• Red River (Washington, DC)
    Red River Technology is actively seeking a dedicated and highly skilled Senior Network & Systems Engineer with deep expertise in Cisco ACI, virtualization ... visibility and issue resolution. + Collaboration & Documentation + Partner with software , DevOps, and cybersecurity teams to support end-to-end solution delivery. +… more
    DirectEmployers Association (10/16/25)
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  • Applied Research Associates, Inc. (Herndon, VA)
    **Description** ARA is looking for a Senior DevOps Engineer with strong expertise in OpenShift and you need to have a solid understanding of DevOps principles, ... container orchestration, and cloud-native application development. The Senior DevOps Engineer will be responsible for...be a US citizen with an active TS/SCI security clearance ** + Bachelors degree in a related field along… more
    DirectEmployers Association (09/11/25)
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  • Zscaler (Washington, DC)
    …countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to ... strategy. We are looking for a Staff Information Security Engineer who will operate as a vulnerability management ...adhering to one-way diode transfer protocols.** Reporting to the Senior Manager of Information Security Engineering, you will be… more
    DirectEmployers Association (10/11/25)
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  • Applied Research Solutions (Springfield, VA)
    …are motivated through our industry competitive benefits package, our awards and recognition program, and personalized attention from ARS Senior Managers.?? ... **Description** ARS is looking for a DevOps Engineer . As a DevOps Engineer , you...will directly impact the efficiency and quality of our software delivery. This will include optimizing existing CI/CD pipelines… more
    DirectEmployers Association (11/04/25)
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  • Software Engineer Sr

    Lockheed Martin (Herndon, VA)
    …space\- based programs in support of national security\. We are looking for a software engineer to craft and build innovative solutions for our customers\. You ... system capabilities from early design through site acceptance focused on software reuse, COTS/FOSS integrations, and innovative, affordable best practices\. * Be… more
    Lockheed Martin (11/07/25)
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  • Senior Software Engineer

    General Dynamics Information Technology (Oakton, VA)
    …of related experience **US Citizenship Required:** Yes **Job Description:** GDIT is seeking a Senior Software Engineer to join our team. US Citizenship ... **Req ID:** RQ207012 **Type of Requisition:** Regular ** Clearance Level Must Be Able to Obtain:** Secret...onsite. Deliver simple solutions to complex problems as a Senior Software Engineer at GDIT.… more
    General Dynamics Information Technology (09/13/25)
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  • Principal/ Sr . Principal Cyber…

    Northrop Grumman (Chantilly, VA)
    …prioritize bugs until resolution **Basic Qualifications for a Sr . Principal Cyber Software Test Engineer :** + ** Clearance : Candidate must currently have ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Polygraph TRAVEL: No **Description** At Northrop...you to join our team as a **Principal** **Cyber Software Test Engineer ** and ** Sr .… more
    Northrop Grumman (11/01/25)
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  • Sr . Software Engineer

    BigBear.ai (Herndon, VA)
    Overview Software Engineer Location: On-site - Herndon, VA Clearance Required: Active TS/SCI (Polygraph preferred) Make an Impact with BigBear.ai Are you ... in the real world? BigBear.ai is looking for a Software Engineer to join our mission-driven team...We invest in our people with opportunities for growth, recognition , and a strong commitment to work-life balance. What… more
    BigBear.ai (08/16/25)
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  • Principal/ Sr Principal Fault Management…

    Northrop Grumman (Dulles, VA)
    …part of history, they're making history. Northrop Grumman is hiring a qualified Principal/ Sr . Principal Systems Engineer to support a National Security Space ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of...in technical field + 3 years of experience + ** Sr . Principal Systems Engineer ** - Bachelors of… more
    Northrop Grumman (09/19/25)
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  • Sr Specialist, Circuit Design Electrical…

    L3Harris (Ashburn, VA)
    …of national security. Job Title: Sr Specialist, Circuit Design Electrical Engineer - Unmanned Systems (Secret Security Clearance ) Job Code: 28913 Job ... assistance is available to qualified applicants Job Description: As a Electrical Engineer Specialist in the Agile Development Group (ADG), you will be part… more
    L3Harris (09/17/25)
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  • Software Engineer Sr Advisor…

    General Dynamics Information Technology (Fairfax, VA)
    …8 + years of related experience **US Citizenship Required:** Yes **Job Description:** Software Engineer Sr Advisor Deliver simple solutions to complex ... **Req ID:** RQ203602 **Type of Requisition:** Regular ** Clearance Level Must Be Able to Obtain:** Top...problems as a Software Engineer Sr Advisor at...problems as a Software Engineer Sr Advisor at GDIT. Here, you'll… more
    General Dynamics Information Technology (10/21/25)
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  • Principal/ Sr . Principal Systems…

    Northrop Grumman (Dulles, VA)
    …making history. Northrop Grumman Space Systems Sector seeks a qualified Principal or Senior Principal Systems Engineer for the role of Ground Segment Systems ... Engineer for a Ground/Mission Software program. This role requires on-site, in-person support in...or related area and 3 years of experience. + ** Senior Principal Engineer Level (T4)** - BS… more
    Northrop Grumman (10/17/25)
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  • Senior Software Engineer

    Koniag Government Services (Washington, DC)
    …Koniag Government Services company, is seeking a Senior Software Engineer with a Top-Secret security clearance with SCI eligibility to support **Kadiak** ... and self-motivated individual to perform the duties of a Senior Software Engineer to support...position requires an Active Top Secret with SCI eligibility clearance , supporting a DOJ FBI five-year contract beginning mid-July… more
    Koniag Government Services (10/17/25)
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  • Sr . Software Engineer

    Leidos (Chantilly, VA)
    …of the Decision Advantage Solutions Business Area, is currently seeking a highly motivated Sr . Software Engineer for the Chinook Program. The Chinook Program ... the GEOINT enterprise through secure, agile, and cloud-native development. As a senior engineer , you will lead technical development efforts, drive DevSecOps… more
    Leidos (10/05/25)
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  • Senior Software Engineer

    Koniag Government Services (Washington, DC)
    …Koniag Government Services company, is seeking a Senior Software Engineer with a Top-Secret security clearance with SCI eligibility to support **Kadiak** ... and self-motivated individual to perform the duties of a Senior Software Engineer to support...position requires an Active Top Secret with SCI eligibility clearance , supporting a DOJ FBI five-year contract beginning mid-July… more
    Koniag Government Services (11/02/25)
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  • Sr . Principal Cyber Software

    Northrop Grumman (Washington, DC)
    …In order to fulfill this mission, Northrop Grumman Defense Systems sector is seeking a ** Sr . Principal Cyber Software Engineer ** to join our team of ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: No **Description** At...required. + Lead actions with peer systems administrators, network engineer , security teams, and software and hardware… more
    Northrop Grumman (10/04/25)
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  • Sr . Software Engineer

    Leidos (Arlington, VA)
    **Description** Leidos is presently seeking a ** Sr .** ** Software Engineer ** in support of the Defense Information Systems Agency GSMO-II Program. The ... provide technical expertise in Continuous Integration/Continuous Delivery (CI/CD), DevOps and Software Configuration Management in support of the automated and rapid… more
    Leidos (11/09/25)
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  • Sr . Principal Cyber Software

    Northrop Grumman (Chantilly, VA)
    …position will be located at a Mission Systems Sector site in Chantilly, VA. As a Senior Software Engineer on the Mobile Development team, you will be ... career. **Northrop Grumman Mission Systems** is seeking an experienced ** Senior Principal Cyber Software Engineer **...**Preferred Qualifications:** + Active Top Secret / SCI security clearance with poly. + Experience leading software more
    Northrop Grumman (10/21/25)
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  • Software Engineer Sr

    Lockheed Martin (Herndon, VA)
    …of space\- based programs in support of national security\. We are seeking a Software Engineer to participate in the design, development, test and maintenance of ... Mission Management and/or Command and Control domains\. As a Software Engineer with Paragon, you will: *...will be required to possess an Active TS/SCI security clearance for consideration\.** Our employees play an active role… more
    Lockheed Martin (10/18/25)
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  • Sr Software Engineer

    Shuvel Digital (Dulles, VA)
    …introducing new cyber capabilities to address emerging threats. Raytheon is seeking a Senior Software Engineer to support the design, development, and ... Title: Senior Software /Security Engineer (CyberSecurity)... Engineer (CyberSecurity) Type: Contract Location: Dulles, VA Clearance : An active Secret security clearance is… more
    Shuvel Digital (09/25/25)
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