• IT Systems Engineer

    ManTech (Chantilly, VA)
    …required for A&A IAW ICD 503. + Experience with Windows administration, Active Directory , administrative scripting languages, and the integration, deployment, ... the ability to travel domestically. **Clearance Requirements:** + Must have a current/ active TS /SCI w/Polygraph. **Physical Requirements:** + Must be able to… more
    ManTech (11/19/25)
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  • Senior Network Engineer

    Nightwing (Herndon, VA)
    …matter expert for business development / proposal efforts **What You Bring:** + Active TS /SCI with Polygraph + Bachelor's Degree in Information Technology, ... Rapid7, XACTA, Splunk, Snort, Wireshark + Database/Ops: MySQL, Oracle, SQL Server, Active Directory , Exchange + Forensics/Pen Testing: Encase, FTK, IDAPro,… more
    Nightwing (12/16/25)
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  • Physical Security Engineer 4

    M. C. Dean (Chantilly, VA)
    …pursuant to a government contract, this specific position requires US Citizenship, ** ACTIVE TS /SCI w/ Polygraph clearance is REQUIRED** **Education:** + ... and cybersecurity industries. We are seeking a **Physical Security Engineer 4** to join our **Security and Electronic Systems...with ATO processes + Requires advanced knowledge of Windows active directory hierarchy and implementation. + Strong… more
    M. C. Dean (10/23/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    …standards (eg, STIGs, CIS Benchmarks) **Clearance Requirements:** + Must have a current/ active TS /SCI with Polygraph **Physical Requirements:** + The person in ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA** . Senior Cyber Security… more
    ManTech (12/11/25)
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  • Systems Engineer (SME)

    Leidos (Bethesda, MD)
    …virtual and physical. **Basic Qualifications:** + Must be a US citizen and have an active TS /SCI with a polygraph + Expert applying expertise and supporting a ... has a new and exciting opportunity for a Systems Engineer - SME in our **National Security Sector's (NSS)...to deliverables and meeting performance metrics. + Expert with active directory , windows servers, and virtualization technologies… more
    Leidos (12/11/25)
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  • Senior Network Deployment Engineer

    ManTech (Chantilly, VA)
    …Windows 2008/2012/2016/2019 Servers; Microsoft Windows 10; administering Microsoft Exchange, Active Directory , and workstation and server hardware; administering ... manage multiple tasks and prioritize effectively. **Clearance Requirements:** + Must have a current/ active TS /SCI and be willing and able to obtain a polygraph… more
    ManTech (11/26/25)
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  • Systems Engineer

    Leidos (Chantilly, VA)
    …+ Creating and working in an enclave + PKI experience + VMware + Active Directory + MySQL experience If you're looking for comfort, keep scrolling. ... Leidos Intelligence Group is seeking a highly technical Systems Engineer to support an enterprise IT program.This work is...in small groups. **Basic Qualifications** + Must have a TS /SCI with Poly to be considered + Must have… more
    Leidos (12/26/25)
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  • Lead Systems Engineer

    ManTech (Chantilly, VA)
    …policies, network objects, isolation, andmicro-segmentation **Clearance Requirements:** + Must have an active DoD TS /SCI with the ability to obtain a polygraph. ... **MANTECH** is seeking a motivated, career and customer-oriented Lead Systems Engineer to join our team in Chantilly, VA. This is a position will be managing and… more
    ManTech (12/17/25)
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  • Lead IT Systems Engineer

    ManTech (Chantilly, VA)
    …experience and an Associate's degree. **Clearance Requirements:** + Must have a current/ active TS /SCI w/Polygraph. **Physical Requirements:** + Must be able to ... **MANTECH** seeks a motivated, career and customer-oriented **Lead IT Systems Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but are… more
    ManTech (12/03/25)
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  • System Administrator

    BAE Systems (Washington, DC)
    …national security and keep people safe. **Required Education, Experience, & Skills** + Active DoD Top Secret DoD Clearance + Workingfull-time on-siteat ... environment. In this role you will support a Microsoft Active Directory environment with day-to-day administration and...defense, aerospace, and security solutions. As one of the top ten defense contractors, we employ a skilled workforce… more
    BAE Systems (12/23/25)
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