Senior ISSE: RMF Leader & Security Engineer

Applied Information Sciences, Inc.; Washington (District of Columbia); On-site; USD 101,000 - 152,000; Full time

Job summary

Applied Information Sciences, Inc. is seeking a Senior Information Systems Security Engineer (ISSE) to lead RMF lifecycle activities and provide security engineering leadership across client projects in Washington, DC and Huntsville, AL.

The role emphasizes threat detection, incident response, and security automation to safeguard information systems. The candidate will mentor teams, coordinate risk analyses, and ensure compliance with NIST RMF, delivering high-quality security control

Qualifications

• Minimum 8 years in secure design, analysis, and testing of information-security systems.
• Experience applying standards to ensure baseline safeguards are implemented and documented.
• 8+ years developing/updating security test plans to mitigate risk; multiple certifications listed.

Responsibilities

• Lead RMF lifecycle activities and security-engineering leadership across programs.
• Coordinate security assessments, risk analyses, and endpoint/architecture hardening.
• Oversee audits, remediation, and documentation aligning with NIST RMF guidance.
• Mentor teams, communicate status, and drive continuous security improvement.
• Engage with stakeholders to address security gaps and ensure regulatory compliance.

Skills

Secure architecture design

Threat detection

Incident response

Security automation

Risk analysis

Audits

Documentation quality

Team leadership

Mentoring juniors

Cross-functional collaboration

Tools

RMF framework

Job description

Applied Information Sciences, Inc. is seeking a Senior Information Systems Security Engineer (ISSE) to lead RMF lifecycle activities and provide security engineering leadership across client projects in Washington, DC and Huntsville, AL.

The role emphasizes threat detection, incident response, and security automation to safeguard information systems. The candidate will mentor teams, coordinate risk analyses, and ensure compliance with NIST RMF, delivering high-quality security control