Network Engineer: Enterprise & Contact Center

Summitnext; Pune District; On-site; INR 1,400,000 - 2,200,000; Full time

Job summary

Summitnext is seeking a mid‑senior Network Engineer to own day‑to‑day engineering and operations of the TLCx enterprise network across US delivery sites and cloud environments. You will manage LAN/WAN, wireless, firewalls, VPN, and real-time QoS for contact center operations, handling both project builds and ongoing incident response.

You will work with cross‑functional teams to design, implement, and document secure connectivity, monitor performance, and ensure compliance with audits (PCI-DSS,

Qualifications

• 4–8 years hands-on network engineering in enterprise or managed services.
• Experience with enterprise switching/routing and firewall administration.
• Experience supporting voice/QoS in contact center or UC environments.
• Knowledge of SD-WAN, IPsec VPN, BGP/OSPF, segmentation design.
• Experience documenting networks for audits and compliance.
• CCNA or CCNP preferred.

Responsibilities

• Engineer and maintain switching, routing, and wireless across sites.
• Administer firewalls and VPNs, segmentation, and change control.
• Own QoS design for real-time voice in contact centers.
• Manage SD-WAN and carrier circuits; plan bandwidth capacity.
• Support SIP trunking and telephony dependencies.
• Document client connectivity, VPN tunnels, VLANs per client security.
• Produce network diagrams and IP schemas for audits.
• Perform RCA for incidents within 48 hours.
• Monitor networks and triage incidents within SLA.
• Join on-call rotation with India hours and US overlap.

Skills

Network engineering

English communication

Education

CCNA or equivalent certification

Tools

Cisco devices

Aruba devices

Fortinet firewalls

Meraki

Ubiquiti UniFi

Python

Ansible

Job description

About the job Network Engineer: Enterprise & Contact Center

Role Summary
Owns day-to-day engineering and operations of the TLCx enterprise network across US delivery sites and cloud environments: LAN/WAN, wireless, firewalls, VPN, and the voice-grade QoS that contact center operations depend on. Carries both project work (site buildouts, refreshes, client connectivity) and operational ownership (monitoring, incident response, change management).

Key Responsibilities

• Engineer, configure, and maintain switching, routing, and wireless infrastructure across delivery sites and corporate environments
• Administer firewalls and security appliances: rule management, VPN (site-to-site and remote access), segmentation, change control
• Own QoS design and enforcement for real-time voice traffic; troubleshoot latency, jitter, and packet loss affecting contact center operations
• Manage SD-WAN and site connectivity, including carrier circuits, failover validation, bandwidth capacity planning
• Support SIP trunking and telephony network dependencies alongside Build tier platform engineers
• Stand up and document client-dedicated connectivity: VPN tunnels, private circuits, segmented VLANs per client security requirements
• Produce and maintain network diagrams, IP schemas, and configuration baselines for client security assessments/audits (PCI-DSS, HIPAA, IRS 1075)
• Execute evidence requests for vendor risk assessments: firewall rule reviews, segmentation validation, penetration test remediation
• Operate network monitoring/alerting; triage and resolve incidents within SLA, escalate per runbook
• Participate in on-call rotation covering India business hours with defined US overlap
• Conduct root cause analysis for P1/P2 incidents; deliver written RCA within 48 hours

Required Qualifications

• 4–8 years hands-on network engineering in enterprise or managed services environments
• Production experience with enterprise switching/routing (Cisco, Aruba, Fortinet, or equivalent) and firewall administration
• Demonstrated experience supporting voice/RTP traffic and QoS in contact center or UC environments
• Working knowledge of SD-WAN, IPsec VPN, BGP/OSPF, network segmentation design
• Experience producing audit-ready network documentation and supporting compliance assessments
• CCNA or equivalent certification (CCNP preferred)
• Strong written and spoken English

Preferred Qualifications

• BPO, contact center, or managed services delivery environment background
• Exposure to Meraki or Ubiquiti UniFi fleets in branch environments
• Experience with network automation (Python, Ansible) and infrastructure-as-code
• Prior work in regulated environments (healthcare, government, financial services)
  

Location: India - Brick & Mortar Facility (Bengaluru, Hyderabad, or Pune)
Engagement: Contract to Hire | 12-Month Initial Contract
Level: Mid-Senior (4–8 years experience)
Reports To: US-based CTO / Infrastructure Lead