• Senior Linux Engineer

    CACI International (Chantilly, VA)
    Senior Linux Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage ... seeking a highly skilled and experienced Tier 3 Linux Engineer to join our team in support of Enterprise...with Polygraph. * Security+ or DoD 8570 IAT Level II Certification or be able to obtain certification within… more
    CACI International (08/03/25)
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  • Senior Security CCTV & Access Control…

    AECOM (Arlington, VA)
    …by our common purpose to deliver a better world. Join us. **Job Description** ** Senior Security Systems Design Engineer ** We are seeking an experienced and ... highly motivated ** Senior CCTV & Access Control Design Engineer **...projects. + Certifications such as PSP (ASIS), NICET Level II /III, BICSI, or manufacturer-specific design credentials. + Knowledge of… more
    AECOM (09/18/25)
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  • Senior DevSecOps Engineer - Cloud

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR DEVSECOPS ENGINEER - CLOUD (NAUT): Bowhead seeks a Senior DevSecOps Engineer - Cloud to support our customer on the Nautical contract ... PM Practitioner certification **CERTIFICATION REQUIREMENTS:** Required: DoD 8570 IAT Level II or III certification Desired: GIAC Security Essentials (GSEC), FITSP-D,… more
    UIC Government Services and the Bowhead Family of Companies (08/02/25)
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  • Critical Environments Operator II

    CyrusOne (Sterling, VA)
    Under the direction of the Sr Facility Manager this role works as a team member in an Operations & Maintenance organization that provides a variety of O&M services ... Center Operations & Maintenance environment. **Responsibilities:** + Responsible to the Sr . Facility Manager for effectively completing assigned tasks in the… more
    CyrusOne (10/24/25)
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  • Senior Network Engineer

    ManTech (Norfolk, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Network Engineer ** to join our team in **Norfolk, VA.** This is an **on-site** position ... + **Must hold one** of the following **IAT Level II Certifications** : CCNA Security, CySA+, GICSP, GSEC, Security+...7+ years of relevant work experience as a network engineer within a US Government environment, DoD strongly preferred… more
    ManTech (10/09/25)
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  • Senior Systems Engineer (S)

    SimIS Inc. (Dahlgren, VA)
    …listed position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a US Navy ... adherence + Serve as POC with government Contracting Officers, CORs, and senior military leadership + Use experience gained to manage complex technical programs… more
    SimIS Inc. (09/22/25)
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  • Cyber Systems Engineer Senior

    General Dynamics Information Technology (Springfield, VA)
    …turn into opportunity. And our work depends on TS/SCI level cleared **Cyber Systems Engineer lll - ECDS** joining our team to support our Intelligence customer in ... Description:** + GDIT is looking for a Cross Domain Engineer to lead the design of cross domain solutions;...application, system + DoD Information Assurance Technical (IAT) Level II + and network Cyber Security + Experience working… more
    General Dynamics Information Technology (09/30/25)
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  • Senior Systems Engineer

    Leidos (Springfield, VA)
    **Description** The Senior Systems Engineer will provide technical leadership and systems engineering expertise for the Enterprise Information Management Systems ... + Required certifications for privileged users (eg, DoD 8570/8140 IAM/IAT Level II or III certifications such as Security+, CISSP, CASP+, or equivalent). Preferred… more
    Leidos (10/28/25)
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  • Senior UNIX System Engineer

    TekSynap (Radford, VA)
    …**Experience** + Five (5) years as a UNIX Systems Administrator or IT Engineer , including task automation. + Three (3) years of experience in patch management ... waived for 30 days post-start. **Clearance** + Secret - IT- II Non-Critical Sensitive clearance or Tier 3 (T3) investigation...science or equivalent experience. **Overview** We are seeking a Senior UNIX System Engineerto join our team supporting an… more
    TekSynap (10/25/25)
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  • Senior Principal Cyber Security…

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer ** to join our team in the **Chantilly, VA.** ... and technical security guidance to information systems + DoD Directive 8570.1 IAT Level II or higher certification or ability to obtain within 6 months. + Splunk… more
    ManTech (10/24/25)
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