7 Layer 3 Jobs

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.

Role & responsibilities We are looking for a highly skilled Datacom Developer with expertise in Layer 2 and Layer 3 networking protocols, GPON , XGSPON , PON technologies, and strong programming experience in C . This role requires hands-on experience in managing and developing network solutions, working with complex networking protocols, and developing software solutions for networking devices, particularly in the broadband and telecommunications industry. Knowledge of Linux and OpenWrt as well as network management protocols like TR069 and SNMPv2 will be essential. As a Datacom Developer, you will be responsible for designing, implementing, and optimizing software solutions for networking hardware and systems, working in close collaboration with cross-functional teams to ensure network performance, scalability, and reliability. Layer 2/Layer 3 Networking : Develop and implement solutions for Ethernet , VLANs , L2 QoS , rate limiting, packet scheduling algorithms, IGMP snooping , Q-in-Q , VLAN manipulation , and PCP rewrite . Work with IPv4 , IPv6 , TCP/UDP , NAT , Firewall (iptables) , DHCPv4/v6 , Port forwarding , Source-based routing , and Policy-based routing . Design and implement L3 QoS , IGMP proxy , IPv6 MLD snooping , DNS , and DNS proxy configurations for network devices. Develop tools and systems for optimizing and troubleshooting Layer 2/Layer 3 network performance. PON Technologies : Work with GPON , XGSPON , and PON technologies to develop software solutions and optimize network operations. Implement and maintain OMCI (ONT Management and Control Interface) for Optical Network Terminal management. Troubleshoot and resolve issues in PON networks to ensure high performance and reliability. Network Management : Implement TR069 and SNMPv2 for network device management, performance monitoring, and automation. Develop scripts and tools to automate network configuration and monitoring tasks via CLI . Monitor and optimize the performance of network devices, troubleshoot issues, and perform root cause analysis. Programming and System Development : Utilize C programming to develop software for networking devices, including custom firmware development and optimization. Collaborate with hardware teams to integrate network features and solutions into embedded systems. Testing and Debugging : Perform in-depth testing of networking protocols, configurations, and software solutions to ensure functionality and performance. Use tools like Wireshark for packet analysis and debugging network-related issues. Collaboration and Documentation : Collaborate with cross-functional teams to design and deliver solutions that meet business requirements. Provide documentation for software solutions, network configurations, troubleshooting steps, and system optimizations. VoIP (Bonus Knowledge) : If applicable, work with VoIP protocols and configurations, ensuring optimal performance of voice traffic over IP networks. Preferred candidate profile Bachelors Degree in Computer Science, Telecommunications, Electrical Engineering, or a related field. Proven experience with Layer 2 (L2) and Layer 3 (L3) networking protocols, including Ethernet , VLANs , IPv4/IPv6 , NAT , TCP/UDP , DHCPv4/v6 , Port forwarding , and Policy-based routing . Hands-on experience with PON (Passive Optical Networks) technologies, including GPON , XGSPON , and OMCI . Expertise in network management using TR069 , SNMPv2 , and CLI-based configurations . Strong programming skills in C , especially for developing and optimizing networking software. Familiarity with Linux and OpenWrt operating systems. Strong knowledge of L2/L3 QoS , IGMP snooping , IPv6 MLD snooping , and DNS/DNS proxy configurations. Ability to troubleshoot and debug networking devices, protocols, and systems. Experience in performance testing and monitoring of network devices and protocols. Knowledge of VoIP and related protocols, with the ability to manage and optimize voice traffic over IP networks. Familiarity with wireless networks , SDN , or NFV (Network Function Virtualization) principles. Experience with multicast protocols like IGMP proxy and MLD snooping . Familiarity with IPv6 prefix delegation and advanced NAT concepts. Experience with performance analysis tools such as Wireshark or similar packet analyzers. Knowledge of cloud-based networking and distributed systems . About the company : GX Group is a European market leader in Fiber-to-the-Home (FTTH) products, with over 20 years of experience in the manufacturing and development of cutting-edge FTTH solutions. Known for our unwavering commitment to quality and innovation , we invest heavily in research and development (R&D) to create next-generation FTTH products that meet the evolving needs of the telecommunications industry. In 2012, we strengthened our position in the market by acquiring the former Ericsson FTTH end-user equipment , allowing us to further enhance our product portfolio and capabilities. This acquisition solidified our standing as a leader in providing advanced solutions for broadband networks globally. GX India Pvt. Ltd. (GIPL) was established as part of our strategic vision to expand our footprint and contribute to the growth of the telecom sector in one of the worlds fastest-growing economies. At GIPL , we focus on providing open access broadband through reliable and future-proof Customer Premises Equipment (CPEs) that help telecom operators revolutionize the cost-base of their networks . By leveraging state-of-the-art technology, we help network operators create robust, scalable, and sustainable fiber networks. As a trusted partner to network operators worldwide , we are proud to contribute to the rapid development of fiber-based broadband infrastructure and to be an integral part of the global push toward greater connectivity . GX India is committed to providing solutions that not only drive efficiency and performance but also support the digital transformation of emerging economies. Our commitment to excellence has positioned GIPL as a strong and reliable supplier in the telecommunications sector , delivering the highest-quality products and services to meet the needs of our customers and end-users alike.

Role & responsibilities (5 days work from office) Experience in testing L2/L3 protocols, GPON ONT and OLT Systems. Strong System test planning, execution and testing experience in validating PON ONT and OLT Systems. Strong technology focus and experience in networking technology areas that include PON, WLAN, Ethernet, Bridging and Routing. Good understanding in requirements of products and features. Strong understanding of test methodologies Strong technical abilities and comfort working with various software programs Should have strong troubleshooting and Problem-solving skills Written and verbal communication skills to successfully share their testing results. Ability to work well as part of a software development team Familiarity with testing processes, including creating a test plan and opening bugs Ability to handle fast-paced environments with tight deadlines Key Responsibilities:- Ability to write test plans based on the design documents and RFC standard. Develop and execute test plans, test cases and test scripts. Work closely with Dev team to understand the requirements for preparing the test plans and test execution. Perform various testing types - Integration, System, Functional, Acceptance and Regression testing etc. Develop and maintain QA artifacts, Analyze results and Log defects in Test Management tool like JIRA/Bugzilla/Redmine. Provide detailed report on the execution status and defects to the reporting Head. Good communication, analytical and problem solving skills to help support the development process. Ensure that project deliverables are met according to the specifications. Hands-on experience with debugging and traffic generator tools like wireshark, Veriwave, Spirent and IXIA. Perks and benefits 1. Medical Facility 2. Meal voucher 3. Lunch Facility 4. Fixed CTC structure

Job Description 1. Excellent knowledge in L2 (vlan, lag), L3(ospf, bgp), VxLAN, EVPN (All mandatory protocols) 2. Python programming/coding, PyATS framework / Robot / Pytest. Ability to design Python scripts from scratch related to networking protocols and features 3. Experience with Cisco (mandatory), platforms (Router and Switches), knowledge in NxOS, IOS-XE preferred 4. Working knowledge in using traffic generator tools - Spirent, IXIA, Trex 5. Good communication, strong Debugging and troubleshooting abilities 6. Test Bed creation, Debugging & troubleshooting (mandatory), test documentation preparation 7. Aware of Jira / similar tools for TMS, defect tracking and test automation