Sinniah Kokilakumar

VP, Voice Operations and Network Service Assurance @ C Spire

About

Telecommunication (Wireless, Wireline, VoIP), Network Transformation, Engineering and Technical Operation Support experienced leader. I have built and managed teams in the following arenas of VoIP & Wireless Communication: • Technical Operation Support. • Network Service Assurance • NOC Operations • IT Quality Assurance (QA) • New Product & Service Implementation Specialties: • Implement operational processes and procedures. • Drive efficiency. • Delivering excellent customer experience. • Developing and motivating teams to exceed business objectives. • Managing Geo-diverse environments. • Project Management Technology & Features: • LTE/IMS/Wi-Fi/5G • VoIP/LCR/Robot Call Blocking/ STIR & SHAKEN

Country

United States

City

Atlanta Metropolitan Area

Industry

Telecommunications

Skill

Telecommunications, Wireless, VoIP, Vendor Management, Mobile Devices, IP, GSM, LTE, Cross-functional Team Leadership, Program Management, Integration, Product Management, Process Improvement, Network Design, UMTS, Management, 3G, SIP, Project Management, System Deployment

Experience

VP, Voice Operations and Network Service Assurance

C Spire

2025-8 - Present · 1 yr 2 mos

United States

Head of Network Service Assurance

C Spire

2021-11 - 2025-8 · 3 yrs 10 mos

Senior Manager, Wireless & VoIP Engineering & Operation

C Spire

2018-4 - 2021-10 · 3 yrs 7 mos

Principal Consultant - MVNO

Charter Communications

2017-5 - 2017-12 · 8 mos

Greater Atlanta Area

Set up MVNO Operation for Spectrum Mobility, Charter communication.

Senior Manager, Network Operation – US (MVNO)

Vodafone Business

2016-7 - 2017-2 · 8 mos

Atlanta, GA, USA

Vendor liaison and Engineering Operation support for the production MVNO.

Manager, Tier2 NPSI

T-Mobile

2015-7 - 2016-7 · 1 yr 1 mo

Seattle, WA, USA

New product integration liaison between Engineering and Operation (VoLTE/IMS) to smooth transitioning of new services from Engineering to Support organizations (Care, NOC & Tier2). Optimized Network alerts and increased team effectiveness of NOC. Established & Implemented Technical Policies & Procedures to adopt new services.

Director Wireless Network & Software QA.

Cricket Wireless

2014-1 - 2015-4 · 1 yr 4 mos

Alpharetta, GA

Responsible for the managed service Lab and production integration of the Wireless Network.

Director of Operation

CROSSTEL, INC.

2011-7 - 2014-1 · 2 yrs 7 mos

West Point, GA

Responsible for directing and controlling the activities of Telecommunication and IT infrastructure Engineering & Operation Departments. Enhanced VoIP network uptime by implementing network enhancements, operational excellence and proactive monitoring and boosted customer satisfaction. Migrated, smoothly, all the class-5 VoIP connections to cloud-based switches to reduce operating cost. Built a 24x7 GNOC (overseas) from the scratch, manage & consistently met the agreed SLAs. Improved QA processes reduced testing time & improved software development quality. Established new and automated monitoring to meet daily revenue-target from the Long-Distance services.

Senior Manager, Wireless MVNO Operations.

Cox Communications

2010-3 - 2011-7 · 1 yr 5 mos

Atlanta, GA

Responsible to monitor MVNO partners SLA commitments and Network Performance on all time.

Manager, Core Technical Support

T-Mobile

2007-1 - 2010-3 · 3 yrs 3 mos

Frisco, TX

Wireless Core National Network Operation.

Manager, Core Network Perfomance

T-Mobile

2004 - 2006 · 2 yrs

Atlanta, GA

Responsible to keep up the Core Network MSC Performance (KPI).

Senior Engineer

T-Mobile

2000 - 2004 · 4 yrs

Greater Atlanta Area

• Built a multi-Vendor support team to improve Network Monitoring Performance. • Designed & implement NSS/BSS –Network. • SME for Project Management in support of developing Project Plans. • Performed Network Impact analysis when introducing new features, functions and nodes. • Performed acceptance testing of all features, functions and hardware of all switch related nodes.