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Cyber Systems Security Engineer III

Job in Littleton, Arapahoe County, Colorado, 80161, USA
Listing for: Lockheed Martin Corporation
Full Time position
Listed on 2026-07-01
Job specializations:
  • Engineering
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Job Description

Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future.

At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security vision. We're erasing boundaries and forming partnerships across industries and around the world. We're advancing spacecraft and the workforce to fuel the next generation.

And we're reimagining how space can connect us, ensuring security and prosperity.

For over 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy's mission to provide affordable and credible strategic defense. We offer unique career opportunities and challenges on a program with a rich history and exciting future. We help keep this nation and our allies secure. The FBM Program is experiencing significant growth and we need your expertise to deliver amazing new technologies to our customers while maintaining the technical requirements of the strategic deterrence.

Learn about the Trident II D5 Fleet Ballistic Missile.

We want you to support the Fleet Ballistic Missile (FBM) Program by joining the Systems Security Engineering (SSE) team as a Senior Cyber Systems Security Engineer. The FBM SSE team handles all Security Engineering development and execution for the Engineering Integration and Test (SEIT) team and Missile Subsystems.

We have a Weapon System level view of the FBM Program with activities related to integrating FBM Cyber and Systems Security capabilities for the Life Extension 2 (LE2) missile into the submarine weapon system, as well as supporting efforts to integrate missile subsystems into the flight vehicle design.

As a Senior Cyber Systems Security Engineer for SEIT on the FBM Life Extension 2 (LE2) program, you will:

Support our large, dynamic and critical program in achieving Hardware Assurance (HwA) processes to meet Navy processes
Integrate HwA into Systems Engineering (SE) and Cyber Security Processes
Provide guidance to achieve Hardware (HW) trustworthiness and risk management in systems and life cycles
Apply Systems Engineering and Cyber Security principles to meet functional and objective mission requirements .
Coordinate across Integrated Product Teams, customer and other contractors to execute System Security Engineering technologies.
Help ensure the resiliency in the Supply Chain
Organize/coordinate domain expert objective evidence creation and documentation.
Organize/coordinate system level technical reviews.

Basic Qualifications

DoD IAT/IAM Level 2 Certification

Experience with DoD Cyber Security Requirements, Policies, and Procedures (DoD 8500.01, 8510.01, NIST 800 Series.)

Desired skills

Familiar with Supply Chain Risk Management (SCRM) and Hardware Assurance

Experience with Navy Systems Security Engineering and Ordinance Document Compliance
Strong Interpersonal, Communication, Organization and Senior Leader Presentation Skills
Familiar with DoD Levels of Assurance (LoA)
Familiar with DoDI 5200.44
Knowledge of Technical and Risk Management

Experience with Vulnerability Identification and Resolution

#LMSpace Systems Eng
#LMSpace Cyber Eng

EEO

Lockheed 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.

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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,…
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