Job ID: 720501BR Date posted: Mar. 23, 2026
Description:Unleash your cybersecurity prowess to shield the heartbeat of technological evolution. Your role goes beyond securing products; it's about empowering the builders of tomorrow, whether they're on the frontlines, exploring the cosmos, or shaping industries.
Lockheed Martin Enterprise Operations is seeking a Classified Cyber Security Manager and Information System Security Manager to join our team’s efforts in supporting and defending classified networks hosted at the corporate level. The Enterprise Operations team of cyber security professionals are Subject Matter Experts (SME) supporting Department of Defense (DoD) programs to ensure classified information systems meet cyber security requirements and government directives by auditing, detecting, analyzing and mitigating cyber threats across multiple Enterprise networks.

The work that our team does can be summarized in this way:
• You will have a direct impact to national security, ultimately contributing to protecting your loved ones – this is dynamic, gratifying and impactful work!
• You will have the opportunity to engage in all aspects of the cyber discipline within our large organization & portfolio, often getting exposure to many projects
• You get to be a part of a company widely recognized as a top employer for women, people of color and veterans – a highly inclusive culture and ranked #13 in Forbes 2023 "World's Best Employers"

You will have an opportunity to make a difference in your first year by:
• Coordinating and managing interactions with government accreditation authorities to facilitate and maintain 100% active accreditation status of all Authorization to Operate.
• Overseeing technical administration of information system in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF) to include Continuous Monitoring, Plan of Action and Milestones (POA&M), and Change Management.
• Developing and implementing government-approved information security procedures and system security plans for the operation of networked and standalone classified computers systems.
• Communicating, implementing, and managing a formal Information Security / Information Systems Security Program together with the Facility Security Officer (FSO) and Program Management.
• Overseeing and conducting risk assessments on cybersecurity architecture and perform comprehensive investigations of computer security incidents, collaborating with outside agencies as required.

Other Key Responsibilities and Challenges of this role include:
• Acquisition, training, development and retention of a technical team of security professionals that are responsible for ongoing compliance of accredited classified computing environments.
• Planning, implementing, monitoring, and upgrading security measures for the protection of the program data, non-deliverable systems, and networks.
• Troubleshooting technical security and network problems.
• Participate in planning and implementation of current and future security domains including those which may introduce new service areas (i.e., Cloud Computing, DevSecOps, etc.).
• Handling mission requirements which may drive unpredictable work hours/schedules
• Working in a high paced environment driven by growing and ever-changing technical implementation requirements
Basic Qualifications:
• MUST BE A U.S. CITIZEN - This position is located at a facility that requires special access
• Current Top Secret security clearance with investigation or CV date within 5 years, with ability to pass a Counterintelligence Polygraph
• Ability to successfully complete additional enhanced security review in accordance with Government contract requirements and it is a condition of employment that individuals hired into positions requiring program clearance obtain and maintain such clearance within sufficient time to allow Lockheed Martin to meet its business needs
• Knowledge of PL3 accreditation processes
• Clearance requirement
• Experience working directly with Government customers and Approval Authorities
o Strong written and verbal communication, analytical, troubleshooting, and interpersonal skills
o Ability to work with multiple customers and foster collaborative team environments
o Experience in SAP/SCI/Collateral environments and knowledge of government contractor network interconnectivity arrangements
• Expertise with the Risk Management Framework (RMF)
o Deep understanding of the NIST Risk Management Framework and the ability to author and maintain SSPs, POA&Ms, and security assessment packages
o Direct experience implementing NIST SP 800 53 security controls
• Proficiency with core cyber security tools, (e.g., Splunk, Trellix ePO, ACAS/Tenable SC)
Desired Skills:
• 8+ years of related experience and may have a post-secondary degree or training in a related discipline
• Prior ISSM/ISSO experience while collaborating with a team of ISSOs in order to satisfy requirements and goals
• PL3 environment experience
• DevSecOps
o Hands on expertise in DevSecOps practices and AI integration for security operations
o Hands on experience with Infrastructure as Code tools (Terraform, AWS CloudFormation, Azure ARM, Ansible) and the ability to review and harden IaC templates for compliance
o Proven expertise in DevSecOps practices, including secure CI/CD pipeline design, automated security testing, and vulnerability management
• High Performance Computing environments
o Hands on experience in information system security or a comparable cyber security role, specifically supporting HPCC or large-scale distributed systems
• Prior experience leading or managing teams
• Prior experience as a Security Controls Assessor (SCA)
• Familiarity with orchestration tools, e.g.:
o Kubernetes, Palette, Harness, Flux, Openshift, Rancher, Docker
• Familiarity with Qmulos
• Proficiency with the ELK stack for log aggregation, analysis, and visualization in a classified environment
• Capacity to manage multiple projects in a fast paced, demanding setting
• Experience with complex operating systems, data center and cloud environments, cross domain solutions, and NSA Type 1/Commercial Solutions for Classified (CSfC) encryption
• Strong Linux background (RHEL, Rocky, CentOS or similar) for system administration, kernel hardening, package management, and security focused configurations
• Proven ability to conduct internal/external customer assessments, identify gaps, and develop corrective action plans
• Proven track record hardening Windows and RHEL systems using approved DISA STIGs/SRGs and implementing NIST SP 800 53 controls
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: CORPORATE HEADQUARTERS
Relocation Available: Possible
Career Area: Security
Type: Full-Time
Shift: First