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

Ce poste est ouvert aux candidats francophones ; toutefois, un niveau professionnel en anglais (crit et oral) est requis pour collaborer avec des quipes internationales.

The Data Center Technician L3 is a senior, hands-on role supporting the build-out and long-term operation of a new, enterprise-scale data center environment.

This position offers a unique opportunity to contribute from the ground up-beginning in a greenfield deployment phase, where you will play a key role in infrastructure build, installation, and commissioning. As the site transitions into production, you will continue as part of the core team supporting steady-state operations, ensuring continuity and technical ownership across the full lifecycle of the environment.

You will work across server, network, and infrastructure domains, taking on complex technical tasks and acting as a key on-site resource. This is a high-impact role suited for technicians who are comfortable operating with autonomy and contributing to both building and running critical infrastructure.

You will collaborate closely with engineering and operations teams, many of whom are internationally based, making strong English communication skills (written and verbal) essential for success in this role.

This role offers continuity across both deployment and operational phases, providing a strong foundation for long-term technical growth within a critical infrastructure program. The program is designed with continuity in mind, with a focus on building a stable, high-performing team that evolves with the site over time.

Employment Type:

This position is offered as a Contrat Dure Indtermine (CDI) under French employment law. The role is intended as a long-term position supporting the continued growth and operational maturity of the site. Cerebras and Milestone are focused on building a stable, high-performing team with strong continuity across both deployment and ongoing operations phases.

Key Responsibilities:

Execute rack & stack, hardware installation, and structured cabling during build phase

Support commissioning activities including system bring-up, validation, and testing

Perform provisioning and configuration of servers, storage, and network devices

Troubleshoot issues across Layer 1-3 during both deployment and operational phases

Interface with network devices via CLI (Cisco, Arista, Juniper, Dell)

Maintain accurate asset and inventory records using DCIM/ITSM systems

Participate in change management, including maintenance windows and production changes

Support transition from build phase to steady-state operations, including documentation and process development

Act as an escalation point for complex technical issues

Ensure adherence to safety, security, and operational standards

Participate in on-call rotation supporting 24x7 operations

Required Skills:

Strong hands-on expertise across data center infrastructure (compute, networking, cabling)

Comfortable working in both deployment (build) and operations (run) environments

Proficiency with Linux systems (command line, troubleshooting, basic scripting)

Ability to configure and troubleshoot network hardware via CLI

Solid understanding of data center fundamentals (redundancy, fault tolerance, power/cooling awareness)

Experience working within structured processes (SOPs, change management, incident response)

Familiarity with ITSM/DCIM tools (ServiceNow, Jira, or similar)

High standards for cabling, labeling, and physical infrastructure organization

Ability to interpret technical drawings, rack layouts, and network diagrams

Fluency in English (written and verbal) is required for day-to-day communication, documentation, and coordination with global teams

Self-directed, reliable, and capable of working independently in a fast-paced setting

Strong organizational skills and attention to detail

Physical & Operational Requirements:

Ability to lift and move up to 50 lbs

Comfortable working on feet for extended periods

Ability to respond to operational incidents within defined timelines

Flexibility to support varying schedules as required by project phase

Ability to operate material handling equipment (certification preferred)

Required Experience:

4+ years of experience in data center operations, infrastructure deployment, or similar environments

Proven experience with rack & stack, hardware installation, and structured cabling

Experience supporting data center build-outs, expansions, or migrations (strongly preferred)

Experience provisioning systems (PXE, imaging, or network-based methods)

Hands-on experience bootstrapping and configuring network devices

Working knowledge of Linux systems and basic automation tools

Experience supporting enterprise server hardware (Dell, HPE, Supermicro, or similar)

Strong understanding of networking fundamentals (Layer 2/3, DNS, DHCP)

Experience working within a ticketing system for incident and change tracking

Understanding of data center design principles (redundancy, failover, power distribution)

Preferred Qualifications:

Certifications such as CCNA, CompTIA Server+, or ITIL Foundation

Experience in large-scale or hyperscale data center environments

Exposure to automation tools (e.g., Ansible, scripting)

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 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.