Senior ADC Migration Engineer Larsen & Toubro Infotech Ltd LTI

Contractor

Job Summary

The Senior ADC Migration Engineer will be responsible for the endtoend migration of complex Application Delivery Controller ADC configurations from Citrix NetScaler to F5 BIGIP platforms A key focus of this role will be the expert analysis translation and reimplementation of custom Citrix LUA scripts into equivalent F5 iRules Tcl and leveraging other F5 native features This role requires deep technical expertise in both Citrix NetScaler and F5 BIGIP along with strong scripting and problemsolving abilities

Key Responsibilities

Discovery and Assessment Conduct thorough analysis of existing Citrix NetScaler configurations including Virtual Servers Services Policies Profiles and custom LUA scripts to understand their functionality and dependencies

LUA Script to iRule Translation Expertly analyze complex Citrix LUA scripts and translate their functionality into optimized F5 iRules Tcl or alternative F5 features eg Local Traffic Policies data groups Access Policy Manager profiles where appropriate

Configuration Migration Design configure and implement equivalent F5 BIGIP configurations primarily focusing on LTM Local Traffic Manager and APM Access Policy Manager objects

Policy and Profile Conversion Map and convert Citrix policies eg rewrite responder content switching and profiles eg HTTP SSL to their F5 counterparts

Testing and Validation Develop and execute comprehensive test plans to ensure functional parity and optimal performance postmigration including load testing and security validation

Documentation Create detailed documentation of migrated configurations iRules and architectural changes

Troubleshooting Diagnose and resolve complex issues arising during the migration process and postmigration

Collaboration Work closely with application owners network architects security teams and project managers to ensure seamless migration and minimal business disruption

Best Practices Advocate and implement F5 best practices for security performance and maintainability

Mentorship Potentially mentor junior team members on F5 BIGIP technologies and migration strategies

Required Skills and Qualifications

Education Bachelors degree in Computer Science Information Technology or a related field

Experience

oMinimum of 7 years of handson experience with Application Delivery Controllers ADCs

oExtensive experience 5 years with Citrix NetScalerADC platforms including advanced configuration policy creation and expertlevel proficiency in Citrix LUA scripting

oExtensive experience 5 years with F5 BIGIP platforms including LTM and strong proficiency in F5 iRules Tcl Experience with APM is highly desirable

oDemonstrable experience in successfully migrating ADC configurations between different vendor platforms Citrix to F5 preferred

Technical Proficiency

oDeep understanding of networking protocols TCPIP HTTPS DNS SSLTLS

oStrong command of Tcl scripting language for iRules development

oStrong understanding of security concepts related to ADCs SSL offloading authenticationauthorization

oFamiliarity with automation tools and scripting eg Python Ansible for ADC configuration management is a plus

oKnowledge of payment industry protocols such as GICC and POSrelated protocols is a significant advantage