Cybersecurity/RMF Specialist – Secret Clearance | Remote

Introduction

Cambridge International Systems, Inc. is a dynamic global team united by shared values: commitment, integrity, and perseverance. We are seeking a Cybersecurity/RMF Specialist to support our team.

What You’ll Do

As a Cybersecurity/RMF Specialist, you will play a critical role in supporting system security throughout the development lifecycle in alignment with DoD/DoN RMF guidance. Your responsibilities will include:

• Design, implement, and maintain system security controls across the RMF lifecycle, with emphasis on Stage 4 – Implementation
• Assess management, operational, and technical controls to evaluate compliance and risk posture
• Develop and maintain RMF documentation (SSPs, POA&Ms, SARs, SOPs, contingency plans, privacy impact assessments)
• Manage updates in eMASS and maintain system records in DADMS
• Perform STIG validations, vulnerability assessments, and annual RMF reviews
• Support audits, configuration management, and Configuration Control Board (CCB) activities
• Maintain inventories of authorized software, ports, protocols, and system components
• Provide cybersecurity reports, risk recommendations, and ATO strategy guidance to stakeholders
• Lead or support contingency planning, disaster recovery reviews, and tabletop exercises

What You’ll Bring

Required Qualifications:

• Education & Experience:

+ Bachelors preferred but not required + 5 to 7 years of experience in cybersecurity with focus on RMF, system security engineering, or A&A efforts

• Technical Expertise:

+ Strong experience in experience across the 7 RMF lifecycle stages, especially Stage 4 (Implementation) + Hands on experience with RMF documentation and DoD /DoN accreditation processes + Familiarity with eMASS, DADMS, STIGs, GIAP/SNAP, and DoDI 8510 series + Working knowledge of