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# Sr IT Certified Professional

- **Company:** MAGNUS MANAGEMENT GROUP, LLC
- **Location:** Aberdeen Proving Ground, MD, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Configuration Management, Information Systems, Linux, Security Content Automation Protocol, Network Support, Plan of Action and Milestones
- **Published:** November 3, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9283873/sr-it-certified-professional

## About the Role

* CASP+ (CompTIA SecurityX) or an equivalent DoD 8570/8140 certification, such as CISSP
 * 5+ years supporting RMF lifecycle reporting and hardware/software reconciliation
 * Experience managing networks across Windows, Linux, and Apple platforms
 * Experience in unclassified and classified (Secret) environments
 * Ability to obtain and maintain SIPRNet access
 * Meets DoD 8570.01-M / DoDD 8140.01 baseline certification requirements at contract award
Preferred

 * eMASS, DISA STIG, SCAP, and ACAS experience
 * DoD test and evaluation or Army network experience

## Description

Carry out the RMF work that establishes and maintains ATOs for ATC's unclassified and classified networks, reporting to the Senior Solutions Architect.
Responsibilities

 * Categorize ATC information systems and define system boundaries; gather mission, operating environment, and interconnection information
 * Select, implement, and assess management, operational, and technical security controls; verify and validate control effectiveness
 * Prepare and maintain RMF documentation and support Security Control Assessor activities
 * Perform continuous monitoring, POA&M maintenance, and IAVM activities
 * Reconcile hardware and software inventories against approved baselines
 * Review engineering changes and support Configuration Management boards
 * Top Secret surge position: perform the same work for Top Secret enclaves under ICD 503