DEFCON logo

Platform Security & RMF Lead

Job Overview

Location

Remote, USA

Job Type

Full-time

Category

Cybersecurity

Date Posted

June 3, 2026

Full Job Description

đź“‹ Description

  • • Define and execute the ATO pathway for a mission-critical DoD software platform, including responsibility allocation between government and contractor teams.
  • • Author and maintain RMF documentation—including System Security Plan (SSP), Security Assessment Plan (SAP), Security Control Traceability Matrix (SCTM), and Continuous Monitoring (ConMon)—in full compliance with DoDI 8510.01 and NIST 800-53.
  • • Coordinate directly with eMASS and Authorizing Officials to facilitate system assessment, authorization, and reauthorization activities throughout the RMF lifecycle.
  • • Lead continuous monitoring and reauthorization efforts to ensure ongoing compliance and operational authorization across the system’s lifecycle.
  • • Define security requirements for cross-domain data flows operating at IL-5 and IL-6 classification levels and tactical edge environments.
  • • Evaluate and recommend DoD-approved cross-domain solutions to enable secure data exchange between classified and unclassified systems.
  • • Ensure classification-aware data segmentation is enforceable, auditable, and aligned with policy directives such as NOFORN, REL_TO, and ORCON.
  • • Review system architecture to validate compliant handling of classified data flows and prevent unauthorized information leakage.
  • • Support secure platform operations across NIPR, SIPR, and higher classification enclaves, defining authorization approaches (inheritance vs. standalone ATOs) for each environment.
  • • Ensure security posture scales consistently across enclaves without requiring fundamental architectural changes at each classification level.
  • • Maintain alignment with evolving joint and service-level security requirements from DoD components and military branches.
  • • Serve as the authoritative internal resource for all DoD security and RMF-related questions across engineering, architecture, and government stakeholder teams.
  • • Advise on container security, role-based access control (RBAC), service mesh security, PKI/CAC integration, and secrets management practices.
  • • Define expectations for security scanning, container hardening, and vulnerability management without owning the implementation pipeline.
  • • Evaluate new technologies and capabilities for security and authorization impacts prior to production deployment to prevent compliance risks.
  • • Ensure RMF artifacts and compliance evidence are embedded into the delivery process rather than created as afterthoughts.
  • • Enable engineering teams to proactively engage security early in design decisions to build compliance into the platform from inception.
  • • Ensure government stakeholders view the platform’s security posture as credible, well-managed, and audit-ready at all times.

Skills & Technologies

TypeScript
Senior
Remote
$175k-215k

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About DEFCON

DEFCON is a global leader in the design, development, and manufacturing of advanced electronic components and systems. Specializing in high-reliability solutions for demanding environments, the company serves critical sectors including aerospace, defense, space, and industrial markets. Their product portfolio encompasses a wide range of specialized connectors, cables, sensors, and integrated systems engineered for extreme conditions. DEFCON is committed to innovation, quality, and customer satisfaction, providing bespoke solutions that meet stringent performance and safety standards. With a focus on cutting-edge technology and robust engineering, DEFCON enables mission-critical applications where failure is not an option, ensuring operational integrity and success for their clients worldwide.

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