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Senior Cybersecurity Systems Engineer

MantechWashington, DCApril 12th, 2026
MANTECH seeks a motivated, career and customer-oriented Senior Cybersecurity Systems Engineer to join our team in the Washington, D.C Navy Yard. This will be an onsite position.This role supports mission-critical systems and infrastructure, combining software and hardware knowledge to innovate and optimize performance. You will work alongside interdisciplinary teams to support engineering solutions that serve our national security objectives.Responsibilities Include But Are Not Limited ToReview testing and validation to ensure system functionality and compliance with security standardsDeveloping technical documentation including schematics, specifications, and system architecture diagramsParticipating in engineering reviews, audits, and program milestone meetingsStaying up to date with emerging technologies and industry trendsAssist PARMs in getting ATO for aircraft carriers systemsWork with SEA 03 concerning Cybersecurity of Aircraft Carrier systemsProvide technical support in system engineering design, network architecture and system security development to support platform-based network integration, information technology and communications for cybersecurity in accordance with NIST Framework, JCIDS System Survivability, DoD 8500 series, DoD Cybersecurity Test & Evaluation (T&E), Cyber Threat Intelligence, Navy Cybersafe, Navy Information Assurance /Technical Authority Board standards and NAVSEA Enclave policy Support efforts in cybersecurity for the definition of system security requirements, risk assessments, systems analysis, systems design, cybersecurity T&E, assessment and authorization Provide cybersecurity Risk Management Framework (RMF) supportServe as a subject matter expert in the validation of the implementation of cybersecurity requirements for device, sub-system, system, enclave and platformRecommend systems hardening solutions to increase operational survivability and resilience to operational risk to the mission for device, sub-system, system, enclave and platformProvide engineering recommendations and support the integration of T&E into the identification and development of device, sub-system, system, enclave and platform level cybersecurity specification and requirements for implementation into the ship design.Support the phasing and fielding of cybersecurity for existing systems to future needs and trends through planned integration of the necessary cyber related architectural features and tools to protect the confidentiality, integrity and availability of the systems, networks platform mission and operationMinimum QualificationsBachelor’s degree in Computer Science, Cybersecurity, Network Security, Information Technology, Electrical Engineering, or Mathematics with concentration in Computer Science.15+ years of professional experience in computer design, software development or computer network securityExperience in Cybersecurity/Cyber Defense Engineering and managementExperience supporting U.S. Navy programs or operationsPreferred QualificationsMasters degree in Computer Science, Cybersecurity, or Computer EngineeringPossess either Certified Information Systems Security Professional (CISSP), Certified Information Security Manager (CISM), or Cisco Certified Internetwork Expert (CCIE) certificationMeet qualifications for Navy Cyber Workforce (CWF) Program: 801) Program Manager (Basic) or (803) Product Support Manager (Basic)Clearance RequirementsMust be a U.S. citizen and possess an active or current Top Secret clearance.Physical RequirementsMust be able to remain in a stationary position 50%Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations