Cyber Systems Security Engineer Sr

Job Description

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 AI 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

Basic Qualifications :
• Bachelor's degree in a related field with 5+ years of relevant experience.

• Experience with Linux and Windows operating systems.

• Experience with AI/ML/DL for cyber analysis and auditing.

• Experience with vulnerability scanning and/or patching

• Sec+ Certification.

• Base understanding of Risk Management Framework, (RMF) NIST SP 800-53.

• This position requires the ability to obtain and maintain a DoD government clearance at the Secret level.

• This position requires the ability to travel up to 10%.

Desired skills

Desired skills :
• Masters degree in a relevant field.

• 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 provide status and communicate effectively within the Cyber Security Engineering team and related disciplines (Software, Systems, Test).

• Experience in Systems Engineering and requirements decomposition

• Previous experience with Agile teams, DevSecOps, SW Development, or some other digital transformation technology

• Possess an approved DoD 8570 baseline certification for IAT Level II (CISSP, CAP, etc.)

• Knowledge of Windows Operating Systems

• Knowledge of Linux Operating Systems Administration (Ubuntu and RedHat)

• Experience in networking configuration, security configuration, and protocols


• Knowledge of Application Security and SRGs.

• Technical curiosity to learn new skills and are ready to help across the team.

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, 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.

Other Important Information

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.

Work Schedule Information

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.

National Pay Statement

Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $101,000 - $178,135. For states not referenced above, the salary range for this position will reflect the candidate's final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays.
(Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.
This position is incentive plan eligible.

Premium Pay Statement

Pay Rate: The annual base salary range for this position in most major metropolitan areas in California, Massachusetts, and New York is $116,200 - $201,365. For states not referenced above, the salary range for this position will reflect the candidate's final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays.
This position is incentive plan eligible.