

Vetting:

Applicants selected will be subject to a government investigation and may need to meet eligibility requirements of the U.S. government client .

Compensation

At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $77,600.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date.

Identity Statement

As part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Work Model

Our people-first culture prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely.

• If this position is listed as remote or hybrid, you'll periodically work from a Booz Allen or client site facility.

• If this position is listed as onsite, you'll work with colleagues and clients in person, as needed for the specific role.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

This is a full-time position with Tecknomic and the project is with the Office of the Chief Financial Officer (OCFO). This is a hybrid role (onsite 3 days per week). Please note, in order to apply for this position, you must be able to provide proof of Covid-19 vaccination.

This role closes on 7/11/2025 .

Candidates must be local to the DMV area for this hybrid (3 days weekly onsite) role.

Senior Network Security Engineer II supports the ongoing design, implementation, operation and security of the OCFO network and the supporting security infrastructure.

Duties & Responsibilities:

a. Ability to monitor and analyze data traffic patterns within the OCFO network infrastructure;

b. Identify network problems and recommend improvements to ensure optimal performance;

c. Ability to improve network quality regarding any degradation;

d. Ability to enhance security and knowledge of the latest security threats, worms and malware and advise on how to deter them;

e. Ability to ensure reliability and stability of the work through the above actions;

f. Configure routers, switches, firewalls and other appliances in compliance with OCFO security standards

g. Monitor security measures in place within network perimeter, ensuring breaches do not occur and information is safeguarded from unauthorized access;

h. Proactively oversee the activities involved in quality resolution of complex technical issues, responding with an appropriate sense or urgency to problems escalated to Network Engineer's level;

i. Coordinate with appropriate personnel to determine positive solutions that increase end user satisfaction, following through to completion, and communicating resolution results; escalate to management any situation that could adversely impact the service provided to the end user;

j. Monitor trends in documented incidents and determine appropriate actions necessary to eliminate future occurrences and improve customer service levels in an appropriate timeframe;

k. Provide network design services

l. Coordinate with the Infrastructure Services Group staff to establish the scope, timing and technical approach to be used for proposed network changes;

m. Ensure adherence to network policies and procedures;

n. Manage production and disaster recovery networks and security

o. Ability to perform forensic and packet analysis;

p. Ability to configure and operate network security-focused monitoring and logging systems

Qualifications:

a. Experience building large scale, multi-site network architectures

b. Experience with secure remote access/WAN technologies (IPsec, VPN, etc.)

c. Knowledge of network-based and system-level attacks and mitigation methods

d. Experience with firewalls: Cisco Firepower (NGFW) or Cisco ASA Firewalls;

e. Experience with security routing protocols

Technical Skills:

Security: Cisco Firepower (Next generation firewall), Cisco ASA Firewalls, Cisco ISE 2.0 and above (Identity Services Engine), Cisco NGFW (Next Generation Firewall), Cisco AMP (Advanced Malware Protection), Cisco Firepower.

What we bring:
• Health, Dental and Vision Benefits
• Time off: Public Holidays, Vacation Days & Sick Days
• 401K

A growing cyber security consulting firm is seeking a Network Security Engineer to join a highly collaborative cybersecurity team supporting enterprise-level infrastructure. This role is ideal for a seasoned network engineer with deep expertise in network security, threat mitigation, and incident response. You'll design and maintain secure network architectures, monitor for anomalies, and play a key role in strengthening the organization's overall security posture. This is a 6-month Contract-to-Hire role based in Washington, DC, requiring onsite work three days per week. Key Responsibilities:

• Design, implement, and maintain secure network architectures and controls aligned with cybersecurity best practices
• Analyze network traffic to detect anomalies, threats, and vulnerabilities
• Lead incident response for network-related security events and coordinate with SOC and security teams
• Provide technical leadership and act as a subject matter expert on network security across teams
• Mentor and support junior network engineers in secure networking concepts and practices
• Maintain documentation for network architecture, security procedures, and incident response activities

• 5+ years of professional experience in network engineering with a strong cybersecurity focus
• Proficiency with network security protocols, firewalls, VPNs, IDS/IPS, and segmentation strategies
• Hands-on experience analyzing network traffic and developing mitigation strategies
• Strong collaboration skills and experience guiding SOC or security teams on network defense
• Excellent communication skills-written, verbal, and interpersonal
• Bachelor's degree in Cybersecurity, Information Technology, or related field
• Relevant certifications preferred: CCNP, CISSP, CEH, Security+, Network+
• Must be eligible for Public Trust Clearance

• Medical Insurance - Four medical plans to choose from for you and your family
• Dental & Orthodontia Benefits
• Vision Benefits
• Health Savings Account (HSA)
• Health and Dependent Care Flexible Spending Accounts
• Voluntary Life Insurance, Long-Term & Short-Term Disability Insurance
• Hospital Indemnity Insurance
• 401(k) including match with pre and post-tax options
• Paid Sick Time Leave
• Legal and Identity Protection Plans
• Pre-tax Commuter Benefit
• 529 College Saver Plan

• Cybersecurity
• Network Security
• Network Engineering