Sr. IT Systems Engineer

Basis Theory
PolandIT Support EngineerPosted Jul 21, 2026
Skip to main content Sr. IT Systems Engineer Basis Theory Poland Apply Sr. IT Systems Engineer Basis Theory Poland 1 day ago 34 applicants See who Basis Theory has hired for this role Apply Save Report this job Direct message the job poster from Basis Theory Mark Hartley Mark Hartley About Basis TheoryBasis Theory offers a fully programmable vault to create engaging commerce flows, connect with any partner, effortlessly manage compliance, and keep control of payments data. Standing at the intersection of technology and commerce, Basis Theory’s PCI Level 1, SOC2 type 2, and ISO 27001-compliant vault revolutionizes the way fintechs and merchants build their payment infrastructure by providing unparalleled flexibility and customization, enabling businesses to tailor their payment stacks to their unique needs. From emerging fintech startups to established merchants, Basis Theory provides the tools and support necessary for each to craft a payment stack that perfectly aligns with their business model.Basis Theory is building from first-hand experience at Twilio, Klarna, and Dwolla and has raised over $50 million from top-tier investors, including Bessemer Venture Partners, Costanoa Ventures, Stage 2 Capital, and Kindred Ventures. We are a globally distributed team that operates as a remote-first organization from the monthly stipend for remote working environments to our annual company get together at a new tropical location each year ?The JobAs part of the Basis Theory Security & IT Team, you will own the systems, devices, and identities that every employee depends on, keeping the company productive while strengthening our security posture. This is the founding hire as we bring IT support together under one team, so you'll have an outsized hand in how we build it: a single front door for requests, a well-run macOS fleet, smooth onboarding and offboarding, and the automation that lets a small team support a fast-growing company.You will be comfortable wearing more than one hat in a given week. The same identities, devices, and access you manage for productivity are core security controls, so you'll partner closely with the Security team on endpoint hardening, access reviews, and employee self-service, and you should be excited to grow in that direction.We are a small team supporting a rapidly growing organization. We move fast and ship a lot, so you need to be able to "skate to where the puck is going." We place high value on automation to reduce toil and lower the chance of mistakes. One of our Core Values is "Do Less, More Often." Our ideal candidate wakes up excited about building great processes that keep us safe and let us move quickly.Basis Theory is a fully remote company spanning North America, South America, and Europe, so it's important that you can work independently, communicate clearly in writing, and use modern collaboration tools effectively.ResponsibilitiesIdentity & Access Management: administer single sign-on and provisioning across Google Workspace and Okta; fulfill access requests with least-privilege and clear approvals; manage MFA, password resets, and account unlocks; keep identities clean (deduplication, deactivation) and run periodic access reviewsDevice & Endpoint Management: manage our 100% macOS fleet end-to-end in our MDM: enrollment, configuration...

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