• Red River (Chantilly, VA)
    At Red River Managed Services, we provide a welcoming and positive workplace where everyone feels valued and able to do their best work, fostering a one-team ... positioned to do their best work; you view every Red River colleague as a member of one team....you successful. We are looking for a **Systems Support Engineer I** to join our fast-paced, customer-first global service… more
    DirectEmployers Association (10/07/25)
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  • Applied Research Associates, Inc. (Herndon, VA)
    **Description** ARA is looking for a Senior DevOps Engineer with strong expertise in OpenShift and you need to have a solid understanding of DevOps principles, ... container orchestration, and cloud-native application development. The Senior DevOps Engineer will be responsible for...and cloud platforms like AWS, Azure, or GCP + ** Security ** **& Compliance** : Implement security best… more
    DirectEmployers Association (09/11/25)
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  • Sr . Security Engineer

    NVR (Reston, VA)
    …NVR, Inc. is seeking a Senior Security Engineer to join our Red ... Sr . Security Engineer - Red Team...professional growth. Position Summary As a Senior Security Engineer on NVR's Red Team, you will play… more
    NVR (10/01/25)
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  • Sr . Hybrid Cloud Platform Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    Sr . Hybrid Cloud Platform Engineer Location: Springfield, VA, US Job ID:...8 Years Experience | + + + | Level 3 - Senior | - PhD + 2 Years Experience | | | | ... ATR 17422 Job Description Job Title: Sr . Hybrid Cloud Platform Engineer Location: Springfield,...- Install, configure and maintain OpenShift clusters across multiple security domains in both Cloud and datacenter (vSphere) environments… more
    Arena Technical Resources, LLC (10/21/25)
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  • SAP NS2 Sr . Security Automation…

    SAP (Herndon, VA)
    …caring team environment with a strong focus on learning and development, recognition for your individual contributions, and a variety of benefit options for ... the global market leader for business software and related services. SAP National Security Services Inc.(R) (SAP NS2(R)) is an independent US subsidiary of SAP. At… more
    SAP (07/25/25)
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  • Senior Offensive Security

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Offensive Security Engineer Job Description **Offensive Security Engineer ** **Overview** CoStar Group (NASDAQ: CSGP) is a leading global ... the vulnerabilities. The ability to explain the exploit to senior level management is key to success in this...prior employers + 3 years of experience performing offensive security activities such as red teaming, penetration… more
    CoStar Realty Information, Inc. (08/26/25)
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  • Red Team Software Developer

    Parsons Corporation (Fort Belvoir, VA)
    …and redefine what's possible. **Job Description:** Parsons is looking for a talented ** Red Cyber** **Software Engineer ** to join our growing team! **What You'll ... Clearance** + Proficient in C and C# and BOFs + Special requirements: Must pass the Red Team senior developer aptitude test + Must be able to travel 15%- OCONUS… more
    Parsons Corporation (08/25/25)
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  • Senior Systems Engineer

    Leidos (Fort Belvoir, VA)
    **Description** Leidos is seeking a ** Senior Systems Engineer ** to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS ... mission partners operating in CONUS and OCONUS locations. The Sr Systems Engineer will deploy new Windows...for the building and patching Linux and Windows servers, Red Hat Satellite and Ansible Automation Platform in support… more
    Leidos (10/03/25)
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  • Senior Linux Engineer

    CACI International (Chantilly, VA)
    Senior Linux Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of ... * * **The Opportunity:** CACI is looking for a Senior Linux Engineer to support a newly...services and support to our programs. **Responsibilities:** + Support Red Hat and Ubuntu Linux systems and related technologies.… more
    CACI International (10/09/25)
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  • TS/SCI DevSecOps Platform Engineer

    Insight Global (Reston, VA)
    Security + CE, SSCP, CCNA- Security , CISSP, or GSEC certification - RHCE ( Red Hat Certified Engineer ) or RHCSA ( Red Hat Certified System Administrator) ... Job Description Insight Global is looking to hire a Senior DevSecOps Engineer in the Reston, VA area. On a day-to-day basis, this individual will be responsible… more
    Insight Global (10/11/25)
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  • Senior Engineer - DevOps…

    RTX Corporation (Sterling, VA)
    …for a security clearance​ ** Security Clearance:** Secret - Current ** Senior Engineer - DevOps / Infrastructure** **(Onsite)** This position requires an ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (10/09/25)
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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 Percentage ... seeking a highly skilled and experienced Tier 3 Linux Engineer to join our team in support of Enterprise..._Required:_ * An Active TS/SCI Clearance with Polygraph. * Security + or DoD 8570 IAT Level II Certification or… more
    CACI International (08/03/25)
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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** . This is a position requiring onsite ... comprehensive network, VoIP, VTC, and data center solutions, adhering to security guidelines and customer specifications to ensure robust and secure communication… more
    ManTech (09/27/25)
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  • Senior AI Research Engineer

    The MITRE Corporation (Mclean, VA)
    …in AI-enabled systems, including data driven AI risk awareness and mitigation, AI red teaming, and trusted tools and techniques for applying AI in high consequence ... to projects or small teams to solve complex AI security problems for our sponsors + Contribute to the...and one of the three following technical areas: AI security , AI-enhanced cybersecurity, or AI-accelerated cyber operations + Demonstrated… more
    The MITRE Corporation (09/04/25)
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  • RHEL Ansible Engineer_US Citizen-Remote

    NTT DATA North America (Chantilly, VA)
    …in Chantilly, Virginia (US-VA), United States (US). **Job Summary:** The Senior Red Hat Enterprise Linux (RHEL) Engineer will lead RHEL and Satellite ... requires expertise in application design, implementation, and management of Red Hat Satellite 6.16 and Ansible Automation Platform 2.5....**Must be a US citizen with an Active Secret Security Clearance** + 15 years of professional experience +… more
    NTT DATA North America (10/21/25)
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  • OPIR Systms Engineer

    KBR (Chantilly, VA)
    …collected data into useful information distributed to IC and DoD users. As a Senior OPIR Systems Engineer , you will be responsible for providing Joint ... Title: OPIR Systms Engineer Belong. Connect. Grow. with KBR! KBR is...in designing and optimizing defense systems that ensure national security and shape the future of space defense. Key… more
    KBR (09/30/25)
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  • OPIR Systems Engineer

    KBR (Chantilly, VA)
    …collected data into useful information distributed to IC and DoD users. As a Senior OPIR Systems Engineer , you will be responsible for providing Joint ... Title: OPIR Systems Engineer KBR is seeking a highly qualified OPIR...& dissemination + Support integration with DoD Space Based Infra- Red System (SBIRS) + Experience providing OPIR mission knowledge… more
    KBR (10/08/25)
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  • Specialist, Systems Engineer Mission…

    L3Harris (Springfield, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Specialist, Systems Engineer - Mission Protection Specialist (Active ... Concept of Operations (CONOPS), and risk management frameworks. * Contribute to red /blue team assessments, tabletop exercises, and program security reviews. *… more
    L3Harris (10/16/25)
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  • Network Systems Engineer - TS/SCI w/Poly

    Parsons Corporation (Mclean, VA)
    …as well as system-focused certifications like Microsoft Certified: Azure Administrator or Red Hat Certified Engineer . + Experience with enterprise-level network ... possible. **Job Description:** Parsons is looking for an amazingly talented **Network Systems Engineer ** to join our team! In this role, you will get to design,… more
    Parsons Corporation (09/09/25)
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  • Integration and Test Software Engineer

    CACI International (Fairfax, VA)
    …Type of Travel: Continental US * * * CACI is currently looking for a Senior Integration and Test Software Engineer to join our team developing next generation ... Integration and Test Software Engineer Job Category: Engineering Time Type: Full time...safeguarding the American people and enhancing the Nation's safety, security , and prosperity. Our warfighters are on the front… more
    CACI International (09/17/25)
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