Information Systems Security Officer (ISSO)
 Markon Solutions | |||||||||
USD $120,000.00 - USD $200,000.00 /Yr.
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life insurance, paid time off, tuition assistance, 401(k)
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 United States, Maryland, Annapolis Junction | |||||||||
 Aug 31, 2026 | |||||||||
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Information Systems Security Officer (ISSO) Location
US-MD-Annapolis Junction ID
2026-8645
Description PLEX Solutions, A Part of Markon is looking for a self-starting, motivated individual to be the Information System Security Officer supporting Enterprise Discovery lab with maintaining compliance and strengthening the security posture of critical mission systems via the Risk Management Framework. Responsibilities * Ensure the appropriate operational security posture is maintained for an information system
* Support continuous monitoring of networks to detect and correct areas of security non-compliance, unmitigated vulnerabilities, and other risks
* Follow consistent security processes and play a role in the information systems continuous monitory program
* Perform regular audits of information systems
* Assist the information systems security manager in preparing the information system for periodic reaccreditation
Qualifications
Active TS/SCI W/ Polygraph
Desired Qualifications: * Experience as an ISSO/ISSE with emphasis on Defense-in-Depth principles, network, and enterprise security architecture
* Experience applying the principles of the NIST 800-53 including the procedures in the Risk Management Framework (RMF)
* Familiarity with STE/STN requirements
* Excellent written and oral communication skills Salary Range USD $120,000.00 - USD $200,000.00 /Yr.
The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. Overview Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions. At Markon, we don't just offer jobs - we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work. Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services. Markon values people and the tremendous impact each individual can make - which is why we're consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation's most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters - bringing out the best in each other to advance our clients' missions. Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled. Benefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays. | |||||||||