Onsite ISSO (TS/SCI) - RMF & DoD Security Lead

Beacon Hill; Lexington (MA); On-site; USD 110,000 - 150,000; Full time

Job summary

Beacon Hill seeks an Information System Security Officer (ISSO) to assist with system compliance, manage controls, and follow strict regulations on a 100% onsite basis. The position requires an active TS/SCI clearance and experience with RMF, vulnerability remediation, and DoD/NIST standards.

Responsibilities include developing security documentation, supporting system authorization, continuous monitoring, and incident response activities as needed.

Qualifications

• Active TS/SCI clearance required.
• Experience implementing and maintaining security controls.
• Familiarity with RMF lifecycle and assessment processes.

Responsibilities

• Implement and maintain security controls across systems.
• Support RMF processes including ATO readiness and continuous monitoring.
• Conduct security reviews, audits, and assessments for compliance (NIST 800-53, DoD directives).
• Manage vulnerability remediation efforts and coordinate with stakeholders.

Skills

TS/SCI clearance

CompTIA Security+ or higher

RMF and security controls

NIST 800-53 familiarity

DoD security standards

Tools

ACAS

SCAP

STIG Viewer

Job description

Beacon Hill seeks an Information System Security Officer (ISSO) to assist with system compliance, manage controls, and follow strict regulations on a 100% onsite basis. The position requires an active TS/SCI clearance and experience with RMF, vulnerability remediation, and DoD/NIST standards.

Responsibilities include developing security documentation, supporting system authorization, continuous monitoring, and incident response activities as needed.