Data Center Operations Engineer

The Senior Data Center Operations Engineer plays a critical role in supporting the deployment and long-term operation of advanced AI infrastructure within a high-performance data center environment.

This role bridges IT infrastructure and critical facilities operations, ensuring the reliability, performance, and resilience of compute, network, power, and cooling systems that support some of the world’s most demanding AI workloads.

You will participate in the commissioning, validation, and operational readiness of new infrastructure while helping establish the operational standards that will govern the site for years to come. As the environment transitions into steady-state operations, you will assume ownership of infrastructure reliability, incident response, and continuous improvement initiatives.

This is a hands-on engineering role for professionals who thrive in mission-critical environments and take pride in maintaining world-class uptime, safety, and operational excellence.

You will work closely with facilities teams, colocation partners, vendors, network engineers, systems engineers, and global operations teams while serving as a senior technical resource and escalation point within the site., Own the reliability and operational performance of compute, network, power, and cooling infrastructure. Install, configure, troubleshoot, and maintain server, storage, and networking hardware. Perform structured cabling activities and Layer 1-3 troubleshooting. Partner with colocation providers and facility teams to review MOPs, EOPs, and maintenance procedures. Support and monitor critical electrical systems including UPS, PDUs, switchgear, transformers, generators, and distribution systems. Support and monitor cooling infrastructure including CRAC/CRAH units, CDUs, chillers, cooling towers, and liquid cooling systems. Participate in commissioning, infrastructure acceptance testing, and operational readiness reviews. Lead technical troubleshooting during infrastructure incidents and outage events. Conduct root cause analysis (RCA) and drive corrective and preventive actions. Develop and improve operational procedures, documentation, and runbooks. Support capacity planning, infrastructure forecasting, and preventive maintenance programs. Identify opportunities for automation and operational efficiency improvements. Participate in a 24x7 on-call rotation supporting critical infrastructure operations., Candidates from the following industries are strongly encouraged to apply: Hyperscale Data Centers Colocation Providers Telecommunications Critical Facilities Operations Industrial Automation Power Generation & Distribution Manufacturing Operations Defense / Military Technical Operations High Performance Computing (HPC) AI Infrastructure Operations

Preferred Certifications CompTIA Server+ CompTIA Network+ Linux+ ITIL Foundation

Professional proficiency in English (written and verbal). Finnish language skills (written and verbal). Strong hands-on experience supporting both data center IT infrastructure and critical facility systems. Deep understanding of redundancy, fault tolerance, high availability, and mission-critical operations. Experience operating electrical infrastructure, including:

o UPS systems

o PDUs

o Switchgear

o Generators

o Transformers

o Power distribution systems Experience supporting cooling infrastructure, including:

o CRAC/CRAH systems

o Chillers

o Cooling towers

o Liquid cooling technologies Strong Linux administration and troubleshooting skills. Experience with automation tools and scripting (Bash, Python, Ansible, or equivalent). Experience troubleshooting enterprise networking platforms using CLI tools. Familiarity with Cisco, Arista, Juniper, or similar networking technologies. Experience reviewing and executing operational procedures including MOPs, SOPs, and EOPs. Familiarity with ITSM and DCIM platforms such as ServiceNow, Jira, NetBox, Sunbird, or equivalent. Strong written documentation, communication, and incident management capabilities. Ability to perform effectively under pressure within high-availability environments.

Required Experience 7+ years of experience in one or more of the following:

o Data center operations

o Critical facilities engineering

o Infrastructure engineering

o Industrial operations

o Telecommunications infrastructure

o Mission-critical environments Experience supporting both facility infrastructure and IT systems. Experience with large-scale data center deployments, commissioning, or infrastructure expansion projects. Experience leading incident response and root cause investigations. Experience mentoring engineers or leading technical initiatives. Experience supporting production environments with strict uptime requirements.

Preferred Experience Experience with Building Management Systems (BMS), Electrical Power Monitoring Systems (EPMS), SCADA platforms, industrial automation systems, or critical facility monitoring environments., Schneider Electric Data Center Certifications Uptime Institute Certifications Electrical or Mechanical Engineering Certifications

Physical & Operational Requirements Ability to safely lift and move equipment up to 50 lbs (23 kg). Comfortable working on the data center floor for extended periods. Ability to access equipment in racks, under raised floors, and within mechanical and electrical infrastructure spaces. Ability to safely navigate active construction, commissioning, and operational environments. Ability to participate in on-call rotations and respond to operational incidents outside of normal business hours. Ability to travel occasionally between Customer sites as required.

Estimated Pay Range:

Exact compensation and offers of employment are dependent on circumstances of each case and will be determined based on job-related knowledge, skills, experience, licenses or certifications, and location.

Our Commitment to Diversity & Inclusion

At Milestone we strive to create a workplace that reflects the communities we serve and work with, where we all feel empowered to bring our full, authentic selves to work. We know creating a diverse and inclusive culture that champions equity and belonging is not only the right thing to do for our employees but is also critical to our continued success.

Milestone Technologies provides equal employment opportunity for all applicants and employees. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, gender, gender identity, marital status, age, disability, veteran status, sexual orientation, national origin, or any other category protected by applicable federal and state law, or local ordinance. Milestone also makes reasonable accommodations for disabled applicants and employees.

We welcome the unique background, culture, experiences, knowledge, innovation, self-expression and perspectives you can bring to our global community. Our recruitment team is looking forward to meeting you.

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.