{"id":2930257,"url":"https://alion.io/job/virtuslab-on-premise-cicd-infrastructure-engineer","title":"On- Premise CI/CD Infrastructure Engineer","company":{"id":1440,"name":"VirtusLab","domain":"virtuslab.com","url":"https://alion.io/company/virtuslab","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":null,"employment_type":"contractor","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Kraków, Poland","Warsaw, Poland","Wrocław, Poland","Poznań, Poland","Gdańsk, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":47000,"max_usd":90000,"period":"year","method":"role_country_seniority_unknown","sample_n":424},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bash","optional":false},{"name":"Bitbucket","optional":false},{"name":"CI/CD","optional":false},{"name":"DNS","optional":false},{"name":"Jenkins","optional":false},{"name":"Linux","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-20T13:37:36Z","employer_posted_date":null,"last_verified_at":"2026-10-20T13:37:36Z","board_verified":false,"closed_at":null,"days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"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.\n Project Overview & Engagement Profile\nThe 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.\nEnglish\n\nLinux & System Administration\n\nNetworking (Firewalls, DNS, VPC/VLANs)\n\nJenkins / Bitbucket / BuildBarn\n\nPython\n\nCI/CD\n\nPowerShell / Windows administration\n\nAzure\n\nmacOS infrastructure support\n\nRequired Expertise and Capabilities:\nSolid background in Linux administration and a deep understanding of networking concepts.\n\nAt least 5 years of commercial experience in system administration or infrastructure engineering.\n\nHands-on experience in managing and optimising on-premise developer tools (such as Jenkins, BitBucket, and BuildBarn).\n\nProficiency in scripting languages (Bash and Python; basic knowledge of PowerShell is an asset) for automating administrative tasks.\n\nStrong analytical skills for diagnosing, troubleshooting, and solving system performance problems at scale.\n\nCapability to provide multi-platform environment support (primarily Linux, with secondary support for Windows and macOS).\n\nCommercial experience operating within large-scale Enterprise or financial environments is highly preferred.\n\nEnglish language proficiency at a minimum [B2/C1] level, ensuring seamless technical communication.\n\nA few perks of being with us\nBuilding tech community\n\nFlexible hybrid work model\n\nHome office reimbursement\n\nLanguage lessons\n\nMyBenefit points\n\nPrivate healthcare\n\nTraining Package\n\nVirtusity / in-house training\n\nAccess to the above perks is optional and completely voluntary for B2B contractors\nTech stack\nAzure\nWindows\nPowershell\nCI/CD\nPython\nBuildBarn\nBitbucket\nJenkins\nSystem 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