Senior ISSM: Strategic Cybersecurity & RMF Leader

Modern Technology Solutions, Inc. (MTSI); Bath Township (OH); On-site; USD 150,000 - 190,000; Full time

Job summary

Modern Technology Solutions, Inc. (MTSI) seeks a Senior Cyber Security - ISSM in Dayton, OH to shape cybersecurity strategy, RMF compliance, and continuous monitoring from development through fielding.

The role represents the customer as an experienced Information Security professional, integrating security requirements, ensuring compliance, and supporting RMF activities across PIT and ground support systems.

Qualifications

• Must meet DoD 8140/8570 IAM II certification requirements.
• Minimum of 10 years of relevant work experience.
• Experience working in a DoD program or product acquisition office environment.
• Have at least 3 years’ experience in a SAP and/or SCI environment within the last five years.
• Master of Arts/Master of Science/Master of Engineering preferred; years of experience may substitute.
• U.S. Citizenship.

Responsibilities

• Lead cybersecurity strategy, RMF implementation, and continuous monitoring for PIT and PIT‑CS systems.
• Integrate security requirements into system design, development, upgrades, and operational processes.
• Advise Information System Owners and security leadership on system impact levels, risk posture, and compliance with laws, regulations, and policies.
• Assess threats, vulnerabilities, and system changes; recommend, implement, and validate appropriate security controls.
• Review, approve, and oversee RMF documentation including SSPs, SCTMs, assessment procedures, SARs, and POA&Ms.
• Conduct, verify, and document security assessments, ensuring accuracy and readiness for authorization.
• Prepare and submit full system authorization packages and provide written authorization recommendations to the AO.
• Apply secure architecture, engineering, coding, and configuration principles across all phases of system development and operation.
• Support teams developing new systems or upgrading legacy systems with expert cybersecurity guidance.
• Identify and resolve integration challenges from new capabilities entering existing infrastructures.
• Stay informed on emerging security technologies, threats, vulnerabilities, and best practices.

Skills

RMF expertise

ISSM responsibilities

Information Assurance

Threat and vulnerability assessment

Security controls implementation

Education

Bachelor's degree in engineering, computer science, cybersecurity, networking, or programming

Tools

DoD 8140/8570 IAM II certification

Job description

Modern Technology Solutions, Inc. (MTSI) seeks a Senior Cyber Security - ISSM in Dayton, OH to shape cybersecurity strategy, RMF compliance, and continuous monitoring from development through fielding.

The role represents the customer as an experienced Information Security professional, integrating security requirements, ensuring compliance, and supporting RMF activities across PIT and ground support systems.