Lead F5 Engineer

Techy Geeks; Chennai District; On-site; INR 1,000,000 - 1,500,000; Full time

Job summary

Techy Geeks in Chennai, India is looking for a skilled professional to administer and maintain F5 BIG-IP platforms, ensuring optimal performance and security. The role demands hands-on experience with F5 technologies and involves troubleshooting and designing advanced web application security solutions.

The ideal candidate should possess a Bachelor’s Degree along with 6 years of experience in production environments, particularly in high-availability configurations and security policy management.

Qualifications

• 6 years of hands-on experience with F5 BIG-IP in production environments.
• Strong understanding of F5 ASM / Advanced WAF security policies.
• Experience troubleshooting application and network-layer issues.

Responsibilities

• Administer and maintain F5 BIG-IP platforms including LTM, ASM, and APM.
• Design and support load balancing and high-availability configurations.
• Provide Tier 2/3 operational support as needed.

Skills

F5 BIG-IP

LTM

ASM / Advanced WAF

APM

Linux fundamentals

TCP/IP

SSL/TLS

Education

Bachelor's Level Degree

Tools

F5 Distributed Cloud

iRules

Job description

Job Description/Preferred Qualifications

• Administer, operate, and maintain F5 BIG-IP platforms including LTM, ASM/Advanced WAF, APM, and DNS/GTM.
• Design and support load balancing, SSL offload, traffic steering, persistence, and high-availability (HA) configurations.
• Perform system upgrades, patching, backups, and routine health checks.
• Monitor performance, availability, and capacity to ensure SLA compliance.
• Operate and manage F5 Distributed Cloud (XC Cloud) services including application delivery, global load balancing, and web application & API protection.
• Integrate F5 XC Cloud with on-prem BIG-IP environments in hybrid and multi-cloud designs.
• Troubleshoot application connectivity, latency, and security incidents across distributed environments.
• Configure and tune Web Application Firewall (ASM / Advanced WAF) security policies.
• Support access and authentication integrations such as SSO, LDAP, Oauth2, Active Directory, RADIUS, and SAML.
• Develop and maintain iRules to meet application traffic requirements.
• iRuleLX knowledge is considered advanced and optional, used only for complex integrations.
• Provide Tier 2/3 operational support and participate in on-call or escalation rotations as required.
• Maintain technical documentation, configurations, and operational procedures.

Required Qualifications

• 6 years of hands-on experience with F5 BIG-IP in production environments.
• Strong experience with LTM (mandatory), ASM/Advanced WAF, APM, and DNS/GTM.
• LTM (mandatory).
• ASM / Advanced WAF.
• APM.
• DNS/GTM (mandatory).
• Strong understanding of F5 ASM / Advanced WAF concepts, including security policy creation and tuning, positive and negative security models, signature management, false-positive reduction, attack mitigation (OWASP Top 10), and analysis of security logs and violation reports in production environments.
• Practical experience with F5 Distributed Cloud (XC Cloud) or strong ability to ramp up quickly.
• Solid understanding of TCP/IP, OSI model, HTTP/HTTPS, and SSL/TLS certificates.
• Experience troubleshooting application and network-layer issues.
• Familiarity with Linux system fundamentals.
• Experience creating and troubleshooting iRules.

Preferred Qualifications

• Experience in hybrid or multi-cloud environments (AWS, Azure, GCP).
• Knowledge of API security and modern application architectures.
• Exposure to Zero Trust or edge security concepts.

Preferred Certification

• F5 Certified Administrator (CA).
• F5 Certified Technology Specialist (CTS - LTM or Security).
• Cloud or security certifications are an advantage.

Experience Level

• Mid-Level: Independent operational ownership of F5 platforms.
• Senior: Architecture input, mentoring, and cross-domain technical leadership.

Minimum Qualifications

• Related work experience of 5 years; Bachelor's Level Degree and related work experience of 5 years.
• Must have working experience in a Enterprise work environment.

(ref:hirist.tech)