• Zscaler (Washington, DC)
    …and change control processes within the SCIF **Minimum Qualifications** + US citizenship and active US Top Secret (TS) clearance (must be maintained) + 5+ years ... strategy. We are looking for a Staff Information Security Engineer who will operate as a vulnerability management ...SCIF, with no access to external networks or corporate systems , and adhering to one-way diode transfer protocols.** Reporting… more
    DirectEmployers Association (11/22/25)
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  • Applied Research Associates, Inc. (Alexandria, VA)
    …Applied Research Associates, Inc. (ARA) is seeking to contingently hire a **Senior Engineer ** for ARA's effort supporting the Assistant Secretary of War for Critical ... offices within OASW(CT). This work requires a candidate with experience in systems engineering, software engineering, and/or subject matter expertise in CTA relevant… more
    DirectEmployers Association (11/26/25)
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  • AeroVironment (Washington, DC)
    …and tactical missile systems . Founded in 1971 by celebrated physicist and engineer , Dr. Paul MacCready, we've been at the leading edge of technical innovation ... + Strong track record of successful sales of autonomous systems to defense & security entities in the region...internationally when required. + Native fluency in Arabic + Active US SECRET clearance preferred + Computer skills with… more
    DirectEmployers Association (10/23/25)
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  • AeroVironment (Arlington, VA)
    …and tactical missile systems . Founded in 1971 by celebrated physicist and engineer , Dr. Paul MacCready, we've been at the leading edge of technical innovation ... IT projects by participating in the design, development, and implementation of information systems to ensure these systems include security features and meet… more
    DirectEmployers Association (12/02/25)
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  • COMSEC / 5G cellular / VHF Systems

    General Dynamics Information Technology (Washington, DC)
    …3 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Engineer - Active Top Secret Required** Seize ... your opportunity to make a personal impact as a Systems Engineer supporting a world class maintenance...weeks in support of mission activities. + Possesses an active TOP SECRET/SCI clearance and possesses eligibility… more
    General Dynamics Information Technology (11/20/25)
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  • Systems Engineer SME - Exchange…

    General Dynamics Information Technology (Washington, DC)
    …Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret Required** Seize your opportunity to make a personal impact ... as a **Senior** **Principal Systems Engineer for Exchange Messaging** with GDIT....8140/8570 IAT III compliance + **Security Clearance Level** : Active Top Secret + **Required Skills and… more
    General Dynamics Information Technology (11/06/25)
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  • Systems Engineer - Active

    General Dynamics Information Technology (Washington, DC)
    …15 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Engineer ** Seize your opportunity to make a personal impact as ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret/SCI **Public Trust/Other Required:** None **Job Family:** IT...a Systems ...a Systems Engineer with GDIT. A career in systems more
    General Dynamics Information Technology (12/17/25)
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  • Senior Principal Systems Engineer

    General Dynamics Information Technology (Washington, DC)
    …of related experience **US Citizenship Required:** Yes **Job Description:** **Principal Systems Engineer - Messaging - Active Top Secret Required** Seize ... opportunity to make a personal impact as a **Principal Systems Engineer - Messaging** with GDIT. We're...8140/8570 IAT III compliance + **Security Clearance Level** : Active Top Secret + **Required Skills and… more
    General Dynamics Information Technology (12/10/25)
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  • Principal / Sr. Principal Requirements and Test…

    Northrop Grumman (Jessup, MD)
    …Qualifications of Principal / Sr. Principal Requirements and Test Planning Systems Engineer :** + Current/ active DoD Top Secret Clearance and SCI with ... is seeking a **Principal/Sr. Principal Requirements and Test Planning Systems Engineer ** **What You'll Get to Do** Develop test plans and… more
    Northrop Grumman (12/05/25)
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  • HSM Engineer - Active Top

    General Dynamics Information Technology (Washington, DC)
    …**Technical** **Experience** **:** DoD 8140/8570 IAT level II compliance + **Security Clearance Level:** Active Top Secret with SCI eligibility and a T5 or T5R ... as a **Senior Principal Engineer for HSM** with GDIT. A career in systems engineering means designing and implementing the systems that matter most. You will… more
    General Dynamics Information Technology (10/04/25)
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  • G2 Infrastructure Engineer | Active

    General Dynamics Information Technology (Fairfax, VA)
    …JBAB and Saratoga Re-Alignment) **WHAT YOU'LL NEED:** + **Security Clearance Level:** Active Top Secret clearance. {A Secret clearance with completed T5 ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and… more
    General Dynamics Information Technology (10/25/25)
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  • Principal Systems Engineer

    V2X (Suitland, MD)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to support our ... is required to be onsite. The position requires an active Top Secret/SCI clearance and the ability...and maintain a Counterintelligence (CI) Polygraph. The Senior-level Principal Systems Engineer shall lead a diverse, multi-… more
    V2X (11/15/25)
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  • LINUX Engineer - Active Top

    General Dynamics Information Technology (Washington, DC)
    …of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret/SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and ... you advance your career. Join GDIT as a Linux Engineer and you will build an impactful career in...to the customer's mission. . Maintain and manage Linux systems , including performing regular updates, backups, and troubleshooting. .… more
    General Dynamics Information Technology (11/05/25)
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  • ACAS Engineer - Active Top

    ENS Solutions (Washington, DC)
    …innovative solutions to enable secure and reliable operations of enterprise computer systems . Engineer , design, develop, and implement enterprise network cyber ... capabilities, Intrusion Detection System, Intrusion Prevention System, Host Based Security Systems , Security Incident and Event Management tools, Domain Name System… more
    ENS Solutions (11/06/25)
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  • Senior Computer Network Defense (CND)…

    V2X (Springfield, VA)
    …applicable remediation guidance. + Security Clearance Requirements: + The position requires an active Top Secret/SCI clearance with the ability to obtain and ... are hiring for a Senior Computer Network Defense (CND) Engineer with an active TS/SCI clearance -...products, vulnerability scanning tools as deployed within hosted Information Systems . Responsibilities + The Senior CND Engineer more
    V2X (12/12/25)
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  • Senior Network Engineer - Top Secret

    General Dynamics Information Technology (Arlington, VA)
    …leu of degree.** **Experience:** **5+ years of related experience.** **Security clearance level:** ** Active Top Secret required with the ability to obtain SCI.** ... of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret/SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and… more
    General Dynamics Information Technology (11/11/25)
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  • Hardware Engineer - Top Secret

    General Dynamics Information Technology (Arlington, VA)
    Engineer expertise along with a drive for innovation to GDIT. The Hardware Engineer must have: + Active Top Secret security clearance required. + ... of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret/SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and… more
    General Dynamics Information Technology (12/14/25)
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  • Senior Mechanical Engineer - Top

    Jacobs (Washington, DC)
    …fire protection, construction, etc.) * Professional Engineer (PE) Registration desired * Active Top Secret clearance, ability to acquire a CI Poly. Jacobs is ... evolve, grow, and succeed - today and into tomorrow. The Mechanical Engineer will have essential multi-discipline team representation and be self-motivated, well… more
    Jacobs (12/04/25)
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  • Systems Engineer - Mid

    Amentum (Washington, DC)
    …direct impact on the Nation's security and intelligence mission. Amentum is searching for a Top -Secret cleared Systems Engineer (Mid) to join our team in ... If so, look no further. Amentum is seeking a ** Systems Engineer MID** to join our team...experience needed to perform at this level. **Requirements:** * Active Top Secret clearance with SCI eligibility… more
    Amentum (11/26/25)
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  • Splunk Engineer - Active TS/SCI…

    ENS Solutions (Washington, DC)
    …Manager (ESM), Network Security Manager (NSM), NetFlow, and/or Intrusion Detection Systems (IDS) to monitor, detect, and analyze threats. You'll perform hands-on ... in a Splunk environment + Experience with Splunk performing systems administration, including performing installation, configuration, monitoring system performance… more
    ENS Solutions (09/26/25)
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