Senior Network & Voice Engineer (TS/SCI)

CDW; Florida; On-site; USD 180,000 - 240,000; Full time

Job summary

CDW is seeking a Senior Network/Voice Engineer to support enterprise network and voice infrastructures in a secure federal environment. The role requires an active TS/SCI clearance and hands-on experience with VoIP, UC services, and voice infrastructure management.

You will perform moves/adds/deletes for voice systems, configure IP phones and gateways, and coordinate with stakeholders while maintaining secure configurations and compliance.

Qualifications

• Active TS/SCI clearance required.
• U.S. citizenship required for federal security.
• Hands-on experience in enterprise network and voice in secure environments.
• Experience with IP phones, voicemail, call routing and telephony services.
• Knowledge of Cisco VOIP platforms and UC components.
• Familiarity with network fundamentals, VLANs, routing, switching, QoS.

Responsibilities

• Perform voice equipment moves, adds, changes, and deletions.
• Install and troubleshoot IP phones, gateways, and UC components.
• Support day-to-day voice operations including provisioning and incident response.
• Troubleshoot voice quality, latency, jitter, and SIP trunk issues.
• Coordinate network and voice changes through change management.
• Document voice infrastructure and configurations.

Skills

Security clearance

Troubleshooting

Communication

Documentation

Team coordination

Education

Bachelor's degree in CS/IT/Engineering

DoD 8570/8140 IAT Level II or equivalent

Tools

Cisco Unified Communications Manager

Cisco Unity Connection

SIP/RTP/VoIP

CUBE/SBCs

Wireshark

Job description

CDW is seeking a Senior Network/Voice Engineer to support enterprise network and voice infrastructures in a secure federal environment. The role requires an active TS/SCI clearance and hands-on experience with VoIP, UC services, and voice infrastructure management.

You will perform moves/adds/deletes for voice systems, configure IP phones and gateways, and coordinate with stakeholders while maintaining secure configurations and compliance.