Standard Job Description

What We’re Doing

At 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 Work

We 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 Are

We 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 Are

You 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 Us

At 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.