> Markdown version of [/jobs/ext/4370132-it-certified-professional-senior](https://www.wearedevelopers.com/jobs/ext/4370132-it-certified-professional-senior). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# IT Certified Professional-Senior

- **Company:** ER Select LLC
- **Location:** Aberdeen Proving Ground, MD, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Identity and Access Management, Plan of Action and Milestones
- **Published:** October 16, 2026
- **Apply:** https://www.thejobnetwork.com/job/3ce40b0e-0270-48b8-a786-21ee495c7e1e/it-certified-professionalsenior

## About the Role

Required: active Security+ or CASP/SecurityX. Minimum three years supporting RMF lifecycle reporting and software/hardware reconciliation. DoD 8570/8140 IAT Level II or IAM Level I. Active Secret. Army eMASS, STIG, and ACAS work is preferred.

## Description

Senior ISSO / RMF analyst. Supports Seat 1 on the same ATC systems. Does not own the program.

 * Daily eMASS and ISSO work
 * STIGs, scans, POA&M tracking, and artifact collection
 * ATO sustainment and continuous monitoring support
 * On-site with Seat 1