Senior Information Security Engineer - RMF & A&A Expert

Arcfield; Keyport (WA); On-site; USD 70,000 - 122,000; Full time

Job summary

Arcfield is seeking an experienced Information Assurance professional to support A&A, RMF compliance, and continuous monitoring across multi-level environments. You will maintain system security documentation, run scans, and coordinate with engineering and ISSMs to ensure timely ATO readiness.

The role requires a Bachelor's degree with 8–10 years of IA/ISSE experience, active SECRET clearance, and familiarity with DIACAP, NIACAP, NIST SP 800-37, and DCID 6/3 frameworks.

Qualifications

• Bachelor's degree and 8–10 years of information assurance and information systems security engineering duties.

Responsibilities

• Support Assessment and Authorization (A&A) and Continuous Monitoring ensuring RMF compliance.
• Update System Security Plans, Boundary Diagrams, hardware/software lists in eMASS.
• Run ACAS scans and SSC checks to ensure STIG compliance.
• Track vulnerabilities and update POA&Ms to maintain compliance.
• Coordinate between engineering teams and ISSM to complete ATO packages.

Skills

Information Assurance

Security Compliance

Vulnerability Assessments

Incident Response

Education

BS degree

MS degree

High School Diploma

Tools

eMASS

ACAS

SSC

Job description

Arcfield is seeking an experienced Information Assurance professional to support A&A, RMF compliance, and continuous monitoring across multi-level environments. You will maintain system security documentation, run scans, and coordinate with engineering and ISSMs to ensure timely ATO readiness.

The role requires a Bachelor's degree with 8–10 years of IA/ISSE experience, active SECRET clearance, and familiarity with DIACAP, NIACAP, NIST SP 800-37, and DCID 6/3 frameworks.