Information Systems Security Officer, Classified Cybersecurity

Reference: 725768BRPosted: 2026-07-23Location: Littleton, ColoradoSalary: $76,500 - $134,895Clearance: TS/SCI w/PolyCompany: Lockheed MartinDescription:This position requires TS/SCI clearance with ability to pass a Polygraph.The Cybersecurity Specialist will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) at the LM Waterton facility in Littleton, CO. 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 work that Cybersecurity Analysts 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:- Oversee 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:• TS/SCI clearance with ability to pass a Polygraph• DoD 8570/8140 IAT Level II certification or higher, or ability to obtain within 6 months of hire.• Knowledge of operating system security requirements.• Knowledge with industry standard Information Assurance tools such as Splunk, SCAP, Nessus.Desired Skills:• Information System auditing experience.• Experience with the National Industrial Security Program Operating Manual (NISPOM) and the Defense Counterintelligence and Security Agency Assessment and Authorization Process Manual (DAAPM).• Experience with Committee on National Security Systems Instruction (CNSSI) 1253, NIST SP 800-37 Risk Management Framework (RMF), and/or NIST SP 800-53 Security and Privacy Controls requirements.• Experience developing, reviewing and maintaining RMF artifacts.• Experience with obtaining and maintaining system ATOs.• Experience implementing new and complex technologies at multiple classification levels within large enterprise environments.Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.Clearance Level: TS/SCI w/PolyOther Important Information You Should KnowExpression 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 offPay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $76,500 - $134,895. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer.Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.This position is incentive plan eligible.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 ProfessionalBusiness Unit: SPACERelocation Available: NoCareer Area: SecurityType: Full-TimeShift: First