Network Administrator

Network Administrator Department: IT (NH) Employment Type: Full Time Location: Charlestown, NH Description As a Network Administrator at Whelen Engineering, you are responsible for maintaining, securing, and optimizing the organization’s network infrastructure. This includes configuring and managing VLANs, switches, firewalls, and WAN/LAN routing, as well as supporting wireless infrastructure and virtualization systems. Working with moderate guidance, you will apply technical expertise to execute operational plans, resolve complex technical issues, and deliver high‑quality technical support to end users. You will also collaborate with third‑party vendors and cross‑functional IT teams to maintain accurate documentation, strengthen system security, and implement improvements that enhance overall network performance. Duties and Responsibilities Fully support, configure, maintain, and upgrade corporate network infrastructure and in‑house servers. Manage VLAN and switch configurations to support secure, efficient network operations. Identify, troubleshoot, and document network connectivity and performance issues. Administer network security systems, including firewalls, anti‑virus, and intrusion detection tools. Maintain and enhance wireless network infrastructure. Monitor network health and proactively address potential issues. Collaborate with third‑party vendors to ensure accurate documentation and service delivery. Oversee software licensing compliance and maintenance agreements. Research and recommend network system improvements and best practices. Support networking for virtualization environments, SAN systems, and hyper‑converged platforms. Manage support requests via IT ticketing systems. Knowledge, Skills & Abilities Proficient in diagnosing and resolving network connectivity and performance issues. Strong technical documentation and diagramming skills. Effective communication skills for working with vendors, end users, and cross‑functional teams. Flexibility to provide off‑hours support when needed for business continuity. Ability to work independently with moderate guidance. Exceptional organizational and time‑management skills to handle multiple tasks and priorities. Apply analytical thinking to troubleshoot and resolve complex issues. Team player – ability to work collaboratively with cross‑functional teams and departments. Education and Experience Bachelor’s degree in computer science, Computer Engineering, or related discipline, or equivalent experience. 5+ years of experience in network administration, including routing, switching, and VLAN management. Hands‑on experience with WAN/LAN infrastructure, wireless networking, firewall configuration, network security tools, and intrusion detection systems. Experience with virtualization technologies, SAN systems, and hyper‑converged platforms. Familiarity with ITIL processes, IT support ticketing systems (Jira preferred), and software licensing compliance. Industry certifications such as CompTIA A+, Network+, Security+, or equivalent (preferred). Prior experience working in a manufacturing environment is a plus. Working Conditions This role requires regular presence in both office and manufacturing floor environments. Must be able to navigate manufacturing areas and occasionally work extended hours to support project deadlines or provide off‑hour support of critical business systems. All Employees Shall Perform all duties in a timely fashion to support production needs. Follow all procedures and work instructions. Elevate any compliance or maintenance issues. Comply with the EH&S Policy and applicable regulatory and company EH&S rules and requirements. Report to the appropriate level any conditions or practices that are either unsafe or that may adversely impact the environment, to ensure prompt resolution of potential hazards. Actively support the organization’s efforts to meet or exceed on‑time delivery (OTD) and production goals. The incumbent is responsible for complying with the policies in the Employee Handbook. This Job Description is to serve as a guide. It is intended to be flexible and will continue to evolve over time with business needs and demands and may be updated periodically and at the Company’s discretion. Nothing in this position description changes or is intended to change the employment at‑will relationship, which means that an employee or the Company may terminate the employment relationship at any time, for any reason at all, with or without notice. #J-18808-Ljbffr Whelen Engineering