Cyber Software Engineer Staff

Reference: 734346BRPosted: 2026-07-09Location: King of Prussia, PennsylvaniaClearance: SecretCompany: Lockheed MartinDescription: What We’re DoingAt Lockheed Martin Rotary and Mission Systems, we are shaping the future of defense and security through innovation, integrity, and visionary thinking. Our teams apply the highest standards of business ethics and technical expertise to design solutions that safeguard our nation and allies. Every day, we push boundaries to ensure mission success—and we invite you to be part of this critical work.The WorkWe are seeking a highly motivated Cyber Security Systems Engineer to support the design, implementation, hardening, and sustainment of secure mission systems across both CONUS and OCONUS environments. This role requires strong technical expertise in systems engineering, cybersecurity, infrastructure security, automation, and DevSecOps practices. The ideal candidate will support secure architecture development, system accreditation activities, continuous monitoring, vulnerability management, and automation of security controls within CI/CD pipelines.The Cyber Systems Engineer will work closely with software engineers, infrastructure teams, customer representatives, security architects, program leadership, and operational users to ensure mission systems remain secure, resilient, and compliant.Please note: This position requires the ability to obtain and maintain a DoD government clearance at the Secret level.This position is based out of King of Prussia, PA and is hybrid but required to work onsite 3 days a week.This position requires the ability to travel up to 25%.Who We AreWe are Lockheed Martin, a global security and aerospace leader. Our Rotary and Mission Systems (RMS) business area delivers solutions that connect people, protect freedom, and advance the state of technology in areas such as naval systems, radar, cyber, and missile defense.Who You AreYou are a mission-driven engineer with a strong background in cybersecurity and systems engineering. You thrive in collaborative environments and are passionate about applying your skills to safeguard systems against evolving threats. Your ability to assess risks, develop secure designs, and validate solutions makes you a trusted partner in ensuring mission success.Why Join UsAt Lockheed Martin, your skills, training, and education are valued—and your future is limitless. You’ll join a team that empowers innovation, supports professional growth, and makes a tangible impact on global security. From day one, you’ll be part of something bigger: protecting what matters most.Basic Qualifications:• Bachelor’s degree in Cybersecurity, Systems Engineering, Computer Science, Information Technology, or related STEM discipline; equivalent experience may be considered.• Minimum 9+ years of experience in cybersecurity, systems engineering, information assurance or relevant experience• Experience securing Linux and/or Windows operating systems in enterprise or mission environments.• Experience with Automation tools specifically Ansible and familiarity with deployment automation• Working knowledge of cybersecurity frameworks such as the following and associated documentation: NIST SP 800-53 & NIST 800-171• Experience with vulnerability scanning and remediation tools.• Experience with scripting languages and automation tools• Ability to obtain and maintain a DoD Secret clearance (or higher, as required).Desired Skills:• Possess an approved DoD 8570 baseline certification for IAT Level II (CISSP, CAP, etc.)• Experience supporting DoD weapon systems, aviation platforms, or classified mission systems.• Experience with Containerization technologies to include Kubernetes and Openshift• Experience with Virtualization platforms/hypervisors• Experience implementing container security and Kubernetes hardening.• Familiarity with SIEM Tools deployment and administration specifically ArcSight• Experience with Zero Trust architecture and cyber resiliency engineering.• Experience supporting environmental handling Controlled Unclassified Information (CUI) & Air-gapped or disconnected systems• Strong analytical and problem-solving skills.• Excellent written and verbal communication skills.• Ability to work independently in dynamic mission environments.• Ability to interface with technical and non-technical stakeholders.• Strong leadership, mentoring, and cross-functional collaboration skills.Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.Clearance Level: SecretOther Important Information You Should KnowExpression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.Ability to Work Remotely: Part-time Remote Telework: The employee selected for this position will work part of their work schedule remotely and part of their work schedule at a designated Lockheed Martin facility. The specific weekly schedule will be discussed during the hiring process.Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.Schedule for this Position: 4x10 hour day, 3 days off per weekLockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.Experience Level: Experienced ProfessionalBusiness Unit: RMSRelocation Available: PossibleCareer Area: Cyber Security EngineeringType: Full-TimeShift: First