Network Engineer (F5 Load Balancing)

Quick Facts

• Role: Network Engineer (F5 Load Balancing)

• Focus: F5 BIG-IP LTM, DNS, and AFM

• Work setup: Remote

• Contract type: B2B

• Rate: up to 40 EUR netto per hour

• Duration: until December 31, 2026 (extension possible)

• Travel: may be required to customer sites or nearshore locations

Description

Network Engineer focused on F5 load balancing solutions. You will configure, administer, and troubleshoot F5 BIG-IP systems (BIG-IP LTM, DNS, AFM), manage TMOS firmware lifecycle upgrades, and independently handle major incidents as part of a 24/7 on-call rotation.

Responsibilities

• Provision and manage virtual servers, pools, iRules, and SSL certificates

• Perform firmware lifecycle management for TMOS upgrades

• Participate in on-call duty and manage major incidents independently

• Execute planned maintenance activities and change implementations

• Respond to 2nd/3rd level incident tickets and support root cause analysis

• Optimize event monitoring and reporting service availability KPIs

• Monitor network capacity utilization and report bottlenecks

• Ensure adherence to information security policies and support vulnerability management

• Maintain the Configuration Management Database (CMDB)

• Support compliance audits and track remediation efforts

Requirements

• Several years of hands-on experience with F5 BIG-IP (LTM, DNS, iRules, TMOS) in high-availability environments

• F5 Certified BIG-IP Administrator (F5-CA) or equivalent

• F5 Certified Solution Expert (F5-CSE) is a plus

• Ability to work independently while following instructions from lead engineers

• Strong team collaboration and communication skills in an international setting

• Experience 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

• English proficiency (mandatory); German ideally for customer communication

• Knowledge of network automation and event monitoring tools (advantageous)

Benefits

• Remote work setup

• B2B contract

• Up to 40 EUR netto per hour

• Contract duration until December 31, 2026, with potential extension