Network Engineer (Load Balancing F5)

Remote (Poland)Remote (region-locked)Individual contributorFound today
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Be | Shaping the Future Poland, part of the Engineering Group, is a technology and business consulting company founded in 2013. We help organisations in financial services and other industries turn complex requirements into reliable, end-to-end solutions, drawing on expertise in software engineering, cloud and infrastructure, data, and quality assurance.

Location: Remote

Availability for 24/7 on-call, including nights, weekends and public holidays.

You will operate our Load Balancing product based on F5 BIG-IP (LTM, DNS, AFM) in a regulated banking environment. Working under the technical direction of the Lead Network Engineer, you will cover the full lifecycle, from Entry into Service to decommissioning.

Responsibilities

  • Configure, operate and troubleshoot F5 BIG-IP (LTM, DNS, AFM): virtual servers, pools, iRules and SSL offloading.

  • Manage the certificate lifecycle, TMOS upgrades and F5 licensing.

  • Troubleshoot application delivery issues, persistence, health monitors and HA pair failover; resolve 2nd/3rd-level incidents and support root cause analysis.

  • Execute planned changes and maintenance in night and weekend windows; join the weekly CAB.

  • Take part in the 24/7 on-call rotation and support the Lead Network Engineer during Major Incidents.

  • Tune CheckMK monitoring, track availability and capacity KPIs, and investigate Splunk log alerts.

  • Run vulnerability management (CVE tracking, patching) and support audits and ISMS compliance.

  • Keep the CMDB up to date and support asset lifecycle tracking.

  • Maintain documentation, share knowledge with backup resources, and contribute to DR tests and continual improvement.

Requirements

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

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

  • Solid ITIL knowledge (Incident, Problem, Change, Configuration Management) in a regulated environment.

  • Ability to work independently within defined processes

  • Strong team and communication skills

  • Fluent English.

Nice to have

  • F5 Certified Solution Expert (F5-CSE), ITIL certification, German, Ansible/Python, CheckMK.

Why join us

  • Competitive B2B rate, aligned with your experience and the project

  • Long-term projects for leading international organisations

  • Continuous growth through internal DevTalks, online and onsite

  • A collaborative, international team within the Engineering Group

  • Optional Medicover, Multisport and Mindgram packages at preferential rates

  • Free access to the gym at our Q22 office

  • Referral program: a bonus for every successful recommendation

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Be | Shaping the Future PolandNetwork Engineer (Load Balancing F5)
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