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Information System Security Officer, Classified Cybersecurity Security Clearance

Job in Sunnyvale, Santa Clara County, California, 94085, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-06-15
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security, Network Security, Systems Engineer
Job Description & How to Apply Below
Position: Information System Security Officer, Classified Cybersecurity with Security Clearance
Job Number 729463

Description:

A Final Secret clearance is required to start with ability to obtain Top Secret clearance. Classified Cybersecurity ISSOs help secure lifesaving products and critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability and commercial use. This position will perform duties as a Information Systems Security Officer at the Lockheed Martin Space facility in Sunnyvale, CA.

The work that ISSOs do 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 - You can enjoy a work-life balance that allows for flex hours and a family-first culture.

Key Responsibilities of this role includes:

- Support day-to-day information system security operations including hardware and software implementations.

- Carry out technical administration of IS in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF).

- Upkeep, monitor, analyze, and respond to network and security events.

- Document compliance actions within the approved automated compliance tracking system or develop a plan of actions and milestones (POA&M) with the Information Systems Security Manager (ISSM) to address non-compliance in the allotted time frame.

- Ensure systems are operated, maintained, and disposed of in accordance with internal security policies and practices outlined in the security plan.

- Auditing is a large part of this role's responsibility

Basic Qualifications:

• Secret clearance with ability to obtain Top Secret clearance
• DoD 8570 IAM Level II certification
• Information Systems auditing experience
Hands on experience with industry standard Information Assurance tools
• Technical familiarity with Windows or Linux-based operating systems, and their security requirements Desired

Skills:

- Knowledge of network security (e.g., encryption, firewalls, authentication, perimeter protection).

- Knowledge of network design processes, to include understanding of security objectives, operational objectives, and trade-offs.

- Knowledge of Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs), classified computer operations and experience with the technical configuration requirements for various operating Systems - Demonstrated experience executing Security Hardening on diverse LINUX and Windows Operating Systems based on approved DISA STIGs and SRGs.

- Advanced knowledge of with Risk Management Framework (RMF) as Subject Matter Expert (SME) implementation across multiple phases of a large program.

- Demonstrated technical experience configuring Windows, Networking, and NIX-based operating systems IAW DISA STIGs - In-depth experience in system hardening, analysis, and vulnerability management - Knowledgeable in Solaris/UNIX/Linux command line - Experience implementing complex technologies at multiple classification levels within large environments and at an Enterprise level - Prior Information System Security Engineer (ISSE) or System Administration experience. Security Clearance Statement:
This position requires a government security clearance, you must be a US Citizen for consideration. Clearance Level: Top 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…
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