[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) General Dynamics · Scottsdale, AZ # Senior Systems Security Engineer (cleared) Scottsdale, AZ, US Full-time Senior individual contributor Security Listed on General Dynamics’s official careers site. Posted September 10, 2026. Check that it is still open and apply there. [Apply on General Dynamics’s careers site →](https://www.gd.com/careers/senior-systems-security-engineer-cleared-scottsdale-az-us-2026-74904-gdms-opportunity) [OpenNash Jobs](https://jobs.opennash.com/) / [General Dynamics](https://jobs.opennash.com/companies/general-dynamics/) / Senior Systems Security Engineer (cleared) ## Job description Responsibilities for this Position Senior Systems Security Engineer (cleared) ### ID 2026-74904 US-AZ-Scottsdale Required Clearance: Secret Posted Date: 9/10/2026 Category: Engineering-Systems Employment Type: Full Time Hiring Company: General Dynamics Mission Systems, Inc. ### Basic Qualifications Requires a Bachelors degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Agile experience preferred. ### CLEARANCE REQUIREMENTS Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position We are seeking a Senior Systems Security Engineer who has experience in the design and development of NSA-certified Cybersecurity devices. This is not an IT based role. ### Key Responsibilities - Conduct trade studies, perform functional system analysis, and develop CONOPS Analyze, develop and maintain functional and security requirements throughout product development lifecycle - Develop real-time multi-threaded Embedded System security architecture and design using Model-based Systems Engineering (MBSE) tools and techniques - Collaborate with software and validation engineering teams to deliver Voice over IP solutions Preferred Skills and Experiences: Voice over IP Networking NSA approved Cryptography/Encryption Security requirements analysis Real-Time multi-threaded Embedded System security architecture and development Model-based Systems Engineering (MBSE) CISSP certification or similar - Identifies opportunities to apply AI for continuous improvement and innovation We value candidates who possess: Drive to expand knowledge and experience in designing complex systems - Ability to define project scope, schedule, and expected results Initiative to complete assignments and ability to engage in technical direction and leadership Our Commitment to You: An exciting career path with opportunities for continuous learning and development Research-oriented work with award-winning teams Competitive benefits package Please note this position is 100% onsite in Scottsdale, AZ. This position requires an Active Secret security clearance. #CJ3 #LI-JH1 Salary Note This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled. Combined Salary Range USD $142,696.00 - USD $158,303.00 /Yr. Company Overview General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team! Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans PI287010920 ## At a glance - Posted by the employer: Sep 10, 2026 - First seen by OpenNash: Oct 19, 2026 - Last checked: Nov 9, 2026 - Listed for: 60 days - Location: Scottsdale, AZ, US - Employment type: Full-time[Apply on General Dynamics’s careers site →](https://www.gd.com/careers/senior-systems-security-engineer-cleared-scottsdale-az-us-2026-74904-gdms-opportunity) ## Hiring at General Dynamics - Open jobs: 3,216 - New in the last 7 days: After two weekly collections - Tracked since: Jul 13, 2026 [All General Dynamics jobs](https://jobs.opennash.com/companies/general-dynamics/) · [Weekly hiring report](/reports/hiring/) ## More jobs at General Dynamics ### [Software Engineer](https://jobs.opennash.com/companies/general-dynamics/jobs/94c2fdfdb425388fb29c/) Scottsdale, AZ, US ### [Software Engineer - Intern](https://jobs.opennash.com/companies/general-dynamics/jobs/363713118491c3f68587/) Scottsdale, AZ, US ### [Software Engineer Entry Level for Crypto and Cross Domain Solutions](https://jobs.opennash.com/companies/general-dynamics/jobs/87c9411fc7b3d84fcf67/) Scottsdale, AZ, US ### [Software Engineer Intern for Crypto & Cross Domain Solutions](https://jobs.opennash.com/companies/general-dynamics/jobs/ecb375417a1d6adbde52/) Scottsdale, AZ, US ### [Software Engineer for Linux Applications in Crypto and Cross Domain Solutions](https://jobs.opennash.com/companies/general-dynamics/jobs/cef8958896c1b56d2456/) Scottsdale, AZ, US ## Similar jobs at other companies ### [Software Engineer - CTJ - TS (Cleared)](https://jobs.opennash.com/companies/microsoft/jobs/9ace251ab44c7352b7c5/) Microsoft · United States, Virginia, Reston ### [Software Engineer - CTJ - TS (Cleared)](https://jobs.opennash.com/companies/microsoft/jobs/a4ff401f4cb9328d3f91/) Microsoft · United States, Washington, Redmond ### [Wargaming Project Lead - TS Cleared / Suffolk VA](https://jobs.opennash.com/companies/lockheed-martin/jobs/3c3927cf82958dbfc74a/) Lockheed Martin · Suffolk, VA ### [Network Engineer - IT, Sr / Cleared / Onsite - Manassas/Herndon](https://jobs.opennash.com/companies/lockheed-martin/jobs/dc73d2b19daca959178c/) Lockheed Martin · Manassas, VA ### [Cleared Sr. Oracle DBA](https://jobs.opennash.com/companies/oracle/jobs/e6d8c9a68334436d59de/) Oracle · Seattle, WA, United States [Jobs in Scottsdale, AZ](/locations/us/az/scottsdale/)[Jobs in Arizona](/locations/us-az/)[Security jobs](/functions/security/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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