• Systems Administrator II - Generalist…

    V2X (Springfield, VA)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Cross Domain - active ... to be onsite. The position requires an active Top Secret /SCI clearance and the ability to obtain and maintain...to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II Cross Domain supports… more
    V2X (11/14/25)
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  • Senior Linux Systems Administrator…

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & ... and more. Your role will involve configuring and managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity, and enhancing… more
    Leidos (09/26/25)
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  • Systems Engineer - Senior

    Amentum (Fort Meade, MD)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior Systems Engineer** to join our team of passionate individuals in **Ft. ... of new products and processes. **Responsibilities:** The duties and responsibilities of the Senior Systems Engineer include, but are not limited to, the… more
    Amentum (10/31/25)
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  • Senior Linux Systems Administrator

    The Boeing Company (Fairfax, VA)
    …Specialized United States Infrastructure Operations (SUSIO) group is currently seeking a ** Senior Linux Systems Administrator** to join the team in **Herndon, ... VA; Fairfax, VA;** or **Chantilly, VA** . As a Senior Linux Administrator, you will play a crucial role...infrastructure, ensuring the stability, security and efficiency of our systems . This is an excellent opportunity for a talented… more
    The Boeing Company (11/19/25)
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  • Mid to Senior Systems /Hardware…

    CACI International (Fort Meade, MD)
    Mid to Senior Systems /Hardware Engineer (VHDL) Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... plus (5+) years of industry experience + Current Top Secret /Secure Compartmented Information (TS/SCI) clearance with Poly + Bachelor's...languages (Java, C, C++, Ruby on Rails) and operation systems (Unix, Linux, Windows ). - ** **… more
    CACI International (11/20/25)
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  • Senior Systems Administrator

    Indigo IT, LLC (Washington, DC)
    Senior Systems Administrator Washington, DC SUMMARY: Founded in 2001, Indigo IT is an award winning information technology consulting and services company. We ... and performance of the system. Required Qualifications: + Active Secret Clearance + Minimum of five (5) years of...+ Communicate with vendors as needed. + Microsoft Certified Systems Engineer preferred. + Proficient in Windows more
    Indigo IT, LLC (11/12/25)
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  • Senior Software Engineer - Training…

    Butler America (Sterling, VA)
    …limited supervision * Provide engineering estimates * Contribute to software and systems engineering requirements capture and analysis * Travel to domestic and ... Experience with object-oriented programming concepts. Skills: * Prior experience with Windows Presentation Foundation (WPF) highly desired. * Excellent written and… more
    Butler America (09/02/25)
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  • Senior Software Engineer - Training System…

    RTX Corporation (Sterling, VA)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current ** Senior Software Engineer** **- Training System Software ... (Onsite)** We are currently searching for a Sr . Software Engineer to join our team in Sterling...business area. STS develops and builds simulators and training systems for both military and commercial customers. Devices range… more
    RTX Corporation (09/16/25)
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  • Cyber Systems Engineer - level 3 or 4

    Northrop Grumman (Dulles, VA)
    …+ Perform system vulnerability scanning, remediation, and patch management activities on Windows and Red Hat operating systems and various COTS/GOTS applications ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (11/18/25)
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  • Information Systems Security Officer (ISSO)

    Systems Technologies, Inc. (Hanover, MD)
    SYSTEMS SECURITY OFFICER (ISSO) The company is seeking junior, mid-level, and senior Information Systems Security Officers (ISSO) to provide SETA support in ... Information Systems Security Officer (ISSO) Location Hanover, MD Job...of experience + Mid-level: 5 years of experience + Senior : 7 years of experience DESIRED QUALIFICATIONS + Thorough… more
    Systems Technologies, Inc. (09/02/25)
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