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 7,000 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. 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’re seeking a detail‑oriented Helpdesk Technician with hands‑on experience supporting Electronic Security Systems (ESS), including access control, video management, and related security infrastructure. This role supports both end users and field technicians, ensuring that security systems remain reliable, functional, and properly maintained.
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Job Type
Full-time
Career Level
Entry Level
Education Level
High school or GED
Number of Employees
5,001-10,000 employees