About PubNubPubNub powers the world’s most engaging real-time experiences—chat, live updates, and interactive applications—for over 2,000 companies including Verizon, Autodesk, Zillow, and Dropbox. Our global data network processes trillions of messages each month with sub-100 ms latency across 15+ data centers. Backed by $130M in funding, we’re shaping the future of how the world connects.About the RoleThe Role We’re seeking an IT Support Engineer to support PubNub personnel and maintain our Katowice office infrastructure. You’ll work as part of a global IT team, follow documented processes, and help keep systems secure, reliable, and compliant. What You’ll Do  Provide Tier 1 and 2 IT support for company personnel Participate in an on-call rotation, performing initial alert checks and incident triage Follow documented runbooks and escalate issues as appropriate Support macOS endpoints (primary) and basic Windows environments Troubleshoot connectivity (Wi-Fi, VPN, tethering) and remote desktops Act as the primary IT contact for the Katowice office Maintain local office infrastructure and on-site systems Manage devices using MDM; update policies and libraries Monitor and remediate endpoint security and compliance issues Provision and deprovision accounts using established procedures Support defined compliance tasks and audits Maintain clear and accurate IT documentation Collaborate with the global IT team and local vendors Provide Polish-language support when needed What We’re Looking ForMandatory Requirements  3+ years of experience in IT support or IT operations Strong macOS support experience; basic Windows knowledge Experience with MDM and endpoint security tools Experience participating in on-call or incident response rotations Comfortable working in a distributed, remote-first environment Strong communication skills in English and Polish Detail-oriented and process-driven Nice to Have Google Workspace administration experience AWS foundational knowledge or certification Familiarity with IT ticketing and monitoring tools Experience supporting small on-prem environments Why PubNub Remote-first within Poland with global collaboration and an option to collaborate from our central Katowice office when useful. Clear ownership and well-defined processes Competitive compensation and benefits Opportunity to support a key and growing office location Competitive B2B compensation of PLN10,000-15,000 per month, based on experience and technical depth. Opportunity to support a key and growing office location If you are someone who thrives in a culture that values ownership, learning, and inclusion and work that directly shapes how developers around the world build real-time experiences—and how the future stays connected, then PubNub is the right place for you. PubNub is an Equal Employment Opportunity employer, committed to building a diverse and welcoming workplace.