Cyber Systems Security Engineer- Early Career

Security Clearance

Secret

Shift

First

Direct/Indirect

Direct

Business Area

Rotary and Mission Systems

Department

XECTQQ:Cyber Resiliency C6ISR

Relocation/Housing Stipend Available

Possible

Job Code/Title

E9741:Cyber Sys Secur Engr Asc

Job Class

Cyber Security Engineering

Job Category

4 yr and up College

Program

TTWCS

Req Type

Full-Time

Job 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.

Cyber Systems Security Engineer (CSSE) – TTWCS Program

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

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 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 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%.

Desired skills

• Experience using STIG and vulnerability management tools such as EvaluateSTIG 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 provid