Sr Engineer

CBTS; Chennai District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

CBTS in Chennai, India, seeks four Network Engineers to design, deploy, and support enterprise LAN and SD-WAN solutions. You will work across core network teams to plan, configure, and implement IP network solutions for CBTS clients across distributed sites.

The role requires hands-on experience with Cisco LAN/WLAN, SD-WAN, routing protocols, and security controls, plus strong communication and documentation skills.

Qualifications

• 6 to 7 years hands-on network engineering experience or 2 years as CBTS Engineer II
• Minimum 5 years hands-on experience engineering and administering enterprise IP networks
• Hands-on experience designing deploying and troubleshooting SD-WAN solutions (Cisco Catalyst SD-WAN/Viptela, Meraki, VeloCloud, or Fortinet)
• Demonstrated experience with Cisco LAN and WLAN technologies including branch/remote site deployments
• In-depth knowledge of TCP/IP and dynamic routing protocols (EIGRP, OSPF, BGP)
• Experience with VLAN design, ATM, Frame Relay, optical carriers, and heterogeneous environments
• Familiarity with ITIL service management frameworks in network operations and incident management
• Experience configuring and maintaining routers, bridges, switches, and related network hardware
• Strong written and verbal communication skills

Responsibilities

• Design, deploy, and support LAN and SD-WAN solutions for enterprise clients, including underlay/overlay design, orchestration, policy configuration, and optimization
• Engineer and configure Cisco-based LAN environments for distributed branch and remote sites
• Lead deployment projects including MOPs and execution of work
• Implement network designs delivering performance, reliability, and SLAs
• Provide Tier 3 escalation support for LAN and SD-WAN in a 24x7 production network
• Monitor network performance and communicate capacity needs for growth plans
• Troubleshoot complex network issues using traceroute, dig, tcpdump, and related tools
• Create detailed network diagrams and maintain accurate technical documentation

Job description

Job Description:

POSITION SUMMARY

CBTS is seeking four Network Engineers to join our Network Engineering team, specializing in LAN, and SD-WAN technologies. In this role, you will design, deploy, and support enterprise wired and wireless network solutions and next-generation SD-WAN architectures for CBTS clients. You will work across Core Network, OSP Planning and Engineering, VoIP Engineering, and operations teams to plan, configure, and implement IP network solutions. This position has a direct impact on client perception of the quality and value of CBTS data and internet products, as well as on operational and financial outcomes.

KEY RESPONSIBILITIES

Network Design and Deployment

• Design, deploy, and support LAN and SD-WAN solutions for enterprise clients, including underlay/overlay design, orchestration, policy configuration, and ongoing optimization
• Engineer and configure Cisco-based LAN environments, deployments for distributed branch and remote site architectures
• Lead all aspects of technical deployment projects including implementation planning, methods of procedure (MOPs), and execution of work
• Implement network designs that consistently deliver performance, reliability, and scalability within established Service Level Agreements (SLAs)

Operations and Support

• Provide Tier 3 escalation support for LAN and SD-WAN environments in a 24x7 production network environment via on-call rotation
• Monitor network performance and communicate capacity needs to Network Planning to support growth and capacity plans
• Troubleshoot complex network issues using tools such as traceroute, dig, tcpdump, packet analysis, and wireless diagnostic tools
• Configure and maintain hardware and software firewalls, VLANs, routing protocols, and related security controls

Client and Cross-functional Collaboration

• Represent Network Engineering on cross-functional product and project teams for the development, launch, and administration of managed network services
• Act as technical lead on complex networking projects as required by the business
• Engineer customer orders within the scope of the role based on accepted processes and established timeframes (OLAs)
• Create detailed network diagrams in Visio and maintain accurate technical documentation

QUALIFICATIONS

Required

• 6 to 7 years of hands-on network engineering experience, or 2 years of experience as a CBTS Engineer II
• Minimum 5 years of hands-on experience engineering and administering enterprise IP networks
• Hands-on experience designing, deploying, and troubleshooting SD-WAN solutions (Cisco Catalyst SD-WAN/Viptela, Meraki, VeloCloud, or Fortinet)
• Demonstrated experience with Cisco LAN and WLAN technologies, including architecture for branch and remote site deployments
• In-depth knowledge of TCP/IP and dynamic routing protocols including EIGRP, OSPF, and BGP
• Experience with VLAN design, ATM, Frame Relay, optical carriers, and heterogeneous networking environments
• Familiarity with ITIL service management frameworks and their application to network operations and incident management
• Experience configuring and maintaining routers, bridges, switches, and related network hardware
• Strong written and verbal communication skills

Preferred

• Cisco CCNP or CCIE certification strongly recommended; CWNA or equivalent wireless certification a plus
• ITIL Foundation certification or higher
• Expert knowledge of TCP/IP enhancements including multicast, QoS techniques, and bandwidth/path reservation
• Working knowledge of DS3, T1, OC3, ISDN, Frame Relay, SONET, ATM, DSL, and related link specifications
• Previous sales engineering, network design, or team leadership experience
• Experience with Telco provisioning processes
• Project management experience or exposure

EDUCATION

Bachelors degree in Computer Science, Information Technology, Network Engineering, or a related field, or equivalent hands-on job experience.

Requirements: