Cybersecurity Engineer

Mayvin is seeking a Senior Cybersecurity Engineer to support the United States Army and JIATF-401 at Fort Belvoir, VA to support the development of C-UAS systems and capabilities across multiple operational and developmental environments. The candidate will help protect critical infrastructure, the warfighter, and protect the U.S. from emerging unmanned aircraft system (UAS) threats. This role operates in a fast paced environment supporting the DoW, the Interagency, and the Defense Industrial Base to strengthen cyber readiness across the C-UAS mission space. Must be a U.S. Citizen. Must have an active Secret clearance. Responsibilities Senior cybersecurity engineering subject matter expert across enterprise, operational, cloud, hybrid, and vendor-supported environments Lead and advise on cybersecurity architecture, system design, integration, testing, troubleshooting, and risk-informed technical decision-makingTranslate mission / operational requirements into secure system design considerations, cybersecurity requirements, and implementation prioritiesLead / support technical discussions involving network architecture, cloud security design, boundary protection, system interoperability, and security control implementationAssess cybersecurity risks across government-managed and vendor-managed systems and recommend mitigation strategies to support operational needsManage cybersecurity integration for initial authorization, reauthorization, major changes, and ATO sustainmentReview and advise on security architectures, implementation approaches, control inheritance strategies, test plans, technical artifacts, and assessment resultsParticipate in PMRs, Design Reviews, IPTs, engineering discussions, and senior stakeholder engagementsCoordinate with Program Management Offices (PMOs), mission owners, system owners, security teams, and vendors to resolve issues affecting system authorization, compliance, and interoperabilityProvide expert consultation on cybersecurity impacts associated with cloud adoption, cross-domain/system interfaces, externally provided services, and defense industrial base partnershipsAlign technical solutions with applicable DoW, Joint, interagency, and organizational cybersecurity requirementsCommunicate effectively with technical and non-technical stakeholders, senior leaders, action officers, engineers, program personnel, and contractors, etc.