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[Remote] F5 Engineer

Remote · Hong Kong Full-time

Note: The job is a remote job and is open to candidates in USA. IS3 Solutions is seeking an experienced F5 Engineer with a strong background in designing, implementing, and optimizing F5 solutions. The ideal candidate will collaborate with cross-functional teams to enhance security, performance, and scalability of F5 platforms.

Responsibilities

  • Architect and design enterprise-grade F5 solutions, ensuring security, scalability, and redundancy
  • Configure, deploy, and maintain F5 BIG-IP LTM, GTM (DNS), ASM, APM, AFM, and iRules for application delivery and security
  • Migrate applications from legacy load balancers (e.g., Citrix NetScaler, Cisco ACE) to F5 solutions
  • Develop iRules, automation scripts (Python, JSON, Ansible, Terraform, or AppViewX) to optimize performance and security
  • Integrate F5 with cloud platforms like AWS, Azure, or Oracle Cloud Infrastructure (OCI) for hybrid and multi-cloud environments
  • Implement SSL/TLS offloading, traffic steering, WAF policies, and Zero Trust Security principles using F5 solutions
  • Troubleshoot network, application, and security issues related to F5 load balancers
  • Collaborate with network, security, and DevOps teams to align F5 deployments with business and security requirements
  • Stay up to date with F5 product updates, vulnerabilities, and best practices to maintain a secure and efficient infrastructure
  • Document designs, configurations, and operational procedures for ongoing support and compliance

Skills

  • 5+ years of experience as an F5 Engineer, with a focus on architecture and design
  • Hands-on experience with F5 BIG-IP LTM, GTM (DNS), APM, ASM, AFM, and iRules scripting
  • Experience with cloud-based F5 implementations (AWS, Azure, OCI)
  • Strong knowledge of network protocols (TCP/IP, HTTP/HTTPS, SSL/TLS, DNS, BGP, OSPF)
  • Familiarity with automation tools (Python, Ansible, Terraform, AppViewX)
  • Experience in designing high-availability and disaster recovery solutions
  • Understanding of Zero Trust, SASE, and WAF security models
  • Excellent troubleshooting skills and ability to analyze packet captures using tools like Wireshark
  • Strong documentation and communication skills

Company Overview

  • IS3 Solutions is an IT company that provides data centers, cloud, cyber security, IT infrastructure, and IT financing solutions. It was founded in 2010, and is headquartered in Shrewsbury, New Jersey, USA, with a workforce of 51-200 employees. Its website is https://is3sol.com.
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