Senior Network Administrator
University of New England · Portland, ME · 2 wk ago
Information TechnologyFull-time
About the role
The University of New England is seeking a Senior Network Administrator to support the institution's multi-campus computer networks and data centers.
Responsibilities
- Design, implement, maintain, and optimize enterprise network infrastructure utilizing Cisco and Meraki technologies.
- Administer and support campus wired and wireless networks, including Cisco Catalyst switches, routers, Cisco Firepower firewalls, and Meraki wireless access points.
- Manage Cisco Secure Firewall (Firepower) platforms, including security policies, VPN services, NAT, intrusion prevention systems (IPS), URL filtering, and advanced threat protection.
- Maintain and support Cisco Meraki Dashboard environments, including wireless, switching, security appliances, and SD-WAN.
- Monitor network performance, capacity, and security using enterprise management and monitoring platforms.
- Design and maintain highly available network architectures supporting academic, research, and administrative systems.
- Configure and troubleshoot Layer 2 and Layer 3 technologies, including VLANs, OSPF, BGP, HSRP, STP, QoS, multicast, DHCP, and DNS.
- Implement and maintain network segmentation, access controls, and security best practices.
- Collaborate with Information Security teams to support vulnerability remediation, incident response, and regulatory compliance.
- Support remote access technologies, site-to-site VPNs, and secure connectivity for cloud and hybrid environments.
- Lead infrastructure refresh projects and modernization initiatives.
- Develop and maintain network documentation, diagrams, standards, and operational procedures.
- Provide Tier III support and perform root cause analysis for critical incidents.
- Mentor junior engineers and provide technical leadership across the infrastructure team.
- Cook up with vendors and service providers for troubleshooting and project implementation.
- Perform all other duties as assigned.
Qualifications
- Bachelor's degree in Computer Science, Information Technology, or a related field, and five or more years of progressively responsible experience supporting enterprise network environments.
- Extensive experience with Cisco networking technologies.
- Experience administering Cisco Secure Firewall (Firepower) and Meraki environments.
- Strong understanding of: Enterprise routing and switching Wireless networking Firewall technologies and security principles VPN technologies High availability architectures Network performance monitoring
- Demonstrated ability to troubleshoot complex network and security issues.
- Strong communication and customer service skills.
- Ability to manage multiple priorities in a collaborative environment.