Cyber Systems Engineer, DAO-Rep (RMF/IA)

Arcfield; Chantilly (VA); On-site; USD 134,000 - 233,000; Full time

Job summary

Arcfield seeks a senior cybersecurity professional to provide DAO-R support under a SETA program for a National customer. The role focuses on RMF, ATO, risk posture, and continuous monitoring across cloud environments, with the ability to lead security control assignments and liaise with multiple ISSOs and stakeholders.

Applicants should hold TS/SCI with Poly and DoD 8570 IAT/IAM certification, have extensive RMF experience, strong reporting skills, and be able to work in a SCIF.

Qualifications

• Must possess TS/SCI with Poly clearance.
• 10–12 years with BS/BA or 8–10 years with MS/MA or 5–7 years with PhD.
• Able to support core hours in a SCIF environment (0900-1500; Mon–Fri)
• Level III DoD 8570 certification in IAT or IAM (or ability to attain within 6 months)
• Experience implementing RMF Process and NIST 800-53 controls, plus certification/ accreditation docs
• Familiarity with Cloud (Azure, AWS, OCI, Google) and Cloud Security groups
• Experience with vulnerability management tools and Splunk
• Familiarity with reporting to senior customer personnel via briefings

Responsibilities

• Adhere to ICD-503 and RMF lifecycle (RMF 1-6) for customer assets.
• Provide risk recommendations after reviewing asset risk posture.
• Manage POAMs with security stakeholders post-authorization.
• Screen new asset requests for sponsorship and system owner identification.
• Facilitate System Review Team for project regulation, CIA impact, overlays.
• Assign asset security controls and fix controls not met during reviews.
• Ensure assets maintain security posture per Continuous Monitoring RMF Step 6 guidance.
• Provide daily adhoc authorization-related support to customer and programs

Skills

TS/SCI with Poly

RMF/NIST 800-53

Vulnerability management

Cloud familiarity

Team collaboration

Report generation

Education

BS/BA in STEM

MS/MA

PhD

Tools

Splunk

ServiceNow

Job description

Arcfield seeks a senior cybersecurity professional to provide DAO-R support under a SETA program for a National customer. The role focuses on RMF, ATO, risk posture, and continuous monitoring across cloud environments, with the ability to lead security control assignments and liaise with multiple ISSOs and stakeholders.

Applicants should hold TS/SCI with Poly and DoD 8570 IAT/IAM certification, have extensive RMF experience, strong reporting skills, and be able to work in a SCIF.