• Sr. Specialist Cyber Infrastructure

    L3Harris (Carlsbad, CA)
    …and air-gapped systems . The engineer will design, implement, and secure infrastructure aligned with DoD Collateral requirements, DISA STIGs, NIST RMF, and FIPS ... of progressive IT and security experience, with a proven record in systems administration, cybersecurity engineering, and secure infrastructure management. +… more
    L3Harris (01/02/26)
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  • Systems Administrator Senior

    Lockheed Martin (Fayetteville, NC)
    **Description:** You will be the Systems Administrator Senior for our team\. Our team is responsible for delivering elite IT services-including hardware and ... Forces within a DoD‑approved enclave\. **What You Will Be Doing** As the Systems Administrator Senior , you will be responsible for provisioning, installing,… more
    Lockheed Martin (12/18/25)
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  • Senior Network and Computer Systems

    NANA Regional Corporation (South Burlington, VT)
    We are seeking an experienced Senior Network and Computer Systems Administrator to lead the administration, security, and optimization of the USCIS enterprise IT ... levels of responsibility. + Expertise in Windows Server administration, Linux systems (Red Hat/CentOS), and Active Directory infrastructure . + Proficiency… more
    NANA Regional Corporation (01/09/26)
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  • Senior Systems Engineer

    Robert Half Technology (Oakland, CA)
    Description Overview We're looking for a Senior Systems Engineer to lead the design, implementation, and support of enterprise infrastructure across ... on-premises, cloud, and hybrid environments. This role serves as a senior technical resource for escalations, ensures systems are secure and scalable, and… more
    Robert Half Technology (01/06/26)
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  • Sr. Cloud/ Infrastructure Engineer (Hybrid)

    DXC Technology (Charleston, SC)
    **Job Description:** ** Senior Cloud/ Infrastructure Engineer (Hybrid )** **Location:** **Charleston, SC, US** We are seeking an experienced **Sr Cloud and ... Systems Engineer** to design, implement, and operate our hybrid cloud and on-premises infrastructure . This role requires deep expertise across cloud platforms as… more
    DXC Technology (11/21/25)
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  • Senior Manager/ Systems Architect

    CACI International (Bethesda, MD)
    Senior Manager/ Systems Architect Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... Infrastructure Library (ITIL) Framework, high availability, and enterprise infrastructure . + Demonstrated experience creating secure applications systems more
    CACI International (12/11/25)
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  • Senior Systems Engineer…

    M. C. Dean (Vienna, VA)
    …components of our cybersecurity infrastructure . As part of the team, the ** Senior Systems Engineer** 's responsibilities will include (but will not be ... components; + **Producing detailed system design** , including network and systems infrastructure , interconnections, and application configuration to implement… more
    M. C. Dean (11/26/25)
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  • Senior Systems Administrator…

    NANA Regional Corporation (Albuquerque, NM)
    We are seeking an experienced Senior Systems Administrator - Server Operations Lead to support a mission-critical IT security program within a Federal Government ... DOE Q clearance or equivalent is required for consideration. + Minimum 3 years as a Senior Systems Administrator within the last 5 years. + 10+ years (MA/MS) or… more
    NANA Regional Corporation (11/14/25)
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  • Senior Systems (MEP) Superintendent

    Clark Construction Group, LLC (Manassas, VA)
    As a Senior Systems (MEP) Superintendent, you will leverage your capacity for innovation and problem-solving to lead field operations to ensure an exceptional ... close out to include Low Voltage, Security, Fire Protection Systems , Controls and all critical MEP Systems ...at their best + A proven people leader with senior level experience in attracting, developing, and engaging diverse… more
    Clark Construction Group, LLC (12/21/25)
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  • Sr Infrastructure & Cybersecurity Architect

    OSI Digital (Irvine, CA)
    …FT Location: Orange County, CA Onsite Role Summary We are seeking a senior -level IT Generalist with strong expertise in infrastructure , cybersecurity, and AI ... lead the design, implementation, and operation of secure, scalable enterprise infrastructure while supporting AI and GenAI workloads. The ideal candidate combines… more
    OSI Digital (12/31/25)
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