F5 Network Engineer

Our client, a IT Services and Consulting company, is looking for a F5 Network Engineer for their Hartford,  CT/Hybrid location.
 
Responsibilities:

• Design, configure, and manage F5 BIG-IP Local Traffic Manager (LTM) virtual servers, pools, nodes, and monitors for enterprise applications across multiple environments (Development, QA, Staging, Production).
• Develop and maintain iRules, iApps, and Local Traffic Policies to enable advanced traffic steering, header manipulation, URI-based routing, SSL offloading, and content switching.
• Implement and manage F5 BIG-IP Global Traffic Manager (GTM / DNS) for geographic load balancing, disaster recovery failover, and multi-data-center traffic distribution.
• Configure and troubleshoot SSL/TLS termination, certificate management, and end-to-end encryption across the F5 platform, including integration with enterprise PKI and certificate authorities.
• Build and maintain health monitors (HTTP, HTTPS, TCP, UDP, custom scripted) to ensure proactive detection of application and service degradation.
• Support application development teams by integrating load balancing configurations into CI/CD pipelines and Infrastructure-as-Code (IaC) workflows using Ansible, Terraform, or F5 AS3/DO declarative APIs.
• Perform capacity planning, traffic analysis, and performance tuning of F5 appliances and virtual editions (VE) to meet SLA and throughput requirements.
• Troubleshoot complex application delivery issues spanning L4–L7 layers, including packet captures, SSL handshake failures, persistence problems, and asymmetric routing.
• Manage F5 Advanced WAF (Web Application Firewall) policies to protect applications against OWASP Top 10 vulnerabilities, bot traffic, and DDoS attacks.
• Collaborate with network, security, and application teams to architect resilient, scalable load balancing solutions aligned with enterprise standards.
• Maintain documentation including topology diagrams, runbooks, change records, and standard operating procedures for all F5 and load balancing configurations.
• Participate in on-call rotations and provide L3 support for production incidents involving application delivery and traffic management.

• Required skills:
• F5 Technologies: F5 BIG-IP LTM, GTM, ASM/Advanced WAF, APM — configuration, administration, and troubleshooting.
• Scripting & Automation: iRules (TCL-based), iApps, F5 AS3, DO (Declarative Onboarding), TS (Telemetry Streaming), and REST API integration.
• Application Development: Server-side and application-tier development (Java, Python, Node.js, or .NET) with understanding of how applications interact with load balancers and reverse proxies.
• Networking: TCP/IP, HTTP/HTTPS, DNS, SSL/TLS, VLAN, SNAT, routing protocols (BGP, OSPF), and packet-level troubleshooting (tcpdump, Wireshark).
• Cloud Platforms: Experience with F5 VE deployments on AWS (ELB/ALB/NLB integration), Azure (Application Gateway), or GCP; understanding of cloud-native load balancing services.
• CI/CD & IaC: Ansible playbooks for F5, Terraform F5 provider, Jenkins/GitLab CI integration for automated deployments.
• Monitoring & Observability: Splunk, ELK, Grafana, or F5 Analytics/AVR for traffic visibility, dashboarding, and alerting.
• Security: WAF policy tuning, DDoS mitigation, bot management, zero-trust principles, and security hardening of application delivery infrastructure.
• Years of Experience: 14.00 Years of Experience

• Health Benefits
• Referral Program
• Excellent growth and advancement opportunities