Subject Matter Expert (Support&Ops)

Job description

HCLTech is looking for an accomplished Load Balancer Expert for its Noida location. This is a critical technology role responsible for engineering, operational stability, security, service resilience and continuous improvement across a complex enterprise environment. The role requires deep hands-on expertise, disciplined change execution, strong troubleshooting capability and effective collaboration with infrastructure, application, security, service-management and vendor teams. Key Responsibilities Engineer F5 BIG-IP LTM/DNS (GTM), NGINX, HAProxy and cloud load-balancing services; configure VIPs, pools, nodes, health monitors, profiles, persistence, SNAT/NAT and SSL/TLS offload. Design Layer 4/Layer 7 traffic management, reverse proxy, content switching, redirects, header manipulation, HTTP/2, certificates, cipher standards, iRules/policies, DNS/GSLB and multi-site failover. Troubleshoot packet flow, resets, latency, SSL handshakes, health checks, persistence, routing, asymmetric traffic and application dependencies using logs, tcpdump/Wireshark and platform analytics. Implement HA, clustering, upgrades, patching, backup/restore, capacity planning, monitoring, RBAC, change control and automation through APIs, Ansible or Terraform. Skill Requirements Technical Profile – Load Balancer Expert Core technical skills: • Engineer F5 BIG-IP LTM/DNS (GTM), NGINX, HAProxy and cloud load-balancing services; configure VIPs, pools, nodes, health monitors, profiles, persistence, SNAT/NAT and SSL/TLS offload. • Design Layer 4/Layer 7 traffic management, reverse proxy, content switching, redirects, header manipulation, HTTP/2, certificates, cipher standards, iRules/policies, DNS/GSLB and multi-site failover. • Troubleshoot packet flow, resets, latency, SSL handshakes, health checks, persistence, routing, asymmetric traffic and application dependencies using logs, tcpdump/Wireshark and platform analytics. • Implement HA, clustering, upgrades, patching, backup/restore, capacity planning, monitoring, RBAC, change control and automation through APIs, Ansible or Terraform. Other Requirements DETAILED ROLE ACCOUNTABILITIES Design, deploy and support highly available application-delivery solutions using F5 BIG-IP, NGINX, HAProxy and applicable cloud load balancers. Create and optimize VIPs, pools, profiles, monitors, persistence, SNAT/NAT, SSL offload, content switching, redirects and traffic policies. Troubleshoot end-to-end Layer 4/Layer 7 flows, TLS handshakes, resets, latency, routing asymmetry, health checks and application dependencies. Plan upgrades, certificate renewals, platform lifecycle, backup/recovery, capacity and high-availability testing. Automate standard provisioning, validation and reporting through APIs, Ansible or Terraform. DESIRED CERTIFICATIONS (GOOD TO HAVE) F5 Certified BIG-IP Administrator F5 Certified Technology Specialist - Local Traffic Manager NGINX certification/training AWS Certified Advanced Networking - Specialty or Microsoft Certified: Azure Network Engineer Associate ITIL 4 Foundation. PROFICIENCY EXPECTATIONS Competent (L3): Independently deploy standard virtual servers and policies, resolve common incidents, execute approved changes, maintain documentation and meet operational SLAs. Proficient (L4): Own architecture and complex troubleshooting, lead migrations/upgrades and major incidents, optimize security/performance, define standards and mentor L3 engineers. CANDIDATE PROFILE Strong hands-on experience in the stated technology domain and enterprise operations environment. Ability to independently troubleshoot complex issues, document solutions and collaborate with cross-functional stakeholders. Strong communication, change management, incident management and problem-solving skills. Willingness to work from the Noida location and support operational requirements as applicable. REQUIRED EXPERIENCE AND CAPABILITIES Bachelor’s degree in Computer Science, Information Technology, Engineering or a related discipline, or equivalent relevant experience. Demonstrated hands-on experience supporting business-critical enterprise environments and handling complex incidents and changes. Working knowledge of ITIL-aligned incident, problem, change, request and knowledge-management processes. Ability to create HLD/LLD, implementation plans, rollback plans, SOPs, runbooks, RCA documents and operational reports. Strong stakeholder communication, ownership, analytical thinking and collaboration across application, infrastructure, security and vendor teams. Ability to participate in operational support, planned changes and major-incident activities according to business requirements. KEY DELIVERABLES Stable, secure and supportable technology services with improved availability, performance and operational readiness. Timely resolution of complex incidents, complete root-cause analysis and closure of preventive actions. High-quality technical designs, implementation evidence, knowledge articles and support documentation. Controlled delivery of upgrades, migrations, standardization, automation and service-improvement initiatives. Clear technical communication with stakeholders, service owners, partner teams and technology vendors. SELECTION FOCUS Depth of hands-on technical knowledge and ability to explain design and troubleshooting decisions. Experience with enterprise-scale operations, critical incidents, controlled changes and service restoration. Quality of documentation, automation mindset, security awareness and approach to continuous improvement. Communication, ownership and ability to work eff Apply now 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 223,000 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 June 2026 totaled $14.8 billion. Disclaimer Privacy Statement Terms of use Sitemap Raise a Grievance We use cookies on our site. Please read more about cookies policy here. Opens in a new tab. Opens in a new tab. Opens in a new tab. Opens in a new tab. Opens in a new tab. Opens in a new tab. Copyright © 2026 HCL Technologies Limited Cookie Consent Manager When you visit any website, it may store or retrieve information on your browser, mostly in the form of cookies. 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