Information System Security Officer (ISSO)
: Job Details :


Information System Security Officer (ISSO)

Lockheed Martin Corporation

Job Location : King of Prussia,PA, USA

Posted on : 2025-09-06T06:27:17Z

Job Description :
Information System Security Officer (ISSO)

This position requires current Secret clearance and ability to obtain Top Secret clearance. This position is for a level 2 ISSO. 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. The Classified Cybersecurity 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 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 include:

  • 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.

Desired skills:

  • Information Systems auditing experience
  • Demonstrated technical experience in Windows and Linux based operating systems and command line
  • Experience working with, assessing, and securing embedded operating systems
  • Experience in system hardening, analysis, and vulnerability management
  • Experience working with system accreditation requirements and RMF implementation
  • Understand Agile operations while possessing sound business acumen
  • Experience setting up or using Tenable Nessus / Security Center
  • Experience setting up or using Splunk
  • Experience with scripting languages
  • Experience with NIST 800-53 controls
  • Experience implementing or validating Secure Technical Implementation Guidance (STIGs)
  • Bachelors degree from an accredited college in a related discipline, or equivalent experience/combined education, with 2 years of professional experience; or a related Masters degree.

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.

This position will be performed onsite at a designated Lockheed Martin facility in King of Prussia, PA.

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.

This position requires a government security clearance, you must be a US Citizen for consideration. This position requires a Top Secret security clearance.

At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the worlds most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

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.

Pay Rate: The annual base salary range for this position in California and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $73,400 - $129,260. For states not referenced above, the salary range for this position will reflect the candidates 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, candidates 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.

Pay Rate: The annual base salary range for this position in most major metropolitan areas in California and New York is $84,300 - $146,165. For states not referenced above, the salary range for this position will reflect the candidates 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, candidates 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. This position is incentive plan eligible.

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