Cyber Systems Security Engineer- Early Career
Listed on 2026-01-19
-
IT/Tech
Cybersecurity, Systems Engineer -
Engineering
Cybersecurity, Systems Engineer
Description
By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we 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 development 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. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours.
As a Cyber Systems Security Engineer (CSSE) supporting the TTWCS program, you will:
- Perform periodic manual and automated STIG evaluations, tracking deltas across versions and platforms.
- Conduct cyber risk assessment activities, including threat modeling, vulnerability analysis, and evaluation of mitigation strategies.
- Develop, analyze, and validate security design constraints within the cyber domain.
- Collaborate with cybersecurity engineers, system architects, and developers to ensure robust, secure system solutions.
- Conduct cybersecurity test and evaluation of hardware and software to verify compliance with requirements.
- Apply and ensure consistent use of cybersecurity processes, methods, techniques, and tools.
- Prototype and implement software solutions supporting assessment and authorization activities required by customers.
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 10%.
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 or Software Engineering.
- Experience with Linux and Windows operating systems.
- Knowledge of vulnerability scanning and/or patching.
- Sec+ Certification.
- Base understanding of Risk Management Framework, (RMF) NIST SP 800-53.
- Must be a US Citizen; this position will require a government security clearance. This position is located at a facility that requires special access.
- This position requires the ability to travel up to 10%.
- Experience using STIG and vulnerability management tools such as Evaluate
STIG and ACAS. - Experience with employment of DoD Cyber requirements, policies, and processes, to include certification and accreditation as part of DIACAP or RMF.
- Ability to provide status and communicate effectively within the Cyber Security Engineering team and related disciplines (Software, Systems, Test).
- Previous experience with Agile teams, Dev Sec Ops , SW Development, or some other digital transformation technology.
- Knowledge of Windows Operating Systems.
- Knowledge of Linux Operating Systems Administration (Ubuntu and Red Hat).
- Knowledge of Application Security and SRGs.
- Technical curiosity to learn new skills and are ready to help across the team.
This position requires a government security clearance,…
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