Senior Support Lead
Australia
Job Description
Senior Support Lead
Sydney, New South Wales

Job Summary

Lead the technical design, implementation, and delivery of network infrastructure solutions for strategic projects and enterprise initiatives, ensuring alignment with business, operational, and security requirements. Produce and maintain high-quality network architecture, high-level design (HLD), low-level design (LLD), implementation, and operational support documentation. Provide technical leadership and governance across Cisco networking, firewalls, F5, and related infrastructure platforms, ensuring solutions are resilient, secure, scalable, and operationally supportable. Lead network security hardening, vulnerability remediation, and compliance activities in line with organisational security and risk requirements. Develop and maintain network technology standards, procedures, operational runbooks, and best-practice documentation. Act as a senior technical escalation point for complex network incidents, major problem investigations, root cause analysis, and remediation activities. Deliver network lifecycle management, technology refresh, capacity planning, upgrade, and optimisation initiatives. Provide technical oversight and quality assurance across solution design, implementation, testing, and operational readiness activities. Evaluate and contribute to proof-of-concept activities for emerging technologies such as SD-WAN, ACI, NSX, and Software Defined Access (SDA), providing technical recommendations and roadmaps. Support

Key Responsibilities

1. To act as a point of escalation for complex and high-priority customer issues, ensuring timely resolution.
2. To create the root cause analysis for critical issues and put in place necessary preventive measures to reduce future defects.
3. To collaborate closely with product management, development, and QA teams to provide feedback on product improvements, influence product design, and ensure alignment with customer needs.
4. To provide technical assistance to the team members in resolving customer issues.
5. To drive continuous improvement initiatives for support processes, workflows and Identify opportunities for innovation, automation, and efficiency enhancements.

Skill Requirements

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Other Requirements

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Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 227,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending March 2026 totaled $14.7 billion.