Journeyman RMF Security Engineer

PRISM is seeking a Journeyman RMF Security Engineer to manage the full A&A lifecycle while translating complex cybersecurity requirements into practical implementation and remediation actions. They should have demonstrated experience building and submitting ATO packages, managing eMASS artifacts, evaluating security controls, interpreting ACAS and STIG results, and supporting POA&M closure. This candidate will be comfortable operating in a federal cybersecurity environment, collaborating with system and network administrators, communicating risk clearly, and maintaining the documentation discipline required to support DoD authorization and continuous monitoring activities. This is a remote position., * Provide end-to-end A&A support across all phases of the federal RMF lifecycle.

• Map, implement, interpret, and document RMF security controls in accordance with NIST SP 800-53 and DoD policy.
• Develop, maintain, and submit Authorization to Operate (ATO) packages, including a minimum of six completed ATO packages.
• Manage cybersecurity documentation and artifacts within the eMASS cybersecurity management tool.
• Support the development, maintenance, and remediation of Plans of Action and Milestones (POA&Ms).
• Conduct or support Security Tests and Evaluations (ST&E), control assessments, risk assessments, threat assessments, and authorization activities.
• Plan and monitor security control implementation for networks, enclaves, applications, and information systems.
• Support cybersecurity, privacy, and financial control implementation, testing, monitoring, and enforcement.
• Interpret identified risks and recommend mitigation strategies or compliance approaches to meet DoD requirements.
• Develop, organize, and maintain system security documentation and RMF deliverables.
• Support third-party audits and compliance reviews by preparing evidence, responding to findings, and tracking remediation activities.
• Generate and interpret ACAS scan results to identify system vulnerabilities and monitor remediation efforts or mitigation strategies.
• Implement and evaluate manual Security Technical Implementation Guides (STIGs), Security Content Automation Protocol (SCAP), and SCAP Compliance Checker (SCC) requirements.
• Use common A&A platforms, including eMASS, CSAM, Xacta, or comparable tools.
• Collaborate closely with system administrators, network administrators, application teams, and other technical stakeholders to improve overall security measures.
• Communicate security findings, risks, control deficiencies, and recommendations clearly to technical and leadership audiences.
• Ensure RMF work products are accurate, complete, organized, and aligned to client and DoD requirements.

• Minimum 5 years of experience in Risk Management Framework, cybersecurity engineering, security engineering, or a related technical discipline.
• Thorough understanding of the federal RMF Assessment and Authorization process, including all phases of the RMF lifecycle.
• Experience mapping, implementing, interpreting, and documenting RMF security controls.
• Experience developing and submitting ATO packages.
• Experience supporting POA&M management, ST&E activities, system documentation, authorization activities, risk assessments, third-party audits, NIST SP 800-53 compliance, and threat assessments.
• Proven ability to plan and monitor security control implementation for networks, enclaves, and information systems.
• Experience generating and interpreting ACAS scans to identify vulnerabilities and monitor remediation activities.
• Working knowledge and experience implementing and evaluating manual STIGs, SCAP, and SCC.
• Working knowledge of common A&A platforms, including eMASS, CSAM, Xacta, or comparable tools.
• Strong understanding of DoD cybersecurity, privacy, compliance, and risk management requirements.
• Strong written and verbal communication skills, including the ability to work effectively with highly technical administrators and other stakeholders.
• Active Secret clearance required.
• Must be DOD 8570 compliant
• Ability to manage multiple priorities, maintain accurate security documentation, and support time-sensitive authorization milestones., * Previous experience supporting Department of Defense or other federal cybersecurity programs.
• Previous experience in a technical role such as a system administrator, network administrator, security administrator, or cybersecurity engineer.
• Experience supporting continuous monitoring, control reassessment, vulnerability remediation, and authorization maintenance activities.
• Experience interpreting DoD cybersecurity policies, security guidance, and control implementation requirements.
• Experience supporting cybersecurity, privacy, and financial control environments.
• Experience with additional federal cybersecurity or A&A tools beyond eMASS, CSAM, and Xacta.
• Relevant certifications such as CISSP, CISM, Security+, CAP, or equivalent RMF and cybersecurity credentials.
• Experience coordinating across system owners, information system security managers, assessors, authorizing officials, and technical stakeholders.

Rosslyn

Virginia

28426

Prism, Inc., PRISM is devoted to modernization and innovation across technology, security, and IT enterprise solutions. We are recognized for meeting performance requirements and exceeding customer expectations since 1994. Our culture is founded on relationships, opportunity, and success. Offering comprehensive benefit plans including medical, dental, vision, and 401K along with our people - first approach sustains our reputation as a premier employer.