Senior Network Security Lead

About HCLTech

HCLTech is a leading global technology company renowned for delivering cutting-edge solutions and transformative services across various industries. With a presence in over 50 countries and a workforce of more than 220,000 professionals, HCLTech is committed to driving innovation, customer-centricity, and sustainable growth. The company’s core values emphasize integrity, collaboration, and an unwavering dedication to excellence, making it a trusted partner for Fortune 500 organizations worldwide.

Key Responsibilities

Technical Leadership

• Lead L3-level network operations, escalations, and advanced troubleshooting.
• Support the design, deployment, and optimization of enterprise network architectures.
• Drive network modernization initiatives aligned with business and security objectives.

Core Technical Skills

• Cisco Routing & Switching: Advanced routing protocols (BGP, OSPF, EIGRP), VLANs, STP, HSRP/VRRP, QoS, WAN optimization.
• Cisco DNA Center (DNAC): Assurance, automation workflows, templates, configuration management.
• Cisco Wireless: Controller-based wireless solutions, AP provisioning, RF optimization, wireless security.

Preferred Skills

• Experience with Cisco ISE (Identity Services Engine) for NAC, authentication policies, posture, guest access workflows.
• Cisco ACI: Fabric configuration, policy modelling, tenant creation, contracts, integration & troubleshooting.

Operational Responsibilities

• Perform L3 support for critical incidents and root cause analysis.
• Define network standards, SOPs, and high‑level & low‑level designs (HLD/LLD).
• Collaborate with cross-functional teams (security, cloud, infra, apps).
• Monitor network performance and drive continuous optimization.
• Manage vendor coordination, upgrades, and tech refresh initiatives.

Certifications (Preferred)

• Cisco CCNA
• Cisco CCIE Routing & Switching (Lab preferred)

Soft Skills

• Strong analytical and problem-solving capabilities.
• Ability to lead teams and mentor L1/L2 engineers.
• Excellent communication, documentation, and stakeholder management skills