Senior Telephony Engineer – VoIP & Video Platforms

CDW; Vernon Hills (IL); On-site; USD 90,000 - 130,000; Full time

Job summary

CDW is seeking a Telephony Engineer to maintain and optimize our VoIP infrastructure, collaboration platforms, and video systems. You will work across locations to ensure reliable voice, video, and UC services and implement new telecommunications solutions.

The role requires strong Cisco voice platform knowledge (CUCM, Unity, UCCX, CUBE, Jabber, WebEx) and ability to lead complex projects, handle on-call rotations, and mentor junior engineers.

Qualifications

• Bachelor's degree or equivalent experience in telecommunications or related field.
• 3+ years' experience in software/hardware voice/video network design and analysis.
• Broad knowledge of voice, data and video communications systems, dial plans, switching architecture, telephony, contact center scripting, and wiring.

Responsibilities

• Perform operations, installation, and maintenance for local, off-site and/or remote locations.
• Ensures uninterrupted access to all CDW voice and video telecommunication platforms.
• Analyzes, evaluates, and maintains CDW's telecommunication and video systems.
• Implement and test telecommunications software solutions.
• Follows industry best practices for analysis, installation, and quality assurance of transmission mediums and infrastructure components.
• Provides customer training of the telecommunications features and functionality.
• Perform analysis, acquisition, and installation of remote hardware and software. Interfaces with internal/external customers and vendors to determine system needs.
• Serve as technical expert on a functional basis for the resolution of complex telephony problems.
• Create the Business Continuity Plan for CDW Telephony platforms and lead business continuity planning reviews and tests for all CDW Telecommunication platforms.
• Ensure functionality of all telecommunications monitoring for service failures, performance problems.
• Coordinate with the Telephony Team for level 1 and 2 support of complex issues.
• Plan changes by coordinating with team and acquire necessary approval from change advisory board.
• Responsible for the installation of operating systems and security patches.
• Responsible for assessing the applicability of vulnerabilities and maintain security compliance of telephony voice and video solutions.
• Work off hours and weekends as instructed by the business.
• Participate in a rotational on-call schedule.
• Provide advice and guidance on operational issues and mentor lower-level engineers.
• Collaborate with business owners to complete project requirements.
• Coordinate with vendors to troubleshoot and repair outages.

Skills

VoIP technologies

SIP signaling

TCP/IP

QoS

Voice/video network design

Project leadership

Documentation

End-user support

Communication

Education

Bachelor's degree in telecommunications or related field

Equivalent experience

Tools

CUCM

Cisco Unity

UCCX

CUBE

Jabber

WebEx

Video conference systems

ServiceNow

Microsoft Visio

Microsoft Teams

SharePoint

Job description

CDW is seeking a Telephony Engineer to maintain and optimize our VoIP infrastructure, collaboration platforms, and video systems. You will work across locations to ensure reliable voice, video, and UC services and implement new telecommunications solutions.

The role requires strong Cisco voice platform knowledge (CUCM, Unity, UCCX, CUBE, Jabber, WebEx) and ability to lead complex projects, handle on-call rotations, and mentor junior engineers.