4,613 Senior Security Analyst jobs in the United States
Information Security Analyst

Posted 6 days ago
Job Viewed
Job Description
The Information Security Analyst will work in support of the Army for the Network Modernization & Mission Network Technical Service Support program (NetMod). NetMod sets forth the work efforts required to provide product technical support services for systems and equipment being produced, fielded, modified or supported by PdM Network Modernization (NetMod) and PdM Mission Network of the Project Manager (PM) Tactical Network (TN) of the Program Executive Office for Command Control and Communications-Tactical (PEO C3T). This support may also include future systems and equipment that is acquired for the Army to maintain its technological advantage.
**Job responsibilities include but are not limited to:**
+ Providing network environment and advanced level computing environment support.
+ Paying special attention to intrusion detection, finding and fixing unprotected vulnerabilities, and ensuring that remote access points are well secured.
+ Collecting data from a variety of Computer Network Defense (CND) tools (including data from approved information assurance (IA) tools to include intrusion detection system alerts, firewall and network traffic logs, and host system logs) to analyze events that occur within their environment.
+ Applying analytical skills to this data and all compliance with relevant non-technical controls, such as physical security and configuration management, to perform an audit function for the Agent of the Certification Authority (ACA) or other government Information Assurance (IA) Manager for mitigation of risks and reporting to include report generation for certification and accreditation packages or Certification of Networthiness efforts.
+ Conduct vulnerability assessments, risk analysis, and incident responses.
+ Actively monitoring network traffic for suspicious activity and potential security breaches.
+ Identify weaknesses in systems and applications to proactively address security risks.
**Minimum Qualifications:**
+ Bachelor's degree in Science and 5+ years of relevant experience.
+ 3+ years in the Department of Defense performing information management related duties.
+ Must be Information Assurance (IA) Trained and Certified per the Defense Federal Acquisition Regulation Supplement.
+ Possess an understanding of network protocols and security principles.
+ Demonstrated experience in security tools and technologies (firewalls, intrusion detection/prevention systems, SIEM).
+ Experience with vulnerability scanning and penetration testing.
+ Possess analytical and problem-solving skills to identify and address security threats.
**Preferred** **Qualifications:**
+ Basic understanding of programming
+ Experience with participating in simulated cyberattacks to identify vulnerabilities in systems and applications.
+ Experience updating and implementing complex security systems for an organization.
**Clearance Requirements:**
+ Must be a US citizen and have a current/active Secret clearance.
**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.
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.
Information Security Analyst

Posted 6 days ago
Job Viewed
Job Description
The Information Security Analyst will work in support of the Army for the Network Modernization & Mission Network Technical Service Support program (NetMod). NetMod sets forth the work efforts required to provide product technical support services for systems and equipment being produced, fielded, modified or supported by PdM Network Modernization (NetMod) and PdM Mission Network of the Project Manager (PM) Tactical Network (TN) of the Program Executive Office for Command Control and Communications-Tactical (PEO C3T). This support may also include future systems and equipment that is acquired for the Army to maintain its technological advantage.
**Job responsibilities include but are not limited to:**
+ Providing network environment and advanced level computing environment support
+ Paying special attention to intrusion detection, finding and fixing unprotected vulnerabilities, and ensuring that remote access points are well secured
+ Collecting data from a variety of Computer Network Defense (CND) tools (including data from approved information assurance (IA) tools to include intrusion detection system alerts, firewall and network traffic logs, and host system logs) to analyze events that occur within their environment
+ Applying analytical skills to this data and all compliance with relevant non-technical controls, such as physical security and configuration management, to perform an audit function for the Agent of the Certification Authority (ACA) or other government Information Assurance (IA) Manager for mitigation of risks and reporting to include report generation for certification and accreditation packages or Certification of Networthiness efforts.
+ Conduct vulnerability assessments, risk analysis, and incident responses.
+ Actively monitoring network traffic for suspicious activity and potential security breaches.
+ Identify weaknesses in systems and applications to proactively address security risks.
**Minimum Qualifications:**
+ Bachelor's degree in Science and 5+ years of relevant experience.
+ 3+ years in the Department of Defense performing information management related duties.
+ Must be Information Assurance (IA) Trained and Certified per the Defense Federal Acquisition Regulation Supplement.
+ Possess an understanding of network protocols and security principles
+ Demonstrated experience in security tools and technologies (firewalls, intrusion detection/prevention systems, SIEM).
+ Experience with vulnerability scanning and penetration testing.
+ Possess analytical and problem-solving skills to identify and address security threats.
**Preferred** **Qualifications:**
+ Basic understanding of programming.
+ Experience with participating in simulated cyberattacks to identify vulnerabilities in systems and applications.
+ Experience updating and implementing complex security systems for an organization.
**Clearance Requirements:**
+ Must be a US citizen and have a current/active Secret clearance.
**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.
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.
Information Security Analyst

Posted 6 days ago
Job Viewed
Job Description
The ** Information Security Analyst** will plan, implement, upgrade, or monitor security measures for the protection of computer networks and information. They may ensure appropriate security controls are in place that will safeguard digital files and vital electronic infrastructure. They may also respond to computer security breaches and viruses.
**Experience Requirements:**
+ Qualifying candidates must possess **ONE** of the following required qualifications:
+ Minimum of five (5) years of experience carrying out duties similar to the functions above
+ NAVEDTRA 43350 (Malware)
+ NAVEDTRA 43469 Watchstation 303 - Information Assurance Technician Level III
+ NAVEDTRA 43301-5B LCS Total Shipboard Computing Environment (TSCE)
+ NAVEDTRA 43469 Watchstation 304 - Information Assurance Manager
+ JQR Incident Handling QC Analyst (306)
+ JQR Incident Handling Trends Analyst (305)
+ JQR Information Assurance Vulnerabilities Management (VAAP - Vulnerability Analysis and Assistance Program)
+ Experience in the following areas:
+ Enterprise Mission Assurance Support Service (eMASS)
+ Vulnerability Remediation Asset Manager (VRAM)
+ Navy Risk Management Framework (RMF) SOPs
+ Microsoft Defender for Endpoint (MDE)
+ Continuous Monitoring and Risk Scoring (CMRS)
+ Experience with performing STIG implementation
+ Experience performing vulnerability assessments with the Assured Compliance Assessment Solution (ACAS) tool
+ Experience remediating vulnerability findings to include implementing vendor patches
+ Experience reviewing RMF documentation such as system categorization, Security Plan, Implementation Plan, Security Assessment Plan, System Level Continuous Monitoring (SLCM) Plan, System POA&M
**Educational Requirements: **
+ Qualifying candidates must possess **ONE** of the following required educational qualifications:
+ Bachelor's degree
+ CNSSI 4012-Senior Systems Managers/4013-System Administrators/4014-Information Systems Security Officers (ISSO) /4015-Systems Certifiers/4016-Risk Analysts
+ NDU CIO certificate-Chief Information Officer (CIO)
+ Computer Hacking Forensic Investigator (CHFI)
+ GIAC Reverse Engineering Malware (GREM)
+ CISM
+ GIAC Certified Incident Handler (GCIH)
+ EC-Council Certified Incident Handler (ECIH)
+ GIAC Certified Forensics Analyst (GCFA)
+ CEH
+ CISSP
+ GSEC
+ Licensed Penetration Tester (LPT) *Retired
+ CASP+ GSLC
+ CSSLP
+ NEC 741A Information System Security Manager
+ NEC 742A Network Security Vulnerability Technician
+ NEC H10A Basic Cyber Analyst/Operator
+ NETW 4001 Security Plus
+ SSC 6209-Network Operations and Technology
+ Hunt Methodologies Course (HMC)
+ Intermediate Cyber Core (ICC)
+ CYBR2100 Certified Ethical Hacker
+ CYBR2150
+ CYBR3420 Intermediate Cyber Core
**Security Requirements:**
+ **Candidates must have U.S. Citizenship**
+ **Candidates must have an ACTIVE DoD Secret Clearance (or higher)**
**Imagine One Technology & Management, Ltd., offers a full package of benefits and competitive salary, excellent group medical, vision, and dental programs. 401K savings plan; $4K annual tuition reimbursement ($5K if pursuing master's degree); employee training, development, and education programs; profit sharing; advancement opportunities; and much more!**
**_ISO 9001:2015, ISO 2000-1:2018, ISO 27001:2013_**
**_CMMI Development and Services - Maturity Level 3_**
**_An Employee-Owned Business_**
**_EEO/Veterans/Disabled_**
_*Imagine One "Contingent" offers for employment may stipulate that one or more requirements be satisfied before final commitment between candidate and Imagine One is established; namely, award of contract to the Imagine One Team. Contingent requirements vary and may also include, but not be limited to additional factors (i.e., the position still being available after negotiations with the Government; final approval of your qualifications by the Government; or ability to successfully acquire and/or transfer a DoD security clearance)._
Information Security Analyst
Posted 7 days ago
Job Viewed
Job Description
**Type of Requisition:** Regular
**Clearance Level Must Be Able to Obtain:** Top Secret/SCI
**Public Trust/Other Required:** None
**Job Family:** Cyber and IT Risk Management
**Skills:**
Cybersecurity,Information Security,Security Tools,System Security
**Certifications:**
Security+, CE - CompTIA - Security+ CE - CompTIA - CompTIA - Security+ CE - CompTIA
**Experience:**
3 + years of related experience
**US Citizenship Required:**
Yes
**Job Description:**
Transform technology into opportunity as an Information Security Analyst with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate.
At GDIT, people are our differentiator. As an Information Security Analyst, you will help ensure today is safe and tomorrow is smarter. Our work depends on TS/SCI cleared Information Security Analysts joining our team to support our intelligence customer at Fort Liberty, NC.
**HOW AN INFORMATION SECURITY ANALYST WILL MAKE AN IMPACT**
The Information Assurance Analyst is primarily responsible for incident handling, incident response, intrusion analysis, threat hunting, digital forensic analysis, vulnerability scanning, Data Loss Prevention (DLP).
+ Tracks and handles cyber security incidents/events from initial detection to final resolution; coordinates with appropriate parties to investigate and maintain communications.
+ Collaborates with specialty teams to investigate and resolve complex problems.
+ Troubleshoots security tools on the network to ensure successful operation, compatibility with other applications, and minimal impact to the users.
+ Ensures ACAS vulnerability scanning mechanisms are operational and providing relevant results to the vulnerability management and admin teams.
+ Performs Information Systems Security Officer (ISSO) duties, and acts as the POC between parent organization and cyber security teams.
+ Conducts change requests, software authorizations, static code analysis, account reviews, and other Assessment & Authorization (A&A) tasks as required.
+ Acts as a central point of contact for all inquiries potentially regarding cyber security, and if necessary, redirects to the appropriate entities.
**WHAT YOU'LL NEED TO SUCCEED**
**EDUCATION**
+ Associate Degree in Computer Science or a related technical discipline, or the equivalent combination of education, professional training or work experience.
+ 8570 Certification
**REQUIRED EXPERIENCE:**
+ 3+ years of related experience in data security administration.
**REQUIRED TECHNICAL SKILLS:**
+ Minimum IAT II: CCNA Security, CySA+, GICSP, GSEC, Security+ CE, SSCP
+ Within 6 months of hire - CSSP Incident Responder (IR): CEH, CFR, CCNA Cyber Ops, CCNA-Security, CHFI, CySA+, GCFA, GCIH, SCYBER
+ Preferred certifications: GCIH, GCFA, GCIA, GNFA, Linux+, CCNA R&S, Splunk Power User
**SECURITY CLEARANCE:**
+ TS/SCI (Required)
**REQUIRED SKILLS AND ABILITIES** :
+ Proficient at navigating Windows 10/Server 2012/Server 2016 operating systems to perform intrusion analysis and systems maintenance
+ Proficient at navigating Linux: Ubuntu/RHEL 6/7/8 to facilitate cyber security engineering and systems maintenance
+ Basic scripting skills using Windows command-line, PowerShell, or BASH
+ Understanding of network ports, protocols, and services
+ Intrusion analysis via HBSS, Splunk or other SIEM tools, Windows Event Logging, Open Source Intelligence (OSINT) sources
+ Incident investigations via McAfee HBSS suite, SolarWinds, Cisco ISE, Cylance, Splunk, Phantom, StealthWatch, WireShark, ForeScout, ACAS, PowerShell, command-line tools
+ Build and maintain ACAS infrastructure; analyze vulnerability scan results and provide recommendations for remediation
**PREFERRED SKILLS:**
+ Strong desire to learn new skills, techniques, tactics, and procedures to improve knowledge and existing processes
+ Must be able to multi-task and adapt to changing priorities in highly stressful situations
+ Highly resilient and motivated to investigate unfamiliar and anomalous problems in a robust OPTEMPO environment, including follow-through to complete resolution
+ Critical thinking skills required to apply and correlate data from multiple sources to solve complex problems
+ Strong ability to quickly and clearly articulate operational impacts of cyber security incidents/events to leadership
+ Ability to communicate efficiently and precisely to target audience, as well as build strong rapport with other teams
**Location:**
+ On Company Site
**Citizenship Required**
+ US citizenship
**GDIT IS YOUR PLACE:**
● 401K with company match
● Comprehensive health and wellness packages
● Internal mobility team dedicated to helping you own your career
● Professional growth opportunities including paid education and certifications
● Cutting-edge technology you can learn from
● Rest and recharge with paid vacation and holidays
The likely salary range for this position is $97,750 - $132,250. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.
We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.
Join our Talent Community to stay up to date on our career opportunities and events at Opportunity Employer / Individuals with Disabilities / Protected Veterans
Information Security Analyst
Posted today
Job Viewed
Job Description
Key Responsibilities:
- Monitor security systems, including firewalls, intrusion detection/prevention systems (IDS/IPS), and SIEM (Security Information and Event Management) tools for suspicious activity.
- Analyze security alerts and events, performing initial triage and escalating critical incidents.
- Conduct vulnerability assessments and penetration testing to identify weaknesses in systems and networks.
- Assist in the development and implementation of security policies, procedures, and standards.
- Manage and maintain security hardware and software, ensuring they are up-to-date and functioning effectively.
- Investigate security breaches and other cyber security incidents, providing detailed incident response reports.
- Develop and deliver security awareness training to employees.
- Contribute to the continuous improvement of the organization's security posture.
- Stay informed about the latest cybersecurity threats, vulnerabilities, and mitigation techniques.
- Collaborate with IT and other departments to ensure security requirements are met across the organization.
Qualifications:
- Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or a related field.
- 2-4 years of experience in information security or a related IT role.
- Strong understanding of cybersecurity principles, network protocols, and common attack vectors.
- Experience with security tools such as SIEM, vulnerability scanners, firewalls, and IDS/IPS.
- Familiarity with security frameworks like NIST or ISO 27001.
- Excellent analytical and problem-solving skills.
- Strong written and verbal communication skills, with the ability to document findings and incidents clearly.
- Ability to work independently and as part of a team in a fast-paced environment.
- Relevant security certifications (e.g., Security+, CySA+) are a plus.
- Proactive approach to identifying and addressing security risks.
Information Security Analyst
Posted 1 day ago
Job Viewed
Job Description
Key Responsibilities:
- Monitor security systems and respond to security alerts and incidents.
- Conduct vulnerability assessments and penetration testing.
- Analyze security risks and recommend appropriate mitigation strategies.
- Develop, implement, and maintain security policies and procedures.
- Assist in the development and delivery of security awareness training programs.
- Investigate and resolve security breaches and cyber-attacks.
- Stay up-to-date with current and emerging cybersecurity threats and technologies.
- Ensure compliance with relevant security regulations and standards.
- Manage and configure security tools such as firewalls, IDS/IPS, and SIEM systems.
- Collaborate with IT teams to implement security controls across various systems.
- Bachelor's degree in Computer Science, Cybersecurity, or a related field.
- 4+ years of experience in information security or cybersecurity roles.
- Strong understanding of network security, operating systems security, and application security.
- Experience with SIEM, IDS/IPS, firewalls, and endpoint security solutions.
- Knowledge of security frameworks (e.g., NIST, ISO 27001).
- Relevant certifications (CISSP, CEH, Security+) are a strong plus.
- Excellent analytical, problem-solving, and critical thinking skills.
- Strong communication and interpersonal abilities.
- Proven ability to work independently and manage tasks in a remote environment.
- Experience with incident response and forensic investigations is desirable.
Information Security Analyst
Posted 1 day ago
Job Viewed
Job Description
Responsibilities:
- Monitor security alerts and events from various security systems (SIEM, IDS/IPS, etc.).
- Analyze security threats and vulnerabilities, and recommend appropriate mitigation strategies.
- Respond to and investigate security incidents, coordinating remediation efforts.
- Perform vulnerability assessments and penetration testing to identify security weaknesses.
- Develop and maintain security policies, procedures, and standards.
- Assist in the implementation and management of security controls and technologies.
- Conduct security awareness training for employees.
- Stay current with emerging threats, vulnerabilities, and security best practices.
- Generate regular reports on security posture and incident activity.
- Contribute to the continuous improvement of the information security program.
- Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field.
- 3+ years of experience in information security, cybersecurity operations, or a related role.
- Strong knowledge of network security, system security, and common cybersecurity threats.
- Proficiency with security tools (SIEM, IDS/IPS, firewalls, EDR).
- Excellent analytical, problem-solving, and critical-thinking skills.
- Strong understanding of cybersecurity frameworks and best practices.
- Effective communication and collaboration skills for remote team interaction.
- Relevant security certifications (CISSP, CEH, CompTIA Security+) are a significant advantage.
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Information Security Analyst
Posted 2 days ago
Job Viewed
Job Description
Qualifications:
- Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field.
- 3-5 years of experience in information security, cybersecurity operations, or risk management.
- Experience with security tools such as SIEM, IDS/IPS, firewalls, and endpoint protection.
- Knowledge of security frameworks (e.g., NIST, ISO 27001) and relevant regulations.
- Strong analytical and problem-solving skills.
- Excellent communication and reporting abilities.
- Relevant certifications such as CISSP, CompTIA Security+ are highly desirable.
- Proven ability to work effectively in a remote environment.
Information Security Analyst
Posted 4 days ago
Job Viewed
Job Description
- Monitoring security alerts and logs from various security tools (e.g., SIEM, IDS/IPS, firewalls) to detect and analyze potential security incidents.
- Investigating security breaches and other cybersecurity incidents, performing root cause analysis, and developing remediation plans.
- Conducting regular vulnerability assessments and penetration tests to identify and mitigate security risks.
- Implementing and managing security controls and technologies to protect networks, systems, and data.
- Developing, updating, and enforcing information security policies, standards, and procedures.
- Staying informed about the latest cybersecurity threats, vulnerabilities, and attack vectors.
- Providing security awareness training to employees and educating them on best practices.
- Collaborating with IT operations and development teams to ensure secure system configurations and deployments.
- Participating in security audits and ensuring compliance with relevant regulations (e.g., GDPR, HIPAA, PCI DSS).
- Responding to security-related queries and incidents from internal and external stakeholders.
- Contributing to the development and maintenance of the organization's incident response plan.
Information Security Analyst
Posted 4 days ago
Job Viewed
Job Description
Key Responsibilities:
- Monitor security alerts and events using SIEM and other security tools.
- Investigate and respond to security incidents, performing root cause analysis.
- Implement and manage security technologies, such as firewalls, IDS/IPS, and endpoint protection.
- Conduct vulnerability assessments and penetration testing.
- Develop and maintain security policies, procedures, and documentation.
- Ensure compliance with relevant security standards and regulations (e.g., GDPR, HIPAA, PCI DSS).
- Provide security awareness training to employees.
- Collaborate with IT teams to implement security best practices across the organization.
- Stay up-to-date with the latest cybersecurity threats, vulnerabilities, and mitigation strategies.
- Manage security logs and conduct regular audits.
- Assist in disaster recovery and business continuity planning.
Qualifications:
- Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field.
- Minimum of 3-5 years of experience in information security or cybersecurity.
- Strong understanding of network security, system security, and cryptography.
- Experience with security tools such as SIEM, firewalls, IDS/IPS, vulnerability scanners.
- Knowledge of incident response methodologies and best practices.
- Relevant certifications such as CompTIA Security+, CISSP, or GIAC are highly desirable.
- Excellent analytical, problem-solving, and critical thinking skills.
- Strong communication and interpersonal skills.
- Ability to work independently and manage time effectively in a remote environment.
- Familiarity with cloud security concepts is a plus.
This is an outstanding opportunity to safeguard critical digital assets and contribute to a secure digital environment from anywhere in the United States.