• Exchange Engineer - Active

    ENS Solutions (Washington, DC)
    Our work depends on an Exchange Engineer joining our team to support Government activities in Washington, DC, Sterling, VA, or Annapolis Junction, MD As an ... Exchange Engineer supporting the Government, you will...production networks + Experience with PowerShell + Experience with Active Directory Benefits Essential Network Security (ENS) Solutions, LLC… more
    ENS Solutions (10/16/25)
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  • Principal Systems Engineer - active

    V2X (Suitland, MD)
    …Suitland, MD location. The position is required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to obtain and maintain ... responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS /SCI clearance...and services to include, but not be limited to, Active Directory, Exchange , Internet Information Services (IIS),… more
    V2X (11/15/25)
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  • SolarWinds Engineer

    System One (Alexandria, VA)
    …This is an on-site position at a federal end-customer location in Alexandria, VA. An active Top Secret clearance is required per federal requirements. An ... Month Contract to Hire On-Site, Alexandria, VA Federal End Client Top Secret Clearance required. An active Secret clearance may be upgraded to TS . W2… more
    System One (12/26/25)
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  • Requirements Engineer

    General Dynamics Information Technology (Springfield, VA)
    …RQ209188 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... and tomorrow is smarter. Our work depends on a TS /SCI cleared Requirements Engineer joining our team...& A/V Support + Exceptional interpersonal, client-facing skills + Active TS /SCI clearance and eligibility to obtain… more
    General Dynamics Information Technology (10/26/25)
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  • Software Engineer /Systems Administrator

    Cinteot (Springfield, VA)
    …Linux Administration experience Education: Bachelor (or 4 years additional experience) Security Clearance: Top Secret with SCI and Full Scope Poly Benefits: + ... Software Engineer / Systems Administrator (location: Springfield, VA) The...install, configure, troubleshoot, diagnose, and resolve problems with Microsoft Exchange , Microsoft Windows 2012 Server, and Active more
    Cinteot (11/06/25)
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  • Staff Information Security Engineer

    Zscaler (Mclean, VA)
    …control processes within the SCIF **Minimum Qualifications** + US citizenship and active US Top Secret ( TS ) clearance (must be maintained) + 5+ years in ... be more agile, efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by… more
    Zscaler (01/10/26)
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  • Staff Information Security Engineer

    Zscaler (Mclean, VA)
    …**What We're Looking for (Minimum Qualifications)** + US citizenship with an active US Top Secret ( TS ) clearance (must be maintained) + 5+ years of ... efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and...departments. We are looking for a Staff Information Security Engineer who will report to the Senior Manager of… more
    Zscaler (01/06/26)
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  • High Speed Guard Engineer

    System One (Springfield, VA)
    …Location: Springfield, VA Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Active TS /SCI High Speed Guard Engineer to support the ... products. + Engineer , design, and implement HSG rulesets. Required Qualifications: + Active TS /SCI Clearance + Ability to successfully pass and maintain a… more
    System One (12/26/25)
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  • Machine Learning Engineer

    William C Brown Inc (Springfield, VA)
    …Required Location Springfield Full-Time/Part-Time Full-Time Exempt/Non-Exempt Exempt Security Clearance Requirements Active TS / SCI Clearance. This position is ... safe and tomorrow is smarter. Our work depends on TS /SCI cleared Machine Learning Engineer joining our team to support our intelligence customer inSpringfield,… more
    William C Brown Inc (12/15/25)
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  • Operations Research Analyst/ Engineer

    JHNA (Alexandria, VA)
    …and proposals. Required Qualifications: + Candidate must be a US Citizen with an active Top Secret /SCI Clearance. + Education: Bachelors Degree from an ... Time Overview: JHNA is currently seeking a talented Senior Operations Research Analyst/ Engineer to support our OUSW government customer in Alexandria, VA. This… more
    JHNA (12/05/25)
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  • Systems Administrator II Generalist Sr (Windows…

    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 ... Senior Systems Administrator II Generalist - Windows Server - active TS /SCI clearance to support our government...Clearance Requirements: The position requires US Citizenship and an active DoD Top Secret with… more
    V2X (11/15/25)
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  • Senior Lead Engineer - Public Sector

    Lumen (Washington, DC)
    …customers to troubleshoot technical problems Candidate must be a US Citizen with an active Department of Defense TOP SECRET clearance **Compensation** This ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...will be able to rapidly identify and resolve problems, engineer , identify, and become proficient in the latest technology… more
    Lumen (01/09/26)
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  • Senior Cybersecurity Engineer

    ManTech (Washington, DC)
    …CCIE Certification **Clearance Requirements:** + Must be a US Citizen and possess an active or current Top Secret clearance. **Physical Requirements:** + ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Cybersecurity Engineer ** to join our team working in the **Washington, DC Navy Yard.** This is a… more
    ManTech (10/30/25)
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  • Federal Incident Response Lead (Principal…

    Zscaler (Mclean, VA)
    …We're Looking for (Minimum Qualifications)** + **US Citizenship and an active US Secret Security Clearance ( Top Secret preferred), with a willingness to ... be more agile, efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by… more
    Zscaler (01/11/26)
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  • Federal Security Platforms Lead (Principal…

    Zscaler (Mclean, VA)
    …We're Looking for (Minimum Qualifications)** + **US Citizenship and an active US Secret Security Clearance ( Top Secret preferred), with a willingness to ... be more agile, efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by… more
    Zscaler (01/11/26)
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  • Staff Site Reliability Engineer -Federal,…

    Zscaler (Mclean, VA)
    …services within classified environments **What We're Looking for (Minimum Qualifications)** + ** Active Secret Security Clearance required and must be maintained ... levels and monthly + Information Assurance Technician Level 2 certification and Top Secret security clearance \#LI-Onsite \#LI-YC2 Zscaler's salary ranges are… more
    Zscaler (11/12/25)
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  • High Speed Guard Engineer

    CACI International (Springfield, VA)
    …** Engineer , design, and implement HSG rulesets.** **Qualifications:** **_Required:_** ** Active TS /SCI Clearance with the ability to successfully pass ... High Speed Guard Engineer Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up… more
    CACI International (12/01/25)
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  • AI/ML Software Engineer

    Frontier Technology Inc. (Washington, DC)
    …environments. + Knowledge of Infrastructure-as-Code (Terraform, CloudFormation, or CDK). + Active Secret clearance ( TS /SCI preferred). + Bachelor's ... people, process, and technology. FTI is seeking a Software Engineer to design, build, and deploy secure, scalable software...outputs into runtime systems. + Work with serialization and exchange formats such as JSON, Protobuf, GeoJSON, or KML.… more
    Frontier Technology Inc. (12/17/25)
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  • Cloud Support Engineer

    ManTech (Vienna, VA)
    …Google Workspace or Microsoft Office collaboration tools **Clearance Requirements:** + An active /current TS /SCI with Polygraph is required for this position. ... **MANTECH** seeks a skilled and mission-focused **Cloud Support Engineer (CSE)** to join our team in **Tysons, VA.** The Cloud Support Engineer will support… more
    ManTech (01/07/26)
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  • Software Engineer API Developer

    SAIC (Washington, DC)
    …and contributing to the strategic vision of the MARS program **Qualifications** + Active TS /SCI with Polygraph + One of the following certifications: Certified ... **Description** SAIC is seeking **Software Engineer API Developers** to join the Machine-assisted Analytic...+ Strong understanding of API gateway technologies and data exchange protocols Target salary range: $80,001 - $120,000. The… more
    SAIC (01/06/26)
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