> Markdown version of [/jobs/ext/4629334-rmf-security-engineer-required-security-clearance](https://www.wearedevelopers.com/jobs/ext/4629334-rmf-security-engineer-required-security-clearance). 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).

---

# RMF Security Engineer (Required Security Clearance)

- **Company:** InstantServe LLC
- **Location:** Aberdeen Proving Ground, MD, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Configuration Management, Linux, Plan of Action and Milestones, Vulnerability Analysis
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/2_174261245

## About the Role

* Minimum 5 years of RMF experience, including lifecycle reporting and hardware/software reconciliation.
 * Experience managing Windows, Linux, and Apple-based networks in classified and unclassified environments. xrbllit
 * Active CASP+ (SecurityX), CISSP, CySA+, or equivalent certification.

## Description

* Provide cybersecurity engineering and DoD RMF support for government systems.
 * Manage the RMF lifecycle, including ATO authorization, security assessments, and continuous monitoring.
 * Implement and assess security controls in accordance with DoD RMF and applicable standards.
 * Conduct vulnerability assessments, IAVM activities, and POA&M tracking.
 * Support cybersecurity compliance, configuration management, and system security reviews.
 * Analyze system vulnerabilities, recommend corrective actions, and support remediation efforts.
 * Support classified and unclassified environments, including SECRET and TOP SECRET systems.