Classified Cyber Security Sr

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Classified Cyber Security Sr

Full Time

Huntsville AL 35899 USA

Posted 03/20/2026

Job Descriptionback to top

Description:What Were Doing:
Lockheed Martin Rotary and Mission Systems, we are driven by innovation and integrity. We believe that by applying the highest standards of business ethics and visionary thinking, everything is within our reach and yours as a Lockheed Martin employee. Lockheed Martin values your skills, training, and education.

As a cyber security professional at Lockheed Martin, youll safeguard the sensitive information and warfighting capabilities that our citizens and the world depend upon to protect U.S. and ally interests. Here, youll work alongside other cyber security experts and military members to support their military operational objectives by providing them with a safe and secure operating environment. In this fast-paced, real-world environment, youll draw on all your education and experience as well as the resources of Lockheed Martin to keep these exquisite capabilities protected. We are looking for an individual to serve as a Information System Security Officer (ISSO).
The Work:
Duties will include but are not limited to:
This Mid-Career Information System Security Officer (ISSO) position is responsible for cybersecurity efforts at the Huntsville, AL facility supporting development, maintenance, and oversight of the assigned classified and/or unclassified systems. Typical responsibilities of the ISSO may include but are not limited to:

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.
Maintaining the sites cybersecurity program for assigned systems.
Ensuring all applicable cybersecurity policy, plans and procedures are followed.
Ensuring required cybersecurity controls are implemented and validated, to include continuous monitoring actions and auditing for assigned systems.
Developing and maintaining cybersecurity related plans, procedures and guidance.
Monitoring and recognizing non-compliance, suspicious and anomalous activity (i.e., threats), and effectively reporting such activity and associated risks to the appropriate parties.
Ensuring plans of actions and milestones or remediation plans are in place for vulnerabilities identified during monitoring activity, audits, inspections, etc. and implementing, or overseeing, required corrective actions.
Conducting role-based cybersecurity training for assigned users.
Creating, collecting and retaining data to meet reporting requirements.
Monitoring and correlating data (e.g., logs, events, activity, etc.) from a variety of sources (e.g., Splunk, ePO, ESS, ACAS, etc.) to identify and mitigate threats, vulnerabilities and non-compliance.
Investigating, analyzing and responding to cyber events, incidents and non-compliance, to include trend analysis, assembling detailed written reports and briefing the appropriate parties.
Ensure configuration management (CM) for security-relevant IS software, hardware, firmware, and system documentation.

Who we are:
Lockheed Martin is a Cyber Security pioneer, partner, innovator, and builder. In support of our many customers, the amazing members of our team are responsible for providing all aspects of cybersecurity support in a complex environment. In a rapidly growing enterprise, this role offers the opportunity to grow and hone the unique skills and experiences required as a cybersecurity expert to create, design, and build solutions to some of the worlds hardest engineering problems.

Why Join Us:
Your Health, Your Wealth, Your Life
Our flexible schedules, competitive pay and comprehensive benefits enable you to live a healthy, fulfilling life at work and home.
Learn more about Lockheed Martins competitive and comprehensive benefits package.
We support our employees, so they can support our mission.
Basic Qualifications:
- 5 years or more of ISSO or SOC Analyst experience or other Information Assurance discipline
- Demonstrated experience utilizing Tenable.sc, Trellix ePO, Splunk, and/or other vulnerability management compliance tools
- Experience hardening Operating Systems to DISA STIG baselines
- Experience with Information Systems auditing and investigations
- Possess a valid certification that meets or exceeds DoD 8140 basic foundational requirements for ISSO work role, to include Security+, GSEC, CAP, CASP+, CCISO, CSSP, CISM, CISSP, Cloud+, SSCP, or GSLC
- Current Secret Clearance
Desired Skills:
Desired skills :
- Attention to detail and adherence to established security policies
- Excellent verbal and writing skills
- Experience with system certification, auditing, and continuous monitoring
- Experience managing and implementing the ATO Lifecyle utilizing eMASS, Xacta, or other technologies
- Experience with network device configuration (i.e., Cisco, Juniper, etc)
- Account Management
- Experience with Agile and DevSecOps concepts and toolsets (e.g. JIRA, Confluence, Docker, Ansible, Git, etc.)
- Experience with the National Industrial Security Program Operating Manual (NISPOM) and the DCSA Assessment and Authorization Guide (DAAG)
- Familiarity with Joint Special Access Program (SAP) Implementation Guide (JSIG), Committee on National Security Systems Instruction (CNSSI) 1253, NIST SP 800-37 Risk Management Framework (RMF), and/or NIST SP 800-53 Security and Privacy Controls requirements
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, youre 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: RMS
Relocation Available: Possible
Career Area: Cyber Security
Type: Full-Time
Shift: First

Job Requirementsback to top

- 5 years or more of ISSO or SOC Analyst experience or other Information Assurance discipline
- Demonstrated experience utilizing Tenable.sc, Trellix ePO, Splunk, and/or other vulnerability management compliance tools
- Experience hardening Operating Systems to DISA STIG baselines
- Experience with Information Systems auditing and investigations
- Possess a valid certification that meets or exceeds DoD 8140 basic foundational requirements for ISSO work role, to include Security+, GSEC, CAP, CASP+, CCISO, CSSP, CISM, CISSP, Cloud+, SSCP, or GSLC
- Current Secret Clearance

Job Detailsback to top

Location Huntsville, AL, 35899, United States

Categories Unspecified

Sec Clearances Secret

Pref Degree Bachelors

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Contact Informationback to top

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Job Code 718247BR

Classified Cyber Security Sr