Sr. F5 Engineer

Location: HYBRID (3 days onsite/week offices in NY and NJ)

Length: 6 months

Responsibilities

Sr. F5 Engineer

Location: Hybrid 3 days a week onsite to New York and Jersey City; will go to both offices

The Senior F5 Engineer will serve as the primary subject matter expert for F5 application delivery services within a complex enterprise environment. This role focuses on the design, implementation, configuration, migration, and support of F5 BIG IP platforms. The ideal candidate has extensive experience with F5 modules along with a strong background in enterprise and data center networking, application delivery, and cloud connectivity.

Responsibilities

• Design, implement, configure, and support F5 BIG IP solutions including LTM, GTM or DNS, ASM, APM, AFM, and related features.
• Create and maintain advanced F5 configurations including virtual servers, pools, profiles, monitors, iRules, and SSL certificates.
• Lead migration efforts from legacy load balancing platforms into F5 environments including virtual editions and VCMP guests.
• Perform F5 software upgrades, hotfix deployment, and platform refresh activities.
• Develop and run test plans to validate new designs, functions, and upgrade readiness.
• Provide advanced troubleshooting for application delivery, load balancing, DNS, SSL termination, and global traffic routing.
• Support integration of F5 services with cloud platforms including Microsoft Azure and Google Cloud.
• Collaborate with network, cloud, security, and application teams to deliver fully integrated solutions.
• Produce clear documentation including detailed designs, as built diagrams, configuration standards, and migration run books.
• Provide mentorship and direction to engineering staff as the senior level subject matter expert.

Qualifications

• Extensive experience with F5 BIG IP platforms including LTM and GTM with advanced level configuration, testing, and troubleshooting skill.
• Strong expertise in networking including IPv4, IPv6, BGP, OSPF, MPLS, VPNs, multicast, DHCP, SNMP, and DNS.
• Experience with application delivery design, load balancing strategies, and SSL certificate management.
• Background supporting enterprise and data center network architecture including Cisco, Juniper, Arista, and related technologies.
• Experience with cloud connectivity and cloud network integration including Azure and Google Cloud.
• Ability to automate tasks using Python, Ansible, Terraform, or similar tools.
• Experience supporting large scale high availability environments with strong analytical and problem solving skills.
• Strong written and verbal communication skills with the ability to articulate complex solutions to technical and non-technical audiences.
• Previous experience in a banking environment

Tools and Technologies

• F5 BIG IP LTM
• F5 BIG IP GTM or DNS
• F5 ASM and APM
• iRules and custom health checks
• SSL certificate tools
• Python
• Ansible
• Terraform
• Cisco and Juniper platforms
• Arista switches
• Palo Alto firewalls
• Azure and Google Cloud interconnectivity