14 Layer 3 Jobs

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 requests related to network connectivity and performance in a timely manner. Monitor and maintain network performance, troubleshoot issues, and assist with the implementation of solutions to optimize. Technical Skills and Knowledge: Cisco Networking Technologies: In-depth knowledge and hands-on experience with Cisco networking products and technologies, including routers, Catalyst and Nexus switches, ASA and FTD firewalls, Catalyst wireless controllers and access points. Routing Switching Protocols: Proficiency in routing protocols such as OSPF and BGP. Understanding of switching concepts including VLANs, STP, EtherChannel, and Layer 2/Layer 3 switching. Experience in packet capture analysis and network performance monitoring. (SolarWinds Orion experience is a plus). Knowledge of scripting/automation tools is a plus.

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 key technologies like MPLS , VXLAN , and QoS . (May not be all the protocols mentioned here) Management & Control Plane: Implement and sustain management interfaces and protocols, including SNMP , NETCONF/YANG , REST , CLI , gNMI , and gRPC , to enable seamless integration with network management systems. (May not be all the protocols mentioned here) ASIC/NPU Integration: Leverage your strong experience with Broadcom's XGS/DNX family of devices to develop and optimize software for high-performance packet forwarding. Experience with Marvell's Innovium/Prestera family is a plus. Collaborative Teamwork: Work closely with other engineering teams, QA, and customer-facing teams to ensure the successful delivery and deployment of our products. Experience: A minimum of 3 years of relevant experience as an Individual Contributor in a networking domain. Preferred candidate profile Programming Languages: Rich, hands-on experience with C , C++ , Python , and GoLang . Networking Expertise: In-depth knowledge of L2/L3 networking protocols (e.g., OSPF, BGP). Proven experience with MPLS, VXLAN, and QoS. Management Protocols: Strong understanding and practical experience with network management protocols and APIs (SNMP, NETCONF/YANG, REST, gNMI, gRPC). ASICs: Solid working experience with network processor units (NPUs) from Broadcom (XGS/DNX family). NOS Experience: Prior experience in Network Operating System (NOS) development or sustenance is essential. Experience with SONiC NOS is a significant advantage. Regards, Usha Recruiter

Experience in design and development in any one of the Layer-3 Unicast routing protocols (e.g. BGP, IS-IS, OSPF),multicast routing protocols (e.g. PIM, IGMP, MSDP), MPLS signaling protocols Experience in C , Data Structure and Algorithms and Python Office cab/shuttle Food allowance Annual bonus Health insurance Provident fund

Responsibilities: * Design, develop, test and maintain datacom solutions using L3 protocols. * Implement MPLS, UNICAST, Multicast, OSPF, C programming language with data structures and algorithms. Office cab/shuttle Food allowance Annual bonus Health insurance Provident fund

Dear Candidates, We are seeking a skilled and motivated Layer-2 Technical Deployment Engineer with a minimum of 2 years of hands-on experience in networking, switches, firewalls, wireless access points (WAP), servers, storage, operating systems, and Active Directory . The ideal candidate will be responsible for deploying, configuring, and troubleshooting IT infrastructure solutions, ensuring seamless integration with existing environments while maintaining high standards of performance and security. Key Responsibilities: 1. Network Deployment & Configuration : Install, configure, and maintain Layer-2 and Layer-3 network switches and routers. Configure VLANs, trunking, and port security on switches. Optimize network performance by conducting regular analysis and troubleshooting. 2. Firewall & Security Implementation : Deploy and configure firewalls for securing network perimeters. Apply and manage access control lists (ACLs) and VPN configurations. 3. Wireless Access Points (WAP) : Set up, configure, and optimize wireless access points for stable and secure connectivity. Perform site surveys and troubleshooting for wireless networks. 4. Servers & Storage : Install and configure physical and virtual servers, including Windows and Linux-based environments. Set up and manage storage solutions such as SAN and NAS. Perform server monitoring, patching, and backup configurations. 5. Operating Systems : Install, configure, and troubleshoot Windows and Linux operating systems. Apply updates and ensure compliance with security policies. 6. Active Directory Management : Configure and manage Active Directory (AD) services, including user account management, Group Policy, and domain trusts. Maintain AD security and resolve any directory-related issues. 7. Technical Documentation & Reporting : Create and maintain deployment, configuration, and troubleshooting documentation. Provide timely status updates to stakeholders during deployment projects. 8. Client Interaction : Work closely with clients to understand requirements and provide technical solutions. Offer post-deployment support and training when necessary. 9. Collaboration & Teamwork : Collaborate with cross-functional teams, including pre-sales, project managers, and technical support teams. Participate in technical discussions and contribute to knowledge sharing. Required Skills & Qualifications: 1. Technical Expertise : Strong understanding of Layer-2 and Layer-3 networking concepts, including VLANs, STP, and routing protocols. Hands-on experience with switches (Cisco, HP, or equivalent), firewalls (Fortinet, Palo Alto, or similar), and wireless access points. Familiarity with server and storage hardware, operating systems, and virtualization platforms. 2. Certifications (Preferred) : CCNA or equivalent certification in networking. CompTIA Network+ or Security+. Microsoft certifications like MCSA or Azure Fundamentals. Contact Details: Kindly forward your profile careers@layots.com

Role & responsibilities Years of exp - 4years to 12years LOcation - Bangalore & Chennai Network Software Devloper/datacom Devloper/l2/l3 Developer Programming - C/C++ OS - Unix/Linux, OS Concecpts - IPC Concepts, Multithreading, Multiprocessing and Socket concetps Basic Data networking concepts and Datacentre networking concepts BGP/ BGP-EVPN /OSPF/ISIS/RIP/IPv4/IPv6 : at least having complete understanding of one of the protocols along with some hands-on VLAN / LAG / MCLAG /ARP/Routing Manager(RTM) : Core Protocol knowledge with hands-on Hands-on experience of development /defect fix of above protocols on any Router/switch products SDN concepts(OVS, Openflow, SD-WAN, ACL, FASTPATH, DPDK) VXLAN MPLS and IPSec Preferred candidate profile

We are hiring an experienced Network Architect for our Vadodara location. The ideal candidate will lead network architecture and design initiatives and support the configuration, optimization, and security of global enterprise network systems. Required Candidate profile Soft Skills: Strong analytical and troubleshooting skills Excellent verbal and written communication in English Ability to work independently and in cross-functional teams

Experienced in managing routing on Peering models and Internet Exchange Points (IXPs), with a solid understanding of Looking Glass and DPI tools. Proficient in QOS/HQOS, HSRP/VRRP, EtherChannel, and VPN solutions for both Layer 2 and Layer 3. Hands-on experience troubleshooting complex L3 VPN services and L2 VPLS domains. Strong communication skills with a customer-focused approach. Expertise in QOS design and configuration is an added advantage. Demonstrated leadership skills in guiding core technical teams and facilitating cross-functional coordination. Practical experience with tools such as BMC Remedy, ECRM, Netcool, and MRTG. Familiar with 5G network architecture and skilled in VoLTE. Solid understanding of RAN and core architecture within mobility networks. Deep knowledge of IPv6 and subnetting. Proficient in route summarization, segment routing, and EVPN. Extensive knowledge and hands-on experience with Cisco and Juniper products. In-depth expertise and practical application of routing protocols like BGP, OSPF, and ISIS, including addressing families such as BGP-LU. Skilled in segment routing, MPLS, ISP, RSVP-TE, and troubleshooting complex MP-BGP services. Knowledgeable about DNS architecture, with experience resolving service-level DNS issues preferred. Comprehensive understanding of ISP networks and the use of communities for managing ISP traffic in mobility networks. The rapid growth of 5G networks demands advanced technical expertise to ensure seamless service assurance. Below are the key responsibilities for this role: 1. Lead a team in troubleshooting CEN/MPLS/ISP/5G networks, ensuring compliance with KPIs. 2. Conduct technical discussions with vendors and ISP peering partners to perform root cause analysis (RCA) and optimize traffic. 3. Develop and mentor the team to enhance their technical and professional capabilities. 4. Maintain a focused approach to executing tasks following SOPs (Standard Operating Procedures) and MOPs (Method of Procedures). 5. Strategize and define configuration cases and roadmaps to address technical challenges in collaboration with the internal NOC team and planning/vendor partners (Cisco & Juniper). 6. Foster a digital mindset to efficiently address and resolve recurring transactions. 7. Build strong connections with circles/customers by sharing NOC best practices for managing 5G networks, addressing their concerns, and implementing actionable solutions.

Job Description: QA Automation Engineer (Python) Summary We are looking for a skilled QA Automation Engineer with expertise in Python-based test automation and a strong understanding of Object-Oriented Programming (OOP) concepts. The ideal candidate will have hands-on experience with test automation frameworks (Pytest, Robot, Behave) and a solid background in Linux environments. Knowledge of traffic generators (Ixia, Spirent) and Layer 2/Layer 3 protocols testing is a plus. This role requires a detail-oriented professional who can design, develop, and execute automated test suites to ensure software quality and reliability. Key Responsibilities Develop, maintain, and execute Python-based automated test scripts for functional, regression, and performance testing. Apply OOP concepts to build modular, reusable, and scalable test frameworks. Work with Pytest, Robot, or Behave to design and enhance test automation frameworks. Execute tests on Linux-based systems and troubleshoot environment-related issues. Collaborate with development teams to identify, report, and track defects. Integrate automated tests into CI/CD pipelines for continuous validation. Conduct Layer 2/Layer 3 protocols testing (e.g., Ethernet, VLAN, IP, TCP/UDP, routing protocols). Utilize traffic generators (Ixia, Spirent) for network performance and stress testing (preferred). Document test cases, results, and automation processes. Required Skills & Qualifications Proven experience in QA automation with a focus on Python-based test development. Strong knowledge of OOP concepts (Classes, Inheritance, Polymorphism, etc.). Hands-on experience with Pytest, Robot Framework, or Behave. Proficiency in working with Linux/Unix environments. Familiarity with networking protocols (Layer 2/Layer 3) and related testing methodologies. Analytical mindset with strong debugging and problem-solving skills. Experience with CI/CD tools (Jenkins, GitLab CI, etc.) is a plus. Nice to Have Exposure to traffic generators (Ixia, Spirent, etc.). Knowledge of REST API testing and Selenium for web automation. Understanding of containerization (Docker, Kubernetes).

Network Design and Architecture Proven experience with Cisco Catalyst, Nexus, and ASA/Firepower devices CCNA – Required. CCNP – Required. [Other relevant certifi cations such as Palo Alto PCNSA/PCNSE, Fortinet NSE, or Juniper JNCIA/JNCIP are a plus.]

We are looking for highly motivated and skilled fresh graduates in Computer Science or Electronics to join our core software development team. This role provides an excellent opportunity to build a strong foundation in systems programming, networking, and operating systems while working on cutting-edge technologies used in enterprise network infrastructure. Bachelors degree (4-year) in Computer Science, Electronics, or a related field. Minimum of 1 year of hands-on experience in system software development, preferably in embedded or networking domains. Expertise in C programming for embedded systems, with a solid grasp of coding best practices and performance optimization. Practical experience working with the Linux operating system, with a strong understanding of process /thread management, system services, and inter-process communication (IPC) techniques. Good foundational knowledge of networking concepts, including Layer 2/Layer 3 protocols and the TCP/IP stack. Experience in using debugging tools such as gdb for analyzing and resolving system-level issues.

Dear Candidate, We are hiring for our gurgaon location for Data center for cisco aci. Job Description: Data Center Network Engineer-CISCO ACI Location: Gurgaon Experience: 6+ Years Job Summary: We are seeking a skilled and experienced Data Center Network Engineer to join our dynamic team in Noida. The ideal candidate will possess a strong foundation in data center networking principles, coupled with hands-on expertise in Cisco Nexus platforms, routing and switching protocols, and modern overlay technologies. You will be involved in the design, deployment, and support of robust and scalable data center network solutions. A commitment to continuous learning and relevant certifications are highly valued. Responsibilities: Participate in the design and architecture of data center network solutions, considering factors such as scalability, performance, and high availability. Implement and configure data center network infrastructure based on design specifications, including Cisco Nexus switches (2K, 5K, 7K, 9K series). Configure and troubleshoot Layer 2 and Layer 3 networking protocols and technologies, including VPC, STP, HSRP, OSPF, EIGRP, and BGP. Implement and manage overlay technologies such as VXLAN, BGP EVPN, OTV, and LISP. Work with Cisco Software-Defined Networking (SDN) technologies, including Cisco ACI, Cisco Programmable Network Portfolio (Standalone VXLAN-Fabric), and DCNM. Contribute to the design and deployment of various data center solutions, ranging from traditional standalone Nexus architectures to advanced VXLAN Fabric-based ACI Fabric solutions utilizing ACI MultiPod and Multisite Fabric architectures. Participate in troubleshooting and resolving complex network issues within the data center environment. Maintain accurate and up-to-date network documentation. Stay current with industry best practices and emerging data center networking technologies. Collaborate effectively with other IT teams and stakeholders. Required Skills & Qualifications: Bachelor's degree in Science, Engineering, Technology (BS/BE/BTech) or equivalent qualification. Minimum of 6 years of hands-on experience in a similar Data Center Network Engineer role. Strong technical knowledge and practical understanding of Layer 2 and Layer 3 networking protocols and technologies, including VPC, STP, HSRP, OSPF, EIGRP, and BGP. Significant hands-on experience with Cisco Nexus platforms (2K, 5K, 7K, and 9K series) configuration and troubleshooting. Knowledge and understanding of overlay technologies such as VXLAN, BGP EVPN, OTV, and LISP. Familiarity with Cisco SDN based technologies, including Cisco ACI, Cisco Programmable Network Portfolio (Standalone VXLAN-Fabric), and DCNM. Experience in the design and/or deployment of Data Center solutions, including traditional standalone Nexus designs and VXLAN Fabric-based ACI Fabric solutions (ACI MultiPod / Multisite). Any relevant Data Center certifications such as CCNP, CCIE, VCP, etc., are considered a plus. A proactive drive for continuous learning and professional development in the data center networking domain.