> Markdown version of [/jobs/ext/3934767-it-certified-professional-sr-level](https://www.wearedevelopers.com/jobs/ext/3934767-it-certified-professional-sr-level). 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 - Sr. Level - **Company:** A2 Federal Inc. - **Location:** Aberdeen, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Security Content Automation Protocol, Data Streaming, Nessus, Scap Compliance Checker, Vulnerability Analysis - **Published:** October 26, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9262223/it-certified-professional-sr-level ## About the Role * SecurityX (formerly CASP+) or equivalent certification - Government confirmed CISSP, SecurityX , and CySA + are acceptable. * Minimum 5 years of experience supporting RMF lifecycle reporting. * Experience with software/hardware reconciliation (asset, software, and baseline inventory). ## Description Performs day-to-day RMF lifecycle documentation, reporting, and hardware/software reconciliation for ATC systems under the direction of the IT Sys Solutions Architect-Sr. Maintains authorization artifacts, asset and software baselines, and compliance evidence to keep systems authorized and continuously monitored., * Prepare and maintain RMF artifacts - SSPs, control implementation statements, POA&Ms, continuous monitoring reports - and keep eMASS records current. * Perform hardware and software reconciliation: maintain authoritative asset inventories, approved software lists, and configuration baselines; reconcile against scan and discovery results and the authorization boundary. * Run and analyze STIG/SCAP and vulnerability scan results; document findings, track remediation, and update POA&Ms. * Support security control assessments and audits by assembling evidence and responding to assessor data calls. * Contribute to enterprise security architecture documentation (boundary diagrams, data flows, ports/protocols/services) consistent with DCWF 651 tasks. * Support IAVA/IAVM compliance reporting and periodic FISMA/Army cybersecurity data calls. KNOWLEDGE, SKILLS, AND TOOLS * DoD RMF process and documentation; NIST SP 800-53/53A; DISA STIGs. * eMASS , STIG Viewer, SCAP Compliance Checker, ACAS/Nessus; asset/inventory tooling. * Clear technical writing for authorization packages.