L3 Network Engineer

L3 Network Engineer - Job Description

Job Details

Location: Mumbai

Experience: 08–12 Years

Education: BE/BSc/MCA/MSc (Computer Science/IT or equivalent)

Certification: Cisco ACI – 300-620 (DC-ACI) – Mandatory

Primary Responsibilities

· Network Operations & Incident Management Handle escalations from L1 engineers and provide expert-level troubleshooting. Manage daily network operations, including incident reporting, review, and resolution within defined SLAs.

· Configuration & Troubleshooting Configure, monitor, and troubleshoot networking and security devices (switches, routers, firewalls, load balancers). Design, implement, and manage SDN solutions for medium to large-scale networks.

· Network Security & Compliance Establish and enforce network security policies. Monitor access and ensure compliance with internal and external security standards.

· Documentation Prepare High-Level Design (HLD) and Low-Level Design (LLD) documentation. Maintain updated network schematics, configuration templates, and SOPs.

· Vendor & Asset Management Coordinate with vendors for device support, maintenance, and upgrades. Manage inventory and ensure accurate asset documentation.

· Performance Reporting & Audits Conduct network equipment testing and maintain audit records. Ensure compliance with internal policies and regulatory standards.

· Customer Interaction & Problem Solving Understand customer requirements and provide effective, timely resolutions. Maintain professional communication and ensure customer satisfaction.

Additional Responsibilities

· Network Design & Architecture: Design scalable, reliable, and secure network architectures.

· Performance Optimization: Analyze network performance and implement improvements.

• · Security Management: Manage firewalls, VPNs, IDS/IPS within the SDN environment.

Policy Management: Develop and enforce QoS and traffic management policies.

· Collaboration & Leadership: Guide L1/L2 engineers and lead network-related projects.

· Vendor Coordination: Liaise with SDN vendors for support and implementation.

· Compliance & Audits: Maintain detailed documentation and support audit processes.

Technical Skills

· Hands-on experience with Cisco ACI – Certification 300-620 (DC-ACI) is mandatory.

· Strong understanding of SDN, network security, and enterprise networking.

· Experience with network monitoring and performance tools.

Soft Skills

· Self-driven and motivated to achieve success.

· Strong communication and interpersonal skills.

• · Team player with assertive communication style.