Job description Senior Network Security Engineer L2/L3 Work Experience: 5-13 years Work Mode: On-Site Job Description for L2: We are looking for a skilled L2 Network Engineer to join our team. The ideal candidate will have a strong foundation in network fundamentals, with expertise in firewall management, routing protocols, and F5 load balancers. If you are detail-oriented, possess excellent troubleshooting skills, and thrive in a fast-paced environment, we encourage you to apply. Roles and Duties: Assist in the design, implementation, and maintenance of network infrastructure. Provide support for day-to-day network operations, including troubleshooting network issues and outages. Configure and maintain firewall devices to ensure network security and compliance with organizational policies. Monitor and analyze network performance, identifying areas for optimization and improvement. Collaborate with L3 Network Engineers and other IT teams to resolve escalated network issues. Assist in the installation and configuration of routers, switches, and other network devices. Participate in network documentation and update procedures. Conduct periodic security assessments and audits to ensure network integrity and compliance. Mandatory Skills: Proficiency in configuring and managing firewall devices (e.g., Cisco ASA, Palo Alto). Strong understanding of routing protocols such as OSPF, BGP, and EIGRP. Experience with F5 load balancers, including configuration and troubleshooting. Familiarity with network monitoring tools (e.g., Wireshark, SolarWinds). Excellent troubleshooting skills and attention to detail. Knowledge of network security best practices and protocols (e.g., VPN, ACLs). Good communication and collaboration abilities. Ability to work effectively in a team environment. Job Description for L3: We are seeking a highly skilled L3 Network Engineer to lead our network operations team. The ideal candidate will have extensive experience in network architecture, advanced firewall management, routing protocols, and F5 load balancers. If you are a strategic thinker with a proven track record of designing and implementing complex network solutions, we encourage you to apply. Roles and Duties: Design and implement scalable and resilient network architectures to meet business requirements. Lead troubleshooting efforts for complex network issues, including outages and performance degradation. Provide guidance and mentorship to L2 Network Engineers, assisting with escalated technical issues. Develop and maintain network documentation, including diagrams, configurations, and procedures. Evaluate new technologies and products to enhance network performance and security. Implement and maintain network security measures, including firewalls, VPNs, and intrusion detection/prevention systems. Configure and optimize F5 load balancers to ensure high availability and performance of applications. Collaborate with cross-functional teams to support project deployments and initiatives. Participate in on-call rotation for critical network support. Mandatory Skills: Extensive experience in designing and implementing network architectures. Advanced proficiency in firewall management, including rule configuration and policy enforcement. In-depth knowledge of routing protocols such as OSPF, BGP, and MPLS. Expertise in configuring and troubleshooting F5 load balancers, including LTM and GTM modules. Strong understanding of network security principles and practices. Excellent analytical and problem-solving skills. Effective communication and leadership abilities. Ability to work independently and collaborate effectively within a team. Relevant industry certifications such as CCNP, CCIE, or F5-CA.