• Senior System Integrator Engineer (TS/SCI)

    Vexterra Group (Bethesda, MD)
    Vexterra Group is currently searching for a Senior Systems Integrator Engineer to provide the following systems support in Reston VA or Bethesda, MD ... and O&M team members on the following key tasks: DUTIES * Perform Linux builds, installs, configuration, administration, and troubleshooting of both Linux and… more
    Vexterra Group (10/14/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    …environments, with a focus on high-assurance systems . This senior -level position involves architecture support , advanced troubleshooting, security ... Senior System Administrator Job Category: Information Technology Time...oversight across a range of IT platforms including UNIX, Linux , and Windows systems . The ideal candidate… more
    CACI International (10/30/25)
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  • Senior Information Security Engineer…

    Lumen (Annapolis, MD)
    …in the US **The Main Responsibilities** + Design, deploy, troubleshoot, and support technologies that monitor network and host systems -both on-premises and ... Detection and Response (NDR). + Minimum 2 years of experience in Linux system administration, virtualization, configuration, and support within a security… more
    Lumen (11/15/25)
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  • Principal OR Senior Principal Field Service…

    Northrop Grumman (Millersville, MD)
    …Northrop Grumman Aeronautics Systems is looking to add a **Principal OR Senior Principal Field Service Engineer - Network and Communications** to join our team ... support of the MQ-4C Triton network and communications systems at a Forward Operating Base (FOB). **Duties and...Service Engineer - Network and Communications level or the Senior Principal Field Service Engineer - Network and Communications… more
    Northrop Grumman (09/17/25)
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  • 339 - Senior Network Engineer

    ARSIEM (Laurel, MD)
    …matte expertise and understanding of the system; + Build and maintain complex Linux systems hardened to meet operational standards; + Provide installation, ... of our government clients in Laurel, MD. Responsibilities + Provide network and systems administrator support to the Defensive Network Operations (DNO) program… more
    ARSIEM (11/04/25)
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  • Information Systems Security Officer (ISSO)

    Systems Technologies, Inc. (Hanover, MD)
    …OFFICER (ISSO) The company is seeking junior, mid-level, and senior Information Systems Security Officers (ISSO) to provide SETA support in Hanover, MD. ... 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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  • Principal/ Senior Principal DevOps Platform…

    Northrop Grumman (Annapolis Junction, MD)
    …PhD and 0+ years of relative experience. + Strong understanding of Linux systems , automation frameworks, and networking fundamentals + Experience working ... PhD and 3+ years of relative experience. + Strong understanding of Linux systems , automation frameworks, and networking fundamentals + Experience working… more
    Northrop Grumman (11/06/25)
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  • Senior Lead DevOps Engineer - Automation…

    Lumen (Annapolis, MD)
    …as we digitally connect the world and shape the future. **The Role** The Sr Lead DevOps Engineer understands the software development lifecycle (from coding to ... support ) and has the understanding of various automation tools...Familiar with all aspects of MV* frameworks. + Advanced Linux admin and programming skills. + Familiar with the… more
    Lumen (11/15/25)
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  • Senior DevOps Engineer - Partial Telework

    GliaCell Technologies (Columbia, MD)
    …apply if you currently do not possess this level of clearance. Are you a Senior -Level DevOps Engineer who is ready for a new challenge that will launch your career ... in the latest technologies. + We will develop and support your own personalized training program to continue your...amazingly talented people Job Description: GliaCell is seeking a Senior -Level DevOps Engineer on one of our subcontracts. This… more
    GliaCell Technologies (08/23/25)
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  • Senior CNO Developer

    ManTech (Annapolis Junction, MD)
    …Python, C, and Assembly. + Deep expertise in managing, configuring, and troubleshooting Linux . + Experience in embedded systems . + Experience in reverse ... MANTECH seeks a motivated, career and customer-oriented ** Senior CNO Developer** **​** to join our team...to analyze, reverse-engineer, and develop mission-critical capabilities that directly support national security objectives. You will be a key… more
    ManTech (08/24/25)
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