Cyber System Security Engineer

Job ID: 721858BR Date posted: Mar. 25, 2026
Description:What We're Doing
At Lockheed Martin, we are pushing the boundaries of innovation to solve some of the world’s most complex challenges. In our Aeronautics division, we are focused on advancing security and resilience for critical defense systems, with a particular emphasis on Training & Logistics systems. Our team is dedicated to applying cutting-edge cybersecurity solutions that safeguard the integrity of systems throughout their lifecycle. We are passionate about ensuring that these systems remain resilient to evolving cyber threats.

What Will You Be Doing:
As a Cyber Systems Security Engineer, you will play a vital role in securing the backbone of mission-critical systems. Your responsibilities will include:
• Designing and developing cybersecurity solutions that span the entire system lifecycle, from initial planning to final validation.
• Conducting risk assessments, including threat modeling and vulnerability analysis, to evaluate and address potential security gaps.
• Collaborating with engineers and system architects to analyze and resolve cybersecurity trade-offs and system design constraints.
• Performing cybersecurity testing to validate that hardware and software designs meet security requirements.
• Employing proven cybersecurity methodologies, processes, and tools, ensuring consistent application across projects.
• Supporting assessment and authorization activities to ensure compliance with required cybersecurity standards.


What’s In It For You:
We offer flexible work schedules to comprehensive benefits investing in your future and security, Learn more about Lockheed Martin’s comprehensive benefits package here.

Do you want to be part of a company culture that empowers employees to think big, lead with a growth mindset, and make the impossible a reality? We provide the resources and give you the flexibility to enable inspiration and focus -if you have the passion and courage to dream big, work hard, and have fun doing what you love then we want to build a better tomorrow with you.


Please note:
MUST BE A U.S. CITIZEN - This position is located at a facility that requires special access. This position requires the ability to obtain and maintain DoD government security clearance at the Secret level.

#Aerocyber
Basic Qualifications:
• Bachelor’s or Master’s degree from accredited university or related experience in Cybersecurity, Computer Engineering, Computer Science, Software engineering or a related field.
• Experience working within the systems development life-cycle (SDLC)
• Excellent communication and interpersonal skills.
• Ability to obtain and maintain DoD Security Clearance at the Secret level.
• Must possess (or be able to obtain within six months of employment start date) a DoD 8570.01-M certification Security+ or higher (IAT Level II Certification)
Desired Skills:
• NIST 800.53 Experience and Knowledge
• Experience with Security Technical Implementation Guides (STIGs)
• Security tooling experience (e.g. Splunk/Trellix/Nessus)
• Scripting experience (e.g. Ansible, Python, Bash, PowerShell)
• Software analysis (e.g. code, requirements, vulnerabilities)
• Experience with windows server administration (e.g. Active Directory, Group Policy)
• Network architecture design and configuration (e.g. Cisco, Palo Alto).
• Experience with Hypervisors (e.g. Hyper-V)
• Linux Experience and Knowledge
• Experience with Raise the Bar (RTB)
• Patch/IAVM Management/Deployment
• Experience using Security Center/ACAS – Assured Compliance Assessment Solution or other vulnerability scanning tools
• Additional certifications in the cloud, networking, server and/or containerization
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Secret
Other Important Information You Should Know
Expression of Interest: 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.
Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules: 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.
Schedule for this Position: 4x10 hour day, 3 days off per week
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.
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.
Experience Level: Experienced Professional
Business Unit: AERONAUTICS COMPANY
Relocation Available: Possible
Career Area: Cyber Security Engineering
Type: Full-Time
Shift: First