F5 Engineer | HCLTech | Bangalore

HCL Technologies Limited; Bengaluru; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

HCLTech in Bangalore seeks an experienced F5 Engineer to design, deploy, configure, and troubleshoot F5 ADCs (LTM/GTM) for enterprise-scale traffic management.

You will own day-to-day operations, optimize load balancing, SSL offloading, and DNS workflows, and collaborate with network and security teams in Bangalore. 5–7 years of hands-on F5 experience and a BE/BTech in CS/IT or related field preferred.

Qualifications

• Bachelor’s degree in Computer Science, IT, Telecommunications, Electronics, or a related field.
• 5–7 years of enterprise networking and application delivery experience (Band: E2.2).
• Hands-on experience administering F5 LTM and GTM.
• Strong knowledge of load balancing, IP routing, DNS, and SSL/TLS termination.

Responsibilities

• Design, deploy, configure, and maintain F5 Local Traffic Manager (LTM) and Global Traffic Manager (GTM) platforms.
• Manage advanced load balancing algorithms, virtual servers, pools, node health monitors, and custom iRules.
• Configure global server load balancing (GSLB), wide IPs, and DNS resolution workflows across multi-datacenter environments.
• Investigate and resolve complex network routing, traffic delivery, SSL offloading, and performance bottlenecks.
• Ensure strict adherence to enterprise network security baselines, firewall policies, and traffic encryption standards.
• Collaborate closely with cross-functional network engineering, security, and application deployment teams in Bangalore.
• Monitor system health, analyze traffic telemetry, and optimize application delivery performance across client environments.
• Author and maintain comprehensive network documentation, runbooks, architecture diagrams, and change management logs.
• Act as a technical escalation point for Tier-2/Tier-3 F5 incidents and participate in rotational on-call support.

Skills

F5 LTM

F5 GTM

Load balancing

SSL offloading

DNS configuration

Education

Bachelor's degree in Computer Science / IT / Telecom / Electronics

Tools

F5 BIG-IP

AS3 / Declarative Interfaces

Job description

Position Summary

HCLTech is seeking an experienced, highly technical, and skilled F5 Engineer with 5 to 7 years of professional networking experience (Band: E2.2) to join our growing team in Bangalore. In this specialized network engineering role, you will spearhead designing, deploying, configuring, and troubleshooting F5 Application Delivery Controller (ADC) solutions, including F5 LTM (Local Traffic Manager) and GTM (Global Traffic Manager) environments. You will work closely with cross-functional network architecture squads, security engineers, and enterprise clients to guarantee high availability, optimal load balancing, and robust application delivery. Ideal candidates bring a strong academic foundation in computer science or telecommunications, deep practical expertise in F5 BIG-IP administration, and immediate availability for full-time employment in Bangalore.

Detailed Job Description

As an F5 Engineer at HCLTech in Bangalore, you will take full ownership of managing, optimizing, and securing enterprise traffic management infrastructures. Your day-to-day responsibilities encompass configuring virtual servers, pools, monitors, and iRules on F5 LTM, managing global DNS traffic routing and wide IP configurations on GTM, and troubleshooting complex load balancing and network security issues. You will participate actively in infrastructure upgrades, performance tuning, and capacity planning while collaborating with upstream and downstream IT teams. Working in a fast-paced corporate delivery environment, you will translate enterprise requirements into resilient load-balancing architectures, maintain meticulous technical documentation, and adhere strictly to ITIL operational standards and security compliance baselines.

Key Responsibilities

• Design, deploy, configure, and maintain F5 Local Traffic Manager (LTM) and Global Traffic Manager (GTM) platforms.
• Manage advanced load balancing algorithms, virtual servers, pools, node health monitors, and custom iRules.
• Configure global server load balancing (GSLB), wide IPs, and DNS resolution workflows across multi-datacenter environments.
• Investigate and resolve complex network routing, traffic delivery, SSL offloading, and performance bottlenecks.
• Ensure strict adherence to enterprise network security baselines, firewall policies, and traffic encryption standards.
• Collaborate closely with cross-functional network engineering, security, and application deployment teams in Bangalore.
• Monitor system health, analyze traffic telemetry, and optimize application delivery performance across client environments.
• Author and maintain comprehensive network documentation, runbooks, architecture diagrams, and change management logs.
• Act as a technical escalation point for Tier-2/Tier-3 F5 incidents and participate in rotational on-call support.

Required Qualifications & Skills

• Bachelor’s degree in Computer Science, Information Technology, Telecommunications, Electronics Engineering, or a related field.
• 5 to 7 years of professional IT experience specializing in enterprise networking and application delivery (Band: E2.2).
• Strong hands-on professional expertise in administering F5 LTM and GTM platforms.
• Deep technical knowledge of load balancing principles, IP routing, TCP/IP stack, SSL/TLS termination, and DNS.
• Proven experience troubleshooting complex network traffic flows, firewall rules, and application connectivity issues.
• Strong analytical, problem-solving, and cross-functional stakeholder communication skills.
• Professional availability for full-time employment in Bangalore, India.

Nice-to-Have Skills

• Professional vendor certifications such as F5 Certified BIG-IP Administrator (BIG-IP ASM/LTM) or F5 Certified Technology Specialist.
• Experience with advanced F5 modules such as Advanced WAF (Application Security Manager) and Access Policy Manager (APM).
• Familiarity with cloud-native load balancing and container networking architectures (AWS, Azure, Kubernetes ingress controllers).
• Automation scripting experience using Python, Ansible, or F5 BIG-IP Automation toolchains (AS3/Declarative Interfaces).
• Prior working experience in multinational IT services consultancies or enterprise network operations centers (NOC).

Application Information

• Recruiter: HCLTech Talent Acquisition Team
• Contact Name: Nandhini Subramani (Technical Recruiter)
• Email: [e-mail]
• Phone: Unspecified
• Application URL: Unspecified
• Salary/Rate: Competitive and commensurate with experience (Band: E2.2)
• Deadline: Open until filled
• Notice Period: Immediate to short notice preferred
• Contract Duration: Permanent / Full-Time (Bangalore)

Recruitment Pro Tip

When applying for senior F5 engineer roles at global IT service providers, ensure your resume explicitly details your hands-on experience with LTM iRules, GTM wide IPs, and SSL certificate management.