IT Senior Network Engineer

Description

Centurion is proud to be a leading provider of comprehensive healthcare services to correctional facilities, state hospitals, and community mental health centres nationwide.

Sr. Network Engineer – located in Sterling, Virginia. Candidates must reside within a 25‑mile commute to Sterling as the position is 100% onsite.

The Senior Network Engineer will be part of the Network team responsible for designing, deploying, and maintaining scalable, highly available network infrastructure across multiple co‑location facilities that support nearly 10,000 users and growing. The engineer will provide advanced technical and engineering support for IT infrastructure and customer‑facing services, using infrastructure tools and techniques to identify and resolve infrastructure and operational requests, and act as an escalation point for corporate IT departments.

• Deploy, configure, manage and monitor network infrastructure (LAN, WAN) for high availability and optimal performance, as well as network security features.
• Install, set up and upgrade firmware on network equipment; perform periodical preventative maintenance of networking equipment software/firmware.
• Provide engineering support to install, configure, optimise, troubleshoot, monitor and manage deployment of Cisco routers, switches and Forti Gate firewalls.
• Serve as the network/security subject matter expert around Fortinet technologies and solutions.
• Deploy and manage virtual networks and support cloud infrastructure.
• Automate network monitoring to provide a proactive approach to mitigating network issues.
• Create and maintain all required network and technical documentation, including diagrams and troubleshooting methodologies, using provided tools.
• Prepare network asset management documentation, including maintenance of network component inventory and technical specifications.
• Answer, evaluate and prioritise network incidents/tickets as they relate to outage escalation, and participate in triaging and resolving Tier 4 requests.
• Perform packet capture and analysis to troubleshoot and debug network issues.
• Keep stakeholders and project managers apprised of project status throughout the project life cycle with detailed and thorough communication.
• Liaise with vendors, customers and other IT personnel for problem resolution.
• Be self‑motivated and able to follow directions, complete time‑sensitive tasks and meet deadlines with minimal supervision.
• Identify opportunities to implement improvements and increased efficiencies on existing infrastructure.
• Identify and address network‑related vulnerabilities and establish a process to mitigate them.
• Establish, document, and maintain network technical standards, baseline configurations, and support processes and procedures.
• Fulfil routine communication requirements, utilising a ticketing system to document and manage client requests/issues and following change‑management policies and procedures.
• Follow and adhere to instructions, including SOPs.
• Work in a fast‑paced, high‑pressure environment.
• Be willing and able to travel for on‑site installations.
• Show flexibility to work evenings, weekends and/or holidays, as needed.
• Other duties as assigned or required.

• Bachelor's degree in Information Technology or a related field is preferred. Equivalent work experience will also be considered.
• 10 years or more of experience in a corporate IT operations environment.
• 5 years of hands‑on experience installing, configuring and troubleshooting networking technologies including switches, routers, and firewalls.
• Experience with IPsec tunnel configuration, routing tables, dynamic routing and network troubleshooting.
• Experience in the set‑up of DMZ and/or multi‑layer network zones per data/information classification.
• Experience designing and leading the implementation of small to medium‑scale projects.
• Experience with Fortinet technologies such as Forti Gate, Forti Manager, Forti Analyzer, etc.
• Experience with Service Provider/Datacenter class Cisco ASR/ISR routers and Nexus switches.
• Experience building hybrid environments to span existing on‑prem datacenters and…