Senior Cloud ISSO (RMF) for Federal Security Programs

ECS Corporate Services; Washington (District of Columbia); On-site; USD 175,000 - 190,000; Full time

Job summary

Everforth ECS Federal is seeking an experienced Information System Security Officer Sr. (Cloud) to support cybersecurity, risk management, and Security Assessment and Authorization activities for federal information systems in cleared environments.

The role requires Top Secret clearance, 7+ years as an ISSO, and strong RMF/ATO expertise across AWS, Azure, and Google Cloud platforms. You will develop and maintain security documentation, coordinate with stakeholders, and mentor junior staff.

Qualifications

• Active Top Secret clearance required; SCI eligibility may be required.
• 7+ years as an ISSO in a cleared environment.
• 9+ years in cybersecurity/IT or related field.
• Experience with RMF, ATO, POA&M, and continuous monitoring.
• Experience developing and maintaining security artifacts.

Responsibilities

• Execute the RMF-based authorization program for federal systems.
• Provide full lifecycle ISSO support for federal systems.
• Prepare and maintain security authorization documentation and artifacts.
• Support cloud security in AWS/Azure/Google Cloud.
• Coordinate with owners and stakeholders to avoid authorization delays.
• Mentor junior cybersecurity staff.

Skills

RMF expertise

Cloud security

Risk management

Security assessments

Documentation & RMF artifacts

Clearance process / TS

Tools

Tenable Nessus

SecurityCenter

Splunk

IBM Guardium

HP WebInspect

Nmap

Job description

Everforth ECS Federal is seeking an experienced Information System Security Officer Sr. (Cloud) to support cybersecurity, risk management, and Security Assessment and Authorization activities for federal information systems in cleared environments.

The role requires Top Secret clearance, 7+ years as an ISSO, and strong RMF/ATO expertise across AWS, Azure, and Google Cloud platforms. You will develop and maintain security documentation, coordinate with stakeholders, and mentor junior staff.