• Senior Cryptographic Software

    ManTech (Linthicum Heights, MD)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Cryptographic Software Engineer ** to join our team in **Linthicum Heights, MD** . ... Software development/evaluation experience + Experience and understanding of cryptographic certification processes such as FIPS 140-3 and/or Common Criteria… more
    ManTech (11/09/25)
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  • Senior Software Engineer

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and … more
    Leidos (08/28/25)
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  • Senior DevOps Engineer

    Leidos (Annapolis Junction, MD)
    …mission-critical program with lasting impactful results. We are seeking a highly skilled ** Senior ** **D** **evOps Engineer ** with expertise in Git and extensive ... **Description** **Leidos** has a new and exciting opportunity for a **DevOps Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area… more
    Leidos (10/24/25)
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  • Senior Test and Integration Engineer

    Leidos (Linthicum, MD)
    **Description** Leidos is currently looking to add a Test and Integration Engineer to a Cyber Security Program near Ft. Meade, MD. This challenging position supports ... candidate willperform the installation, integration, and test of operational equipment/ software to verify compliance with the system design, requirements, and… more
    Leidos (11/07/25)
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  • Cyber Systems Engineer - level 3 or 4

    Northrop Grumman (Dulles, VA)
    …to our collaborative teams. Northrop Grumman Space Systems is seeking a _Cyber Systems Engineer - level 3 or 4 to_ join our team of qualified, diverse individuals. ... specific components, across disciplines Anti-Tamper, TEMPEST, Cybersecurity (RMF), and cryptographic component integration/development. You will ensure that Cyber requirements… more
    Northrop Grumman (11/18/25)
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  • Expert Systems Engineer

    Leidos (Chantilly, VA)
    **Description** Enterprise **System Engineer ** serve to maintain a strong awareness of technical trends in information technology, develop and maintain a strong ... teams prepare for CIO Project Management Program control gates; and keep senior management apprised of project or program status. Candidate needs knowledge of… more
    Leidos (10/10/25)
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  • Sr. Test Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Test Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business ... the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and … more
    Leidos (09/12/25)
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  • Network Engineer

    Oneida Technical Solutions (Fort Belvoir, VA)
    …material; troubleshooting, operating, performing (OTAR), Quarterly/annual and monthly Cryptographic key updates, maintaining/managing software and application ... Center for the National Capital Region (RNEC-NCR), we are currently seeking a Network Engineer with a minimum of 3-years of experience and a Secret Clearance. This… more
    Oneida Technical Solutions (11/21/25)
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  • Network Engineer

    System One (Springfield, VA)
    Job Title: Network Engineer Location: Springfield, Virginia Type: Contract To Hire Compensation: $130,000 - $150,000 depending on experience Security Clearance: ... TS/SCI Network Engineer to provide support for LAN/WAN by developing network...standards and evaluates, consults and makes technology recommendations to senior management. This position requires experience in complex telecommunications… more
    System One (11/07/25)
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  • Network Engineer III

    William C Brown Inc (Springfield, VA)
    Network Engineer III EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard ... characteristic protected by law. Description WCBinc is looking for a Network Engineer to provide support for LAN/WAN by developing network support processes,… more
    William C Brown Inc (09/01/25)
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  • Cybersecurity Automation Engineer

    General Dynamics Information Technology (Falls Church, VA)
    …Seize your opportunity to make a personal impact as a **Cybersecurity Automation Engineer ** supporting the United States Postal Service. GDIT is your place to make ... GDIT, people are our differentiators. As a **Cybersecurity Automation Engineer ** , you will help ensure today is safe...this role, a typical day will include: + Analyzing software systems and developing automated solutions for security issues… more
    General Dynamics Information Technology (11/05/25)
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  • Sr. Network Engineer TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    …**Join us and make a difference in National Security!** Leidos is looking for a Senior Level Network Engineer to join a highly performing agile team using the ... **Leidos** has a new and exciting opportunity for a **Sr. Network Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area… more
    Leidos (10/23/25)
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  • Principal Network Engineer

    Leidos (Bethesda, MD)
    …**Leidos** has a new and exciting opportunity for a **Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and … more
    Leidos (10/31/25)
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  • Information Systems Security Engineer

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Information Systems Security Engineer (ISSE)** in our **National Security Sector's ... the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and … more
    Leidos (11/18/25)
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  • Senior Information Systems Security Officer…

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Information Systems Security Officer (ISSO) in our **National Security Sector's (NSS) ... the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and … more
    Leidos (10/16/25)
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  • Calling all Top Secret Cleared Cyber Systems…

    Northrop Grumman (Dulles, VA)
    …nation's safety. **We are recruiting for Top Secret cleared junior, mid-level, and senior engineers with a background in Cyber Systems Engineering.** A Cyber Systems ... specific components, across disciplines Anti-Tamper, TEMPEST, Cybersecurity (RMF), and cryptographic component integration/development. You will ensure that Cyber requirements… more
    Northrop Grumman (10/16/25)
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  • Core/WAN Network Lead

    CACI International (Sterling, VA)
    …encompasses the design, implementation, and maintenance of complex, global enterprise networks. The Senior Network Engineer will act as a key technical leader, ... and performance of the network including hardware and management software . + Develop and maintain a road map for...instructions + Experience with CISCO and Juniper, switches, routers, Cryptographic devises, VPN and VPN client. + Experience with… more
    CACI International (10/24/25)
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  • Core/WAN Network - Tier 3

    CACI International (Sterling, VA)
    …encompasses the design, implementation, and maintenance of complex, global enterprise networks. The Senior Network Engineer will act as a key technical leader, ... and performance of the network including hardware and management software . + Develop and maintain a road map for...instructions + Experience with CISCO and Juniper, switches, routers, Cryptographic devises, VPN and VPN client. + Experience with… more
    CACI International (10/25/25)
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