Network Support L2 NOC Admin

Title: Network Support L2 NOC Admin

Location: Bangalore, Hyderabad, Chennai

Exp: 4-9 Yrs

Job Description

Key Responsibilities

Advanced Troubleshooting & Incident Management

• Execute site-by-site network discovery activities across LAN, WAN, wireless, and data center environments, including hands-on data collection at Tier 1 hospital locations and remote assessment support for Tier 2 and Tier 3 sites.
• Team Lead: act as a Team lead for the project to manage and handle the project. responsible for Team handling leading project, L3 trouble shooting, Project lead, reporting
• Operate discovery tools — Device42, and SolarWinds — to collect configuration item data, generate topology datasets, and populate standardized inventories under the direction of the Senior Engineer.
• Extract and validate network configuration data, IP addressing, VLAN mappings, routing tables, and switch/router hardware and software versions.
• Support the perimeter security review by pulling firewall configurations, running rule audits, and documenting findings across Fortinet FortiGate and Palo Alto Networks estates.
• Contribute to data center switch inventory activities across Cisco Nexus and Arista fabrics — rack cabling documentation, port assignments, uplink/downlink mapping, and version reviews.
• Support hardware lifecycle, software and firmware currency, and end-of-life/end-of-support risk cataloguing using automated inventory extracts.
• Contribute to the site coverage tracker, risk register, and weekly deliverable packages.
• Serve as an L2/L3 network engineer within the NOC Managed Services model, handling second-line incident response and complex event triage.
• Execute standard network change management activities — VLAN additions, firewall rule adds/changes, switch port configurations, SD-WAN template applications, and routine site refresh activities — following standardized templates developed during the assessment.
• Support code upgrade and patch cycles across switches, routers, and network devices under Senior Engineer direction.
• Support hardware refresh and lifecycle activities including racking, cabling, initial configuration, and cutover coordination.
• Respond to monitoring alerts, perform initial diagnosis, resolve within L2 scope, or escalate to Senior Engineer when out of scope.
• Contribute to ServiceNow ITSM workflows — incident, change, problem, and CMDB updates.
• Support weekly status reporting, ticket closures, and change execution reporting to the SDM.

Network Design & Architecture

• Contribute to and review HLD/LLD for new sites, migrations, segmentation initiatives, and firewall architectures.
• Validate designs for scalability, security, and adherence to enterprise standards.
• Recommend improvements across routing, switching, wireless, and security domains.

Firewall & Network Security

• Manage and optimize Fortinet FortiGate environments, including policies, NAT, UTM profiles, VPNs, routing, and HA.
• Audit firewall rules to ensure least-privilege access and compliance.
• Support segmentation, hardening, and compliance initiatives.

Network Optimization & Reliability

• Perform capacity planning, traffic analysis, and performance tuning.
• Monitor network health and proactively address chronic or systemic issues.
• Implement long-term preventive and resiliency measures.

Automation & Tooling

• Develop and maintain automation scripts (Python, Bash, EEM) to streamline operations.
• Automate configuration backups, compliance checks, and monitoring integrations.

Change Management & Migrations

• Lead major network changes, upgrades, firewall migrations, and routing redesigns.
• Prepare RFCs, rollback plans, risk assessments, and post-change reports.
• Coordinate with application, infrastructure, security, and ISP teams.

Vendor & ISP Management

• Work with ISPs and OEMs (Cisco, Fortinet) on escalations, TAC cases, and hardware issues.
• Validate circuit performance and support last-mile troubleshooting.

Documentation & Knowledge Sharing

• Maintain network diagrams, SOPs, configuration standards, and runbooks.
• Improve L1/L2 documentation and operational processes.

Mentorship & Leadership

• Mentor L1/L2 engineers and promote best practices in troubleshooting and operations.
• Contribute to training plans, standards, and continuous improvement initiatives.

Required Technical Skills

• Extensive hands-on experience with Cisco IOS/XE and NX-OS.
• Strong expertise in routing (OSPF, BGP), switching (VLANs, STP, EtherChannel).
• Strong experience with Fortinet FortiGate (FortiOS) and Meraki wireless.
• Strong expertise on NOC operations.
• Experience with SD-WAN, VXLAN, Cisco DNaC and Cisco Client.
• Solid understanding of network security, VPNs, QoS, and segmentation.
• Experience with NMS/SNMP monitoring, Syslog, and packet capture tools.
• Working knowledge of automation and scripting (Python, Bash, EEM).

Nice to Have

• Aruba Wireless
• Extreme Networks
• Juniper Networks
• Cisco Network
• Fortinet
• Palo Alto
• Familiarity with healthcare-specific considerations — medical device (IoMT) network posture, HL7/FHIR connectivity concepts, EMR/EHR network dependencies
• Prior experience in a Managed Services Provider (MSP) or NOC-driven service delivery model
• Familiarity with Microsoft Entra hybrid connectivity patterns and vendor-hosted application connectivity.

Experience & Certifications

• 4 to 9 years of networking experience, including 4+ years in L3 or senior escalation roles.
• CCNA or equivalent hands-on experience (required).
• CCNP Enterprise (strongly preferred).
• Fortinet NSE 4 or higher (preferred).
• ITIL v4 Foundation (optional).

Behavioral Competencies

• Strong analytical and structured troubleshooting approach.
• Excellent communication during high-severity incidents.
• Proactive, detail-oriented, and automation-focused.
• Strong collaboration and mentoring mindset.