Sr Tower Lead (Support & Operations)
Canada
Job Description
Sr Tower Lead (Support & Operations)
Mississauga, Ontario

Job Summary

We\'re looking for a Senior Cloud Specialist who thrives in a dynamic, collaborative environment. You will primarily be responsible for the design, implementation and maintenance of Suncor\'s Private Cloud infrastructure. Secondarily, you will have the opportunity to expand your knowledge and influence into other platforms such as Windows/RHEL servers, Azure, AWS, containerization, Ansible, Tanium, and more. This role involves managing server infrastructure, optimizing performance, ensuring security & compliance, and providing technical support to various teams. You will also lead initiatives for system upgrades, automation, and troubleshooting complex issues, while overseeing the overall Private Cloud tasks to ensure successful completion of key objectives. A successful candidate should have 10+ years in IT operations and the ability to demonstrate a firm grasp of enterprise operations processes.

Key Responsibilities

Maintain a Dynamic Environment • VMware Expertise: Serve as the Subject Matter Expert for VMware, managing, maintaining, optimizing, and automating infrastructure for performance, security, and reliability. • Hands-on skill with vCenter, ESX, and Aria: Identify configuration and security gaps, plan solutions, and implement them according to priorities. • Experience with Azure Local (Stack): Ensure security and configurations are maintained and up to date. • Security: System hardening, patch management, compliance management (including CIP), and vulnerability management. • Monitoring and Alerting: Use monitoring solutions and tools, define thresholds, baselines, and metrics, and implement alerting for proactive incident response. • Incident Management: Play a key role in resolving incidents, ensuring rapid response, and implementing long-term solutions to prevent recurrence. • Documentation and Knowledge Sharing: Create, update, and maintain clear, comprehensive documentation; maintain up-to-date knowledge bases; participate in regular knowledge sharing sessions. • Cross-functional Collaboration: Engage in cross-functional initiatives, taking on tasks outside your immediate role to support team goals and contribute to broader company objectives. • General knowledge of Azure Local (Stack/HCI), Windows server operating systems, storage technology, and Azure/AWS is preferred.

Skill Requirements

Plan and Implement New Technology • Automation and Scripting: Use tools such as Aria, Ansible, Terraform, and others to automate configurations, updates, alerting, and other processes, reducing manual efforts and ensuring system configuration consistency. • Regularly contribute to team meetings: Share ideas, feedback, and enhancements, promoting a culture of innovation and excellence. Always focussing on enhancing the environment with value-add improvements and upgrades. • Plan, test, and implement: You will participate in the planning, testing, and implementation of new technologies. Suncor puts a high value on new technologies that can increase cost savings and efficiency in our systems. You will help find those technologies, learn, test, and implement them to better our platform security, functionality, and efficiency.

Other Requirements

Training and Personal Advancement • Current technical certifications: VMware and cloud • Leadership and Mentorship: Lead by example, guide other team members, contribute to team strategy, and foster an environment of continuous learning and improvement. • Demonstrated ability to lead projects or teams: History of mentoring others and driving technical initiatives. • Documentation and Knowledge Sharing: Participate in regular knowledge sharing sessions to both share information with the team and learn from others. • Continuous Learning: Suncor provides numerous learning opportunities and certification pathways in all technology stacks. A successful candidate will show an eagerness to learn and advance their own skillsets with continuous training and certifications

Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 226,300 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending December 2025 totaled $14.5 billion.

23 Benefits At HCLTech, we believe in empowering our employees with comprehensive benefits that support their professional growth and enhance their well-being. When you sign up for a career with us, you gain access to: https://rmkcdn.successfactors.com/147eb21f/a701dca9-f32d-4fc9-9447-6.svg Industry-benchmarked compensation https://rmkcdn.successfactors.com/147eb21f/b0c54381-ddcc-4a33-9b35-9.svg Best-in-class healthcare benefits https://rmkcdn.successfactors.com/147eb21f/b73027be-7aae-4d36-a090-4.svg Personal time off https://rmkcdn.successfactors.com/147eb21f/d5b4fdfd-2e99-4e26-9878-9.svg Maternity and paternity benefits https://rmkcdn.successfactors.com/147eb21f/3d42b0fc-4652-435a-9ece-c.svg Access to skills / higher education programs/resources https://rmkcdn.successfactors.com/147eb21f/aeddeaf2-9e25-4584-ad11-d.svg Discounts on products and services via Benefit Box https://rmkcdn.successfactors.com/147eb21f/a9609a3b-2700-4b3c-9d90-a.svg Participate in CSR programs and live life with a purpose https://rmkcdn.successfactors.com/147eb21f/c6e33851-710f-4634-bd69-f.svg Opportunities to grow and advance your career Note: The benefits listed above vary depending on the nature of your employment and the country where you work. Some benefits may be available in some countries but not in all.