Senior IT Systems Specialist Job Mississauga area,Ontario Canada,IT/Tech

About Us:

Rodan Energy is a North American leader in distributed energy resources and energy intelligence, enabling a more reliable, cost-effective, and decarbonized grid.

We partner with large energy users, utilities, and grid operators to design, finance, and operate high-impact DER solutions—including asset optimization, demand response, metering, and power system engineering.

Managing 1,400+ MW of flexible capacity across Ontario, NYISO, PJM, MISO, and AESO, we make sustainable attainable.

Why Join Rodan:
Thriving Industry: Join a rapidly growing sector at the forefront of innovation and sustainability, shaping the future of energy management. Product-Market Fit:   98% client retention and consistent year-over-year growth.

Top Talent & Strong Culture:  Work with high caliber technical and operational professionals who value ownership, continuous improvement, and practical problem solving. What Makes This Role Great:
We are seeking an experienced Senior IT Systems Specialist to administer, maintain, and improve our IT and OT environment while providing reliable support to end users, partners, and customers.

You will support networks, servers, cloud services, Microsoft 365, endpoint management, firewalls, remote access, backups, and IT assets across hybrid on-premises and cloud platforms, with a focus on Azure, Intune, Entra , and Microsoft 365 administration.

Beyond keeping systems stable and secure, you will automate routine tasks, maintain clear documentation, and contribute to infrastructure projects as the business grows.

The successful candidate is a hands-on technical professional who combines strong infrastructure, cloud, and support capabilities with ownership and a continuous improvement mindset.

They take accountability for outcomes, drive issues to resolution, learn new technologies quickly, and constructively challenge inefficient processes.

Comfortable working across IT, operations, vendors, and business stakeholders, they don't just maintain systems; they find opportunities to improve reliability, strengthen security practices, and help the organization scale.

Key Responsibilities:

IT Infrastructure, Cloud Management & Optimization Administer and maintain Microsoft Azure environments, including virtual machines, storage, networking, identity services, backups, and replication. Administer and maintain Windows and Linux servers across a hybrid on-premises and Azure environment, including provisioning, configuration, hardening, performance tuning, and troubleshooting. Manage Microsoft 365 services, including Exchange Online, SharePoint, Teams, Intune, Entra , and related administrative controls. Support hybrid infrastructure across on-premises and cloud environments, including identity integration, server administration, endpoint management, and backup/disaster recovery platforms.

Help ensure IT infrastructure remains available, reliable, secure, and aligned with business needs. Administer and maintain enterprise firewalls, remote access, VPN connectivity, network rules, routing, and related network security configurations. Perform patching, updates, upgrades, and migrations for Azure resources, Microsoft 365 services, servers, endpoints, network equipment, and firewalls with minimal business disruption. Follow and contribute to formal change management processes, ensuring infrastructure changes are properly reviewed, approved, documented, and communicated.

Manage server, network, endpoint, and IT asset lifecycle activities, including inventory accuracy, warranty tracking, documentation, and replacement planning. Plan, scope, and deliver IT projects that improve infrastructure efficiency, cloud resource optimization, system reliability, endpoint management, and service delivery. Assess infrastructure, cloud, network, and endpoint decisions with future growth, scalability, reliability, and supportability in mind. Develop scripts using Power Shell, Bash, Azure CLI, or Python to automate system administration, reporting, configuration, and routine operational tasks.

Use AI-enabled productivity and automation tools, such as Microsoft Copilot, Copilot Studio, Power Automate, or similar platforms, to improve documentation, reporting, troubleshooting, and operational efficiency. Identify and implement measurable continuous improvement opportunities that reduce manual effort, improve uptime, increase patch and configuration compliance, reduce recurring incidents, or strengthen audit readiness. Maintain clear documentation for IT processes, system configurations, operational procedures, firewall rules, network diagrams, support runbooks, knowledge transfer materials, and standard operating procedures to reduce dependency on individual knowledge.

Security Administration & Compliance Support Support secure configuration and administration of Microsoft 365, Entra , Intune, Conditional Access, Defender, and related Microsoft security controls. Apply a security-by-design mindset, including secure-by-default…