Senior Data Center Operations Engineer

Milestone Technologies, Inc.; Hamilton; On-site; CAD 80,000 - 100,000; Full time

Job summary

A global IT managed services firm is seeking an experienced Data Center Operations Engineer for its Hamilton, Ontario location. The role demands maintaining high uptime and efficiency across AI platforms, requiring a deeply technical engineer familiar with data center infrastructure. Responsibilities include supervising data reliability, collaborating with facilities and IT teams, and leading incident analyses. Ideal candidates will have over 10 years of relevant experience, strong problem-solving skills, and a commitment to safety and quality in operations.

Qualifications

• 10+ years in data center compute operations, facilities, or infrastructure engineering.
• Experience with servers, networking, and structured cabling.
• Familiarity with Linux scripting and network CLIs.

Responsibilities

• Own the reliability and performance of data centers.
• Partner with colocation providers to maintain uptime.
• Lead incident response and improve operational procedures.

Skills

Data center compute operations

Electrical systems

Cooling systems

Networking

Linux

ITSM/DCIM platforms

Documentation skills

Multitasking

Education

Degree in Engineering or Computer Science

Tools

Cisco

Ansible

Jira

Job description

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

Hiring All Shifts***

Seeking an experienced Data Center Operations Engineer to ensure environments run with precision, efficiency, and uptime across global sites. This role will bridge IT and facilities, maintaining the power, cooling, and compute systems that sustain the company’s world‑class AI platforms. This role requires a technically strong, detail‑oriented engineer who thrives in high‑availability environments. Must understand the full stack of data center infrastructure: Compute, Network, Power, and Cooling, and must take pride in systems that run flawlessly because of your work. Be able to communicate clearly, perform methodically under pressure, and collaborate effectively across IT, facilities, and vendor teams. This role requires a builder, a problem‑solver, and a guardian of uptime, someone who values precision, safety, and accountability in every aspect of operations.

Responsibilities

• Own the day‑to‑day reliability and performance of company data centers, supporting both IT and facility infrastructure. This includes installing and configuring servers and compute equipment, managing structured cabling, and performing Layer 1–3 troubleshooting across compute and network layers.
• Partner closely with colocation and data center providers to maintain uptime reviewing maintenance procedures, coordinating planned work, validating redundancy during transitions, and verifying site health after power or cooling events.
• Work alongside facilities teams, you’ll help operate and maintain critical power and cooling systems, including transformers, PDUs, UPS, switchgear, generators, CRAC and CRAH units, CDUs, chillers, cooling towers, and containment systems. You’ll assist in capacity planning, preventive maintenance, and load balancing across power and cooling zones to maintain safe, efficient, and redundant operations.
• Lead incident response and root‑cause analysis, refine standard operating procedures, and implement automation to improve efficiency and consistency across company data centers worldwide.

Required Skills

• 10+ years in data center compute operations, facilities, or infrastructure engineering and/or a degree in an Engineering or Computer Science discipline
• Hands‑on experience with servers, networking, and structured cabling
• Working knowledge of electrical systems including transformers, PDUs, UPS, switchgear, and generators
• Understanding of cooling systems including CRAC/CRAH units, CDUs, cooling towers, chillers, and containment environments
• Familiarity with Linux and basic scripting (Bash, Python, Ansible)
• Proficiency with network CLIs (Cisco, Arista, Juniper)
• Experience collaborating with colocation providers and reviewing MOP/EOPs for electrical and mechanical work
• Proficiency with ITSM/DCIM platforms (e.g., Jira, ServiceNow, NetBox, Sunbird)
• Ability to manage server, switch, router, storage, and hardware lifecycle processes
• Ability to update asset management systems using scanners and inventory tools
• Strong documentation, troubleshooting, and communication skills for ticketing, customer communication, and team coordination
• Strong multitasking, adaptability, and time‑management skills with a focus on quality and throughput
• Must be punctual, reliable, and well‑organized
• Must have strong interpersonal and teamwork skills, with the ability to work independently when needed
• Willingness to support on‑call rotation and meet a 60‑minute on‑site SLA
• Ability to safely lift 50–75 lbs and remain on feet for majority of the workday
• Ability to operate material‑handling equipment (pallet jacks, forklifts, server‑lift)
• Demonstrated ability to learn new systems, methodologies, software, and hardware platforms
• Experience working in high‑tempo, high‑stress environments
• Experience leading and/or mentoring more junior staffers
• Domain expert in one or more of the following functional areas:
  • Datacenter power systems
  • Datacenter cooling/HVAC systems
  • Server or liquid cooling
  • Network routing and switching
  • Late generation flash storage arrays
  • Facility and/or network security
  • Network infrastructure monitoring
• Ability to project‑manage key datacenter‑centric initiatives
• Able to effectively present data to senior leadership
• Familiar with datacenter key performance indicators (KPI)
• Ability to manage outage events
• Be a good person and good team mate

Preferred Certifications

• CompTIA Server+, Network+, or Linux+
• ITIL Foundation certification
• Networking: CCNA, JNCIA, ACE‑A

Compensation

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 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.