Voice & Networking Engineer

Agivant Technologies India Private Limited | Full time

Seattle, United States | Posted on 10/23/2025

Agivant is a new-age AI-First Digital and Cloud Engineering services company that drives Agility and Relevance for our client’s success.

Powered by cutting-edge technology solutions that enable new business models and revenue streams, we help our clients achieve their trajectory of growth.

Agility is a core muscle, an integral part of the fabric of a modern enterprise. To succeed in an ever-changing business environment, every modern organization needs to adapt and renew itself quickly. We help foster a more agile approach to business to reconfigure strategy, structure, and processes to achieve more growth and drive greater efficiencies.

Relevance is timeless and is the only way to survive and thrive.

The quest for relevance defines the exponential acceleration of humanity. This has presented us with a slew of opportunities, but also many unprecedented challenges. With technology-led innovation, we help our customers harness these opportunities and address myriad challenges.

About the Role Agivant is seeking a Voice & Networking Engineer (Seattle/Remote-US) to support voice calling and outbound communication infrastructure
.

Mandatory experience:

• CUCM, Asterisk, and Voice Networking
• IP​v4/IP​v6 and routing protocols (BGP, OSPF, EIGRP)

This role is ideal for candidates passionate about VoIP, SIP, and Network Automation.

What You’ll Do

• Manage and maintain SIP-based telephony systems (Asterisk, CUCM, Cisco Voice Gateways).
• Troubleshoot call routing, trunking, and carrier interconnect issues.
• Maintain and optimize voice gateways (CUBE and non-CUBE),
  IVRs
  , and ACDs
  .
• Collaborate with carriers and ensure compliance with PSTN and regional telecom regulations
  .
• Support networking for telephony
  , including routing, IPv6, and ACL-based security.
• Automate monitoring and maintenance tasks using Bash and Python scripts.
• Document configurations, workflows, and infrastructure changes.

What We’re Looking For

Voice / Telephony

• Solid understanding of SIP protocol and VoIP call flow.
• Experience with Asterisk (open‑source IP/PBX) and Cisco Unified Communications Manager (CUCM).
• Knowledge of CVOICE concepts and maintaining Cisco IOS‑based voice gateways (analog, ISDN, SIP).
• Experience troubleshooting with carriers and understanding IVR/ACD systems
  .
• Familiarity with regional PSTN regulations
  .
• Nice to Have:
  Cisco VCS experience and understanding of WebRTC clients.

Networking

• Strong grasp of route/switch fundamentals as they apply to telephony.
• Working knowledge of IPv6 (dual‑stack and single‑stack voice).
• Experience with Cisco IOS
  , ACLs
  , and network security
  .
• Comfortable managing CentOS / RHEL environments.
• Bonus: security‑minded approach to network operations.
• Proficiency in bash/shell scripting
  .
• Ability to write and run SQL queries
  .
• Bonus: familiarity with Chef/Puppet and AWS EC2/RDS
  .