Senior ISSO - Flexible Work Arrangements

Lockheed Martin Corporation; Littleton (CO); On-site; USD 96,000 - 178,000; Full time

Job summary

Lockheed Martin in Littleton, CO is seeking an Information System Security Officer to join the RMS Classified Cyber Security team. You will ensure compliance with RMF, DoD/NIST guidance, and government customers, protecting critical DoD programs and national security assets.

The role involves coordinating with government partners, managing ATOs, implementing security procedures, and leading risk assessments across classified networks.

Qualifications

• Active Secret security clearance and ability to obtain TS/SCI.
• DoD8570/8140 IAT Level II certification (e.g., Security+ CE, CySA+, CCNA Security, CND).
• Hands-on experience with Tenable, SIEM (Splunk), endpoint protection (Trellix), and tools like eMASS/XACTA.
• Experience leading RMF to secure Authorizations to Operate (ATO) including RMF, Continuous Monitoring, POA&M, and Change Management.
• Experience with DAAG, NISPOM, NIST SP 800-53, and DISA STIGs.

Responsibilities

• Coordinate and manage interactions with government partners to maintain 100% active ATO.
• Oversee technical administration of information systems per RMF, including Continuous Monitoring, POA&M, and Change Management.
• Develop and implement government-approved information system security procedures and SSPs for operation of classified systems.
• Communicate, implement, and manage a formal cybersecurity program.
• Oversee and conduct risk assessments on cybersecurity architecture and investigate incidents with outside agencies.

Skills

Active Secret clearance

RMF/DoD security

Vulnerability assessment

Incident response

Technical root cause analysis

Cybersecurity tools

Education

DoD8570/8140 IAT Level II

Tools

Tenable

SIEM

Splunk

eMASS

XACTA

Trellix

Job description

Lockheed Martin in Littleton, CO is seeking an Information System Security Officer to join the RMS Classified Cyber Security team. You will ensure compliance with RMF, DoD/NIST guidance, and government customers, protecting critical DoD programs and national security assets.

The role involves coordinating with government partners, managing ATOs, implementing security procedures, and leading risk assessments across classified networks.