Information Systems Security Officer (ISSO)

Post Date

Jul 07, 2026

Location

O'fallon,
Illinois

ZIP/Postal Code

62225
US
Sep 07, 2026 Insight Global

Job Type

Perm

Category

Security Engineering

Req #

STL-786f4a1e-7e56-4290-9fc8-119b365f1e24

Pay Rate

$60k - $80k (estimate)

Job Description

A client of Insight Global is seeking an Information System Security Officer (ISSO) to support Department of Defense information systems by managing cybersecurity authorization activities, maintaining Risk Management Framework compliance, and supporting continuous monitoring. This position serves as a key member of the cybersecurity team responsible for maintaining Authorization to Operate packages, developing security documentation, coordinating assessments, and ensuring compliance with Department of Defense cybersecurity policies and National Institute of Standards and Technology guidance.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Required Skills & Experience

- Active Secret or Top Secret security clearance.
- Three to five years of Risk Management Framework and Authorization to Operate experience within Department of Defense or federal environments.
- Hands-on experience with Enterprise Mission Assurance Support Service (eMASS).
- Working knowledge of National Institute of Standards and Technology Special Publication 800-53 Revision 5 and Department of Defense Risk Management Framework pcesses.
- Demonstrated ability to independently author System Security Plans and manage Plans of Action and Milestones.
- Bachelor's degree in Computer Science, Cybersecurity, Information Technology, Information Systems, Software Engineering, Data Science, or equivalent experience.

Nice to Have Skills & Experience

- Experience with Enterprise Mission Assurance Support Service Reporter (eMASSer) or similar automation tools.
- Exposure to cloud-hosted or hybrid authorization boundaries.
- Familiarity with the Department of Defense Risk - Management Framework Knowledge Service.
- Experience supporting mission-critical Department of Defense systems.

Benefit packages for this role will start on the 1st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.