Network Engineer III — LAN & SD-WAN

24x7 Support

Chennai Required Skill set : LAN, WAN, WLAN, and Voice. ? Interested candidates can share their resumes at [email protected] ABOUT CBTS

CBTS is a leading technology services company delivering cutting-edge IT solutions to mid-market and enterprise clients across North America. With a portfolio spanning managed services, cloud, networking, security, and professional services, CBTS partners with over 3,000 clients to solve their most complex technology challenges. Our team thrives on accountability, collaboration, and a relentless commitment to client success. 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

📌 Network Engineer (Chennai)
🏢 CBTS
📍 Chennai