Note: The job is a remote job and is open to candidates in USA. TalentCollyde is seeking a Senior Application Delivery Engineer to support a large-scale infrastructure modernization initiative focused on migrating enterprise applications from VMware AVI to F5 platforms. The role involves designing, implementing, and optimizing application delivery solutions across global environments.
Responsibilities
- Lead the design and implementation of application delivery infrastructure solutions using F5 technologies
- Support migration efforts from VMware AVI (NSX Advanced Load Balancer) to F5 platforms
- Manage the full lifecycle of load balancing infrastructure, including design, deployment, upgrades, maintenance, and decommissioning
- Develop High-Level Designs (HLDs), Low-Level Designs (LLDs), implementation plans, and operational runbooks
- Architect solutions involving SSL offloading, DNS services, persistence, traffic optimization, and application security controls
- Ensure infrastructure designs align with enterprise security, compliance, and operational standards
- Perform validation, testing, and quality assurance activities before production deployment
- Collaborate with engineering, operations, security, and business teams to support successful project delivery
- Lead lifecycle management activities, including patching, upgrades, vulnerability remediation, and end-of-life technology refresh initiatives
- Troubleshoot complex issues related to load balancing, DNS, SSL/TLS, and network traffic management
- Support automation and integration initiatives through APIs and scripting technologies
- Provide operational metrics, reporting, and recommendations for continuous improvement
Skills
- 5+ years of experience in Network Engineering, Infrastructure Engineering, or Application Delivery Engineering
- Strong hands-on experience with F5 LTM and GTM
- Experience working with F5 APM and ASM modules
- Working knowledge of VMware AVI (NSX Advanced Load Balancer)
- Strong understanding of TCP/IP, HTTPS, BGP, DNS, SSL/TLS, and related networking protocols
- Experience designing and supporting highly available application delivery solutions
- Knowledge of SSL certificate management, PKI processes, and certificate lifecycle administration
- Experience troubleshooting complex enterprise networking and application delivery environments
- Experience using F5 iControl APIs or similar technologies for automation and integration
- Strong documentation, communication, and stakeholder management skills
- Experience participating in infrastructure lifecycle management and technology refresh programs
- F5 Certification (201, 301, or equivalent)
- CCNP, CCIE, or related networking certifications
- Experience with F5 advanced modules including ASM, APM, and Web Acceleration
- Knowledge of F5 iRules and policy-based traffic management
- Experience with automation tools such as Python, Ansible, or scripting frameworks
- Familiarity with ITIL processes and service management best practices
- Experience supporting financial services, banking, or other highly regulated environments
- Experience conducting root cause analysis, risk assessments, and infrastructure optimization initiatives
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