Network Engineer II: Enterprise LAN/WAN & VoIP

First Interstate Bank

Sioux Falls (SD)

On-site

USD 91,000 - 151,000

Full time

4 days ago

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Benefits offered by this job

PTO + federal holidays

Student debt repayment program

401(k) with 6% match

Job summary

First Interstate Bank is seeking a Network Engineer II to design, implement, and support the bank's network and unified communications infrastructure across multiple offices in CO, ID, IA, MO, MT, NE, OR, SD, WA, and WY. The role emphasizes reliability, security, and scalability to meet SLAs while supporting carrier services and on‑premises voice systems.

The engineer will monitor networks, troubleshoot complex connectivity issues, and collaborate with IT and security teams to protect the

Qualifications

Knowledge of TCP/IP, routing protocols (BGP/OSPF/MPLS) and VoIP tech.
Familiarity with SBCs, firewalls, VPNs, and intrusion detection systems.
Experience with network and telecom hardware and related tools.

Responsibilities

Designs and implements LANs, UC environments, and VoIP systems.
“
Installs and maintains routers, switches, firewalls, VPNs, and voice gateways.
Monitors performance, performs upgrades, and plans capacity and DR.

Skills

TCP/IP, BGP, OSPF, MPLS

VoIP, SIP, H.323, RTP

SBCs, VPNs, firewalls

Network hardware & telecom

IDS/IPS, security principles

Automation & scripting

Documentation & PM

Cross‑functional collaboration

On‑call rotating support

Education

High School Diploma or GED

Bachelor's in CS/IT or related

Tools

Ethernet & TCP/IP knowledge

Low voltage cabling (MDF/IDF)

Job description

The engineer will monitor networks, troubleshoot complex connectivity issues, and collaborate with IT and security teams to protect the

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