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IP Telephone Support Engineer..

Sky Systems, Inc.

Job Description

Job Description

IP Telephone Support Engineer
Cambridge, MA
Onsite
Until December 31, 2026 + possibility of extension

5 days onsite - 40 hours a week

Responsibilities

  • Support and maintain IP Telephony systems (Cisco CUCM, Unity, Teams, feel free to add/edit).
  • Troubleshoot VolP-related issues including call quality, registration, and connectivity.
  • Perform MACD (Move, Add, Change, Delete) tasks for voice users and endpoints.
  • Coordinate with network teams to manage QoS, voice VLANs, and PoE configurations.
  • Monitor and maintain voice gateways, Clients, and related telephony infrastructure along with IPT team.
  • Provide Level 2/3 support for IPT-related incidents and service requests.
  • Assist in integration of IP Telephony with Microsoft Teams, Zoom, or other UC platforms.
  • Support enterprise communication tools.
  • Maintain system documentation, user documentation, and comply with GxP and Client IT quality standards.
  • Participate in system patching, upgrades, and change control procedures.
  • Ensure endpoint compliance and coordination with Desktop Support teams.
  • Track telephony assets, licenses, and user provisioning through CMDB or ITSM tools.
  • Work with global teams to support multi-site telephony environments.
  • Collaborate with telecom vendors and service providers on issue resolution.
  • Support disaster recovery planning and voice service continuity testing.
  • Provide user support and training on telephony tools and voicemail systems.
  • Support broader DDIT team where applicable (Extended Support, OSS, Networking, DC, Mobility/DAS).
  • Partner with local teams to support local user community.
  • Manage and ensure IDF closet maintenance and validation (UPS/Closet audits).

Requirements

  • 3–5 years of experience supporting IP Telephony / Unified Communications in an enterprise environment
  • Experience providing Level 2/3 support using ITSM tools (ServiceNow or similar)
  • Hands-on experience with Cisco CUCM, Unity Connection, and VoIP gateways (SIP, CUBE)
  • Working knowledge of Microsoft Teams Phone, Zoom Phone, or similar UC platforms
  • Strong VoIP troubleshooting skills (call quality, registration, connectivity, SIP/RTP)
  • Experience performing MACD tasks for voice users and endpoints
  • Solid understanding of QoS, voice VLANs, PoE, and collaboration with Network teams
  • Familiarity with patching, upgrades, change management, and disaster recovery for voice services
  • Ability to maintain technical/user documentation and work in GxP or regulated environments
  • Strong communication skills with experience supporting users, vendors, and global teams
Vacancy posted 2 days ago
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