• Staff DevSecOps Engineer

    Zscaler (San Jose, CA)
    …we invite you to bring your talents to Zscaler and help shape the future of cybersecurity . **Role** We are looking for a Staff DevSecOps Engineer to join our ... within the DevSecOps department. Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. You will support… more
    Zscaler (12/11/25)
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  • Crypto Systems Engineer

    KBR (Chantilly, VA)
    Title: Crypto Systems Engineer Belong. Connect. Grow. with KBR! Support the Directorate by evaluating and certifying the implementation, integration, and embedment ... of cryptography and cryptographic-related cyber security solutions into customer-owned or controlled Space systems, through robust cryptographic security more
    KBR (12/06/25)
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  • Test Engineer III

    Mercury Systems (Chantilly, VA)
    Req. Number 25-553 Job Description Job Summary: Mercury Systems is seeking a Test Engineer III to lead test efforts in developing and executing server systems for ... role plays a pivotal part in ensuring product reliability, performance, and security across the full engineering lifecycle from concept to sustainment. Job… more
    Mercury Systems (12/03/25)
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  • Sr. Staff Software Development Engineer

    Zscaler (San Jose, CA)
    …you to bring your talents to Zscaler and help shape the future of cybersecurity . Our Engineering team built the world's largest cloud security platform from ... has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in...strategy. We're looking for a Senior Staff Software Development Engineer to join our ZIA Cloud team. You will… more
    Zscaler (11/19/25)
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  • Principal Network Engineer (Onsite - Secret…

    RTX Corporation (Tewksbury, MA)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** DoD Clearance: Secret RTX Corporation is an Aerospace and Defense… more
    RTX Corporation (11/04/25)
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  • Staff Software Engineer - Java, AWS, TCS…

    Zscaler (Mclean, VA)
    …you to bring your talents to Zscaler and help shape the future of cybersecurity . Our Engineering team built the world's largest cloud security platform from ... has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in...cloud-first strategy. We're looking for an experienced Staff Software Engineer to join our IT Cloud Engineering team. **This… more
    Zscaler (01/14/26)
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  • Oracle OCI Cloud Infrastructure Engineer

    RTX Corporation (Farmington, CT)
    …as only US citizens are authorized to access certain necessary systems. ** Security Clearance:** None/Not Required RTX Corporation is an Aerospace and Defense company ... in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity . The company, formed in 2020 through the combination of Raytheon… more
    RTX Corporation (01/10/26)
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  • Software Engineer , Sr - GMD Weapons…

    Lockheed Martin (Huntsville, AL)
    …missiles to negate the threat\. **The Work** The Software Integrator Engineer supports the integration, testing, and sustainment of software solutions across ... works closely with software developers, systems engineers, test teams, and cybersecurity partners to help ensure software components function together as intended… more
    Lockheed Martin (01/07/26)
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  • Junior Software QA Engineer

    KBR (El Segundo, CA)
    …QA Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our ... customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's most critical role -… more
    KBR (01/04/26)
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  • Cyber Engineer

    ManTech (Mclean, VA)
    **MANTECH** seeks a skilled and innovative **Cyber Engineer ** to support our cybersecurity operations in **McLean, VA.** In this role, you will leverage your ... rules, signatures, and custom content within platforms such as Splunk Enterprise Security + Identifying potential conflicts with implementation of CND tools and… more
    ManTech (12/31/25)
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