• Senior Systems Administrator (Unix/ Linux)

    First Division Consulting (Dahlgren, VA)
    …and configuration of hardware, operational systems , and COTS software. + Operating systems in different environments and performance tuning. + Expertise in ... + Six (6) years of professional experience in Unix/Linux system administration for networks and software systems ....with SCI eligibility. + One of the following IT certifications : + CASP+ (CompTIA Advanced Security Practitioner) + CCNP… more
    First Division Consulting (06/19/25)
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  • Senior Information System Security Engineer

    ManTech (Chantilly, VA)
    …existing network system (s). Ensure that the design of hardware, operating systems , and software applications adequately address cybersecurity requirements ... IASAE Level III certifications or one of the following certifications : Certified Information Systems Security Professional (CISSP) (or Associate), CompTIA… more
    ManTech (07/03/25)
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  • Service Systems Specialist III

    Albireo Energy, LLC (Sterling, VA)
    systems . Performs point to point check out to verify that controls systems have been installed properly. Completes assigned system commissioning and performs ... Building Automation projects, to include: + Perform start up, checking, testing, system diagnostics and commissioning from system -level controllers to end… more
    Albireo Energy, LLC (08/12/25)
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  • Desktop Systems Engineer 2

    GovCIO (Richmond, VA)
    …maintenance, repair, upgrades, enhancements, and configuration of hardware, software and operating systems in an inter-networked environment. + Experienced with ... **Overview** GovCIO is currently hiring for a Desktop Systems Engineer 3 for our NLM proposal. The...and COTS desktop hardware being used at NLM. + Certifications :A+ certification is required (*). An MCSA… more
    GovCIO (05/21/25)
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  • Systems Engineer (Windows)

    CACI International (Herndon, VA)
    …support to those systems . + Strong recent experience in Windows platform operating systems (Windows 10/Server 2016-2019) + Strong knowledge of Windows Active ... or program status. Immediate response may be required to restore or maintain system functionality. Systems Engineer must possess Local Area Network (LAN) skills;… more
    CACI International (08/02/25)
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  • Senior Mainframe Systems Programmer…

    Ensono (Richmond, VA)
    …may include partial support of technology silos related to several areas such as: + Operating systems z/OS, Z/VM, Z/Linux + Network systems , CICS, MQ, ... Senior Mainframe Systems Programmer - Network-2Remote - United StatesJR012061 **Senior...expert technology adviser and managed service provider with cross-platform certifications , Ensono empowers our clients to keep up with… more
    Ensono (07/26/25)
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  • Cyber Systems Administrator

    Serco (Langley AFB, VA)
    …desired experience and skills:** + Minimum of 3 years of systems administration experience + Experience configuring, operating , monitoring, maintaining, ... **Position Description** Serco seeks a **Cyber Systems Administrator** to maintain and troubleshoot computer ...other sites. **In this role, you will:** + Operate system & software configuration, system imaging, networking,… more
    Serco (07/18/25)
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  • Systems Engineer (DHS)

    SimIS Inc. (Suffolk, VA)
    …sensors, UAS, tunnel detection systems , and ground-based sensors. The Systems Engineer develops system architectures, performs integration analysis, and ... engineering experience with surveillance and detection technologies + CSEP (Certified Systems Engineering Professional) certification preferred + Ability to… more
    SimIS Inc. (07/11/25)
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  • ISSO - Information System Security Officer…

    Watershed Security (Portsmouth, VA)
    …security for compliance of applications; security of computer network hardware; operating system utility/support software; disaster recovery; incident response; ... DESCRIPTION Watershed Security is looking for an Experienced Information System Security Officer (ISSO) to join our growing team...Systems , Computer Engineering, or other related discipline. + Certifications : + Level 1/2 CGRC or CASP+ or CCISO… more
    Watershed Security (07/23/25)
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  • Systems Engineer - TS/SCI with Polygraph

    General Dynamics Information Technology (Chantilly, VA)
    …and networks. + Demonstrated experience installing, configuring, testing, and maintaining operating systems , application software, and system management ... + Demonstrated experience working within cloud computing environments, Linux and Unix-based operating systems , and using ElasticSearch and Kibana. + Demonstrated… more
    General Dynamics Information Technology (08/09/25)
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