35 Layer 3 Jobs

Role & responsibilities Job Description We are seeking a Wireless Network Engineer with 3-4 years of experience in networking, preferably with a strong background in WiFi (802.11 standards). The ideal candidate will work on designing, deploying, and troubleshooting wireless networks, optimizing performance, and collaborating with cross-functional teams to enhance our solutions Proficient in at least any one of the following technologies 802.11 technologies (Wifi5/6/6E/7, WPA2/WPA3, Mesh, Openroaming) Layer 3 Technologies (IPv6/IPv4/DHCP/802.1x/QOS ) Layer 2 Technologies (Ethernet, VLAN, STP, ARP, LACP) Security Technologies (Firewalls,ACL/ L2tpv3, IPSec, GRE, IDP/IDS) Network Application Dev...

Job Role: L2/ L3 Network Developer Experience: 3 - 8 Years Location: Chennai / Pollachi / Bangalore Key Skills L2 / L3 Networking Protocols Switching & Routing Product Development Golang (multi-core, multi-threading) Kubernetes & Containers RESTful APIs, SNMP Distributed Systems Agile Development Roles & Responsibilities Design and develop L2 / L3 networking features for switching and routing products Implement high-performance networking modules using Golang Build and maintain containerized, cloud-native applications Develop and integrate RESTful APIs and SNMP interfaces Participate in architecture, design, coding, and unit testing Debug, troubleshoot, and optimize networking applications C...

Responsibilities: Automation Development: Develop, maintain, and execute automation scripts for testing network devices and NMS using industry-standard automation frameworks and tools (e.g., Python, Robot Framework, Selenium, Postman). Test Design and Execution: Design and implement automated test cases for validating the functionality, performance, and security of network devices (routers, switches etc.) and NMS applications. Network Protocols: Test devices and NMS functionality using network protocols such as SNMP, CLI, NETCONF, REST, and more. Integration Testing: Collaborate with software engineers to develop integration tests and validate proper communication between devices, NMS, and o...

Skills required: Domain Knowledge of 3GPP RAN specifications (5G NSA and 5G SA) and 3GPP specifications, 5G RAN architecture Having protocol knowledge of RRC, NAS, IMS, SIP Design/Development experience in C/C++ language in a windows programming environment. Design/Development experience in Data structures. Having Knowledge of QXDM, Wireshark, 3GPP protocols and Software versioning (SVN, GIT)

Essential skills & experience Layer 1, 2, and 3 network troubleshooting. Network device provisioning and management either using Bash or Python OR any scripting languages and Automation tools. IPv6 routing and switching. Implementing Zero Touch Provisioning (ZTP). Large scale deployment projects. Network Device Compliance and Security. Leaf-Spine Architecture. Fiber optic circuit troubleshooting and hardware inventory management. Global cross-functional team interaction. ONLY BENGALURU CANDIDATES SHOULD APPLY.

Key Skills: WiFi, C++, Linux, Layer2, Layer 3, TCP/IP, Networking, WAP, UDP, Ethernet, DHCP Roles and Responsibilities: Develop and implement new Wi-Fi features on the RDKB/Prpl platform. Collaborate with cross-functional teams to design and optimize networking solutions. Analyze and troubleshoot TCP/IP internals and common network protocols including DHCP, DNS, IPV4/IPV6, NAT. Demonstrate in-depth knowledge of Layer 2 and Layer 3 protocols such as Ethernet, IP, TCP/UDP, MPLS, BGP, and OSPF. Work on TR-069, TR-181 data models, and DOCSIS / DSL / GPON technologies. Ensure compliance with IEEE802.11/Wi-Fi protocols including WPA, RADIUS, WPS, 802.11n/ac/ax/be, and mesh networking. Skills Requi...

Hiring for L2, L3 Protocol Testing -Python Automation Engineer Job Location : Chennai Experience : 3 -5 Years Notice period : Only Immediate to 15 Days Job Description : *Layer 2, Layer 3 Protocol Testing *Python Scripting *Python Automation Engineer *STP, RSTP Interview process : First Round interview : Virtual Second Round interiew : F2F @ Chennai Interested candidate can share the resume yamuna.k@harita.co.in

We are hiring for following 2 positions: 1. Technical Lead, Protocol Testing - 2 Candidate from Cellular background or LTE experience please dont apply. Mandatory Skills: Experience in testing networking protocols such as IPv4, IPv6, DHCP, TCP/IP, ICMP etc. Experience in WIFI testing Having experience in testing Linux applications. Experience with source control and automated build systems Experience with Python scripting language Interview Process: 1st Round: Technical (Virtual) 2nd Round: Technical (F2F) (If available in Delhi NCR) 3rd Round: Techno Managerial (Virtual) 4th Round: HR Round Regards' HR Team

Position: Network Infrastructure / DCP Engineer Work location: Bengaluru Work Mode: IN OFFICE (24/5 Rotational Shifts) Minimum 3+ years of experience in troubleshooting network Layer 1, 2, and 3 issues, preferably within AI fabric, 3-tier Leaf and Spine, NSF, and Optical networks. Provide direct engineering support to Data Center Construction, NetOps, FacOps, activation, and audit teams. Respond to hardware, software, network, design, or tooling issues; create and manage tickets, and drive network-related issues to resolution. Bash and Python scripting for device automation via CLI SDN automation experience Fiber optic circuit troubleshooting, including MTP fanouts Experience with rack, fibe...

Title: Network Engineer Location: Bangalore/Hyderabad/Chennai Notice Period :Immediate Senior Network Engineer Routing & Switching Required Skills Expertise in Layer 3 networking (TCP/IP, OSPF, EIGRP, BGP). Familiarity with NAT, IPv4, and firewall operations (TCP/UDP). Deep technical expertise on CISCO, CISCO NEXUS switches and routers. Exposure to cloud network troubleshooting (GCP and AWS desirable). Understanding of change management and operational support. Strong willingness to learn and adapt. Qualifications : Bachelors degree in computer science, IT, or related field (or equivalent experience). 3-5 years of networking experience or relevant internships. Certifications like CCNP, CompT...

Job Title: Embedded Software Developer Experience: 6 - 15 Years Location: Chennai, India Employment Type: Full-time About the Role We are seeking an experienced Embedded Software Developer to join our team in Chennai. The ideal candidate will have a strong background in wireless networking product development with hands-on expertise in switches and routers , along with deep knowledge of networking protocols and embedded systems programming . Key Responsibilities Design, develop, and maintain embedded software for networking products such as switches and routers. Work on protocol stack development and integration across Layer 1, Layer 2, and Layer 3 . Implement and troubleshoot networking pro...

TCS Hiring for Network Engineer L5 Role: Network Engineer L5 Desired Experience Range: 5 years-11 years Location: Hyderabad, Chennai, Bangalore Job Description : Must-Have 5+ years of validated experience in managing, provisioning, and implementing network and firewall technologies in a large globally diverse environment. Expert-level experience in Checkpoint and Fortinet Firewalls Strong knowledge of HTTP protocol, SSL/TLS, PKI Good hands-on experience on networking equipment, management tools and network analyzers Ability to write detailed methods of procedure and maintain documentation Use of Network Automation tools is preferred Good knowledge of Layer 3 technologies, including - IPv4, B...

We are hiring for following 2 positions: 1. Technical Lead, Protocol Testing 2. Senior Engineer, Protocol Testing Candidate from Cellular background or LTE experience please dont apply. Mandatory Skills: Experience in testing networking protocols such as IPv4, IPv6, DHCP, TCP/IP, ICMP etc. Experience in WIFI testing Having experience in testing Linux applications. Experience with source control and automated build systems Experience with Python scripting language Interview Process: 1st Round: Technical (Virtual) 2nd Round: Technical (F2F) (If available in Delhi NCR) 3rd Round: Techno Managerial (Virtual) 4th Round: HR Round Regards' HR Team

Physical Walk-In Interview for IT Engineers Interview Date: 01st November -2025 (Saturday) Interview Time : 10 AM 5 PM Notice Period: Immediate to 15 Days Job Location : Chennai 2) QA Python Automation Engineer Skills: QA, Python Scripting, L2 Protocol, STP, Networking Experience: 3 to 5 Years Venue Details: 7th Floor, No. 117, Arihant E Park, 1, Lattice Brg Rd, Baktavatsalm Nagar, Adyar, Chennai, Tamil Nadu 600020

Role ** L2 & L3 Protocol test Engineer Required Technical Skill Set ** L2: VLANs, xSTP, LACP, LLDP, VRRP, Mac learning, ARP, Q in Q L3: OSPF, BGP, ISIS QOS Desired Experience Range ** 6-8 Location of Requirement Hyderabad Desired Competencies (Technical/Behavioral Competency) Must-Have ** Experience in L2 & L3 Protocols testing Familiarity with traffic test equipment like ixia and Spirent. Ability to understand end to end regression testing work flow at technology area and platform/product level Having experience and capability in solving complex issues in testing. High quality debugging skills, ascertaining the reason for failure, distinguish between a SW bug or otherwise precisely. Test au...

Comcast's Technology, Product & Experience organization works at the intersection of media and technology. Our innovative teams are continually developing and delivering products that transform the customer experience. We work every day to make a positive impact through innovation in the pursuit of building amazing products that are enjoyable, easy to use and accessible across all platforms both on Broadband and Video products. The team also develops and supports our evolving network architecture, including next-generation consumer systems and technologies, infrastructure and engineering, network integration and management tools, and technical standards. In most cases, Comcast prefers to hav...

Title: Network Engineer Location: Bangalore/Hyderabad/Chennai Notice Period :Immediate Network Engineer Firewalls and Load Balancers - 3 Role Overview : The ideal candidate will have 2-4 years of hands-on experience with firewall administration, load balancer configuration, and network troubleshooting, with a strong understanding of network protocols and security best practices. Key Responsibilities : Design, configure, and maintain firewall policies on platforms such as Palo Alto, Cisco ASA and Checkpoint. Implement and troubleshoot IPsec/SSL VPNs, firewall rules, and security zones for secure network access. Monitor firewall logs, analyse traffic patterns, and optimize performance to ensur...

Roles and Responsibilities : Design, develop, test, and deploy Datacom solutions using C programming language. Collaborate with cross-functional teams to identify business requirements and design scalable network architectures. Troubleshoot complex network issues related to Ethernet, Profinet, routing, switching, VLAN configuration. Job Requirements : 5-8 years of experience in developing Datacom solutions on Linux platforms. Strong understanding of layer 2 protocols such as Ethernet and Profinet. Experience with DPDK (Data Plane Development Kit) technology for high-performance networking applications. Proficiency in C programming language. Experience in Networking protocols like VLAN, OSPF,...

Job Description: 1. Required 4 to 8 years of Relevant work experience in networking domain. 2. Strong programming skills in C, C++, Python, and Golang. 3. Work Experience on Layer 2 and Layer 3 networking protocols including xSTP, LLDP, LACP, OSPF, BGP, IPSec, IKE, GRE, EVPN/vxLAN, MPLS, and QoS. 4. Development and integrate management interfaces such as SNMP, Netconf/YANG, REST, CLI, gNMI, and gRPC. 5. Deep Understanding of networking stacks and protocols. 6. Experience with NOS development, preferably SONiC. 7. Hands-on experience with Broadcom ASICs (XGS family); Marvell ASICs is a plus. 8. Contribute to system-level features like platform bring-up, stacking, and high availability. 9. Col...

About the Role We are seeking a highly skilled and motivated Network Engineer to join our growing IT infrastructure team. You will be responsible for designing, implementing, maintaining, and supporting our mission-critical networks. The ideal candidate will hold both Cisco CCNP and Juniper JNCIP certifications and have deep, hands-on experience with enterprise-level routing, switching, and network security. Youll work in a fast-paced environment where you’ll collaborate with cross-functional teams to support network reliability, scalability, and performance across the organization. ________________________________________ Key Responsibilities Configure and install network devices and servic...

We are looking for an experienced and motivated Software Engineering Lead to join our team, and work on our cutting edge 5G Anyhaul Ethernet transport products. This position requires an in-depth understanding of Layer 2/3 Data Networking technologies and substantial experience in Kernel and Driver level architecture and development. What you'll do The successful candidate will lead the development of Layer 2/3 Data Networking technologies,Kernel, BSP/Driver related work and will have the following responsibilities: • Architect, design and implement Layer 2 Data Networking technologies • Work on kernel and driver level functionality • Participate and lead various architectural and design dis...

We are hiring for following 2 positions: 1. Technical Lead, Protocol Testing 2. Senior Engineer, Protocol Testing Candidate from Cellular background or LTE experience please dont apply. Mandatory Skills: Experience in testing networking protocols such as IPv4, IPv6, DHCP, TCP/IP, ICMP etc. Having experience in testing Linux applications. Experience with source control and automated build systems Experience with Python scripting language Interview Process: 1st Round: Technical (Virtual) 2nd Round: Technical (F2F) 3rd Round: Techno Managerial (Virtual) 4th Round: HR Round Regards' HR Team

Network Engineer II supports the planning, design, implementation, and maintenance of company global network infrastructure. The role is a key contributor to the Global Networking Team, driving excellence in network operations and contributing to the overall success of company IT initiatives. Global Network Infrastructure Design and Implementation: Participate in network architecture reviews and contribute to the development of scalable and resilient network designs. Collaborate with senior engineers to implement network upgrades, expansions, and migrations across all locations while minimizing impact to the business. Network Operations and Maintenance: Respond to incidents and service reque...

Virtual Walk-In Interview for IT & Mechanical Engineers _Harita Techserv Pvt Ltd Interview Details: Interview Date: 06-Sep-25 (Saturday) Interview Time: 10 AM to 5 PM Virtual interview link: https://meet.google.com/yum-xbra-zxq Notice Period: Immediate to 30 Days 1. Role: QA Automation Engineer Experience: 3 -7 Years Skills: QA, Python, L2 & L3 Networking Protocol, OSPF, STP, Automation Engineer Job Location: Chennai Interested candidates please share your resume yamuna.k@harita.co.in

Hi, We are currently hiring!! Role & responsibilities Platform Bring-up & System Features: Lead the bring-up of our NOS on new hardware platforms, including the development and integration of Linux device drivers. Ensure system-level features such as High Availability (HA) and Stacking are robust and performant. NOS Development & Sustenance: Design, develop, and maintain software for our NOS, ensuring reliability, performance, and scalability. This includes troubleshooting and resolving complex issues in the field. Network Stack Development: Drive the development of Layer 2 and Layer 3 networking protocols. That may need expertise in routing protocols such as OSPF and BGP , as well as other ...