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Sr Technical Lead (Support & Operations)

HCLTech -
Noida, Uttar Pradesh

Apply Now

Job details

10 days ago

Qualifications

Cisco ISE
Knowledge management
Data centre experience
Azure
Ansible
Load balancing
OSPF
LAN
Configuration management
DHCP
AWS
Analysis skills
SSL
ITIL
Risk management
BGP
Computer networking
DNS
MPLS
Network monitoring
Cisco ASA
Communication skills
High availability
Network security
VPN

Full job description

Noida, Uttar Pradesh
Job Summary

The Network Security Engineer (Level 2) provides operational support and advanced troubleshooting for enterprise network and network security environments. The role is responsible for maintaining network availability, security, stability, and performance across Campus, Branch, WAN, Data Center, Cloud, and Security infrastructures.

The engineer acts as the primary escalation point from Level 1 support, handling complex incidents, security events, service requests, and change implementations while collaborating with Level 3 SMEs, OEMs, ISPs, cloud providers, and security teams. The role also contributes to continuous service improvement, compliance adherence, automation initiatives, and operational excellence.

Key Responsibilities

Provide Level 2 support for enterprise network and security operations across LAN, WAN, WLAN, Data Center, Cloud, and Security environments.

Act as the escalation point for incidents and service requests unresolved by Level 1 teams.

Troubleshoot network connectivity, routing, switching, and security-related issues and coordinate escalation to Level 3 when required.

Monitor network and security infrastructure to ensure service availability, reliability, and performance.

Support Cisco ACI fabric operations, including health monitoring, fault analysis, EPG validation, and routine operational activities.

Manage and troubleshoot routing and switching technologies including VLANs, VRFs, OSPF, BGP, and QoS under defined operational procedures

Skill Requirements

Technical Skills

Enterprise Routing & Switching: Strong knowledge of Cisco Nexus, Cisco Catalyst, Routing & Switching, VLANs, VRFs, BGP, OSPF, QoS, and network segmentation.

Data Center Networking: Experience supporting Cisco ACI fabric environments, including fabric health monitoring, EPG validation, fault analysis, leaf switch troubleshooting, and operational support.

Network Security Platforms: Hands-on experience with Palo Alto, Check Point, Cisco FTD/ASA, Fortinet, and Azure Firewall technologies including policy administration and troubleshooting.

Secure Access & Identity Services: Knowledge of Cisco ISE, VPN technologies, NAC solutions, secure remote access, MFA integrations, and policy-based access controls.

Web Security & SSE Technologies: Experience supporting Zscaler (ZIA/ZPA), Bluecoat Proxy, Secure Web Gateway (SWG), and enterprise internet security solutions.

WAN & Connectivity Solutions: Support and troubleshooting of WAN, MPLS, SD-WAN, Internet, VPN, and hybrid connectivity environments.

Application Delivery & Load Balancing: Working knowledge of F5 BIG-IP LTM, GTM, SSL certificate management, VIP and pool administration, high availability, and failover validation.

DDI Services: Experience managing Infoblox/BloxOne platforms, DNS, DHCP, and IP Address Management (IPAM).

Cloud Networking: Hands-on support for AWS networking services including VPCs, Route Tables, Transit Gateway, Direct Connect, VPNs, Security Groups, and NACLs.

Network Monitoring & Observability: Experience with Datadog, Grafana, BMC Helix, and enterprise monitoring platforms for proactive fault detection, alert management, and performance monitoring.

Automation & Infrastructure Operations: Knowledge of Ansible Automation Platform, network automation concepts, configuration management, scripting fundamentals, and self-healing workflows.

ITSM, Compliance & Governance: Understanding of ITIL processes including Incident, Problem, Change, and Release Management, along with audit, compliance, governance, and risk management requirements.

Soft Skills

Strong troubleshooting and analytical skills.

Ability to diagnose and resolve complex operational issues.

Effective verbal and written communication skills.

Strong customer and stakeholder management capabilities.

Ability to perform under pressure in production environments.

Good collaboration and teamwork skills.

Vendor and OEM coordination experience.

Strong documentation and knowledge management discipline.

Continuous learning mindset and willingness to adopt new technologies.

Attention to detail and commitment to operational excellence.

Proactive approach to service improvement and automation opportunities.

Ability to prioritize tasks and manage multiple operational activities.

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security center operations sr. jobs in up

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