Information System Security Officer

Description: What We’re Doing:

Lockheed Martin is a Cyber Security pioneer, partner, innovator and builder. Our amazing employees are on a mission to make a difference in the world and every single day we use our unique skills and experiences to create, design and build solutions to some of the world’s hardest engineering problems. Do you want to be part of a culture that encourages employees to think big, perform with excellence and build incredible products? We provide the resources, inspiration and focus – if you have the passion and courage to dream big, then we want to build a better tomorrow with you. At 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. Come and experience your future!
The Work:
Classified Cybersecurity Analysts 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 Cybersecurity Analyst will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) in King of Prussia, PA.


The work that our Information System Security Officers (ISSOs) do can be summarized in this way:


You will have the opportunity to engage in all aspects of the cyber discipline.


It’s really a career, not just a job.
Who we are:
You get to be a part of a company widely recognized as a top employer for women, people of color and veterans – a highly inclusive culture and ranked #12 in Forbes 2025 “America’s Dream Employers” and in the Top 50 of Forbes 2025 “World’s Best Employers”.


You will have an opportunity to make a difference in your first year by:


Deliver security assessments with 100% accuracy – perform system security validations with 100% accuracy, verifying baselines and security configurations.


Maintain 100% active accreditation status of all Authorization to Operate (ATO) packages.


Complete 100% Continuous Monitoring (ConMon) objectives for Classified Information Systems.


Effectively communicate with leadership to ensure awareness of progress of deliverables.


Other Key Responsibilities and Challenges of this role include:


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


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 noncompliance 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.


Ensure proper protection and/or corrective measures have been taken when an incident or vulnerability has been discovered.


Communicate, implement and manage a formal Information Security / Information Systems Security Program together with ISSM and Program Security.


Multiple customers and programs exist that may require equal attention causing competing priorities along with duplicate work.


Auditing is a part of this role’s responsibility and can be
time consuming.

b> 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 Martin’s competitive and comprehensive benefits package.
We support our employees, so they can
Basic Qualifications:
Must possess a DoD 8140/8570 IAM/IAT or IASAE Level II certification (e.g., Security+, CySA+, CASP+, CISSP, or CISM).


Information Systems auditing experience


Hands on experience with industry standard Information Assurance tools


Experience with developing, reviewing and maintaining RMF artifacts
Desired Skills:
Demonstrated technical experience in Windows and Linux based operating systems and command line


In-depth experience in system hardening, analysis, and vulnerability management


Previous experience working with system accreditation requirements and NIST 80053 (DAAPM/JSIG) RMF implementation


Experience implementing complex technologies within large environments, possessing strong technical skills


Experience setting up or using Tenable Nessus / Security Center
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Top Secret with Investigation or CV date within 5 years
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, 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: RMS
Relocation Available: Possible
Career Area: Cyber Security
Type: Full-Time
Shift: First