Information Systems Security Officer, Classified Cybersecurity

Information Systems Security Officer, Classified Cybersecurity 4.0 4.0 out of 5 stars King of Prussia, PA Full-time Lockheed Martin Corporation 9,969 reviews

Full-time JOB ID:

726829BR Date posted: May. 01, 2026

Description:

This position requires current Top Secret clearance. Classified Cyber Security 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. The selected candidate will be part of the Space - Security & Emergency Services organization, and function as an Information System Security Officer (ISSO) in Valley Forge, PA, supporting a variety of classified programs as part of a team. 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:

Current Top Secret clearance DoD 8570 IAT Level II certification or ability to obtain within 6 months of hire Information Systems auditing experience Knowledgeable of operating system security requirements Hands on experience with industry standard Information Assurance tools

Desired Skills:

Experience with RMF Experience with

Security Directives, Policies, Publications and Regulations 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 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:

9x80 every other Friday off 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:

SPACE Relocation Available:

No Career Area:

Security Type:

Full-Time Shift:

First At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.

Pioneering Defense Technology:

From aerospace to outer space to cyber space, you can innovate mission solutions alongside the best minds in the business.

United By Culture:

Excellence, integrity, and collaboration define us. We accelerate change and embrace one another's perspectives to win for our customers.

Real Impact, Real Growth:

Grow your career and skills for life. Our wide array of opportunities and technology-driven learning programs enable your development and agility.

Your Health, Your Wealth, Your Life:

Competitive pay, comprehensive benefits and flexible schedules designed so you thrive — at work and beyond. Empowered to

Be Your Best:

Use your strengths to make a difference in the lives of one another, our customers, our communities, and our planet. Here, the possibilities are endless because we offer: Flexible Schedules, dependent on role

Levels:

Student, Entry, Mid, Senior, Management Locations:

Nationwide & OCONUS Positions