Telecommunications Administrator

Telecommunications Administrator (Johns Creek, GA)

Optomi, in partnership with a leading manufacturing organization, is seeking a Telecommunications Administrator to support and enhance enterprise-wide communication and telephony services. In this role, you will administer Microsoft Teams Voice, manage corporate mobile devices, support VoIP and telephony systems, and collaborate across IT teams to deliver seamless communication capabilities to hundreds of locations. If you are passionate about modern unified communications, telephony operations, and high-quality user support, this role is an exciting opportunity to make an impact!

• Playing a key role in a major enterprise-wide migration to Microsoft Teams Voice!
• Supporting a highly visible IT function that touches every business unit across the organization!
• Working on large-scale telephony and mobile device initiatives, including multi-site rollouts!
• Collaborating with a close-knit, supportive IT team that values communication and teamwork!
• Joining an organization offering stability, clear structure, and opportunities for early conversion!
• Enjoying flexible daily hours while remaining part of a strong on-site culture!

• 3+ years of hands-on Microsoft Teams Voice administration (non-negotiable).
• 5+ years of experience supporting VoIP/communications systems.
• 3+ years of experience with Microsoft O365 administration.
• 3+ years supporting mobile devices and managing carrier relationships (AT&T, Verizon, T-Mobile).
• Familiarity with voicemail, paging, SIP devices, and telephony fundamentals.
• Experience supporting telephony migrations (e.g., Ring Central, POTS, legacy PBX → Teams Voice).
• Understanding of telephony networking concepts such as QoS, VoIP basics, and routing.
• Ability to use Power Shell for running scripts and administrative tasks.
• Strong communication, customer service, and collaborative IT support experience.

• Experience with Ring Central migrations.
• Knowledge of Intune for mobile device management.
• Experience with Service Now ticketing.
• Background supporting large-scale infrastructure or multi-site technology rollouts.
• Active Directory administration experience.
• Exposure to multi-vendor telephony hardware/software environments.

• Administer and support Microsoft Teams Voice across all corporate and field locations.
• Lead or support telephony migration projects, including number porting and phone deployment.
• Maintain and troubleshoot existing telephony systems until fully transitioned to Teams Voice.
• Respond to telecommunication issues, outages, and Service Now tickets in a timely manner.
• Ensure stable performance of all telephony services through tuning and proactive monitoring.
• Support corporate mobile device operations, including activation, deactivation, reporting, and carrier coordination.
• Manage telco vendor relationships and contracts (AT&T, Verizon, etc.).
• Support paging systems, SIP devices, and specialized communication systems used at certain sites.
• Collaborate across Systems & Operations, Network Operations, and the Service Desk to deliver seamless user experiences.
• Execute Power Shell scripts to support telephony and O365 administration tasks.
• Provide exceptional customer service and maintain strong communication with IT teams and end users.
• Participate as a key contributor in enterprise communication modernization initiatives.