Insight is seeking an experienced Network Security and Infrastructure Engineer/Architect to design, implement, and manage enterprise-grade network security and infrastructure solutions. This role focuses on Cisco Catalyst & Meraki Switches. Meraki dashboard and security appliances and core network infrastructure with expertise in routing, switching, and advanced network protocols.

The ideal candidate will drive network modernization initiatives and deliver high-availability, secure solutions that support business-critical operations.

Key Responsibilities

- Provide Level 3 technical support for enterprise, data center, and manufacturing network environments, ensuring high availability and rapid resolution of complex network issues.
- Deploy, configure, troubleshoot, and maintain Cisco Catalyst 9300/9500 switches and Cisco 8200/8300 series routers across campus, branch, and data center networks.
- Administer and support Cisco Meraki MX security appliances, switches, and cloud-managed networking solutions, including dashboard configuration, monitoring, policy management, and troubleshooting.
- Perform advanced troubleshooting and operational support for VXLAN/EVPN, BGP, OSPF, EIGRP, route redistribution, HSRP/VRRP, and Layer 2/Layer 3 network services.
- Lead major incident resolution, problem management, and root cause analysis (RCA) activities for production outages, performance degradation, and network instability.
- Support network migrations, hardware refreshes, software upgrades, and implementation activities while ensuring adherence to change management and operational procedures.
- Troubleshoot and validate fiber optic connectivity, including Single Mode Fiber (SMF), Multi-Mode Fiber (MMF), patch panels, transceivers, and optics such as 10G-SR, 10G-LR, 40G/100G QSFP, and related cabling infrastructure.
- Perform network health assessments, traffic analysis, packet captures, and performance tuning to proactively identify risks and improve service reliability.
- Develop and maintain network documentation including rack elevations,



cable matrices, connection diagrams, port mapping, low-level designs (LLD), implementation plans, cut sheets, and as-built documentation.
- Collaborate with cross-functional teams, vendors, and customer stakeholders to support network projects, escalations, capacity planning, and lifecycle management initiatives.
- Ensure compliance with operational standards, security policies, and documentation requirements while providing technical guidance and mentoring to junior engineers.

Required Qualifications

Technical Skills

- Cisco Catalyst 9000-Series (9500/9300) Switches, 8200/8300-Series routers
- Meraki switches, and security appliance
- Meraki dashboard configuration and troubleshooting
- Provide L3 support for enterprise, data center, and manufacturing network environments
- Manage advanced routing protocols including VXLAN/EVPN, BGP, OSPF, EIGRP, and route redistribution
- Perform root cause analysis, problem management, and major incident resolution for network outages.
- Aware and hands-on experience of fiber cabling, SMF/MMF and different types of optics 10G-SR/LR, QSFP-100G etc.
- Document rack elevations, connection matrix/cutsheet and deliverables

Valuable to have

- Cisco Software-Defined Access (SD-Access) Fabric Design and Implementation
- Cisco DNA/Catalyst Center
- Meraki wireless
- Palo Alto Firewall
- Design, deploy, and support SD-WAN solutions including Cisco SD-WAN (Viptela)
- Administer Palo Alto Strata Next-Generation Firewalls, Panorama, GlobalProtect, NAT, and security policies.
- Develop network automation using DNA/CatC RestAPI calls, Ansible, Python, and infrastructure-as-code practices.
- Support Operational Technology (OT) networks, including manufacturing, SCADA, PLC, and industrial systems.

Certification must have

- Cisco CCNA/CCNP

Certification good to have

Cisco CCIE /Meraki CMNA / Palo Alto ACE/PCNSE/PCNSA

Work Mode: Hybrid

Location: Bangalore; Delhi NCR ; Hyderabad; Pune; Gurugram

Shift: 6PM IST

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📌 Engineer III (Cisco & Meraki Switch Network Engineer) (Gurugram)
🏢 Insight
📍 Gurugram