Cyber Systems Security Engineer - Level 3

Job ID: 725212BR Date posted: Apr. 22, 2026
Description:Our customers include both the U.S. Military and international governments and organizations. Our global reach and technical depth offer an endless amount of opportunities for up-and-coming engineers seeking a place to make their mark – or for seasoned engineers seeking their next career challenge. Join us and see where your Lockheed Martin Aeronautics journey will take you!

The Cyber Systems Security Engineer is responsible for the configuration and administration of network information systems procedures for classified and unclassified IT network systems in accordance with the customer specific requirements for deliverable and non-deliverable labs. This position is in support of the F-22, F-16, and F-35 development laboratory programs.

The successful candidate will be required to: Interpret requirements to determine technical requirements and prepare to facilitate proper system configuration of network equipment. Provide engineering support for lab networks to include performing network configuration, system vulnerability assessments and assisting with the development of network architectures. The specific responsibilities include supporting development of system network requirements, evaluating system requirements from government information security documentation, and supporting system requirements translation into network architecture and implementation plans for the laboratory systems.

This position will require close coordination with the program System Security Engineering representatives, project management, system architects, chief engineers, project customers, hardware and software development teams, system integration teams, and other system security engineers implementing development requirements and system policies.

Candidates must exhibit excellent problem solving skills, be a team player, possess excellent communications and interpersonal skills, and be able to adjust work schedule periodically to support program activities.
Applicant selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information.

A level 3 employee Typically has 4 - 8 years of professional experience.


**Must be a US Citizen. This position is located
at a facility that requires special access and must
have the ability to obtain SAP/SAR Clearances.
Basic Qualifications:
4+ years experience with DoD secure labs
Active Secret Security Clearance
DOD 8570 Level II compliant certification,
CompTIA Security+ or higher
Experience with administration of various
manufacturer network devices using command
line interface
Experience with system administration of Linux
and/or Windows Systems (both Desktop and
Server)
Desired Skills:
Network Professional Certifications (CCIE, CCNA,
CCNP, Network+)
RMF knowledge and experience
Experience with network architecture design and configuration (e.g. Cisco, Extreme and/or Juniper switches)
Experience in system and network integration for
Windows and Linux platforms
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