• ABBTECH Professional Resources, Inc. (Chantilly, VA)
    **Systems Engineer - Expert** **Location- Chantilly, Va** **Clearance- TS / SCI w/ FSP** **Salary- 185k-195k/yr** _The above salary range represents the range ... of **Terraform** for cloud orchestration across providers + Solid Linux experience: package management, navigating filesystems, running scripts, managing system… more
    DirectEmployers Association (10/15/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …of experience in network engineering, administration, or related IT roles. + Clearance: TS / SCI CI Poly + Required Skills: + Experience with network security, ... be more with us! Job Summary: We are seeking a skilled Systems Administrator/Network Engineer to join our mission-driven team. This position offers a broad scope of… more
    DirectEmployers Association (09/30/25)
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  • Linux Engineer

    Amentum (Chantilly, VA)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Linux Engineer ** to join our team of passionate individuals in **Chantilly, VA** . ... the Nation's security and intelligence mission. **Your Impact:** Our Linux Engineer will join a team of...flavors + Nginx + Certificate Management **Clearance Required:** + TS / SCI with poly **Minimum Education:** + Bachelors… more
    Amentum (10/01/25)
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  • 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 ... is seeking a highly skilled and experienced Tier 3 Linux Engineer to join our team in...tools, and best practices. **Qualifications:** _Required:_ * An Active TS / SCI Clearance with Polygraph. * Security+ or… more
    CACI International (11/01/25)
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  • Linux Engineer

    ManTech (Quantico, VA)
    …PostgreSQL. **Security Clearance Required** : + Must have a current/active Top Secret with the ability to obtain SCI . **Physical Requirements:** + Sedentary ... **MANTECH** seeks a motivated, career and customer-oriented ** Linux Engineer ** to support our current...to apply for a position with MANTECH, please email us at ###@mantech.com and provide your name and contact information more
    ManTech (10/31/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …Job Description Job Title: Linux Engineer Location: Chantilly, VA Eligibility: Top Secret / SCI clearance with current CI Polygraph required The Systems ... Linux Engineer Location: Chantilly, VA, US... Linux Engineer Location: Chantilly, VA, US Job ID: ATR...- Experience writing detailed, technical documentation -8570 Compliance -Active TS / SCI + CI Poly - Ability to… more
    Arena Technical Resources, LLC (10/25/25)
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  • Embedded Linux Software Engineer

    CACI International (Chantilly, VA)
    …and tools such as Git, Jenkins/GitLab CI, and Jira. **Desired:** + Active TS SCI + Experience supporting SIGINT, Electronic Warfare (EW), or defense ... Embedded Linux Software Engineer Job Category: Engineering...Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel… more
    CACI International (09/13/25)
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  • Linux Systems Engineer

    William C Brown Inc (Springfield, VA)
    …or any other characteristic protected by law. Description Our work depends on a TS / SCI cleared Linux Systems Engineer joining our team to support our ... Linux Systems Engineer EOE Statement We...work/military experience QUALIFICATIONS: 5+ years of related experience CLEARANCE:Active TS / SCI Clearance and eligibility to… more
    William C Brown Inc (09/25/25)
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  • Linux Engineer - TS

    General Dynamics Information Technology (Chantilly, VA)
    …ID:** RQ207328 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... (CE) Training within six (6) months of Hire Date. + **Security Clearance Level:** TS / SCI with Polygraph is required. Successful candidates are expected to have… more
    General Dynamics Information Technology (09/16/25)
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  • Linux Systems Engineer ( TS )

    Insight Global (Chantilly, VA)
    …Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements - TS Clearance with SCI Eligibility -Bachelor's ... Description Insight Global is looking for an experienced Systems Engineer to support a classified DoD client in Chantilly,...classified tenants. They will be responsible for ensuring the linux hosted applications are running smoothly, as well as… more
    Insight Global (09/27/25)
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  • Linux Systems Engineer - Active…

    ENS Solutions (Springfield, VA)
    …+ Bachelor's Degree and 6+ years of relevant experience. + Must have an Active TS / SCI ; willingness to obtain and maintain a CI Poly. Benefits Essential Network ... Security (ENS) Solutions, LLC is a service-disabled veteran owned, highly regarded IT consulting and management firm. ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of… more
    ENS Solutions (08/15/25)
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  • IT Engineer - Microsoft Enterprise Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …ID:** RQ203477 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... in systems administration, with demonstrated Tier 2 support capabilities. + **Active TS / SCI with Polygraph clearance.** + **Current DoD 8570 IAT Level… more
    General Dynamics Information Technology (10/14/25)
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  • Edge Information Systems Security…

    V2X (Springfield, VA)
    …responsibility, and professionalism. We are hiring an Edge Information Systems Security Engineer (ISSE) - active TS / SCI clearance to support our ... required to be onsite. The position requires an active Top Secret / SCI clearance and the...obtain and maintain a Counterintelligence (CI) Polygraph. The Edge Information System Security Engineer (ISSE) provides cybersecurity… more
    V2X (09/09/25)
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  • Systems Engineer - TS / SCI

    General Dynamics Information Technology (Chantilly, VA)
    …ID:** RQ203265 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... experience working with Agile Scrum based development team + Security clearance level: TS / SCI with Polygraph + **Desired skills:** + Assist with schema design,… more
    General Dynamics Information Technology (10/23/25)
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  • Network Engineer , TS / SCI

    General Dynamics Information Technology (Chantilly, VA)
    …ID:** RQ204483 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... based on security guidelines such as DISA STIGs **Security clearance level:** TS / SCI w/polygraph. **Location: On** Customer site in Chantilly, VA **GDIT… more
    General Dynamics Information Technology (10/31/25)
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  • Systems Engineer TS / SCI

    Parsons Corporation (Centreville, VA)
    …model, analyzing networking protocols using Wireshark **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required ... Parsons is seeking a highly skilled and motivated **Systems Engineer ** to join our dynamic team. In this role,...customer test environments **What Required Skills You'll Bring:** + ** Top Secret // SCI Security Clearance with… more
    Parsons Corporation (10/03/25)
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  • Principal Level Digital Signal Processing…

    Parsons Corporation (Chantilly, VA)
    …processing, communications, and signal localization challenges **Security Clearance Requirement:** An active Top Secret SCI security clearance is required ... seeking qualified candidates to fill a Digital Signal Processing Engineer (DSP) positions at our headquarters in Chantilly, VA....in Electrical Engineering, Computer Engineering or related discipline + TS / SCI is required + Minimum of 10… more
    Parsons Corporation (10/07/25)
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  • Senior Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …in Springfield, VA. The position is required to be onsite. The position requires an active Top Secret / SCI clearance and the ability to obtain and maintain a ... information systems as a systems administrator or systems engineer . + Demonstrated expertise in the following areas: +...The position requires US Citizenship and an active DoD Top Secret with SCI clearance… more
    V2X (11/04/25)
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  • Software Engineer TS / SCI

    Leidos (Alexandria, VA)
    …activities as a member of an agile development team. You must have an active/current TS / SCI Polygraph up front (this is firm). The development here includes the ... **Description** Leidos is looking for a Software Engineer to join a high performing agile team...**Security Clearance requirement:** + Candidates must possess an active ** TS / SCI with Polygraph** to be considered for… more
    Leidos (09/15/25)
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  • Software Engineer TS / SCI

    Leidos (Alexandria, VA)
    …activities as a member of an agile development team. You must have an active/current TS / SCI Polygraph up front (this is firm). The development here includes: + ... has a new and exciting opportunity for a **Software Engineer ** in our **National Security Sector's (NSS) Cyber &...**Security Clearance requirement:** + Candidates must possess an active ** TS / SCI with Polygraph** up frontto be considered… more
    Leidos (08/26/25)
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