• Principal Software Engineer (Onsite)

    RTX Corporation (El Segundo, CA)
    …US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship ... required, as only US citizens are eligible for a security clearance ​ ** Security Clearance...Mission Planning team is looking for an experienced Principal Software Engineer to join our team. This… more
    RTX Corporation (12/18/25)
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  • Adjunct Technical Program Manager (TPM)/Staff…

    Northrop Grumman (Redondo Beach, CA)
    …Northrop Grumman Space Systems is seeking an Adjunct Technical Program Manager (TPM)/Staff Software Engineer (Level 5) that will lead and manage efforts in ... with the Atlassian Tool Suite (Confluence, Jira, Bitbucket, Bamboo) + Active TS/SCI security clearance + Domain knowledge across the Mission One customer… more
    Northrop Grumman (12/14/25)
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  • Sr. Specialist, Embedded Software…

    L3Harris (Carlsbad, CA)
    …domains in the interest of national security . Job Title: Sr. Specialist, Embedded Software Engineer (Link 16) Job Code: 30450 Job Location: Carlsbad, CA Job ... Schedule: 9/80 Job Description: The Sr. Specialist embedded software engineer designs, develops and extensively tests...of our positions require the ability to obtain a security clearance . Security clearances may… more
    L3Harris (10/29/25)
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  • Junior Software QA Engineer

    KBR (El Segundo, CA)
    …On-site/Hybrid + Travel Requirements: Minimal + Working Hours: Standard Qualifications: Required: + Security Clearance : Ability to obtain and maintain a Secret ... Title: Junior Software QA Engineer Belong. Connect. Grow....Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology… more
    KBR (01/04/26)
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  • Software Engineer C#

    Leidos (Vista, CA)
    **Description** **Leidos** is seeking a ** Software Engineer (C#)** to work for the ** Security Enterprise Solutions** **(SES)** business unit in **Vista, ... days onsite)_** As part of a cross-functional team, the ** Software Engineer (C#)** will develop and maintain...engineers to gain experience and contribute to technical solutions. ** Software Development and Security Compliance:** + Develop… more
    Leidos (11/05/25)
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  • Software Engineer TS/SCI

    CACI International (Santa Clara, CA)
    Software Engineer TS/SCI Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... ongoing basis. **The Opportunity:** Are you ready to apply your expertise in software development to help shape the future of mission-critical systems? Join our… more
    CACI International (12/09/25)
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  • Software Engineer (Mid Level)

    G2 Ops, Inc. (San Diego, CA)
    …benefits package. Years of Industry Experience: 3+ years of relevant experience. Security Clearance Requirement: Must be able to obtain and maintain ... Active DoD Secret Clearance . Where you make an impact: For this opportunity,...this opportunity, we are seeking a highly motivated, team-oriented Software Engineer . This exciting position will have… more
    G2 Ops, Inc. (12/04/25)
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  • Senior Software Engineer (Onsite)

    RTX Corporation (Fullerton, CA)
    …only US citizens are authorized to access information under this program/contract. ** Security Clearance :** None/Not Required Join a team whose impact stretches ... Avionics group has an exciting opportunity for a Senior Software Engineer to join our Air Traffic...software requirements/DO-178B standards. + Prior experience with cyber security implementation. **What We Offer:** + Flexible work weeks:… more
    RTX Corporation (12/05/25)
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  • Embedded Flight Software Engineer

    Actalent (Huntington Beach, CA)
    Embedded Flight Software Engineer MUST HAVE VXWORKS and ACTIVE CLEARANCE Job Description As a Software Developer, you will be a key member of the ... Software Team, contributing to the design, development, integration, and...schedule). + MUST be able to obtain a government security clearance If interested, apply! Job Type… more
    Actalent (01/06/26)
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  • TS/SCI High Band System Software Support…

    Insight Global (Beale AFB, CA)
    …to join their team at Beale AFB, CA. In this role, this High-Band System Software Support Engineer will be responsible for ensuring the optimal performance of IT ... hardware and software infrastructure, including servers, networks, and security systems, through systems analysis techniques and procedures. We are looking for… more
    Insight Global (11/01/25)
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