NOSC Cyber Analyst Peraton IncNOSC Cyber AnalystArlington, VA$80,000–$128,000 / yearPerform network traffic analysis utilizing raw packet data, net flow, IDS, IPS and custom sensor output, as it pertains to the cyber security of communications networks. Strong computing system knowledge, particularly networking, including a knowledge of communication protocols and familiarity with common computing security elements such as IDS/IPS systems and firewalls.
Senior Isse/Penetration Tester Ts/Sci Polygraph Leidos Holdings Inc.Senior Isse/Penetration Tester Ts/Sci PolygraphAnnapolis Junction, MD$131,300–$237,350 / yearThe selected candidate will have a range of day-to-day responsibilities across multiple activities, including the following: Validating and verifying system security requirements and establishing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components. Must have experience developing and implementing integrated security services management processes, such as assessing and auditing network penetration testing, anti-virus planning assistance, risk analysis, and incident response.
Senior ISSE/Penetration Tester TS/SCI Polygraph Leidos Holdings IncSenior ISSE/Penetration Tester TS/SCI PolygraphAnnapolis Junction, MD$131,300–$237,350 / yearThe selected candidate will have a range of day-to-day responsibilities across multiple activities, including the following: Validating and verifying system security requirements and establishing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components. Must have experience developing and implementing integrated security services management processes, such as assessing and auditing network penetration testing, anti-virus planning assistance, risk analysis, and incident response.
Security Analyst- Forensics/Malware Analysis SOS International LLCSecurity Analyst- Forensics/Malware AnalysisWashington, DCEducation: Bachelor's Degree in cybersecurity, digital forensics, information systems, computer science, or a related field or Four (4) additional years of relevant digital forensics or cybersecurity experience. This role is responsible for supporting digital forensics and malware analysis activities, including analysis of digital media, investigation of security incidents, and support to remediation and response activities.
Senior ISSE/Penetration Tester TS/SCI Polygraph LeidosSenior ISSE/Penetration Tester TS/SCI PolygraphAnnapolis Junction, MarylandThe selected candidate will have a range of day-to-day responsibilities across multiple activities, including the following: Validating and verifying system security requirements and establishing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components. April 28, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Information Systems Security Engineer SME/Cloud based / Active Top Secret Peraton IncInformation Systems Security Engineer SME/Cloud based / Active Top SecretWashington, DC$176,000–$282,000 / yearLocation: National Capital Region (NCR): In this role, you will: Lead, mentor, and supervise a team of contractor security professionals responsible for the end-to-end implementation of the RMF lifecycle for FBI IT systems. Serve as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts.
Information Systems Security Manager (ISSM) - TS/SCI w/Polygraph GD Information TechnologyInformation Systems Security Manager (ISSM) - TS/SCI w/PolygraphMcLean, VirginiaTo 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. 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.
DevOps Engineer Leidos Holdings IncDevOps EngineerReston, VA$107,900–$195,050 / yearThe DevOps Engineer (Tier 3) will be responsible for creating, testing, updating, and maintaining source code for custom software applications and services written in various programming languages and implemented in both Windows and Linux Operating System environments. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Information Systems Security Manager (ISSM) - TS/SCI w/Polygraph General Dynamics Information TechnologyInformation Systems Security Manager (ISSM) - TS/SCI w/PolygraphMcLean, VirginiaTo 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. 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.
NOSC Analyst BAE Systems PlcNOSC AnalystSterling, VA$97,008–$164,914 / yearExtensive knowledge of network topologies, protocols (e.g., TCP/IP, ICMP, HTTP/S, DNS, SSH, SMTP, SMB), and experience with tools/systems including AWS, Cisco, Splunk SIEM, Splunk Forwarders, IDS/IPS, VMware, SSL Decryption, proxy and DLP operations, Windows and Linux based endpoints. About BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services.
DevOps Engineer LeidosDevOps EngineerReston, VirginiaThe DevOps Engineer (Tier 3) will be responsible for creating, testing, updating, and maintaining source code for custom software applications and services written in various programming languages and implemented in both Windows and Linux Operating System environments. September 10, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Cribl Engineer - Active TS/SCI with CI Poly ENS Solutions, LLCCribl Engineer - Active TS/SCI with CI PolyReston, VAHS diploma or GED and 7+ years of experience with supporting IT projects and activities, Associate’s degree and 5+ years of experience supporting IT projects and activities, Bachelor’s degree and 3+ years of experience supporting IT projects and activities, or Master’s degree and 1+ years of experience supporting IT projects and activities. ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results.
Illumio Zero Trust Engineer - Active TS/SCI with CI Poly ENS Solutions, LLCIllumio Zero Trust Engineer - Active TS/SCI with CI PolyWashington, DCENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. Associate’s degree and 5+ years of experience supporting IT projects and activities, Bachelor’s degree and 3+ years of experience supporting IT projects and activities, or Master’s degree and 1+ years of experience supporting IT projects and activities.
Cloud Security Engineer - Active TS/SCI with CI Poly ENS Solutions, LLCCloud Security Engineer - Active TS/SCI with CI PolyWashington, DCHS diploma or GED and 7+ years of experience with supporting IT projects and activities, Associate’s degree and 5+ years of experience supporting IT projects and activities, Bachelor’s degree and 3+ years of experience supporting IT projects and activities, or Master’s degree and 1+ years of experience supporting IT projects and activities. ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results.
Cybersecurity Architect - Active TS/SCI with CI Poly ENS Solutions, LLCCybersecurity Architect - Active TS/SCI with CI PolyReston, VAAssociate’s degree and 10+ years of experience supporting IT projects and activities, Bachelor’s degree and 8+ years of experience supporting IT projects and activities, or Master’s degree and 6+ years of experience supporting IT projects, or 12+ years of experience supporting IT projects and activities in lieu of a degree. ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results.
Splunk Engineer - Active Ts/Sci Required ENS Solutions, LLCSplunk Engineer - Active Ts/Sci RequiredReston, VAENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. You'll perform hands-on evaluation, implementation, and operation of leading security Cyber defense tools and technologies and apply in-depth defense strategies for large and complex networks to rapidly identify vulnerabilities and threats, prioritizing response actions, including developing effective countermeasures.
Cribl Engineer - Active Ts/Sci With CI Poly ENS Solutions, LLCCribl Engineer - Active Ts/Sci With CI PolyReston, VAHS diploma or GED and 7+ years of experience with supporting IT projects and activities, Associate’s degree and 5+ years of experience supporting IT projects and activities, Bachelor’s degree and 3+ years of experience supporting IT projects and activities, or Master’s degree and 1+ years of experience supporting IT projects and activities. ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results.
Forescout Engineer Booz Allen HamiltonForescout EngineerReston, VirginiaExperience with network engineering, including physical or logical such as installation and activation of ports, configuration of switches, and LANS, VLANS, and network FW, or appliances or network administration services such as Active Directory, Guests LANS, and domain management. You’ll perform hands-on evaluation, implementation, and operation of leading security cyber defense tools and technologies, and apply in-depth defense strategies to large and complex networks to rapidly identify vulnerabilities and threats, prioritize response actions, and develop effective countermeasures.
Cribl Engineer Booz Allen HamiltonCribl EngineerReston, VirginiaHS diploma or GED and 7+ years of experience supporting IT projects and activities, Associate’s degree and 5+ years of experience supporting IT projects and activities, Bachelor’s degree and 3+ years of experience supporting IT projects and activities, or Master’s degree and 1+ years of experience supporting IT projects and activities. Implement complex routing logic, data masking, enrichment, and replay workflows, utilizing custom JavaScript functions and Regular Expressions (Regex) patterns directly within Cribl pipelines.
NewForeScout Engineer Booz Allen HamiltonForeScout EngineerReston, Virginia$99,000–$225,000 / yearExperience with network engineering, including physical or logical such as installation and activation of ports, configuration of switches, and LANS, VLANS, and network FW, or appliances or network administration services such as Active Directory, Guests LANS, and domain management. You’ll perform hands-on evaluation, implementation, and operation of leading security cyber defense tools and technologies, and apply in-depth defense strategies to large and complex networks to rapidly identify vulnerabilities and threats, prioritize response actions, and develop effective countermeasures.