• Senior Associate, Info Security…

    L3Harris (Broomfield, CO)
    …sea and cyber domains in the interest of national security. Job Title: Senior Associate, Information Security Systems Engineer Job Code: 31042 Job Location: ... Boulder/North Denver, CO Job Schedule: 9/80 Job Description: Applies current systems security engineering methods, practices and technologies to the architecture,… more
    L3Harris (11/12/25)
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  • Senior Systems Engineer, AWS Managed…

    Amazon (Herndon, VA)
    …and efficiency to operate AWS Regions. Amazon is looking for highly motivated Senior Systems Engineers who can balance the day-to-day operations of AWS' ... the forefront. Basic Qualifications - 8+ years of relevant systems engineering, or systems administration ...Engineering (SRE) or Enterprise Production experience in Windows / Linux or similar environments - 3+ years' experience operating… more
    Amazon (09/09/25)
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  • Systems Engineer, Senior

    CymSTAR LLC (Tulsa, OK)
    …tools such as GIT and Subversion. Usage of Microsoft Windows and Linux Operating Systems . Understanding of computer networking concepts. Proficiency with ... schedule. Plan, organize, lead, and participate in (1) the elaboration of top-level systems , software, and hardware designs into the detail design level and (2) the… more
    CymSTAR LLC (11/04/25)
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  • Senior Systems Administrator

    Greene Tweed (Lansdale, PA)
    …with Greene, Tweed. **Essential Duties/Responsibilities** : + Support the development and administration by acting as an SME for Entra ID to support account ... core services and supporting infrastructure. + Administer and maintain Windows and Linux servers in a mixed hybrid (AWS, Azure) enterprise environment consisting of… more
    Greene Tweed (11/25/25)
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  • Senior Associate Systems Operations…

    NTT America, Inc. (Salt Lake City, UT)
    …+ Ability to use and operate virtualized environments to support virtualized systems (Windows and Linux ) + Perform regular system maintenance, including ... as a Systems Administrator, with a focus on implementation, and administration . + Knowledge of systems , including servers, storage, and virtualization… more
    NTT America, Inc. (11/20/25)
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  • Senior Information Systems Security…

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Information Systems Security Officer (ISSO) in our **National Security Sector's (NSS) ... cross-discipline resolutions via CCBs and design reviews. + Experienced in Linux /Windows system administration , RF system configuration, FORNSAT, Tactical… more
    Leidos (10/16/25)
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  • Systems Administrator - Senior

    CACI International (O'Fallon, IL)
    …financial auditability and transportation logistics? We're seeking a successful, experienced Senior Systems Administrators to join our team in implementing ... Systems Administrator - Senior Job Category:...investigation upon hire + Expert knowledge of various operating systems (eg, Windows Server, Linux , Unix) +… more
    CACI International (11/08/25)
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  • Senior Network Engineer

    BAE Systems (Sterling, VA)
    …) issues and software development. + Proven success working as a DEVOPs systems engineer and technical admin . + Agile Methodology and continuous improvement ... **Job Description** BAE Systems , a top-ten prime contractor to the US...be available based on position level and/or job specifics. ** Senior Network Engineer** **117838BR** EEO Career Site Equal Opportunity… more
    BAE Systems (10/31/25)
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  • Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …the listed position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a ... systems and training environments Experience Required: + Eight (8) years of systems administration experience with three (3) years in leadership roles +… more
    SimIS Inc. (09/22/25)
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  • Senior Systems Administrator

    Insight Global (Milpitas, CA)
    …One of our esteemed clients in the quantum computing space is seeking a Senior Systems Administrator to join their innovative team. In this role, you'll ... Skills and Requirements - 8+ years of experience in systems administration , with a strong focus on...and cloud technologies. - Deep expertise in Windows Server, Linux (Ubuntu, CentOS), Nutanix, and AWS. - Proficient in… more
    Insight Global (11/05/25)
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