{"schemaVersion":"jobsearcher.job.v1","id":"c0cf495239e8ddef7af493f3","url":"https://jobsearcher.com/jobs/c0cf495239e8ddef7af493f3","canonicalUrl":"https://jobsearcher.com/jobs/c0cf495239e8ddef7af493f3","title":"F5 Network Engineer","description":"Role OverviewAs a Senior F5 Engineer, you will lead the architecture, engineering, and migration of complex application delivery solutions. The primary focus of this role is the large-scale migration of legacy Citrix NetScaler environments to F5 BIG-IP (LTM/GTM). You will be responsible for the full lifecycle of the project, from initial data gathering and High-Level Design (HLD) to hands-on implementation and post-migration troubleshooting.Key ResponsibilitiesDesign & Architecture: Develop High-Level (HLD) and Low-Level Designs (LLD) for F5 LTM and GTM/DNS infrastructure across multi-site data centers.NetScaler to F5 Migration: Lead the technical conversion of NetScaler configurations (Virtual Servers, Service Groups, Policies) into F5 BIG-IP equivalents (VIPs, Pools, iRules).Traffic Management: Design and implement intelligent traffic steering using F5 GTM (Global Traffic Manager)and complex load balancing logic via LTM (Local Traffic Manager).Programmability: Write, test, and deploy advanced iRules (TCL-based) to handle header manipulation, URI switching, and custom persistence requirements that were previously handled by NetScaler policies.Lifecycle Management: Manage F5 hardware/virtual platforms (Viprion, iSeries, or rSeries) and perform OS upgrades, licensing, and vCMP guest provisioning.Security Integration: Configure SSL offloading, certificate management, and basic security profiles (WAF/ASM integration is a plus).Stakeholder Collaboration: Work with application owners to understand traffic flows and requirements, ensuring zero-downtime migrations through meticulous cutover planning.Technical Skills & Qualifications1. Core F5 ExpertiseF5 BIG-IP LTM: Expert knowledge of Profiles (TCP, HTTP, SSL), Persistence (Cookie, Source-IP), Monitors, and SNAT.F5 BIG-IP GTM/DNS: Experience with Wide-IPs, Distributed Cloud/Global Server Load Balancing (GSLB), and iQuery communication.iRules Development: Proficiency in writing custom scripts to solve complex traffic steering challenges.Platform Mastery: Hands-on experience with vCMP (Virtual Clustered Multiprocessing) and high-availability (HA) failover clusters.2. Migration SpecificsNetScaler Proficiency: Strong understanding of Citrix ADC/NetScaler concepts (Content Switching, Responder/Rewrite policies, AppExpert) to effectively map them to F5.Migration Tools: Familiarity with manual conversion methods or automation scripts (Python/Ansible) to expedite configuration porting.3. Network & TroubleshootingProtocol Depth: Deep understanding of the OSI model, specifically TCP/IP, HTTP/S, DNS, and SSL/TLS.Tools: Expert-level use of Tcpdump, Wireshark, and F5's internal bash and tmsh shells for deep packet analysis.Experience & EducationExperience: 6-8 years in Network Engineering, with at least 4+ years dedicated strictly to F5/ADC technologies.Proven Track Record: At least one major migration project (NetScaler to F5 or vice-versa) successfully delivered.Certifications: F5 Certified Technology Specialist (LTM/GTM) or F5 Certified Solution Expert (preferred).Soft SkillsAnalytical Thinking: Ability to decompose complex legacy NetScaler policies into clean, efficient F5 logic.Communication: Able to explain technical migration risks to non-technical business stakeholders.Project Leadership: Experience leading technical workstreams within a larger infrastructure transformation program.","company":"Trinity Technology Solutions","rawCompany":"trinity technology solutions","city":"Houston","state":"TX","isRemote":false,"isActive":false,"createdAt":"2026-09-11T12:39:19.663Z","occupations":[{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1241.00","title":"Computer Network Architects","slug":"computer-network-architects"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"F5 Network Engineer","description":"Role OverviewAs a Senior F5 Engineer, you will lead the architecture, engineering, and migration of complex application delivery solutions. The primary focus of this role is the large-scale migration of legacy Citrix NetScaler environments to F5 BIG-IP (LTM/GTM). You will be responsible for the full lifecycle of the project, from initial data gathering and High-Level Design (HLD) to hands-on implementation and post-migration troubleshooting.Key ResponsibilitiesDesign & Architecture: Develop High-Level (HLD) and Low-Level Designs (LLD) for F5 LTM and GTM/DNS infrastructure across multi-site data centers.NetScaler to F5 Migration: Lead the technical conversion of NetScaler configurations (Virtual Servers, Service Groups, Policies) into F5 BIG-IP equivalents (VIPs, Pools, iRules).Traffic Management: Design and implement intelligent traffic steering using F5 GTM (Global Traffic Manager)and complex load balancing logic via LTM (Local Traffic Manager).Programmability: Write, test, and deploy advanced iRules (TCL-based) to handle header manipulation, URI switching, and custom persistence requirements that were previously handled by NetScaler policies.Lifecycle Management: Manage F5 hardware/virtual platforms (Viprion, iSeries, or rSeries) and perform OS upgrades, licensing, and vCMP guest provisioning.Security Integration: Configure SSL offloading, certificate management, and basic security profiles (WAF/ASM integration is a plus).Stakeholder Collaboration: Work with application owners to understand traffic flows and requirements, ensuring zero-downtime migrations through meticulous cutover planning.Technical Skills & Qualifications1. Core F5 ExpertiseF5 BIG-IP LTM: Expert knowledge of Profiles (TCP, HTTP, SSL), Persistence (Cookie, Source-IP), Monitors, and SNAT.F5 BIG-IP GTM/DNS: Experience with Wide-IPs, Distributed Cloud/Global Server Load Balancing (GSLB), and iQuery communication.iRules Development: Proficiency in writing custom scripts to solve complex traffic steering challenges.Platform Mastery: Hands-on experience with vCMP (Virtual Clustered Multiprocessing) and high-availability (HA) failover clusters.2. Migration SpecificsNetScaler Proficiency: Strong understanding of Citrix ADC/NetScaler concepts (Content Switching, Responder/Rewrite policies, AppExpert) to effectively map them to F5.Migration Tools: Familiarity with manual conversion methods or automation scripts (Python/Ansible) to expedite configuration porting.3. Network & TroubleshootingProtocol Depth: Deep understanding of the OSI model, specifically TCP/IP, HTTP/S, DNS, and SSL/TLS.Tools: Expert-level use of Tcpdump, Wireshark, and F5's internal bash and tmsh shells for deep packet analysis.Experience & EducationExperience: 6-8 years in Network Engineering, with at least 4+ years dedicated strictly to F5/ADC technologies.Proven Track Record: At least one major migration project (NetScaler to F5 or vice-versa) successfully delivered.Certifications: F5 Certified Technology Specialist (LTM/GTM) or F5 Certified Solution Expert (preferred).Soft SkillsAnalytical Thinking: Ability to decompose complex legacy NetScaler policies into clean, efficient F5 logic.Communication: Able to explain technical migration risks to non-technical business stakeholders.Project Leadership: Experience leading technical workstreams within a larger infrastructure transformation program.","datePosted":"2026-09-11T12:39:19.663Z","dateModified":"2026-09-11T12:39:19.663Z","hiringOrganization":{"@type":"Organization","name":"Trinity Technology Solutions","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Houston","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"c0cf495239e8ddef7af493f3"},"url":"https://jobsearcher.com/jobs/c0cf495239e8ddef7af493f3"}}