Network Security Engineer L2

About Position:A Level 2 Network/Security Engineer is typically responsible for maintaining and securing network infrastructure, handling escalated issues from Level 1, and implementing security measures. This role requires intermediate technical expertise and the ability to collaborate with cross-functional teams .Role: Network Security Engineer L2 Location: Bangalore Experience: 5 to 7 Years Job Type: Full Time EmploymentWhat You'll Do:Troubleshoot and resolve more complex network issues escalated from L1: routing, switching, connectivity, firewall, VPN, load balancers, etc Network Voice Administration and Troubleshooting (Cisco, Genesys platform and Teams) Configure and maintain enterprise network infrastructure: routers, switches, firewalls, VPNs, LAN/WAN components; implement changes, patches, upgrades. Monitor network and security devices; analyze logs/alerts; manage network security (firewall rules, VPN configurations, IDS/IPS where applicable). Implement remediation to all identified vulnerabilities across infrastructure components Perform root cause analysis for recurring or complex issues; identify and propose improvements to avoid future incidents. Maintain documentation of configurations, changes, incidents, network diagrams, and support activities. Collaborate with other IT teams (security, server/cloud, support) and possibly vendors for hardware/software fixes or upgrades. assist in planning and executing medium-level changes or network enhancements (e.g. capacity upgrades, new VPN deployments, additional security configurations).Expertise You'll Bring:Certifications like CCNA / CCNP, or security-related certifications; familiarity with enterprise firewall/VPN tools (e.g. Fortinet, Cisco, etc.). Familiarity with cloud platforms (AWS, Azure, Google Cloud) Strong knowledge of networking protocols (BGP / OSPF / MPLS / VPN / LAN-WAN) and security fundamentals (firewalls, VPNs,IDS/IPS , secure remote access). Good diagnostic, analytical skills, ability to use network-monitoring and protocol-analysis tools (Wireshark, tcpdump, SIEM/log tools). Good documentation and team-communication skills; possibly shift/work flexible hours depending on business needs.Benefits:Competitive salary and benefits package Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications Opportunity to work with cutting-edge technologies Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards Annual health check-ups Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parentsValues-Driven, People-Centric & Inclusive Work Environment:Persistent Ltd. is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.We support hybrid work and flexible hours to fit diverse lifestyles. Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities. If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employmentLet’s unleash your full potential at Persistent -persistent.com/careers“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”