Network Engineer (Load Balancing - F5)
Summary
Remote (Poland-based) B2B contract role administering F5 BIG-IP load balancing for an international client: provisioning virtual servers, pools, iRules and SSL certs, TMOS firmware upgrades, 2nd/3rd-level incident response with 24/7 on-call, plus compliance, CMDB and capacity monitoring work. Pays up to €40/hour net through end of 2026.
Introduction & Summary
We are seeking a skilled Network Engineer to join our team, focusing on Load Balancing solutions based on F5 technologies, including BIG-IP LTM, DNS, and AFM. The ideal candidate will demonstrate extensive operational experience, particularly in managing the full product lifecycle from service initiation to decommissioning. Strong problem-solving skills, technical expertise, and excellent communication abilities in a multi-national environment are essential.
Main Responsibilities
The Network Engineer will oversee the configuration, administration, and troubleshooting of F5 BIG-IP systems. Key responsibilities include:
Provisioning and managing virtual servers, pools, iRules, and SSL certificates.
Conducting firmware lifecycle management for TMOS upgrades.
Participating in on-call duty and managing major incidents independently.
Executing planned maintenance activities and change implementations.
Responding to 2nd/3rd level incident tickets and supporting root cause analysis.
Optimizing event monitoring and reporting service availability KPIs.
Monitoring network capacity utilization and reporting bottlenecks.
Ensuring adherence to information security policies and supporting vulnerability management.
Maintaining the Configuration Management Database (CMDB).
Supporting compliance audits and tracking remediation efforts.
Key Requirements
Several years of hands-on experience with F5 BIG-IP (LTM, DNS, iRules, TMOS) in high-availability environments.
Certifications: F5 Certified BIG-IP Administrator (F5-CA) or equivalent, with F5 Certified Solution Expert (F5-CSE) as a plus.
Ability to work independently while following instructions from lead engineers.
Strong team collaboration and communication skills in an international setting.
Experience in creating and maintaining operational documentation.
Willingness to participate in a 24/7 on-call rotation.
Ability to manage stress effectively during on-call shifts.
Familiarity with ITIL processes in a regulated environment.
Proficiency in English (mandatory) and ideally German for customer communication.
Knowledge of network automation and event monitoring tools is advantageous.
Other Details
Set up: Remote
Contract: B2B
Rate: up to 40 euro netto per hour
Duration until December 31, 2026, and potential for extension.
Traveling: The role may require travel to customer sites or nearshoring locations.
