Senior Information Security Officer III; ISSO TS​/SCI + Poly

Senior Information Security Officer III (ISSO) TS/SCI + Poly

Fort Meade, Maryland

Senior Information Security Officer (ISSO) – responsible for maintaining compliance and strengthening the security posture of critical mission systems via the Risk Management Framework (RMF). Supports Computer Network Operations and manages six System Security Plans (SSPs).

• Ensure the appropriate operational security posture is maintained for information systems.
• 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 monitoring program.
• Perform regular audits of information systems.
• Assist the information systems security manager in preparing the information system for periodic reaccreditation.

• Experience as an ISSO with emphasis on Defense‑in‑Depth principles, network, and enterprise security architecture.
• Experience applying the principles of NIST 800‑53 and the procedures in the Risk Management Framework (RMF).
• Familiarity with STE/STN requirements and associated tools and tradecraft.

• Bachelor’s degree plus 8 years of relevant experience or Master’s degree plus 6 years of relevant experience.
• Associate’s degree or 18 semesters of military coursework/training in a computer‑related field plus 10 years of relevant experience or high school diploma/GED plus 12 years of relevant experience may be considered.
• Information Assurance Manager (IAM) Tier 1 certification.

Active TS/SCI with Polygraph required.

Salary Range: $159,000 – $179,000.

• Retirement Plan (401k, IRA) with 100% employer match up to 6%
• Life Insurance (Basic, Voluntary & AD&D)
• Paid Time Off (Vacation, Sick & Public Holidays)
• Short Term & Long Term Disability
• Professional Development
• Medical, dental, vision coverage
• 401(k) retirement plan, life insurance, paid time off, disability, professional development, and much more.

Aperio Global is an equal opportunity employer. We are committed to building an inclusive workforce where all employees and applicants are treated with respect and fairness. Employment decisions are based solely on qualifications, merit, and business needs — never on race, color, religion, sex, national origin, age, disability, genetic information, military or veteran status, pregnancy/childbirth, sexual orientation, gender identity, marital status, ethnicity, or any other characteristic protected by applicable federal, state, or local law.