Senior ISSM — RMF Leader for DoD Software Security

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 highly experienced Senior ISSM to lead cybersecurity strategy, RMF compliance, and continuous monitoring from development through fielding.

The role represents the customer as an Information Security Professional across all RMF activities for software systems and ground support equipment. Responsibilities include integrating cybersecurity requirements into software design, overseeing documentation, and guiding authorization decisions.

Qualifications

• Must meet Cybersecurity (DoD 8140/8570 – IAM Level III) certification requirements.
• Minimum of 10 years of relevant work experience.
• Experience in a DoD program or product acquisition environment.

Responsibilities

• Lead cybersecurity strategy, RMF implementation, and continuous monitoring for software development and pipelines.
• Integrate cybersecurity requirements into software design, development, and deployment processes.
• Advise system owners and leadership on risk posture and policy compliance.
• Assess threats, vulnerabilities, code changes, and system updates; implement security controls.
• Review and oversee RMF documentation (SSPs, SCTMs, SARs, POA&Ms) for software systems.
• Conduct and document security assessments to ensure readiness for authorization.
• Prepare full authorization packages and provide recommendations to the Authorizing Official.
• Apply secure architecture and coding practices across development lifecycles.
• Evaluate designs for security risks and mitigation strategies.
• Support teams modernizing legacy apps with cybersecurity guidance.
• Identify integration challenges when new capabilities are added to environments.
• Stay informed on emerging security technologies and threats.

Skills

Cybersecurity strategy

RMF implementation

Security assessments

DoD 8140/8570 IAM III

Information Security leadership

Education

Master's degree in a relevant field

Job description

Modern Technology Solutions, Inc. (MTSI) seeks a highly experienced Senior ISSM to lead cybersecurity strategy, RMF compliance, and continuous monitoring from development through fielding.

The role represents the customer as an Information Security Professional across all RMF activities for software systems and ground support equipment. Responsibilities include integrating cybersecurity requirements into software design, overseeing documentation, and guiding authorization decisions.