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Senior F5 Engineer

Contract Type: Contract

Posted Date: November 18, 2025

ECCO Select is a talent acquisition and consulting company specializing in people, process and technology solutions. We provide the talent behind the technology enabling our clients to achieve their goals. For more information about ECCO Select, visit us at www.eccoselect.com.

Position Title:      Senior F5 Engineer

Location Information  Hybrid – Bay Area, CA

 

Position Responsibilities:


We are seeking a Senior F5 Engineer who will play a key role in ensuring the availability, scalability, and security of mission-critical applications across sophisticated on-premises data centers and hybrid cloud infrastructure environments. You will design, implement, and optimize complex F5 configurations, working closely with cross-functional teams to support enterprise, engineering, and manufacturing systems. This position provides the opportunity to lead modernization initiatives and work with cutting-edge automation and integration technologies.

Responsibilities include:

  • Design, implement, and optimize F5 BIG-IP configurations, leveraging modules such as LTM, GTM/DNS, APM, and ASM in both production and development settings.
  • Support and enhance application delivery environments for enterprise services and manufacturing platforms, focusing on resiliency, security, and scalability.
  • Develop and maintain custom iRules and iApps to enable advanced application delivery logic and system integrations.
  • Utilize automation tools such as Ansible, Python, or Terraform for configuration management, ensuring consistency and compliance throughout all stages and environments.
  • Collaborate with security teams to enforce access policies, manage SSL certificates, and integrate F5 with identity and access management solutions such as Okta and Azure AD.
  • Troubleshoot complex Layer 4–7 traffic flows and application issues utilizing F5 utilities, packet captures, and advanced logging techniques.
  • Integrate F5 platforms seamlessly within public cloud providers, including AWS, Azure, and GCP, to advance hybrid infrastructure strategies.
  • Oversee lifecycle management of F5 devices: plan and execute firmware upgrades, patches, and hardware refreshes.
  • Produce and maintain documentation for architectures, runbooks, and operational standards to support global technical teams.
  • Provide mentorship and technical guidance to junior engineers, encouraging best practices in automation and application security.

 

Essential Skills, Experience


  • 8+ years of hands-on experience architecting, engineering, and managing F5 BIG-IP systems (LTM, GTM/DNS, ASM, APM) in large enterprise environments.
  • Proficient in scripting and automating repetitive tasks and configurations using Python, Bash, Ansible, or similar technologies.
  • Advanced understanding of core networking and security protocols, such as TCP/IP, HTTP/S, DNS, SSL, SNAT, routing, and VLANs.
  • Experience with integrating F5 solutions with modern cloud-based application delivery systems, including Azure Front Door, AWS ALB/NLB, and Cloudflare.
  • Demonstrated ability to troubleshoot and resolve complex, multi-layered traffic and application delivery issues.
  • Exemplary communication and documentation skills, with the ability to collaborate across diverse teams in global, matrixed environments.
  • Proven ability to lead and contribute to migration and cloud modernization projects involving critical workloads.
  • Experience with maintaining high-availability environments supporting enterprise, engineering, or manufacturing systems.

Qualifications:

  • Bachelor’s degree in Computer Science, Information Technology, or a related discipline, OR equivalent practical experience.
  • F5 Certified Technology Specialist (LTM, ASM, APM, or GTM) certification preferred.
  • Experience with Zero Trust network designs and API gateway integrations highly desired.
  • Familiarity with Kubernetes ingress controllers, NGINX+, or alternative application delivery controllers is advantageous.
  • Prior experience supporting manufacturing, engineering, or critical workloads in Fortune 500 or high-tech enterprise environments is a plus.

ECCO Select is committed to hiring and retaining a diverse workforce. Our policy is to provide equal opportunity to all people without regard to race, color, religion, national origin, ancestry, marital status, veteran status, age, disability, pregnancy, genetic information, citizenship status, sex, sexual orientation, gender identity or any other legally protected category. Veterans of our United States Uniformed Services are specifically encouraged to apply for ECCO Select opportunities.

Equal Employment Opportunity is The Law
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