Engineer 3, Network Engineering

Comcast Advertising; Chennai District; On-site; INR 1,500,000 - 2,500,000; Full time

Job summary

Comcast India Engineering Center seeks a Senior Network Engineer to design and implement custom enterprise networks. You will mentor junior engineers, support pilots and collaborate with sales and services to deliver scalable, secure solutions.

The role requires strong vendor device knowledge, SDWAN expertise, and the ability to document architectures and procedures for ongoing operations.

Qualifications

• 5+ years of experience in network design, implementation, installation and maintenance.
• CCNP or equivalent certification (CCVP, CCSP, JNCIP) is preferred.
• Strong knowledge of vendor devices (Cisco, Meraki, Fortinet, Juniper, Aerohive).
• Experience with SDWAN and high-availability protocols and security basics.
• Ability to lead and mentor engineers and document network designs.

Responsibilities

• Design and implement custom network solutions for customers.
• Provide Tier IV escalation support and mentor junior engineers.
• Develop guidelines for network configuration and security standards.
• Create and maintain network diagrams and runbooks.
• Support pilots, testing, and knowledge transfer with sales and services.

Skills

Network design

Troubleshooting

Leadership guidance

Capacity planning

Documentation

Education

Bachelor's degree

Tools

WhatsUp Gold

SolarWinds Orion

Cisco CCE

Cisco Prime

FortiManager

FortiAnalyzer

Wireshark

Netscout

Job description

## Engineer 3, Network EngineeringApply: India - Chennai, Comcast India Engineering Cent: Full time: Posted Today: End Date: October 9, 2026 (9 days left to apply): R444856Comcast brings together the best in media and technology. We drive innovation to create the world's best entertainment and online experiences. As a Fortune 50 leader, we set the pace in a variety of innovative and fascinating businesses and create career opportunities across a wide range of locations and disciplines. We are at the forefront of change and move at an amazing pace, thanks to our remarkable people, who bring cutting-edge products and services to life for millions of customers every day. If you share in our passion for teamwork, our vision to revolutionize industries and our goal to lead the future in media and technology, we want you to fast-forward your career at Comcast.**Job Summary**Senior Network Engineer works for and under the general direction of the Manager, Network Engineering. Primary responsibilities include the design of custom enterprise network solutions for our customers, troubleshooting, installing, implementing and administering network systems, and providing Tier IV Help Desk escalation support. Analyzes capacity issues and develops capacity planning models. Responsible for ensuring planned maintenance and testing activities are executed and for developing guidelines for network configuration and security standards.**Job Description****Job Responsibilities** * Serves as a technical lead, providing guidance and mentorship to junior network engineers. This position works under limited supervision.* Design and implementation of custom network solutions for existing and potential customers. Follows best-practice industry standards to provide a network design which is functional, scalable and secure.* Supports the Solutions Architect group to design, document and implement customer pilots and provide support for customer testing as required while in the pilot phase of the sales process.* Provides network engineering support to Sales organization as required.* Provides Tier IV escalation support to Help Desk. Troubleshoots, diagnoses and resolves* customer network issues. When applicable, recommends changes to remediate any network* deficiencies to enhance network performance.* Researches, evaluates and provides recommendations for new hardware and software* solutions, to stay current with new technology and market trends and future requirements.* Position requires participation of a rotating “on call” schedule to provide support for our* business and customers.* Creates technical presentations as needed, presenting to various audiences (both internal* and external) with all levels of technical knowledge.* Develops, documents and maintains processes and procedures related to design,* implementation, maintenance and operations of various complex customer networks.* Follows and enforces documented processes and procedures to meet established* compliance requirements.* Analyzes customer bandwidth requirements and system interdependencies as required.* Develops capacity planning models to meet customer’s future needs.* Supports various professional services projects for existing or prospective customers to* include, but not limited to Network Discovery & Design, Wireless LAN, and Security audits.* Perform other tasks as assigned. **Education and Experience:** * 5+ years of experience in network design, implementation, installation, maintenance and* to include :* SDWAN technologies troubleshooting of complex networks.* Equivalent combination of education and experience considered.* CCNP, JNCIP, FNCSP(NSE4), CCVP, CCSP Certification or equivalent on-the-job experience* considered* Strong working knowledge of various Vendor routers, switches, firewalls, SDWAN appliances* and wireless devices to include; Cisco, Meraki, Fortinet, Juniper, Aerohive, Mist and Cradlepoint* Strong understanding of networking technologies* High Availability protocols such as; HSRP, VRRP, GLBP* IP Routing protocols to include; RIPv1, RIPv2, OSPF, BGP, EIGRP, Policy Routing* Tunneling protocols to include; GRE, IPSec, DMVPN, IWAN* QOS, Traffic Policing and Shaping* ACLs, AAA, TACACS+, RADIUS, SNMP, DHCP* Switch VLANs, VTP, STP, Wireless Networking* Understanding of VoIP, SIP and PRI voice technologies* Understanding of various network tools to include WhatsUp Gold, SolarWinds Orion, Cisco* CCE, Cisco Prime, FortiManager, FortiAnalyzer, Wireshark or Netscout* Understanding of various compliance requirements, to include, but not limited to, PCI DSS,* HIPAA, SOC a plus* Organized individual with the ability to manage multiple projects or tasks, while in a leadership* or team member role.* Strong technical documentation skills, to include creating network diagrams, operations and* maintenance procedures, and technical presentations.* Strong verbal skills, to include technical presentations to all levels of technical expertise. **Employees at all levels are expected to:** * Understand our Operating Principles; make them the guidelines for how you do your job.* Own the customer experience think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.* Know your stuff be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.* Win as a team make big things happen by working together and being open to new ideas.* Be an active part of the Net Promoter System a way of working that brings more employee and customer feedback into the company by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.* Drive results and growth.* Support a culture of inclusion in how you work and lead.* Do what's right for each other, our customers, investors and our communities.**Disclaimer:** This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That's why we provide an array of options, expert guidance and always-on tools that are personalized to meet the needs of your reality—to help support you physically, financially and emotionally through the big milestones and in your everyday life.Please visit the benefits summary on our careers site for more details.**Education**Bachelor's DegreeWhile possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.**Certifications** (if applicable)**Relevant Work Experience**5-7 YearsComcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.