On‑Site ISSM – DoD RMF Cybersecurity Leader

Williams International; Pontiac (MI); On-site; USD 120,000 - 160,000; Full time

Job summary

Williams International in Pontiac, MI seeks an Information System Security Manager (ISSM) to lead the cybersecurity program for all information systems under their purview. The ISSM serves as the security advisor to leadership ensuring RMF/JSIG compliance and effective risk management.

Responsibilities include developing security policies, maintaining artifacts (SSP/POAM), coordinating with AO/SCA, monitoring threats, and guiding continuous monitoring. This is a 100% on-site role requiring U.S.

Qualifications

• Bachelor’s Degree in a related field and 2-3 years of related experience.
• Possession of Secret clearance with SAP eligibility or ability to obtain.
• DoD RMF/JSIG knowledge and experience with RMF artifacts and controls.
• Strong communication, leadership, and team collaboration skills.
• Ability to work in secure environments and handle multiple projects.

Responsibilities

• Lead, manage, and maintain the system security program and policies.
• Coordinate RMF, ATO processes, and authorization activities with stakeholders.
• Oversee artifacts (SSP, POAM) and ensure documentation accuracy.
• Monitor vulnerabilities, incidents, and corrective actions; drive remediation.
• Maintain security operations knowledge and provide training/resources as needed.

Skills

Secret clearance

RMF knowledge

Cybersecurity leadership

Communication skills

Independent work

Education

Bachelor’s Degree in a related field

Tools

eMASS

NESSUS

ACAS

SCAP

Job description

Williams International in Pontiac, MI seeks an Information System Security Manager (ISSM) to lead the cybersecurity program for all information systems under their purview. The ISSM serves as the security advisor to leadership ensuring RMF/JSIG compliance and effective risk management.

Responsibilities include developing security policies, maintaining artifacts (SSP/POAM), coordinating with AO/SCA, monitoring threats, and guiding continuous monitoring. This is a 100% on-site role requiring U.S.