Data Center Technician L3

Company Overview Milestone Technologies is a global IT managed services firm that partners with organizations to scale their technology, infrastructure and services to drive specific business outcomes such as digital transformation, innovation, and operational agility. Milestone is focused on building an employee-first, performance-based culture and for over 25 years, we have a demonstrated history of supporting category-defining enterprise clients that are growing ahead of the market. The company specializes in providing solutions across Application Services and Consulting, Digital Product Engineering, Digital Workplace Services, Private Cloud Services, AI/Automation, and ServiceNow. Milestone culture is built to provide a collaborative, inclusive environment that supports employees and empowers them to reach their full potential. Our seasoned professionals deliver services based on Milestone’s best practices and service delivery framework. By leveraging our vast knowledge base to execute initiatives, we deliver both short-term and long-term value to our clients and apply continuous service improvement to deliver transformational benefits to IT. With Intelligent Automation, Milestone helps businesses further accelerate their IT transformation. The result is a sharper focus on business objectives and a dramatic improvement in employee productivity. Through our key technology partnerships and our people-first approach, Milestone continues to deliver industry-leading innovation to our clients. With more than 3,000 employees serving over 200 companies worldwide, we are following our mission of revolutionizing the way IT is deployed. Job Overview Milestone Technologies is a global IT services and digital transformation company delivering managed services and professional solutions to many of the world's most innovative organizations. We are seeking an experienced Data Center Technician III to support one of our strategic AI infrastructure customers as they continue expanding next-generation data center operations throughout Finland. This position offers the opportunity to work within a rapidly growing AI infrastructure environment supporting advanced compute platforms, high-density deployments, and mission-critical operations. Position Summary The Data Center Technician III is an experienced, hands-on technical professional responsible for supporting the deployment, commissioning, and ongoing operation of advanced AI infrastructure within a mission-critical data center environment. Working alongside customer engineering teams, facilities personnel, vendors, and Milestone leadership, this individual performs complex installation, maintenance, troubleshooting, and operational support activities across enterprise server, storage, networking, and supporting infrastructure. The Technician III also serves as a senior technical resource within the local operations team by mentoring junior technicians, supporting operational readiness, and assisting with the continuous improvement of operational processes and documentation. Employment Type Permanent Full-Time (Finland) This position is based in Mikkeli, Finland, supporting long-term customer operations. Employment will be provided in accordance with applicable Finnish employment legislation, applicable Collective Agreements (TES) where required, and Milestone Technologies employment policies. Professional proficiency in English is required. Finnish language skills are considered beneficial but are not required. Key Responsibilities Infrastructure Deployment Install, rack, cable, and commission enterprise server, storage, networking, and supporting infrastructure. Perform structured copper and fiber cabling installations while maintaining high standards for labeling and cable management. Support infrastructure validation, equipment acceptance testing, operational readiness reviews, and commissioning activities. Assist with data center expansions, hardware refreshes, migrations, and infrastructure lifecycle projects. Technical Operations Install, configure, troubleshoot, repair, and maintain enterprise server, storage, and networking hardware. Diagnose and resolve Layer 1–3 infrastructure issues involving compute, networking, structured cabling, and supporting systems. Configure and troubleshoot enterprise networking equipment using CLI tools. Support AI, GPU, HPC, and high-density compute environments, including liquid-cooled infrastructure where applicable. Participate in preventive maintenance activities, hardware replacement, and break/fix support. Operational Excellence Execute operational procedures including SOPs, MOPs, and EOPs. Maintain accurate asset, inventory, and configuration records using DCIM and ITSM platforms. Participate in change management, incident response, and operational documentation. Identify opportunities to improve operational efficiency, documentation, and technical processes. Support continuous improvement initiatives across the data center