> Markdown version of [/jobs/ext/4544947-cyber-systems-security-engineering-sr](https://www.wearedevelopers.com/jobs/ext/4544947-cyber-systems-security-engineering-sr). 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). --- # Cyber Systems Security Engineering Sr - **Company:** Lockheed Martin - **Location:** Owego, NY, United States - **Experience:** Expert - **Salary:** $98,100.0 - $182,100.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, CompTIA Security+, Linux, Networking Hardware, Prompt Engineering, Cybercrime, Vulnerability Analysis - **Published:** November 3, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9284688/cyber-systems-security-engineering-sr ## About the Role We are looking for individuals who are passionate about cybersecurity and eager to contribute their skills and expertise to our mission. You should have demonstrable knowledge in Systems Security Engineering through practical, hands-on work experience. Strong interpersonal and communication skills, critical thinking abilities, and the ability to collaborate effectively with a team are essential. You should have a solid working knowledge of Linux or Windows based systems and have an active CompTIA Security+ certification or higher IAT Certification. You should also be able to obtain a US Secret Security or higher level Clearance. Having experience with Model Based Systems Engineering (MBSE), Security for Airworthiness (DO-326 / 356) is a plus, as well as experience with Systems Engineering lifecycle and a familiarity with prompt engineering., * B.S. degree in a technical discipline such as Cyber Security, Computer Science, Computer Engineering, Computer Security, or Information Technology * 5 or more years of related engineering experience * Experience with Systems Security Engineering Lifecyle, Risk Management Framework and artifact generation towards an Authority to Operate (ATO) * DoD 8140 Level II or higher certificate or such as CompTIA Security+ CE, CySA, CASP, GSEC, CISSP * Ability to translate Cyber Engineering requirements to multidisciplinary teams * Ability to travel as required Desired Skills * Experience with Model Based Systems Engineering (MBSE) * Experience with Security for Air Worthiness, Cyber Survivability Attritubes (CSA) * Familiarity of Software Assurance, Supply Chain Risk Management * Experience with Prompt Engineering ## Description At Lockheed Martin's Rotary and Mission System's Cyber Resiliency organization, we are dedicated to engineering and deploying cutting-edge cyber defense solutions across our corporation. Our focus on cybersecurity is paramount to ensuring mission success for our customers, even in the face of evolving cyber threats. THE WORK As a member of our team, you will be involved in a variety of activities aimed at enhancing the cyber resiliency of the Maritime Systems market segment. This includes tasks such as: * Hardening operating systems, applications, and network devices * Conducting vulnerability scans * Continuous monitoring of the security posture of the system * Assisting with Government Certification Test and Evaluation (CT&E) and Vulnerability Testing * Implementing security updates and patches * Providing support to maintain the Certification and Accreditation (C&A) of the system to include support of the RMF package * Collaboration with system stakeholders to ensure the cybersecurity posture of the system is maintained * Interfacing with and supporting the ISSO and other government security stakeholders Please Note: * This position requires a government Secret security clearance; you must be a US Citizen for consideration. * This position will involve around 10% travel to our customer sites throughout the U.S.