Senior Wintel Engineer

Requisition ID:  13374
Location: 

Mississauga, ON, CA, L4V 1S7

Pay Type:  Salary

COMPANY OVERVIEW  
Holcim is planning to spin-off its North American Business to unleash its full potential, capitalizing on North America’s oversized growth in construction led by the modernization of infrastructure, a surge in advanced manufacturing and AI operation and the growth of resilient cities.

Holcim plans to list the new company on the NYSE by the end of the first half of 2025 and establish its operations headquarters in the US to be fully dedicated to serving the North American market and pursue a growth strategy across the region.

The newly listed company will become North America’s leading building solutions company, with industry-leading market position to meet its customers' greatest ambitions with the most advanced building solutions from foundation to rooftop.

Description: 

ABOUT THE ROLE
Under the general direction of the Server Platform Lead, is responsible for the operational stability and performance of all Wintel and VMware infrastructure services. This includes direct support for VMware vSphere and vSAN environments—specifically 2-node clusters with witness and 4-node clusters—and Windows Server administration. The candidate will also assist the Amrize teams in supporting Plant Operations and ensuring ongoing service stability across the enterprise. Strong emphasis is placed on operational efficiency, proactive monitoring, and simplifying administration through automation and scripting.

 

WHAT YOU’LL ACCOMPLISH

  • Provide mid-level subject matter expertise in VMware vSphere/vSAN and Microsoft Windows Server environments.
  • Administer VMware vSAN clusters (2-node with witness and 4-node), ensuring performance, availability, and health compliance.
  • Troubleshoot and maintain VMware vSphere infrastructure, including ESXi hosts, vCenter, distributed switches, and storage policies.
  • Participate in deployment, configuration, upgrades, and lifecycle management for vSAN clusters using vLCM and Skyline Health.
  • Work directly with NAS-based storage systems and ensure optimal integration with vSAN and Windows servers.
  • Support PowerShell scripting for automation of administrative tasks, reporting, and system management.
  • Collaborate with the Engineering team for solution design, capacity planning, and infrastructure scaling.
  • Participate in after-hours support and a rotating 24x7 on-call schedule.
  • Monitor, patch, and upgrade Windows Server OS and VMware infrastructure per IT maintenance procedures.
  • Ensure compliance with security standards and regulatory requirements (e.g., encrypted vSAN, secure witness communication).
  • Work with vendors to maintain supported configurations and operational alignment with company standards.

 

WHAT WE’RE LOOKING FOR
Level of education/qualifications normally required: 

  • Bachelor’s Degree in Information Technology or related discipline.
  • Distinctive qualifications relating to his/her area of expertise.

Specific work experience: 

  • At least 5 years of combined experience in Wintel and VMware administration.
  • Hands-on experience supporting VMware vSAN in production (2-node with witness and 4-node).
  • Experience using PowerShell for systems management.

Technical/functional skills:

  • Strong knowledge of VMware vSphere, vCenter, and vSAN (including vLCM, SPBM, witness configuration).
  • Experience with NAS-based infrastructure and integrating with VMware and Windows systems.
  • Windows Server administration including patching, roles/features, and Active Directory fundamentals.
  • PowerShell scripting for automation, monitoring, and reporting.
  • Understanding of ITIL/ITSM practices and infrastructure support models.

Behavioral competencies:

  • Open-minded, collaborative and an effective team player.
  • Ability to work in a multicultural and multi-located team.
  • Driven for success and aspiring to a culture of service excellence, always putting the customer, our people and our business at the center of everything he/she does.
  • Ability to deal with ambiguity.
  • Ability to communicate openly and effectively with many diverse stakeholders, with external vendors and auditors, and with staff.
  • Ability to work proactively and under pressure considering the criticality required to ensure the right quality of service for the business

Linguistic skills:

  • Fluency in English, both verbal and written.

Additional Requirements:

  • Employees that are required to wear respirators must be clean shaven where the respirator seal meets the face in order to pass the qualitative and quantitative fit tests.
  • Successful candidates must adhere to all safety protocols and proper use of Holcim approved Personal Protection Equipment ("PPE"), including but not limited to respirators. Employees that are required to wear respirators must be clean shaven where the respirator seal meets the face in order to pass the qualitative and quantitative fit tests. 

 

WHAT WE OFFER

  • Flexible Health & Dental benefits coverage for you and your dependents, effective day one.
  • A generous Pension Plan designed to support you through various stages of your career and life.
  • Access to voluntary programs like RRSP and TFSA for future financial planning.
  • Healthy Living support through an Employee and Family Assistance Program (EFAP), offering confidential assistance for work, health, or life challenges.
  • Easy access to mental health and well-being support.
  • Service recognition awards to celebrate your contributions.
  • Perks & discounts on a variety of products and services.
  • Access to online learning platforms, financial educational assistance, and a culture that fosters career growth and opportunities.
  • Financial support for new parents beyond statutory benefits.
  • An inclusive and welcoming environment where everyone can be themselves.
  • A collaborative work culture in a supportive and team-oriented work environment
  • Company-provided personal protective equipment ensuring your safety and comfort on the job.

 

We thank you for your interest. Please note that this posting is for an existing vacancy, and only candidates selected for an interview will be contacted. Lafarge is committed to the principles of employment equity and encourages the applications from women, visible minorities, and persons with disabilities.

 

Lafarge Canada Inc. welcomes and encourages applications from people with disabilities. In Ontario, our organization/business is committed to fulfilling our requirements under the Accessibility for Ontarians with Disabilities Act. Accommodations are available on request for candidates taking part in all aspects of the selection process.

YOUR HOLCIM EXPERIENCE
At Holcim, there is endless opportunity for you to play your part. Whether you’re in a technical, managerial, or frontline role, you can shape a career that works for you. With us you’ll have the chance to embrace the passion we share for our planet. You’ll be encouraged to seek out diverse perspectives, share your ideas and build the skills and connections you need to perform at your best. Because it’s only when we work together in a culture where everyone thrives, that we can build the world we all want to live in.

Click to view Company Benefits Overview

In compliance with the ADA Amendments Act (ADAAA), if you have a disability and would like to request accommodation in order to apply for a position with us, please call (773) 355-4557 or email recruiting-accommodations@holcim.com. This email address and phone number should only be used for accommodations and not general inquiries or resume submittals.

Driven by our purpose to build sustainable solutions for people and our planet, Holcim US encourages interested candidates who meet many, even if not all of the job requirements to apply for a position. We provide a safe working environment for all and strive for diversity in our teams and inclusivity in our work.

We take pride in our hiring processes and our commitment that all qualified applicants will receive consideration for employment without regard to age, race, color, ethnicity, religion, creed, national origin, ancestry, gender, gender identity, gender expression, sex, sexual orientation, marital status, pregnancy, parental status, genetic information, citizenship, physical or mental disability, past, current, or prospective service in the uniformed services, or any other characteristic protected by applicable federal, state or local law. Our goal is to drive excellence and to ensure we create an environment where every individual has the opportunity to succeed. Holcim (US) Inc., Holcim - ACM Management, Inc., and their affiliates and subsidiaries are an Equal Opportunity Employer, deciding all employment on the basis of qualification, merit and business need.

While we sincerely appreciate all applications, only candidates selected for an interview will be contacted.