Senior Security Systems Engineer - Federal Programs

Overview

About M.C. Dean

M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 9,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.

Why Join Us?

Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values—agility, expertise, and trust—we foster a collaborative and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries.

We are seeking a Senior Security Technical Specialist 4to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets.

M.C. Dean's SES Division is seeking a Senior Systems Technical Specialist to support our federal customers missions and program needs across complex, evolving technical environments. You will define, design, architect, integrate, test, and transition complex systems using systems engineering methods, working across technical, operational, acquisition, and program management organizations to translate stakeholder needs into system concepts, architectures, requirements, and technical roadmaps.

Key Responsibilities

• Apply systems engineering practices across the full lifecycle: stakeholder analysis, concept development, architecture, requirements development, integration, verification and validation, and technical transition
• Translate customer needs, operational constraints, and program objectives into system concepts, functional designs, and implementation approaches
• Develop, assess, and refine system architectures, including operational, functional, logical, and physical views, interfaces, data flows, and integration points
• Facilitate stakeholder workshops and technical exchanges to elicit, document, and validate requirements; maintain traceability from stakeholder needs through design, interfaces, and verification
• Conduct engineering studies, trade analyses, and gap assessments to evaluate current systems, technology options, and opportunities for improvement
• Lead system integration, test, verification, validation, and deployment activities, including sequencing and readiness reviews; resolve technical blockers
• Identify and manage technical risks, issues, and dependencies; support technical reviews (requirements, architecture, design, test readiness, deployment readiness)
• Support RMF accreditation and ATO maintenance; ensure accuracy of system documentation, including design, configuration, and O&M plans
• Manage product backlog and prioritize work with stakeholders in an agile environment; define and enforce engineering standards and processes
• Prepare and deliver technical briefings, trade-study results, and status reports; advise government customers and program leadership on technical priorities and modernization roadmaps
• Collaborate across multidisciplinary teams (software, hardware, cybersecurity, cloud, data,…