Network Engineer

Highly Marelli USA, Inc.; Shelbyville (TN); On-site; USD 65,000 - 90,000; Full time

Job summary

Highly Marelli USA, Inc. is seeking a Network Administrator II to manage and support our on-premises network environment. You will oversee Fortinet devices, SSL VPN access, VPN tunnels, and multi-site connectivity while ensuring high availability and security.

As part of a small IT team, you will troubleshoot, document, and coordinate with vendors and service providers. A hands-on approach and strong collaboration across systems and network domains are essential.

Qualifications

• Hands-on experience administering and supporting Fortinet firewall and wireless devices.
• Experience with SSL VPN and IPSec tunnels to remote sites and partners.
• Familiarity with routing, switching, VLANs, NAT, and firewall concepts.

Responsibilities

• Manage and maintain Fortinet stack (FortiGate, FortiSwitch, FortiAP) including firmware updates and policy management.
• Administer SSL VPN for remote users and maintain IPSec tunnels to remote sites and partners.
• Monitor VPN/WAN connectivity and ensure high availability; manage dual ISP failover.

Skills

Hand-on troubleshooting

Team collaboration

Documentation

Education

High school diploma or GED + 6 years experience

Bachelor’s degree + 6 years experience

Cisco certification may be required

Tools

Fortinet FortiGate

Fortinet FortiSwitch

Fortinet FortiAP

SSL VPN

IPSec

UniFi wireless bridge

Cisco switches

Windows/AD

Job description

The position of Network Administrator II is to manage and support the organization's network and connectivity systems. This role is responsible for maintaining reliable and secure network operations, including firewall management, VPN connectivity, and multi-site communication, within a primarily on-premises environment.

As part of a small IT team, this position requires a hands-on approach to troubleshooting, ownership of network performance and availability, and the ability to work across both network and systems layers. The ideal candidate will be comfortable supporting critical infrastructure, collaborating with team members, and contributing to day-to-day IT operations as needed.

Duties

• Manage and maintain Fortinet stack - FortiGate firewalls, FortiSwitches, and FortiAPs, including firmware updates, configuration, and policy management
• Administer and support SSL VPN for remote users and maintain multiple IPSec tunnels to remote sites, vendors, and business partners
• Monitor VPN and WAN connectivity, ensuring high availability and rapid resolution of outages impacting business operations
• Manage dual ISP connections, including failover configuration, performance monitoring, and coordination with service providers
• Maintain and support network infrastructure including primarily Fortinet and occasionally Cisco switching environments
• Administer site-to-site connectivity, including UniFi wireless bridge between facilities
• Monitor network health and respond to alerts; perform root cause analysis on outages and degraded performance
• Support end users with network and connectivity-related issues as needed
• Coordinate with vendors and ISPs for troubleshooting, escalations, quotes, and hardware replacement (RMA)
• Maintain accurate network documentation including diagrams, configurations, and operational procedures
• Assist IT team with infrastructure projects and collaborate across systems and network environments

Security & Access Responsibilities

• Manage firewall policies, NAT rules, and access controls on FortiGate devices
• Ensure secure remote access for users and third-party vendors
• Perform periodic firewall rule reviews and maintain network segmentation best practices
• Support patching and firmware updates for network devices

End User & Operational Support

• Participate in day-to-day IT support activities within an internal ticketing system, including documenting work performed and maintaining clear ticket notes
• Assist with general user support issues as part of a small IT team, including escalation and troubleshooting of connectivity and system-related problems
• Support company-issued iOS devices, including initial setup, account configuration, application deployment, and coordination with carriers for service changes such as international plans
• Maintain accurate records of assigned devices and support basic mobile device troubleshooting

WORKING ENVIRONMENT

• On-site role supporting a primary business location
• Small IT team with shared responsibilities across infrastructure and support
• Participation in team-based response to after-hours or critical issues
• Opportunity to take ownership of network infrastructure and contribute to improvements
• Communicates frequently with internal and external contacts on various issues.
• Must follow all company requirements in regards to Environmental, Health, and Safety (EHS) policies and procedures.
• Performs other duties as assigned.

Experience

• Must be legally authorized to work in the US without current or future sponsorship
• Have a high school diploma or GED and six years of hands-on network administration experience in a business environment

-or-

• Have a bachelor's degree six years of hands-on network administration experience in a business environment
• Certification may be required in some areas
• Have two to five years of experience in a related area of responsibility
• Experience with Fortinet firewalls (FortiGate required; FortiSwitch/FortiAP preferred)
• Hands-on experience with SSL VPN and IPSec tunnel configuration and troubleshooting
• Solid understanding of routing, switching, VLANs, NAT, and firewall concepts
• Experience with enterprise wireless networking and troubleshooting
• Ability to troubleshoot issues across network, firewall, and system layers
• Familiarity with Windows environment and Active Directory