• Senior Software Engineering Manager - CTJ…

    Microsoft Corporation (Reston, VA)
    …to ensure services and systems are highly stable, meet performance Service Level Agreements, and meet the expectations of internal and external customers and ... Defender team is responsible for delivering a constantly evolving set of services and solutions to meet the challenging landscape of our ever-evolving attackers.… more
    Microsoft Corporation (10/23/25)
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  • Senior Systems Engineer

    GovCIO (Fairfax, VA)
    **Overview** GovCIO is currently hiring for a Senior Systems Engineer with an active Secret clearance to provide administration and tier 3 operational support for ... Support customer Active Directory domains to include user account management and Group Policy troubleshooting. + Provide effective provisioning,… more
    GovCIO (10/31/25)
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  • Senior Security Manager

    Leidos (Chantilly, VA)
    …Security Operations is seeking a proven, experienced security professional for a Senior Security Manager, to lead a multi-functional team and manage a portfolio ... Responsibilities *This leader will be responsible for the security oversight and management of trusted security support for multiple contracts ensuring the proper… more
    Leidos (10/28/25)
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  • Senior Pricing Analyst

    Leidos (Reston, VA)
    …Leidos National Security Sector (NSS) has an immediate opening for an experienced Senior Pricing Analyst to join our team of dedicated pricing professionals. This ... with each functional area including contracts, subcontracts & procurement, capture management , finance, and technical estimators to produce of a fully compliant,… more
    Leidos (10/22/25)
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  • Senior Mechanical Preventive Maintenance…

    Leidos (Springfield, VA)
    **Description** We are seeking a detail-oriented Senior Mechanical Preventive Maintenance Technician to join our facilities maintenance team. The ideal candidate ... safety standards and OSHA regulations. + Familiarity with computerized maintenance management systems (CMMS). + Technical diploma, certification, or equivalent in… more
    Leidos (10/03/25)
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  • Senior Contracts Manager

    Leidos (Reston, VA)
    **Description** Leidos currently has an opening for an experienced Senior Contracts Manager on the Decision Advantaged Solution Business Area contracts team within ... candidate will report to the Contracts Director and support all contract management activities for a diverse portfolio of contracts. Primary Responsibilities Provide… more
    Leidos (09/30/25)
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  • Senior IT Technical Trainer

    GovCIO (Arlington, VA)
    **Overview** GovCIO is currently hiring for a Senior IT Technical Trainer with an active Secret clearance to plan, develop, and implement technical product or system ... Requires prior technical subject matter knowledge and experience. + Confers with management , employees, and clients to gain knowledge of work situations requiring… more
    GovCIO (09/03/25)
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  • Senior Contracts Manager

    Leidos (Reston, VA)
    **Description** Leidos currently has an opening for an experienced Senior Contracts Manager on the Decision Advantaged Solution Business Area contracts team within ... candidate will report to the Contracts Director and support all contract management activities for a diverse portfolio of contracts. Primary Responsibilities Provide… more
    Leidos (08/24/25)
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  • Senior Linux System Administrator

    GovCIO (Richmond, VA)
    …standard Linux administration duties will be included in this role. + Senior -level RedHat Linux server administration experience, experience with other Linux OS ... server + A good understanding of system administration tasks, package management (RPM, Yum) modules building process, and deployment + Experience implementing… more
    GovCIO (08/08/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …Our performance standard is "excellence," with an outcomes-based, quality focus in our services and products, guided by our core values of honesty (in word and ... importance of others (work and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the Warfare Analysis and… more
    SimIS Inc. (08/07/25)
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