Information Systems Security Officer - E4; Clearance Required
Job in
Littleton, Arapahoe County, Colorado, 80166, USA
Listed on 2026-10-17
Listing for:
Lockheed Martin
Full Time, Part Time, Seasonal/Temporary
position Listed on 2026-10-17
Job specializations:
-
IT/Tech
Cybersecurity, Information Security & Data Protection
Job Description & How to Apply Below
Requisition Eligible?:
Yes
ERP amount: $5,000
Relocation:
No
Type:
Exempt
Shift: 1
Clearance Prior to Start:
Secret Final Clearance:
Top Secret Pay Transparency: $ - $Experience Level: Experienced Professional FT/PT/Casual:
Full Time Department :
Space Business Unit:
Space Standard
Job Description The Cybersecurity Analyst will partner with the security team, program leadership, engineering teams, and government customers to serve as an Information Systems Security Officer (ISSO) supporting the Proliferated Warfighter Space Architecture (PWSA) / SDA Tranche program, which currently consists of three networks operating under separate Authorities to Operate (ATOs).Classified Cybersecurity Analysts help secure mission-critical systems, advanced engineering environments, and technologies that directly support national security.
This role applies cybersecurity principles, risk management, and regulatory requirements to protect classified information systems supporting the warfighter and critical space missions.
The work performed in this role provides the opportunity to:
Directly contribute to national security through meaningful and mission-focused cybersecurity work.
Engage across multiple cybersecurity disciplines, technologies, and system lifecycle activities.
Collaborate with program leadership, engineering, security professionals, and government customers.
Work in an environment that supports professional growth, flexibility, and work-life balance.
Key responsibilities include:
Perform day-to-day Information System Security Officer (ISSO) responsibilities and provide technical cybersecurity guidance for assigned classified information systems.
Support and maintain Risk Management Framework (RMF) authorization packages and system Authorities to Operate (ATOs).Monitor, analyze, document, and respond to cybersecurity events, vulnerabilities, and security incidents.
Document compliance activities within approved cybersecurity and compliance tracking systems and develop and manage Plans of Action and Milestones (POA&Ms), as required.
Ensure classified information systems are operated, maintained, and disposed of in accordance with applicable government regulations, security policies, and approved procedures.
Support configuration management of security-relevant hardware, software, firmware, operating systems, and system documentation.
Maintain required information system lifecycle and authorization documentation.
Evaluate proposed system changes, hardware, software, and emerging technologies to determine cybersecurity and authorization impacts and provide recommendations to the ISSM and program leadership.
Support implementation of new and complex technologies across multiple classification levels while maintaining compliance with established cybersecurity requirements.
Conduct cybersecurity education, awareness, and role-based training for system users, administrators, and program personnel.
Participate in internal and external cybersecurity assessments, audits, inspections, and risk assessments.
Support investigations involving cybersecurity incidents, policy violations, vulnerabilities, and potential compromises.
Ensure appropriate protection, mitigation, and corrective actions are implemented when vulnerabilities or cybersecurity incidents are identified.
Implement and enforce applicable cybersecurity policies and procedures in coordination with the ISSM, CPSO, engineering, and program leadership.
Support continuous monitoring activities, vulnerability assessments, security control validation, and remediation efforts throughout the system lifecycle.
Coordinate with government customers and authorization authorities to support system assessments, authorization decisions, and ongoing compliance.
Basic Qualifications Active SECRET security clearance required.
DoD 8570/8140 IAM Level III certification required.
Hands-on experience with industry-standard Information Assurance and cybersecurity tools used to obtain and maintain system authorization, including vulnerability scanning, auditing, endpoint protection, Security Information and Event Management (SIEM), and authorization package submission tools.
Demonstrated ability to analyze cybersecurity requirements, policies, procedures, vulnerabilities, and compliance discrepancies to determine appropriate risk-based courses of action and corrective measures.
Experience leading and executing the Risk Management Framework (RMF) process, including coordination with government Authorizing Officials and…
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