Red Cell Partners - Platform Security & RMF Lead
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Requirements
• 10+ years of information assurance or security engineering experience with increasing seniority • 5+ years of hands-on ownership of RMF / ATO packages for DoD production systems, including at least one full authorization cycle (categorization → controls → implementation → assessment → authorization → ConMon). • Deep familiarity with DoD security frameworks, RMF processes, and NIST 800-53 controls • Proven ability to operate in complex, multi-enclave or classified environment • US Citizenship Required • Active Secret Clearance • Willing to travel up to 25% for business needs • Active TS/SCI Clearance • Experience supporting USMC or Service-level network environments • Experience with ATO inheritance, reciprocity, or common control provider model • Experience with cross-domain solutions or multi-level security architectures \ • Familiarity with Palantir Foundry or Anduril Lattice environments • Prior experience as an ISSO, SCA, or in a similar senior DoD security role • What Success Looks Like • A clear ATO pathway is defined, approved by stakeholders, and actively progressing • RMF artifacts and compliance evidence are built into the delivery process—not created after the fact • Cross-domain data flows are secure by design, with classification policy embedded at the data level • The platform operates securely across multiple enclaves without requiring re-architecture at each level • Engineering teams proactively engage security early in design decisions • Government stakeholders view the system’s security posture as credible, well-managed, and audit-ready
Responsibilities
• ATO Strategy & RMF Ownership • Define and execute the ATO pathway, including responsibility allocation across government and contractor teams • Author and maintain RMF documentation (SSP, SAP, SCTM, ConMon) in accordance with DoDI 8510.01 and NIST 800-53 • Coordinate with eMASS and Authorizing Officials on assessment and authorization activities • Lead continuous monitoring and reauthorization efforts across the system lifecycle • Cross-Domain Security & Classification Policy • Define security requirements for cross-domain data flows (IL-5, IL-6, tactical edge) • Evaluate and guide selection of DoD-approved cross-domain solutions • Ensure classification-aware data segmentation is enforceable, auditable, and aligned with policy (e.g., NOFORN, REL_TO, ORCON) • Review system architecture to ensure compliant handling of classified data flows • Multi-Enclave Security Architecture • Support secure operation across NIPR, SIPR, and higher classification environments • Define authorization approaches (inheritance vs. standalone ATOs) across enclaves • Ensure security posture scales without requiring fundamentally different architectures • Maintain alignment with evolving joint and service-level security requirements • Platform Security Advisory • Serve as the authoritative internal resource for DoD security and RMF-related questions • Advise on container security, RBAC, service mesh security, PKI/CAC integration, and secrets management • Define expectations for security scanning, container hardening, and vulnerability management (without owning the pipeline) • Evaluate new capabilities for security and authorization impacts prior to production deployment
Benefits
• A fully remote, results-based environment • Competitive salary, bonus, and equity package • 100% employer paid, comprehensive health insurance including medical, dental, and vision for you and your family • Unlimited PTO, with your manager’s approval • Flexible work environment where you manage your work day • 14 weeks of fully-paid parental leave • Salary Range: $175,000-$215,000. This represents the typical salary range for this position based on experience, skills, and other factors. • For full-time roles • Career track opportunity with potential for rapid advancement with strong performance as the firm grows • 100% employer paid, comprehensive health care including medical, dental, and vision for you and your family. • Paid maternity and paternity for 14 weeks at employees' normal pay. • Unlimited PTO, with management approval. • Opportunities for professional development and continued learning. • Optional 401K, FSA, and equity incentives available. • Mental health benefits are available through Tara Mind. • Cost effective GLP-1 solutions available through Crux.
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