• Sr. O&M Network Engineer

    Leidos (Chantilly, VA)
    **Description** The Digital Modernization Sector at Leidos is seeking a Tier III O&M Network Engineer to support the customer's various wide area networks (WANs) ... routing technologies across multiple vendors. The job duties of Tier III O&M Network Engineer are as follows: +...technical exchange meetings to help resolve other ISP and application owner issues. + Support problem management… more
    Leidos (12/02/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Langley, VA)
    …provide on-site and remote resolution support for trouble calls, and provide TIER 2 /3 support of Unix/Windows workstations and servers, including Web ... servers, network attached storage devices, and stored data in support of business processing requirements. Job Duties: * Systems...of the client/server/storage/network devices, mobile devices, etc. * Provide Tier 2 and Tier 3… more
    Arena Technical Resources, LLC (01/17/26)
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  • Systems Administrator

    William C Brown Inc (Springfield, VA)
    …provide on-site and remote resolution support for trouble calls, and provide TIER 2 /3 support of Unix/Windows workstations and servers, including Web ... all of the client/server/storage/network devices, mobile devices, etc.* Provide Tier 2 and Tier 3...Tier 3 problem identification, diagnosis and resolution* Provide support for the escalation and communication of status to… more
    William C Brown Inc (01/13/26)
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  • Network Administrator

    Idea Entity (Rustburg, VA)
    …+ Participate in the design of information and operational support systems + Provide Tier 1 (onsite/help desk), Tier 2 (subject matter support ), and ... This role requires expertise in secure and cyber-safe principles that support our organization's critical platforms while ensuring robust cybersecurity measures are… more
    Idea Entity (12/06/25)
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  • Manager, Vendor Relationship Management

    Cardinal Health (Richmond, VA)
    …delivery teams. **Responsibilities** + **Governance Execution** + Manage day-to-day governance cadences across Tier 1 and Tier 2 relationships (eg, meeting ... vendor performance. **Job Summary** The Manager, Vendor Relationship Management will support Cardinal Health's Global Business & Finance Services (GBFS) governance… more
    Cardinal Health (01/14/26)
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  • Enterprise Monitoring Engineer

    SAIC (Springfield, VA)
    …the observability platform. + Provide training and mentorship to Tier 1 and Tier 2 support teams. + Ensure platform resilience, availability, and ... promotes best practices in observability. **Key Responsibilities:** + Serve as the Tier 3 escalation point for issues related to any of the monitoring/observability… more
    SAIC (12/05/25)
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  • IT Vista Technical Analyst for EMCOR Construction…

    EMCOR Group (Mclean, VA)
    support groups at our 50+ Operating Companies **.** Reporting to the Vista Technical Support Manager, this position will troubleshoot Tier 1 through Tier ... security technology available today. The ECS headquarters team provides key support for its electrical and mechanical companies, including finance and accounting,… more
    EMCOR Group (11/19/25)
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  • Desktop Image Management - Azure VDI or Citrix DOD…

    Tesla Laboratories. Inc. (Vienna, VA)
    …Top Secret Clearance with SCI eligibility. This role is required to provide exceptional Tier 1- Tier 3 support , managing complex customer issues with a ... Desktop environments, ensuring high availability, performance, and security compliance. + Technical Support & Problem Resolution: Deliver outstanding Tier 1 - … more
    Tesla Laboratories. Inc. (12/10/25)
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  • Linux Engineer - TS/SCI with Polygraph

    General Dynamics Information Technology (Chantilly, VA)
    …Provide remote end user support and remotely work with and train geographically disperse Tier 2 and Tier 3 team members + Communicate effectively (in ... and Operations **Skills:** Linux Environments,Red Hat Ansible,System Administration **Experience:** 2 + years of related experience **US Citizenship Required:** Yes… more
    General Dynamics Information Technology (01/14/26)
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  • Senior Specialist, Integration and Test…

    L3Harris (Herndon, VA)
    …Integration & Test Engineer, you will be on the team responsible for providing Tier 3 support to the Surveillance and Broadcast Services System (SBSS). This ... field technicians, and the customer. Essential Functions: + Provide daily Tier III engineering support (troubleshooting complex operational issues, performing… more
    L3Harris (01/18/26)
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