Aperio Global

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

Aperio Global

Fort Meade MarylandPosted Jul 7, 2026

Job description

Our Mission Statement

At Aperio Global, we bring together experts in cybersecurity, AI, data analytics, and cloud technologies to solve complex national security challenges. We focus on work where our expertise creates the greatest impact.

Our team includes technologists, Intelligence Community veterans, and security professionals who believe the best solutions come from collaboration, accountability, and technical excellence. From cyber operations and AI platforms to cloud-native software and emerging technologies, our work speaks for itself.

Come Solve With Us

We offer competitive pay, comprehensive benefits, retirement savings with company match, generous paid time off, and professional development. We invest in our people because great missions require great teams.

Aperio Global is seeking a self-starting, motivated individual to be the Information System Security Officer supporting Computer Network Operations with maintaining compliance and strengthening the security posture of critical mission systems via the Risk Management Framework; will be responsible for 6 System Security Plans (SSPs).

Mission Focus:

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.

Technical Proficiency:

Experience as an ISSO 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 and associated tools and tradecraft.

**Qualifications: **

Bachelor's degree plus 8-years of relevant experience or Master's degree plus 6-years of relevant experience. An Associate's degree or 18 semesters hours 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.

**Security Clearance: Active TS/SCI with Polygraph required.**​

Salary Range: 159k-179K

  • The salary range for this role represents Aperio’s good-faith estimate of compensation at the time of posting. Placement within the range is based on multiple factors, including but not limited to an individual’s qualifications, relevant experience, education, certifications, technical skills, contract labor categories and/or rates, work location, market conditions, and business needs. *

Benefits

At Aperio Global, we understand the value of investing in our most important asset—our employees. That's why we have crafted a comprehensive benefits package designed to help you make the best decision for yourself, your family and your lifestyle. For additional details, contact our talent acquisition team.

  • Health Care Plan (Medical, Dental & Vision)
  • 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
  • (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. *