Information Systems Security Manager (ISSM)

Job ID: 723942BR Date posted: Apr. 13, 2026
Description:Lockheed Martin Aeronautics. Be More Than You Can Imagine.
At Lockheed Martin Aeronautics (LMA), we approach each day with creativity, innovation, and integrity. We hire people with a broad set of technical skills who are ready to take on some of industry’s greatest challenges and make an impact on our nation’s security. We believe by applying the highest cybersecurity standards and fostering an environment of diversity and inclusion, we are better prepared to meet customer requirements and provide uncompromised information security services.
The selected candidate will join the LMA Classified Cybersecurity Team as an Information Systems Security Manager (ISSM) on-site at Fort Worth, Texas. The ISSM will lead the cybersecurity posture for Special Access Programs (SAPs) within the LMA Classified Cybersecurity Team. This role ensures that all classified information systems meet customer and DoD security requirements throughout the system lifecycle.
Key Responsibilities:
• Execute technical Information Assurance (IA) in accordance with customer security requirements and the Joint Special Access Program (SAP) Implementation Guide (JSIG)
• Author, maintain, and update system security artifacts (ATO, SSP, POA&M, risk assessments, continuous monitoring plans)
• Validate that security controls are correctly implemented and remain effective throughout the system lifecycle.
• Perform continuous monitoring, vulnerability assessments, and incident investigations.
• Design or advise on technical solutions to complex problems which require extensive technical expertise and ingenuity.
• Partner with ISSOs to meet program requirements and achieve security objectives.
• Coordinate with program security, cyber‑management, senior internal stakeholders (e.g., Program Managers), external customers (e.g., Government Security Control Assessors), and other relevant parties to clarify requirements and resolve issues while balancing customer needs against compliance mandates.
• Ensure selected security controls operate as intended in every phase of the information‑system lifecycle.
• Participate in the implementation of current and future security domains (e.g. DevSecOps, AI, CDS, etc.)
• Provide cybersecurity education and training for all system users on appropriate risk mitigation strategies.
• Participate in customer meetings and exercises to satisfy contractual cyber requirements across multiple locations.
• Perform other associated duties as required.

What’s In It For You: 3 day weekends every weekend!
We offer flexible work schedules to comprehensive benefits investing in your future and security. Learn more about Lockheed Martin’s comprehensive benefits package here.
Who You Are
You are a self-starter and have the ability to work in a fast-paced environment. You are able to demonstrate sound judgment, possess a strong attention to detail, and make rational decisions. You thrive in an environment where you are empowered to work your craft, never settling for the bare minimum.
Basic Qualifications:
• U.S. Citizenship.
• Active Top Secret (TS) Clearance with an investigation or Continuous Vetting (CV) date within 5 years.
• Prior experience supporting Special Access Programs (SAP) security environments.
• Ability to travel up to 30% of the time
• Minimum 3 years experience as an ISSO or ISSM.
• DoD 8140 722-Information Systems Security Manager (ISSM)- Advanced Certification i.e. CISSP, CISM, etc.
Desired Skills:
• Advanced experience assessing comprehensive cybersecurity programs i.e. NIST RMF, JSIG
• Proven ability to provide technical security oversight for complex classified networks.
• Strong interpersonal and communication skills.
• Ability to juggle the demands of multiple diverse customers while formulating & driving security direction.
• Team‑oriented mindset with the ability to collaborate across all stakeholder groups.
• Excellent problem‑solving abilities; organized, flexible, and self‑motivated.
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Top Secret with Investigation or CV date within 5 years
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
Type: Full-Time
Shift: First