Network Administrator - Annapolis Junction, MD

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.

Join our Security and Electronic Systems (SES) business unit as a Network Administrator 2. As part of the 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.

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.

• Support the day‑to‑day planning, installation, configuration, testing, operation, analysis and documentation of complex networks.
• Support network documentation and establishing & maintaining user accounts, user access privileges and security policies.
• Perform scheduled network status checks, troubleshooting, and problem resolution.
• Support planning and implementation of high and low speed LAN connections.
• Support planning and implementation of VPN solutions, including site‑to‑site VPNs built between hardware based firewalls.
• Support management of hardware firmware revisions, testing latest firmware revisions on current configurations, and deploying when deemed appropriate.
• Support configuration of common network equipment for operation.
• Collaborate with Security System Technicians on connectivity requirements and procedures.
• Support troubleshooting of common network equipment.
• Document common network equipment configurations and settings.
• Support integration of new technologies into existing high and low speed networks.
• Audit network component hardware and software changes.
• Monitor network performance (availability, utilization, throughput, goodput, and latency) and test for weakness.
• Support installation and troubleshooting of common enterprise class network equipment including firewalls, routers, and switches.
• Support installation and troubleshooting of fiber cross connects to existing backbone cabling.
• Support a flexible on‑call schedule.

• United States citizenship, U.S. Citizenship, and other eligibility requirements for access to classified information.
• Active TS/SCI with polygraph is required.
• Ability to travel up to 25% to domestic and international locations.
• Education & Experience:
  • Bachelor’s Degree and 2+ Years of progressive experience.
  • Associate’s Degree and 6+ Years of progressive experience.
  • High School Diploma or Equivalent and 8+ Years of progressive experience.
• Some experience implementing various network technologies and end‑user support.
• Experience in routing protocols, switching technologies, LAN/WAN media & protocols, and firewall configuration & protocols.
• Familiarity with Information Assurance concepts and requirements.
• Current certification:
  Cisco Certified Network Associate (CCNA) or CompTIA Network+.
• DoD 8570 compliance with Information Assurance Technical (IAT) Level II or higher (e.g., Sec+).
• Strong communication, time management, and organization skills.
• Experience working independently and with multidisciplinary teams.
• Proficient in MS Excel, Word, Visio, and PowerPoint.

• A collaborative team inspired by the way engineering and innovation enhance customer outcomes, improve lives, and change the world for the…