Job Title: Senior Systems Engineer

Department: Information Technology

Reporting to: Manager, IT Operations

Location: Mississauga, ON

Vacancy Status: This position is vacant.

Greenfield is looking for a Senior Systems Engineer to join our growing team.

Overview

The Senior Systems Engineer will be responsible for monitoring and maintaining our enterprise environment. The role will include analysis, planning and implementation of complex solutions ranging from software and service stacks to entire datacenter roll outs and migrations.

Who You Are

- Possesses Company values of honesty, integrity, respect, commitment and open to change, while modelling the Company Core Principles in all activities
- Ability to foster collaborative, cross department relationships to meet common objectives
- Strong verbal and written communication skills to convey findings to non‑technical stakeholders
- Must be able to work independently and take initiative on projects
- Must be able to work on a team and inspire increased productivity from teammates
- Must be able to think and adapt quickly to meet business needs
- A natural curiosity to explore system improvements and persistence to solve challenging problems

Your Experience Should Include

- Minimum of 10 years’ work experience in operations and infrastructure
- 4+ years of experience working in public cloud, M365 and similar technologies
- 2+ years of experience as a senior team member executing complex projects and deliverables
- Extensive knowledge and experience with enterprise hardware and virtualization stacks (Cisco UCS, VMWare, SANs, ISCSI networks)
- Deep understanding on VMware’s platform (VCF preferred)
- Experience with backup platforms, methodologies and validation techniques (Veeam preferred)
- Robust knowledge maintaining Active Directory domains and Entra ID environments
- Solid knowledge of networking technologies and concepts
- Exceptional written and verbal communication skills

Bonus Points If You Have Any of These





- Experience with Open‑Source platforms (Proxies, HA, Web services, Monitoring tools)
- Experience with developing KPIs
- Experience with DevOps (ADO) methodologies
- Experience with MDM platforms (Intune preferred)
- Copilot Studio and Power Platform experience

Job Responsibilities

- Collaborate closely with Operations team members and the wider IT Dept to offer solutions to business needs
- Maintain and support VMWare, Active Directory, SANs and other components that comprise an on‑premises enterprise environment
- Work with the IT Dept and business to develop and maintain backup and recovery strategies
- Identify and research high‑value improvements to physical and virtual infrastructure
- Maintain and tune monitoring tools to provide validated alerts when needed and limit alert storms and fatigue
- Develop methods to facilitate non‑disruptive update and upgrade paths for enterprise systems
- Ability to automate where possible using various tools (Scripting, Power Automate/Logic Apps, Azure Arc functions)
- Stay current and knowledgeable of new technologies and processes within enterprise IT and manufacturing spaces
- Exceptional communicator who can collaborate with stakeholders to gather and understand business related needs
- Develop and maintain process‑related documentation
- Troubleshoot and support escalations and incidents
- Follow Information Technology policies and industry best practices
- Other duties as assigned

Total Compensation & Care

- Base salary dependent on experience and demonstrated performance – $120,000 to $130,000
- Formal and informal training opportunities
- Comprehensive health and dental benefits
- Income protection: short‑ and long‑term disability coverage, life insurance, paid personal sick time
- Vacation time exceeding industry standards
- Company funded retirement savings program with individual contribution opportunities
- Meaningful and challenging work
- Curated intentional culture focused on growth and development, engagement, and communication

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📌 Senior Systems Engineer (Mississauga)
🏢 Greenfield Global
📍 Mississauga