• Lead , Crypto

    L3Harris (San Diego, CA)
    …sea and cyber domains in the interest of national security . Job Title: Lead , Crypto / Communications Security Systems Engineer Job Code: 30537 Job ... Lead development teams in defining requirements and conceptualizing communications system architectures. Guide the team through the preparation and presentation… more
    L3Harris (11/08/25)
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  • Senior Principal Crypto Software Engineer…

    RTX Corporation (El Segundo, CA)
    …Python) as well as hardware-software integration in real-time embedded systems. + Crypto Algorithm experience. + Understanding of network security protocols and ... 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 (12/09/25)
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  • Principal Systems Engineer / I&T Focal - Embedded…

    RTX Corporation (Cedar Rapids, IA)
    …invaluable experience working with our subject matter experts in addition to security and crypto certification specialists, our customer base, and ... 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 (10/26/25)
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  • Systems Engineer II - Embedded…

    RTX Corporation (Cedar Rapids, IA)
    …experience working with our radio subject matter experts in addition to security and crypto certification specialists, our customer base, and cross-functional ... 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 (10/28/25)
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  • Lead Cyber Engineer

    SAIC (Broomfield, CO)
    …Evaluate, select, and deploy cryptographic solutions to safeguard sensitive information and communications . + Lead the development and execution of program ... years of experience in cyber security , with at least 5 years in a lead or management role. + In-depth knowledge and hands-on experience with RMF, Crypto ,… more
    SAIC (01/06/26)
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  • Lead , Architectural Design and Network…

    L3Harris (Salt Lake City, UT)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Lead , Systems Engineer Job Code: 30452 Job Location: USA-UT-Salt ... devices. + They employ necessary tools and procedures to meet cyber- security requirements for sensitive/classified communications systems. + They understand… more
    L3Harris (11/03/25)
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  • Field Engineering Staff (SATCOM Site Lead

    Lockheed Martin (Bethesda, MD)
    …area networks, end\-to end telecommunications, circuit switching systems, and Long\-Haul communications /Transmissions systems\. This lead will be responsible for ... We're Doing** Our Team, the Command and Control, Battle Management and Communications \(C2BMC\) team, is engineering, developing and integrating new capability for… more
    Lockheed Martin (11/26/25)
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  • Senior Optical SME Lead

    Competitive Range Solutions, LLC (MD)
    …of a Senior Subject Matter Expert (Optical) talented person to lead Optical Telecommunication efforts supporting Federal Defense customers, under the direction ... multi-contractor team. The Senior Subject Matter Expert (Optical) shall lead efforts pertaining to successful installation, turn-up, testing, and activation… more
    Competitive Range Solutions, LLC (11/06/25)
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  • Senior Software Engineer - Embedded Cybersecurity…

    RTX Corporation (Fort Wayne, IN)
    …required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** DoD Clearance: Secret Our Crypto team in the Software ... Play a pivotal role in shaping products that significantly bolster the security and reliability of critical communications infrastructure. **What You Will… more
    RTX Corporation (10/17/25)
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  • Principal Software Engineer - Embedded…

    RTX Corporation (Fort Wayne, IN)
    …Take a proactive role in shaping products that significantly enhance the security and reliability of critical communications systems, influencing best practices ... 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 (10/17/25)
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  • Software Engineer II - Embedded Cybersecurity…

    RTX Corporation (Fort Wayne, IN)
    …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... Clearance:** DoD Clearance: Secret **Are you big into Crypto ? We're not talking currency!** Our Crypto more
    RTX Corporation (10/17/25)
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  • Cryptographic Modernization Subject Matter Expert

    Leidos (Aberdeen Proving Ground, MD)
    …of innovative technology and sector expertise to customers in the national security , engineering, and the health industries. At Leidos, we deliver innovative ... proof of concepts, testing, integration and validation of secure communications and network technologies, Cryptographic Modernization, and development and employment… more
    Leidos (12/24/25)
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  • Network Administrator Autonomic Logistics…

    Lockheed Martin (Fort Worth, TX)
    …Operating Procedures and training material \- Spanning technology in switches \- Crypto communications / COMSEC experience \- Disaster recovery: backups and ... ALOU and out of band equipment * Maintaining keyed crypto devices * Troubleshooting using system logs to diagnose...possess and retain DoD IAT Level II certification \(e\.g\. Security \+, CySA\+, CND, or CCNA Security \)\. **What's… more
    Lockheed Martin (12/13/25)
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  • Senior Evolved Strategic Systems (ESS) Program…

    KBR (El Segundo, CA)
    …Systems Integration 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 (11/25/25)
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  • Space Development Agency (SDA) NOC Technician III

    Leidos (Ogden, UT)
    …to its customers, the Department of Defense (DoD) and national security organizations. This position directly supports the DISA-provided GIG capabilities and ... creation using approved communication methods as outlined. *Works directly with Shift lead and O&M leadership for guidance *Incident Escalation: o Fault escalation,… more
    Leidos (01/03/26)
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  • Transport / IP (Trip) NOC Technician

    Leidos (O'Fallon, IL)
    …to its customers, the department of Defense (DoD) and national security organizations.This position directly supports the DISA-provided GIG capabilities and services ... using approved communication methods as outlined * Works directly with Shift lead and O&M leadership for guidance * Incident Escalation: Fault escalation, customer… more
    Leidos (11/07/25)
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  • Senior Cyber Operations Analyst

    The MITRE Corporation (Houston, TX)
    …ways. MITRE is seeking an experienced Senior Cyber Analyst who will lead high-visibility/high-impact efforts that provide significant contributions to the safety and ... security of the United States. The position will work...and guidance, system-of-system engineering, data engineering and analysis, experimentation, communications , and acquisition. Roles & Responsibilities: In this role,… more
    The MITRE Corporation (01/06/26)
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  • Principal Systems Engineer - Multi Domain Data…

    RTX Corporation (Cedar Rapids, IA)
    …invaluable experience working with our subject matter experts in addition to security and crypto certification specialists, our customer base, and ... Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US...to work on the cutting edge of secure military communications . In this role, you'll play a key part… more
    RTX Corporation (12/20/25)
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  • Network Administrator Autonomic Logistics…

    Lockheed Martin (Fort Worth, TX)
    …to include the JSF ALIS network hardware and software \-Proven project/team lead experience ** Security Clearance Statement:** This position requires a government ... professional growth\. Come and experience your future\! This role is for a lead Network Administrator with a System Administrator background for the F\-35 Joint… more
    Lockheed Martin (11/27/25)
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  • Systems Engineer II - Secure Systems

    RTX Corporation (Cedar Rapids, IA)
    …experience working with our radio subject matter experts in addition to security and crypto certification specialists, our customer base, and cross-functional ... 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 (11/19/25)
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