• Senior Applications Engineer

    BigBear.ai (Columbia, MD)
    Overview BigBear.ai is seeking a Senior Application Engineer to design, develop, and support high-value applications for multiple teams, ensuring ... improving current techniques. + Formulates and defines specifications for software applications or modifies and maintains existing applications using engineering… more
    BigBear.ai (11/20/25)
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  • Senior Systems Engineer / Network…

    Jacobs (Chantilly, VA)
    Knack Workes, a Jacobs company, is seeking a highly skilled Senior Systems Engineer / Network Engineer with 10+ years of IT experience and proven expertise ... of views, maps, and dashboards tailored to customer requirements and requests. * Engineer and support other NMS tools as needed (Content Suite, Service Manager,… more
    Jacobs (12/24/25)
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  • Senior DevOps Engineer - Autonomous…

    Oracle (Reston, VA)
    …CITIZENSHIP_** **_as this role will support Oracle's Government Customers_** **_TS/SCI w /Poly Security Clearance Required_** Are you interested in the exciting ... unmatched reliability, scalability and performance for critically important databases, applications and workloads. The Autonomous Database Team is responsible for… more
    Oracle (11/25/25)
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  • Senior System Engineer

    KBR (Chantilly, VA)
    Title: Senior System Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology ... position based upon contract award KBR is seeking a Senior Systems Engineer to join our team...requirements, design, and technology. + Provides technical support to application and tool development teams. + Coordinates with software… more
    KBR (12/17/25)
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  • Senior Network Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior ** **Network Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but ... and core/distribution/access switches and routers. + Utilizing network monitoring applications for traffic, access, and performance of entire network. **Minimum… more
    ManTech (12/03/25)
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  • Senior Data Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Data Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but are ... and seven (7) years of relevant experience in information technology, leveraging software applications and tools to meet customer requirements. + In lieu of a… more
    ManTech (12/03/25)
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  • Senior Cloud Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Cloud Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but are ... + 7+ years of relevant experience in information technology, leveraging software applications and tools to meet customer requirements. + Current DoD 8570 IAT… more
    ManTech (12/03/25)
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  • Senior Software Engineer

    Lockheed Martin (Herndon, VA)
    …hardware and software, subject matter to be programmed in business/mission applications , information processing techniques used, and information gathered from system ... least 3 years of technical experience as a Software Engineer in an Agile environment with proficiency with one...be a US Citizen for consideration\. **Clearance Level:** TS/SCI w /Poly **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (10/11/25)
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  • Senior Mechanical Engineer

    Leidos (Reston, VA)
    …The Mission Solutions Business Area at Leidos is looking for a Mechanical Engineer to join our Reston, VA based team. The successful candidate will work ... current SSBI, and be eligible to obtain a TS/SCI w / CI poly level clearance. US Citizenship is **required.**...provide payment-related information during any part of the employment application process (ie, ask you for money), nor will… more
    Leidos (12/26/25)
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  • Electrical Engineer - Multiple Positions…

    Leidos (Reston, VA)
    …The Mission Solutions Business Area at Leidos has an opening for an Electrical Engineer in Reston, Virginia. The primary focus of the group is reverse engineering ... the characterization process to produce accurate intelligence estimates. * Brief senior officials regarding capability, trends and analysis. * Excellent written and… more
    Leidos (10/04/25)
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  • Cybersecurity Engineer 6

    M. C. Dean (Chantilly, VA)
    …at MC Dean, you will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and technology systems; and deliver ... lives, and changing the world for the better. We are seeking a **Cybersecurity Engineer 6** to join our **Security and Electronic Systems (SES)** business Unit. As… more
    M. C. Dean (11/28/25)
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  • Engineer 1

    M. C. Dean (Chantilly, VA)
    …leaders in electrical, engineering, and cybersecurity industries. We are seeking an ** Engineer 1** to join our **Security and Electronic Systems (SES)** business ... federal, local and commercial customers across high-growth markets. Responsibilities The Engineer provides system programming and management support for large scale… more
    M. C. Dean (11/26/25)
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  • Recapitalization Network Engineer

    CACI International (Sterling, VA)
    … are needed on an ongoing basis. **Opportunity:** Team CACI is seeking a Senior Network Engineer to support the recapitalization of an Intelligence Community ... Recapitalization Network Engineer Job Category: Information Technology Time Type: Full...performance, consult on improvements, and make technology recommendations to senior management. Experience with large-scale enterprise networks in a… more
    CACI International (10/25/25)
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  • Network Engineer Tier 2

    CACI International (Chantilly, VA)
    Network Engineer Tier 2 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Posting End: There is not an anticipated end date for this posting since applications are needed on an ongoing basis. **Opportunity:** Team CACI is seeking a Network… more
    CACI International (10/25/25)
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  • Cyber Engineer

    Leidos (Reston, VA)
    …The Mission Solutions Business Area at Leidos has an opening for a **Cyber Engineer in Reston, Virginia** to support a fast-paced team working on projects critical ... code execution * Securing development environments and software through application security architecture software evaluations, web application vulnerability… more
    Leidos (12/25/25)
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  • Physical Security Engineer 4

    M. C. Dean (Chantilly, VA)
    …engineering, and cybersecurity industries. We are seeking a **Physical Security Engineer 4** to join our **Security and Electronic Systems (SES)** business ... systems for both ongoing and upcoming projects. As a hands-on, working-level engineer , you will be directly involved in the engineering and field installation… more
    M. C. Dean (10/23/25)
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  • Software Engineer

    SAIC (Reston, VA)
    …running within an application framework hosting a SQLite database. The Software Engineer candidate will also work within a team to support development of scripts ... **Description** SAIC has an immediate opening for a Software Engineer to maintain, upgrade, and develop as necessary a...software compatibility **Qualifications** + Must currently hold a TS/SCI w / poly + Bachelor's degree in computer science or… more
    SAIC (12/13/25)
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  • Civil Engineer - Top Secret Clearance

    Leidos (Reston, VA)
    **Description** Leidos has several openings for a Civil Engineer in Reston, Virginia. The primary focus of the group is reverse engineering Weapons of Mass ... characterization process to produce accurate intelligence estimates + Brief senior officials regarding capability, trends and analysis **Clearance Requirement:** +… more
    Leidos (10/09/25)
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  • Structural Engineer - Multiple Positions…

    Leidos (Reston, VA)
    …The Mission Solutions Business Area at Leidos has an opening for a Structural Engineer in Reston, Virginia. The primary focus of the group is reverse engineering ... interact with personnel at all levels of experience, including Senior Officials **Required Skills, Education, and Experience:** + Candidate...current SSBI, and be eligible to obtain a TS/SCI w / poly level clearance. US Citizenship is required. +… more
    Leidos (10/04/25)
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  • Systems Engineer 4

    M. C. Dean (Vienna, VA)
    …in electrical, engineering, and cybersecurity industries. We are seeking a **System Engineer 4** to join our **Security and Electronic Systems (SES)** business Unit. ... US Citizenship, for access to classified information; **active** **DoD TS/SCI w / polygraph clearance is required** **Position / Candidate Requirements:** +… more
    M. C. Dean (12/30/25)
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