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Location
Hybrid (Kraków, Warsaw, Wrocław, Poznań, Gdańsk, Poland)
Employment
Contractor

First seen by Alion on Nov 3, 2026.

Overview
Company
Impact
Profile match
VirtusLab is a software engineering and consulting company headquartered in Poland that works with clients internationally. It provides custom software development and technology consulting services with a focus on areas such as cloud computing, data platforms, and developer tooling.

VirtusLab is a leading European software consulting and engineering company. Our mission is to craft clean code and practical solutions with precision and purpose. We foster a dynamic culture rooted in strong engineering, a sense of ownership, and transparency, empowering professionals to make a substantial impact in the software industry.

 Project Overview & Engagement Profile

The cooperation involves maintaining, scaling, and optimising core on-premise infrastructure for a major global investment bank. The primary focus centers on driving the reliability and efficiency of essential developer tools and services — including Jenkins, BitBucket, and BuildBarn — for an on-prem installation serving a user base of over 10,000 developers. The delivery of services relies on strong system administration, deep networking knowledge, and automation. While 99% of the infrastructure is Linux-based, cross-ecosystem support covering Linux, Windows, and macOS environments is required. For engagements at a Senior level, the scope extends to leading the diagnosis and resolution of complex performance bottlenecks across this large-scale infrastructure.

  • English

  • Linux & System Administration

  • Networking (Firewalls, DNS, VPC/VLANs)

  • Jenkins / Bitbucket / BuildBarn

  • Python

  • CI/CD

  • PowerShell / Windows administration

  • Azure

  • macOS infrastructure support

Required Expertise and Capabilities:

  • At least 5 years of commercial experience in software engineering, DevOps, or infrastructure engineering, with a strong interest in working on infrastructure.

  • Strong proficiency in Python (clean, maintainable code, automation, backend services), plus Bash scripting.

  • Proven track record of designing and optimising CI/CD pipelines, ideally with hands-on experience managing on-premise developer tools (Jenkins, BitBucket, BuildBarn).

  • Solid background in Linux administration and a good understanding of networking (DNS, firewalls, VLANs).

  • Hands-on experience with Docker and container registry management.

  • Strong analytical skills for diagnosing and solving performance problems at scale, including tracking capacity and system metrics.

  • English language proficiency at a minimum B2/C1 level.

Nice to have:

  • Python web frameworks (FastAPI, Flask) and SQL/NoSQL databases.

  • Performance, stress, or latency testing.

  • PowerShell / Windows administration, macOS support.

  • Experience in large-scale Enterprise or financial environments.

A few perks of being with us

  • Building tech community

  • Flexible hybrid work model

  • Home office reimbursement

  • Language lessons

  • MyBenefit points

  • Private healthcare

  • Training Package

  • Virtusity / in-house training

Access to the above perks is optional and completely voluntary for B2B contractors

Tech stack

  • Python
  • CI/CD
  • Linux
  • Docker
  • Networking
  • Jenkins
  • Bitbucket
  • BuildBarn
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