Description:Lockheed Martin is seeking a seasoned
Information Systems Security Officer (ISSO) to safeguard our systems against emerging threats and ensure strict compliance with all governing documents, security policies, and federal regulations. In this role you will implement and test state of the art secure operating systems, networks, and database solutions, conduct risk assessments, and provide expert guidance throughout the program life cycle.
Key Responsibilities•
Compliance & Regulatory Assessments – Lead periodic regulatory assessments, validate system security requirements, and create, maintain, and submit security documentation (SSPs, POA&Ms, assessment packages) to the appropriate agencies.
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Secure System Implementation – Deploy, harden, and test Windows and Linux operating systems, networks, and database platforms using approved DISA STIGs/SRGs and NIST RMF controls.
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Vulnerability Management & Training – Monitor system vulnerabilities, operate security tools (Splunk, Trellix ePO, ACAS/Tenable SC), and deliver up to date security training to all system users.
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Risk Assessment Mitigation – Perform comprehensive risk analyses, recommend secure implementation strategies, and apply an architectural risk framework to align current systems with future requirements and trends.
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Certification & Accreditation – Plan and execute information system certification and accreditation activities, including testing, liaison with assessors, and post assessment remediation.
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Documentation & Architecture – Produce and maintain information system security architectural documents that conform to DoD/GAO standards and cyber security directives.
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Stakeholder Collaboration – Build and sustain effective relationships with multiple customers, engineering teams, and senior leadership; communicate findings clearly in written reports and oral briefings.
Basic Qualifications:• Hands on experience hardening Windows and/or Linux systems per approved DISA STIGs and SRGs.
• Proficiency with core cyber security tools, (e.g., Splunk, Trellix ePO, ACAS/Tenable SC).
• DoD 8570/8140 IAT Level II or III certification (Security+, CISSP Associate, etc.).
• Demonstrated information system auditing experience.
• Strong written and verbal communication, analytical, troubleshooting, and interpersonal skills.
• Ability to work with multiple customers and foster collaborative team environments.
• Active U.S. government security clearance (Secret or higher) with eligibility for classified or sensitive projects.
Desired Skills:• Prior experience as an ISSO or an equivalent DoD security role in a similarly complex organization.
• Experience in SAP/SCI/Collateral environments and knowledge of government contractor network interconnectivity arrangements.
• Comfortable presenting to large audiences and delivering briefings.
• Bachelor’s degree in a related discipline or equivalent combined education/experience.
• Advanced certifications such as CISSP, CISM, AWS Certified Security – Specialty, or Microsoft Certified: Azure Security Engineer Associate.
• 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.
• Deep understanding of the NIST Risk Management Framework and the ability to author and maintain SSPs, POA&Ms, and security assessment packages.
• Proven expertise in DevSecOps practices, including secure CI/CD pipeline design, automated security testing, and vulnerability management.
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 KnowExpression 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: Cyber Security
Type: Full-Time
Shift: First
