Security Controls Assessor (Part time & Remote)

TestPros

📍 Sterling, VA, United States

Full-time other-general Posted June 20, 2026

Job Description

TestPros delivers innovative independent IT assessment solutions to critical challenges facing the nation and the world.  We support the U.S. Federal Government and Commercial clients within the continental USA. TestPros is dedicated to making lives better, safer and more secure.

TestPros is looking for Security Controls Assessors with experience performing on risk management programs for U.S. Federal and commercial clients by utilizing NIST, RMF, and FISMA compliance frameworks.

Start: Future projects late 2026 or 2027 (not an immediate job opening) 

Type: Part-time consulting

Overview

Specifically, we are looking for professionals with experience in conducting NIST 800-53 Rev 5 based Authority To Operate (ATO) support.

Responsibilities and Duties:

You should be able to deliver on the following expertly and consistently:

+ Develop NIST 800-53 Rev5 based System Security Plan (SSP).

+ Create/Update the appl...