• Security Software Engineer

    Imagine One Technology & Management (Dahlgren, VA)
    Imagine One Technology & Management, Ltd. is seeking one (1) ** Security Software Engineer .** This position is contingent upon award of the associated work ... and will be performed in Dahlgren, Virginia. The ** Security Software Engineer ** will be...following: 1. Penetration Testing (PENTEST) (government or contractor) 2. Red Team Operations (government or contractor) 3. Tool/ Software more
    Imagine One Technology & Management (06/25/25)
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  • Senior Systems Engineer (Deployment)

    Red River (King George, VA)
    …and analytical skills. **Desired Certifications and Skills:** + Microsoft Certified Systems Engineer + VMware Certified Professional 5 + Software Engineering ... Red River Technology is actively seeking a dedicated and highly skilled Senior Systems Engineer to join our team in supporting a mission-critical program for the… more
    Red River (05/30/25)
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  • Red Team Engineer

    Parsons Corporation (Centreville, VA)
    …coding practices and software development lifecycle. + Previous experience in a Red Team or offensive security role. + Familiarity with threat modeling and ... passionate about cybersecurity and discovering vulnerabilities? Join our elite Red Team as a Device Exploitation Engineer ...and provide detailed reports with actionable recommendations to enhance security posture. + Participate in Red Team… more
    Parsons Corporation (05/10/25)
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  • GEOINT Electro-Optical/Infra- Red

    KBR (Chantilly, VA)
    Title: GEOINT Electro-Optical/Infra- Red Processing System Engineer - TS/SCI KBR is looking for a GEOINT Electro-Optical (EO)/Infra- Red (IR) Processing ... working across Geo-Spatial Intelligence (GEOINT), and specifically, Electro-Optical (EO) and Infra- Red (IR) programs and systems. This is a challenging and rewarding… more
    KBR (04/13/25)
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  • Pr. Cyber Software Security

    Northrop Grumman (Dulles, VA)
    …ability to work independently is essential. **Additional Responsibilities for a Principal Cyber/ Software Security Assurance Engineer include:** + Working as ... security into ground segment and mission application software . **Cyber Software Security Assurance...in an Agile engineering environment, where the Cyber Systems Engineer may identify and prioritize security requirements;… more
    Northrop Grumman (05/03/25)
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  • Red Team Offensive Tool Developer

    TekSynap (Virginia Beach, VA)
    …activities to simulate adversary tactics, techniques, and procedures (TTPs). + Reverse engineer software and systems to identify vulnerabilities and create ... **RESPONSIBILITIES** + Design, develop, and deploy offensive cyber tools to support Red Team and penetration testing engagements. + Conduct advanced exploitation… more
    TekSynap (03/29/25)
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  • Information Systems Security

    Leidos (Arlington, VA)
    …The Leidos Digital Modernization Sector has a career opportunity for an Information Systems Security Engineer / ISSE in support of the Air Force National Capital ... Cybersecurity Team is seeking a highly skilled Information System Security Engineer (ISSE) to maintain and enhance...Security Technical Implementation Guides (STIGs) on Windows and Red Hat Linux systems. + Develop and implement … more
    Leidos (06/10/25)
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  • Senior Offensive Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Offensive Security Engineer Job Description **Offensive Security Engineer ** **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider ... prior employers + 3 years of experience performing offensive security activities such as red teaming, penetration...of total experience in a technical role such as security , networking, systems, or software development +… more
    CoStar Realty Information, Inc. (05/23/25)
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  • Software Engineer

    Actalent (Fairfax, VA)
    Job Title: Software Engineer Job Description We are seeking a talented Software Engineer for a Platform as a Service position, offering the opportunity ... close collaboration with customers to develop solutions for high-stakes security missions. Responsibilities + Collaborate in a multidisciplinary team including… more
    Actalent (06/17/25)
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  • Principal Cyber/Systems Security

    Northrop Grumman (Dulles, VA)
    …part of history, they're making history. We have an opening for a **Cyber/Systems Engineer ** to join our team of qualified, diverse individuals in the Tactical Space ... This position will be in **Dulles, VA.** This Cyber Systems Security Engineering position requires demonstrated technical accomplishments in securing complex systems… more
    Northrop Grumman (05/30/25)
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  • Software Engineer Staff

    Lockheed Martin (Springfield, VA)
    …to fully utilize modern HPC systems\. We are seeking a mid\-career level HPC Software Engineer that will work in a High Performance Computing \(HPC\) Research ... Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as...a career that's built for you\. Lockheed Martin provides Red Hat Enterprise Linux \(RHEL\)/SE Linux based HPC services… more
    Lockheed Martin (04/07/25)
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  • NMCC Information Systems Security

    TekSynap (Arlington, VA)
    …and Risk Assessment techniques. **Overview** We are seekinga highly skilled Information Systems Security Engineer (ISSE) to maintain and enhance the security ... strategies. + Implement Security Technical Implementation Guides (STIGs) on Windows and Red Hat Linux systems. + Develop and implement security designs for… more
    TekSynap (06/18/25)
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  • Information Systems Security

    KaylaTek, Inc. (Arlington, VA)
    …current position. Summary Our Cybersecurity Team is seeking a highly skilled Information System Security Engineer (ISSE) to maintain and enhance the security ... strategies. o Implement Security Technical Implementation Guides (STIGs) on Windows and Red Hat Linux systems. o Develop and implement security designs for… more
    KaylaTek, Inc. (06/05/25)
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  • Information Assurance System Security

    General Dynamics Information Technology (Manassas, VA)
    …Yes **Job Description:** Transform technology into opportunity as an Information Assurance System Security Engineer (ISSE) III with GDIT. A career in enterprise ... or upgrading legacy systems. The ISSE employs best practices when implementing security requirements within an information system including software engineering… more
    General Dynamics Information Technology (05/14/25)
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  • Senior Security Engineer , Identity…

    Amazon (Arlington, VA)
    …flexible controls which meet their individual security requirements. As a Senior Security Engineer at Amazon, you will lead the design, development, and ... systems and frameworks. We are seeking an experienced software engineer who brings both skills and...Computer Science or related field - Experience on a Red Team or implementing proactive security practices… more
    Amazon (06/03/25)
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  • Cyber Security Engineer

    Leidos (Springfield, VA)
    **Description** We are seeking a Cyber Security Engineer who is responsible for developing and implementing advanced security solutions to defend critical ... security risks. + Secure development environments by implementing application security architecture and conducting evaluations of software for security more
    Leidos (05/24/25)
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  • Integration and Test Software

    CACI International (Fairfax, VA)
    Integration and Test Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular ... is currently looking for a Senior Integration and Test Software Engineer to join our team developing...safeguarding the American people and enhancing the Nation's safety, security , and prosperity. Our warfighters are on the front… more
    CACI International (06/03/25)
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  • Staff Software Engineer : Deputy…

    Northrop Grumman (Fairfax, VA)
    …they're making history. Northrop Grumman Space Systems (NGSP) seeks to find a senior _Software Engineer to act as a Deputy Software lead_ in the Payload and ... be responsible for the day-to-day functions that support the Seychelles Phase 1B software teams. Candidate needs to have an understanding of all Agile processes and… more
    Northrop Grumman (06/14/25)
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  • Security Engineer (SecEng), SecOps…

    Amazon (Herndon, VA)
    …and productivity gains * Solving complex problems at scale by building high-quality security software * Contributing to customer-focused security automation ... measure project effectiveness and ROI The PARTS team combines Security Engineers and Software Development Engineers focused...automations at scale. Our team is made up of security engineers from various diverse backgrounds, including red more
    Amazon (05/14/25)
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  • C2 Network Security Operations Center…

    Leidos (Hampton, VA)
    …The Multi-Domain Solutions Division at Leidos currently has openings for a Cyber Security Engineer / Information Systems Security Engineer ... respond to. This role requires a deep understanding of risk management, security frameworks, and technical expertise in system security hardening, vulnerability… more
    Leidos (06/13/25)
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