Demo

Senior Network Engineer

InterSources Inc
Columbia, SC Contractor
POSTED ON 12/23/2025
AVAILABLE BEFORE 4/3/2026

Job Title: Network Engineer – Project Lead (8908)

Location: Columbia, SC (Hybrid, 2 days onsite/week)

Contract Duration: 12 Months

Possible Extension: Yes

Interview Process: 1 round, virtual

Candidate Requirement: Must be a current South Carolina resident. No relocation allowed.


Required Skills

• Cisco CCNA certification

• Cisco CCNP certification

• 4–6 years of experience with Cisco Firewalls (ASA5508-X, ASA5585-X, FirePower 4110/2120)

• 4–6 years of experience with Cisco Routers

• 4–6 years of experience with Cisco Switches (3750, C9500, C9300, Nexus 5k/7k)

• 4–6 years of experience with Wireshark

• Experience supporting statewide WAN, LAN, and wireless networks

• Experience configuring and maintaining Meraki switches, wireless access points, and MX firewalls

• Ability to communicate design and implementation details to both technical and non-technical audiences

• Strong experience troubleshooting remote communications with partner county IT teams


Preferred Skills

• 4–6 years of experience with Cisco ISE

• 4–6 years of experience with Cisco VPN

• 4–6 years of experience with Cisco hardware administration

• 5 years of experience designing and operating public/private networks (LAN/MAN/WAN)

• Experience supporting Microsoft network communications (formerly MCSE)

• 4 years of experience planning/implementing hybrid networking, routing, security, and private access to Azure

• Knowledge of AD, DNS, ADFS, PKI, .1X authentication, and PowerShell


Key Responsibilities:

• Monitor, maintain, and troubleshoot statewide WAN, LAN, wireless, and site-to-site tunnel infrastructure

• Develop detailed implementation and test plans for Cisco/Meraki technologies

• Research software releases and support software upgrades

• Document all requests and changes in the IT service desk system

• Analyze system logs and recommend performance, scalability, and security improvements

• Provide remote troubleshooting across DSS and county partner systems

• Manage projects end-to-end when serving as lead (scope, requirements, architecture, implementation)

• Provide knowledge transfer and informal training to peers

• Collaborate closely with technical teams and meet project deadlines


Environment & Tools:

• Cisco FMC, Cisco Security Manager

• ASDM, ISE

• Putty

• PowerShell

• Wireshark

• Nmap

• SIEM tools

Hourly Wage Estimation for Senior Network Engineer in Columbia, SC
$48.00 to $57.00
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