ISSO - Information System Security Officer

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

Seeking an Information System Security Officer (ISSO) to assist with system compliance, manage controls, and follow strict regulations.

Due to the nature of the work an active Top Secret SCI Clearance is required.

Responsibilities and Requirements

• CompTIA Security + or higher
• TS/SCI security clearance REQUIRED
• 100% onsite role
• The ISSO will be responsible for implementing and maintaining security controls, supporting the Risk Management Framework (RMF) process, managing vulnerability remediation efforts, and ensuring systems remain compliant with federal and DoD security standards.
• Manage and maintain cybersecurity compliance for classified information systems.
• The ISSO will support the Risk Management Framework (RMF) lifecycle, including system authorization and continuous monitoring activities.
• Experience supporting Special Access Programs (SAP) or SCI environments.
• The ISSO will develop, maintain, and update security documentation, including System Security Plans (SSPs), POA&Ms, Security Control Assessments, and related artifacts.
• Conduct security reviews, audits, and assessments to ensure compliance with NIST 800-53, DoD directives, and customer requirements.
• Perform vulnerability management activities using tools such as ACAS, SCAP, and STIG Viewer.
• Track, document, and coordinate remediation of identified vulnerabilities and security findings.
• The ISSO will monitor systems for security compliance and support incident response activities as required.
• Support ongoing Authorization to Operate (ATO) efforts and continuous authorization requirements.

Beacon Hill is an equal opportunity employer and individuals with disabilities and/or protected veterans are encouraged to apply.

California residents:

Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.

Company Profile:

Beacon Hill Technologies, a premier National Information Technology Staffing Group, provides world class technology talent across all industries utilizing a complete suite of staffing services. Beacon Hill Technologies' dedicated team of recruiting and staffing experts consistently delivers quality IT professionals to solve our customers' technical and business needs. Beacon Hill Technologies covers a broad spectrum of IT positions, including Project Management and Business Analysis, Programming/Development, Database, Infrastructure, Quality Assurance, Production/Support and ERP roles.

Learn more about Beacon Hill and our specialty divisions, Beacon Hill Associates, Beacon Hill Financial, Beacon Hill HR, Beacon Hill Legal, Beacon Hill Life Sciences and Beacon Hill Technologies by visiting www.bhsg.com.

Benefits Information:

Beacon Hill offers a robust benefit package including, but not limited to, medical, dental, vision, and federal and state leave programs as required by applicable agency regulations to those that meet eligibility. Upon successfully being hired, details will be provided related to our benefit offerings.

We look forward to working with you.

Beacon Hill. Employing the Future.