Network Engineer II - High-Availability & VoIP Focus

First Interstate Bank; Billings (MT); On-site; USD 91,000 - 151,000; Full time

Benefits offered by this job

Paid Time Off (PTO) and holidays

Student debt repayment program

401(k) with 6% match

Job summary

First Interstate Bank seeks a Network Engineer II to design, implement, and support a broad network and unified communications environment across multiple state offices. You will monitor performance, address complex issues, and work with security teams to uphold compliance and DR readiness.

The role requires strong expertise in TCP/IP, VoIP, VPNs, and network hardware, with a focus on reliability, scalability, and cross‑functional collaboration.

Qualifications

• Proficient in network protocols (TCP/IP, BGP, OSPF, MPLS) and VoIP technologies (SIP, H.323, RTP).
• Experience with LAN/WAN design, security, and network hardware deployments (routers, switches, firewalls).
• Strong documentation, project management, and ability to work with cross-functional teams.

Responsibilities

• Design and implement LANs, WANs and Unified Communications environments.
• Install, configure, and maintain network and telecom equipment including routers, switches, firewalls, VPNs, VoIP services.
• Monitor performance, plan capacity, and ensure security/compliance and disaster recovery readiness.

Skills

TCP/IP

BGP

OSPF

MPLS

VoIP

SIP

H.323

RTP

VPNs

Firewalls

IDS/IPS

Network monitoring

Documentation

Cross-functional teamwork

Education

High School Diploma

Bachelor's Degree in CS/IT

Tools

Ethernet

VoIP equipment

PBX/SIP trunks

Job description

First Interstate Bank seeks a Network Engineer II to design, implement, and support a broad network and unified communications environment across multiple state offices. You will monitor performance, address complex issues, and work with security teams to uphold compliance and DR readiness.

The role requires strong expertise in TCP/IP, VoIP, VPNs, and network hardware, with a focus on reliability, scalability, and cross‑functional collaboration.