> Markdown version of [/jobs/ext/3887155-systems-engineer-sr-e3](https://www.wearedevelopers.com/jobs/ext/3887155-systems-engineer-sr-e3). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer Sr - E3 - **Company:** Lockheed Martin - **Location:** Marietta, GA, United States - **Experience:** Expert - **Salary:** $85,300.0 - $158,300.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Unit Testing, Cyber Security, Embedded Software, Firmware, Hardware Design, Reverse Engineering, SAP (Applications), Systems Architecture, System Testing, Cyber Threat Analysis, Integration Tests - **Published:** October 23, 2026 - **Apply:** https://www.jobmonkeyjobs.com/career/28128846/Systems-Engineer-Sr-E3-Georgia-Marietta-1301 ## About the Role * B.S. in an engineering or technical degree * Minimum two years of cybersecurity/anti-tamper requirements development, security and cyber threat analysis, security systems engineering, cyber systems architecture development and cybersecurity policy development * Familiarity with requirements development and derivation or validation and verification * U.S. Citizenship and active secret DoD clearance is required with the ability to obtain higher Special Access Program (SAP) clearance Desired Skills * Advanced degree in Engineering, Software or Science * Experience with Anti-tamper, Reverse Engineering, Hardware Design, Embedded Software or Cryptography * Technical problem solving, to include decomposition, root cause analysis, solution development, implementation and monitoring * Experience with proposals and creating basis of estimates (BOEs) * Experience contributing to and/or making technical presentations to a lead engineer * Identify and mitigate vulnerabilities and perform integration testing of mitigation/resolution * Experience with Hardware (Firmware) Assurance, Attack Surface Analysis and Reporting, Software/Firmware Encryption, and Secure Key Handling ## Description This position is for a Mission Assurance Systems Engineer Sr supporting AMMM and Skunk Works® programs. The candidate must be a proven problem-solver who can multi-task in a complex interrelated environment. * Support the development and implementation of hardware and software Anti-Tamper techniques and countermeasures to protect assets and enhance operational integrity and reliability. * Understand full life cycle Systems Engineering development experience in Anti-Tamper and/or Cybersecurity, to include architecture design, trade studies, requirements formulation, detailed design, unit testing, system testing, and validation and verification practices * Support internal and external design reviews and maintain knowledge of current and developing technologies and design and analysis methodologies. * Ensure development activities, accomplishments, and issues are communicated to the Mission Assurance Senior Manager and Director.