Network Ops (Voice) Engineer- L3 At Durham, NC - Contract

krg technology inc

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Durham, NC, us on site Until 8/22/2026 H-1B sponsor history First posted February 23, 2026 Last posted February 23, 2026
Job description

Lalitha Priya T

KRG Technologies Inc 


Title: Network Ops Engineer- L3

Location: Durham, NC 

Duration: Longterm Contract  


Network Ops Engineer: 


• Cisco Certified Network Associate (CCNA) Voice/Collaboration or higher level Ce1tification. -

• Proficient in VoIP infrastructure and protocols- SIP, MGCP, SCCP and SRTP. Cisco Unified Communication Manager vl0.5 and above. -

• Experience in Cisco Unified Call Manager Express and High Availability solutions. -

• Minimum 3-5 years' experience providing and implementing network infrastructures and must have experience developing, operating, and managing a VoIP environment. -

• Takes ownership of assigned tasks: motivated to improve system design, performance, and overall user experience. -

• Strong understanding of Network Management implementation and Voice network.

• Understanding of integrating Cisco Voice networks with other platforms.

• Experience with implementation and management of Cisco Call Manager servers. -

• Experience with the implementation and management of Cisco Prime Collaboration and modules.

• Understanding the interfacing routers/switches with encryption devices.

• Basic understanding of networking protocols, QoS etc.

• Excellent oral and written communications skills 



Thanks for your time.


Kind Regards,


Lalitha Priya. T

Sr.IT Recruiter  

KRG Technologies Inc

Direct: 661-367-8000 EXN: 211. 

All your information will be kept confidential according to EEO guidelines.

About this role

Summary

Manage and optimize VoIP networks, Cisco systems, and voice infrastructure.

Job title

Network Ops (Voice) Engineer- L3

Experience level

3-5 years

Industry

technology

Location requirements

On-site in Durham, NC, no remote work allowed.

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

Cisco Certified Network Associate (CCNA) Voice/CollaborationVoIP protocolsCisco Unified Communication ManagerCisco Call Manager Expressnetwork infrastructure

Preferred skills

Cisco Prime Collaborationencryption devicesQoSnetwork management

Specializations

VoIPCisconetwork managementvoice protocolscollaboration
Locations

Structured locations inferred from the posting.

Durham, NC, USA

On-site City