System Administrator

Permanent, full-time position – London, ON

Do you have hands-on experience managing enterprise infrastructure across Windows and Linux systems, modern cloud platforms like AWS and GCP, and data center operations? Are you skilled in designing secure, resilient, and scalable IT environments that support business continuity?

London Hydro’s Information Systems Department is seeking a detail-oriented System Administrator with a strong technical foundation and a passion for solving complex infrastructure challenges. Reporting to the Manager, IT Infrastructure, you will be responsible for architecting, deploying, and maintaining a broad range of technology systems—including cloud infrastructure, networks, servers, enterprise storage, security, and disaster recovery.

You’ll work closely with internal teams and external partners to deliver stable, secure, and high-performing systems that support our business operations. From daily administration to long-term infrastructure planning, your work will be essential to keeping London Hydro’s IT ecosystem secure, reliable, and future-ready.

WHAT YOU WILL DO

As a System Administrator, you'll be the backbone of London Hydro’s IT infrastructure, responsible for designing, implementing, and supporting systems that are secure, resilient, and scalable. Your key responsibilities will include:

Deploy, configure, and support systems across Windows, Linux, and cloud environments (AWS, GCP), ensuring optimal performance and availability.
Architect and maintain enterprise-grade solutions using a mix of on-premises and cloud technologies to meet evolving business needs.
Manage enterprise storage, networking, and compute platforms, ensuring consistency, uptime, and performance across all systems.
Collaborate with the Cyber Security team to design and implement baseline security configurations and ensure compliance with policies, standards, and best practices.
Administer system-level security controls, including SSL, encryption, and access management across web and cloud platforms.
Maintain confidentiality and integrity of sensitive systems and data across the organization.
Plan, schedule, and execute system maintenance activities, upgrades, and migrations with minimal disruption to operations.
Proactively monitor system performance, troubleshoot complex issues, and implement corrective actions to maintain stability and efficiency.
Manage and maintain software and operating system licences.
Lead the development, testing, and execution of IT backup and disaster recovery strategies to ensure business continuity.
Maintain detailed documentation, including system configurations, solution architectures, and operational procedures.
Evaluate emerging technologies and provide strategic input on their implementation and value to the organization.
Serve as a technical escalation point for the Technical Analyst and cross-functional teams, offering guidance and resolution for complex technical issues.
Support hardware and software migrations, including application upgrades and platform transitions.
Perform the duties of the Technical Analyst.
Utility Safety Rules, London Hydro safe work practices and procedures, and all components of London Hydro's health and safety program.

WHAT YOU WILL BRING

We welcome applications from all candidates, including those whose knowledge, skills, and experience have been developed through alternative pathways from the requirements listed below. London Hydro, at its sole discretion, may deem a job applicant to meet the job requirements if they have sufficient skill, alternate education, and/or experience related to the role.

Education & Experience

A bachelor’s degree in Computer Science, Information Technology, or a related field—or equivalent practical experience.
Minimum of 5 years' experience in enterprise environments supporting Windows Server, Domains, Red Hat and other Linux operating systems.
Demonstrated success in deploying, securing, and maintaining infrastructure in hybrid cloud and on-premises environments.

Technical Expertise

Extensive hands-on experience with Red Hat Linux and Windows Server system administration, including patching, service management, and performance tuning.
Demonstrated proficiency with Active Directory (AD), Group Policy (GPO), DNS, DHCP, firewall administration, and corporate email infrastructure.
Strong understanding of system hardening, access control, and encryption technologies.
Proven ability to configure, troubleshoot, and maintain modern data center infrastructure including virtualized environments (VMware) and enterprise storage.
Experience supporting cloud-based infrastructure, with hands-on use of AWS and GCP for system administration, backup, and monitoring tasks.
Competency with shell scripting, automation, and system configuration tools such as Ansible and Terraform.
Ability to design or support CI/CD pipelines for system updates, patching, or deployment automation (not development-focused).
Excellent troubleshooting and root cause analysis skills across complex, multi-tier environments.
Strong written and verbal communication, documentation, and collaboration skills.
High level of professionalism, integrity, and discretion when handling sensitive systems and data.

Enterprise Applications & Databases

Familiarity with supporting enterprise-grade systems such as Oracle, MongoDB, and SAP in a sysadmin capacity (e.g., patching, uptime monitoring, storage).
Certifications in VMware, Windows Server, Red Hat Linux, AWS, or GCP are highly desirable.

WHY JOIN OUR TEAM

London Hydro has been recognized by Canada’s Top 100 Employers as one of the Southwestern Ontario’s Top Employers for 2025. This recognition is a testament to our unwavering commitment to excellence and our dedication to fostering an environment where every team member can thrive.

Benefits and Compensation Package:
Competitive Salary
Comprehensive Benefits Package, Including OMERS Pension Plan
Competitive Vacation Entitlements
Top-Up Leaves Program
Learning & Development Opportunities
Recognition & Social Programs
Wellness and Family Assistance Program
On-site Cafeteria & Free Fitness Centre
Corporate Cellphone
Hybrid Work Arrangement
Positive, collaborative and safety-focused culture

Want to learn more about what makes London Hydro a great place to work? Watch our short video:

Visit our website at www.londonhydro.com.

SOUNDS LIKE A GOOD FIT? HOW TO APPLY

We invite you to submit your cover letter and resume as a single document (in .pdf or .docx format only), saving the file as your last name and first name with no spaces (i.e., LastnameFirstname) to: Human Resources Department, London Hydro Inc., P.O. Box 2700, London, ON N6A 4H6. Fax: 519-661-5164. E-mail (System Administrator, in the subject line and ensure that you attach your resume): jobs@londonhydro.com.

Deadline to Apply: Friday, May 2, 2025

While we appreciate all applications received, only those invited for an interview will be acknowledged. In accordance with Canadian immigration requirements, this advertisement is directed to applicants who are authorized to work in Canada. The successful candidate will be required to complete a Criminal Record and education check prior to the commencement of employment.

London Hydro is committed to fostering a corporate culture and climate that values and supports a diverse, equitable and inclusive organization. London Hydro is an equal-opportunity employer. Accommodation is available under the Human Rights Code and the Accessibility for Ontarians with Disabilities Act. Any personal information submitted will be managed in accordance with the requirements of the Municipal Freedom of Information and Protection of Privacy Act and will be used only to determine eligibility for employment. We recognize the importance of work-life balance. Currently, we offer a hybrid work arrangement (In-Office and Remote) in accordance with London Hydro policy. Please note remote work is not guaranteed in the future and is subject to change.