Security / RMF Engineer
Aretum
hybridmidpermanentsecuritybackend McLean, VA Yesterday via LinkedIn
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RMFNIST 800-53ATO LifecycleAWS SecurityServiceNow GRCSIEMVulnerability ManagementCI/CD SecurityIdentity and Access ManagementFISMAFEDRAMP
About the role
Role Overview
Aretum is seeking a Security / RMF Engineer to ensure compliance with VA security requirements and manage the ATO lifecycle. The role may involve handling CUI and adhering to applicable safeguarding and compliance requirements.
Responsibilities
- Develop and maintain RMF documentation, including:
- SSP (System Security Plan)
- POA&M (Plan of Actions and Milestones)
- SAR inputs (as applicable)
- Map and implement security controls across system layers
- Coordinate with VA security stakeholders
- Support vulnerability scanning and remediation
- Enable continuous monitoring and ongoing compliance
Requirements (Core)
- RMF / NIST: NIST SP 800-53, control families, and tailoring
- ATO Lifecycle: SSP development, POA&M management, authorization workflows
- GRC tooling: ServiceNow GRC (or similar) for documentation and tracking
- Cloud Security: AWS security controls and the shared responsibility model
- Identity & Access Management: RBAC, least privilege, federation concepts
- Encryption: TLS, data-at-rest encryption, key management (KMS)
- Vulnerability Management: scanning tools and remediation workflows
- Logging & Monitoring: SIEM integration (e.g., Splunk/Datadog concepts)
- Network Security: segmentation and ingress/egress controls; TIC awareness
- Compliance Exposure: HIPAA awareness and FISMA/FEDRAMP basics
- DevSecOps: security in CI/CD pipelines
- Risk Assessment: identify and document system risks and mitigations
Nice-to-haves / Additional Notes
- Familiarity with security compliance workflows in federal environments
Travel / Work Location
- Remote position with occasional travel (<10%) as needed for project/client meetings, collaboration, or training.
Eligibility
- Public Trust eligibility required.
- U.S. citizenship required to support a federal government contract (ability to obtain and maintain Public Trust or Suitability determination, as required by the agency).
About Aretum
Aretum is a mission-driven federal consulting organization delivering innovative, technology-enabled solutions across defense, civilian, and homeland security. The company works at the intersection of strategy, technology, and transformation, supporting agencies with critical challenges while investing in people through collaboration and professional growth.
Scraped 4/7/2026