• Infrastructure Engineer T3

    CACI International (Sterling, VA)
    …in mission environments + Apply expert knowledge of UNIX, Linux , and Windows systems and networking + Coordinate system changes with ISSO and ISO, and ... SA experience may substitute for degree) + 10 years of experience as a System Administrator supporting complex programs and environments + 6 years of experience… more
    CACI International (11/25/25)
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  • Enterprise Logging Solution (ELS) Lead

    Tyto Athene (Ashburn, VA)
    …Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems ... . + Administer and optimize enterprise IT applications and systems in Windows and Linux environments. +...operations or compliance-driven environments. **Desired:** + Certified Splunk Architect ( II ) + CISSP - Certified Information Systems more
    Tyto Athene (11/01/25)
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  • Security Software Engineer - Red Team Penetra

    Imagine One Technology & Management (Dahlgren, VA)
    systems to mitigate known vulnerabilities. + Operate and administrate computer systems running HP-UX, UNIX, Solaris, Linux and Microsoft Windows. + Identify ... improving software and code design. + Contribute to a System Security Administrator and Operators Manual (SSAOM)....systems . + Five (5) Years experience in: 1. Linux - firm grasp/demonstrated knowledge 2. Associated Training: COMPTIA… more
    Imagine One Technology & Management (09/24/25)
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  • Principal Electromechanical Engineer

    Northrop Grumman (Aurora, CO)
    …Server 2016 + Linux : Linux +, LPIC-1, or Red Hat Certified Systems Administrator + Cisco Certified Network Associate (CCNA) + The ideal candidate would ... with experience applying electrical, electronic and mechanical principles to components and systems . The role will include decomposing system level requirements,… more
    Northrop Grumman (09/20/25)
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  • Principal OR Sr. Principal Electronics Engineer…

    Northrop Grumman (Oak Harbor, WA)
    …test equipment: network analyzers, spectrum analyzers, signal generators + MPO/TC operator system knowledge + System Administrator experience + Operations ... 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 (10/29/25)
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  • Flight Simulation Technician / J-Neeo / Nellis AFB

    Lockheed Martin (Nellis Air Force Base, NV)
    …and adapt to changing priorities in a fast\-paced environment\. * Experience with Linux system administration\. * Strong troubleshooting skills in both hardware ... Security\+\. * Experience in Joint Simulation Environment \(JSE\), preferably as a Systems Administrator \. * Previous experience with operating and maintaining… more
    Lockheed Martin (11/09/25)
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  • Cyber Infrastructure Support

    Leidos (Omaha, NE)
    …Security team, within the Digital Modernization sector, currently has an opening for a ** Systems Administrator ** in our Omaha NE office. This position is an ... a heterogeneous environment. We use a wide array of Linux and Windows systems in a tightly...+ Current DoD 8140/8570 compliant IA certification for IAT II (Security+ce or higher) + Must hold current Secret… more
    Leidos (11/09/25)
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  • Senior Network Services Engineer (IT…

    CUNY (New York, NY)
    …critical infrastructure and be responsible for the access and protection of sensitive data, systems , and networks. May lead a team or participate in a team in ... wireless LAN, WAN/MAN, firewalls, load balancers, IPAM, and optical systems . + Establish and maintain configuration standards and reusable templates;… more
    CUNY (10/30/25)
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  • IT Infrastructure and Security Response Engineer…

    CUNY (Brooklyn, NY)
    …critical infrastructure and be responsible for the access and protection of sensitive data, systems , and networks. May lead a team or participate in a team in ... required experience in "1," "2" or "3" above: **A.** Certified Information Systems Security Professional (CISSP) issued by ISC2; **and/or** **B.** Certified Scrum… more
    CUNY (10/22/25)
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  • Principal OR Senior Principal Payloads Field…

    Northrop Grumman (Jacksonville, FL)
    …test equipment: network analyzers, spectrum analyzers, signal generators + MPO/TC operator system knowledge + System Administrator experience + Operations ... 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 (10/29/25)
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