Hybrid Senior Network Engineer: Design, Secure & Lead Infra

Gtscts; Fairmont (MN); Hybrid; USD 110,000 - 140,000; Full time

Benefits offered by this job

Health & Dental

Life Insurance

Short-term Disability

401(k)

Job summary

GTSC seeks an experienced Senior Network Engineer to design, implement, secure, and support enterprise network infrastructure. This role requires deep technical expertise and leadership to drive network initiatives from planning through execution.

The ideal candidate will have hands-on SonicWall firewall and Cisco switch experience in complex production environments, with a strong focus on security, performance, and reliability.

Qualifications

• Bachelor's degree in computer science or related field.
• 7+ years hands-on network engineering in enterprise environments.
• Experience with SonicWall firewalls and Cisco switches.
• Knowledge of TCP/IP, DNS, DHCP, VLANs, and VPNs.

Responsibilities

• Design, implement, and maintain reliable, secure network infrastructure.
• Configure and troubleshoot SonicWall firewalls, VPNs, policies, and threat management.
• Install, configure, and support Cisco switches including VLANs and QoS.
• Monitor performance, availability, and security; lead upgrades and migrations.
• Mentor junior engineers and create network documentation and SOPs.
• Collaborate with other teams to align network with business needs.

Skills

SonicWall

Cisco switches

TCP/IP

DNS/DHCP

VLANs

OSPF/BGP

Network monitoring

Troubleshooting

Communication skills

Education

Bachelor's degree in computer science or related field

Job description

GTSC seeks an experienced Senior Network Engineer to design, implement, secure, and support enterprise network infrastructure. This role requires deep technical expertise and leadership to drive network initiatives from planning through execution.

The ideal candidate will have hands-on SonicWall firewall and Cisco switch experience in complex production environments, with a strong focus on security, performance, and reliability.