Network Engineer – Chantilly, VA

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 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 are seeking a Network Engineer 3 to join our Security and Electronic Systems (SES) business unit. 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.

The Network Engineer 3 is responsible for designing, implementing, monitoring and managing the network solutions for the customers to ensure maximum uptime. The role includes designing system configurations, documenting and managing the pre‑installation and testing of a new network, and performing upgrades to hardware and software as required.

• Survey Reports measurement results in actionable form to more senior personnel and management.
• Conducts any surveys, inspections, tours, etc. of client sites, as required

• Install, configure, and maintain network services, equipment, and devices.
• Work closely with the field engineers to simulate expected system level performance and provide quick feedback on potential improvement.
• Assist senior network engineers to identify and resolve network security issues.
• Develop network designs for each SLA classification.
• Originates design documents for small projects and in support of large programs.
• Assists Senior Engineers in preparation of Designs, including:
  Narrative Design Documents, Systems Designs, Subsystem Designs (CAD / Panels / Layouts / Wiring / Hardware / Communications).
• Preparation of Specifications, Perform QA/QC and technical reviews of designs.
• Comment Resolution Testing & Commission Review / Approval of test plans (Safety / Risk / Manufacturability).
• Author test plans Leads / supervises testing activities.
• Author testing / commissioning procedures.
• Preparation of test reports.
• Commissioning of deployed systems.
• Development of test fixtures and simulation devices Generates standard PITCO plans and procedures.
• Design and perform complete system integration test.

• Troubleshoot and debugging complex network problems and recommending operational efficiency improvements.
• Preventative maintenance (software/hardware/firmware upgrades) including security updates, performance upgrades and schedule maintenance.
• Originate and submit maintenance plan and provide role back plan.
• Serves as backup for team members during paid time off.
• Perform hardware / software upgrades and replacements on existing systems.

• Documents the crucial working procedures and Troubleshooting of network operations.
• Employs moderate understanding of network administration as related to business operations.
• Assists team members in identifying and resolving basic/moderate Network/Telecom issues.
• Interprets and analyzes results versus established benchmarks and goals.
• Works with project managers to meet expectations for Network tasks.
• Completes project tasks and assignments to meet project deadlines.
• Contributes to own team and closely related teams through quality…