OT Infrastructure Engineer

Current ENMAX employees are encouraged to apply through their internal Workday access.

Posted: November 9, 2026 

Closing Date: November 27, 2026 

Position Type: Permanent 

Union: Exempt – Management Professional (MP) 

Why ENMAX? 

We are driven by our purpose of lighting the way to a brighter energy future, a future that includes a workplace where you’ll experience belonging and unlock possibilities. We offer meaningful opportunities, strong collaboration and a career aligned to what matters to you. We’re proud of who we are and the work we do to support our communities and customers who depend on us, because at ENMAX, we’re lighting the way together.  

The OT Infrastructure Engineer plays a key role in supporting the technology that enables the safe and reliable operation of ENMAX Power’s electric grid. As part of the System Automations team, you’ll design, implement and support critical OT network, server and data infrastructure used by the Control Centre and across grid operations. This role offers the opportunity to solve complex technical challenges, work closely with operational and technical teams, and help shape how evolving technologies are used to improve OT infrastructure and the experience of the teams who rely on it. 

Major Responsibilities

• Plan, design, install and maintain Operational Technology (OT) network and server systems including EMS/DMS/OMS electrical infrastructure models, OT support systems, and PI historian system. 

• Procure, install, and maintain Control Centre hardware and software infrastructure and provide technical support for Control Centre end-users.

• Administer the AVEVA PI system and support it’s integration with corporate data warehouse. 

• Responsible for the OT asset management programs, including sustaining capital replacement, backup policies, disaster recovery plans, and software strategies. 

• Support the development of the ARS standards related to OT systems in collaboration with the ARS team. 

• Plan and execute CIP and NIST sustainment activities, including device and application security hardening, patching, and annual documentation reviews. 

• Design and implement network infrastructure that enables edge communication between EPC control center and distribution grid equipment while meeting applicable industry standards 

• Design network OT infrastructure solutions for new and evolving projects, including Distributed Energy Resources Management System (DERMS), and Automatic Metering Infrastructure (AMI) Integration.

• Design, implement, monitor, and maintain OT data management processes and data pipelines, including integrations with platforms such as Databricks and Azure Data Factory. Ensure data is securely collected, transformed, validated, documented, and delivered to operational and corporate systems. 

• Create and maintain engineering documentation, including system designs, network diagrams, configuration records, operating procedures, maintenance plans, and as-built documentation ensuring OT infrastructure work is completed in accordance with the applicable APEGA engineering standards. 

Education Required

• Bachelor of Science degree in Engineering 

• Registered as a Professional Engineer with the Association of Professional Engineers and Geoscientists of Alberta (APEGA) and in good standing. 

Qualifications & Experience

• 4+ years’ relevant experience with an electrical utility environment, power engineering consulting firm, or SCADA, DMS, or EMS manufacturer. 

• Extensive experience designing, implementing, and operating Operational technology (OT) infrastructure. 

• Demonstrated experience with system integration in an OT environment, including configuring hosts for virtual machines, network design, virtual machine management, system hardware and software maintenance, patching, and OT infrastructure troubleshooting. 

• Advanced experience in AVEVA PI system administration, VMWare, and SQL database administration and integration. 

• Experience applying networking and routing concepts in an OT environment, including TCP/IP, VLANs, subnetting, firewalls, routing protocols, and network troubleshooting.

• Experience managing data and maintaining data integrations and pipelines using platforms such as Databricks and Azure Data Factory. This includes familiarity with ETL/ELT processes, SQL, data validation, troubleshooting, monitoring, and secure data exchange in an OT or utility environment. 

Competencies

• Strong problem-solving and analytical skills, with the ability to break down complex technical issues and identify practical solutions. 

• Takes ownership of work and demonstrates initiative in troubleshooting issues, following through on solutions and supporting reliable OT operations.

• Strong communication skills, with the ability to work effectively with Control Centre teams and communicate technical information clearly to a range of stakeholders.

• Collaborative approach to working across technical and operational teams to solve problems and improve how technology supports grid operations.

• Adaptable and curious, with the ability to learn and apply evolving technologies and identify opportunities to improve OT infrastructure and the operational experience. 

ENMAX Values – Safety, Integrity, Accountability, Service, Teamwork, Agility, Innovation  

Did we mention the ENMAX Advantage? 

We offer competitive compensation including a comprehensive flexible benefits program, non-downtown location that includes great building amenities such as free onsite fitness facility, onsite massage, onsite child care centre (upon availability, offered from our ENMAX Place location 141 – 50 Ave. SE), free parking and much more. If you share our values and would like to make a difference with your career, join the team and see where the ENMAX possibilities can take you. 

Location: 141 - 50th Avenue SE, 8820. This role will be part of our hybrid work model that includes Core Days in office (Tuesdays, Wednesday, Thursdays), and more time to focus on Mondays and Fridays, either in the office or at home. The office workspace is located at ENMAX Place (141 - 50th Avenue SE, Calgary, AB).

 
Note:  

• If we can provide an accommodation or adjustment to make the process more accessible for you, please let us know. ENMAX welcomes all qualified applicants to apply and is committed to a safe and respectful workplace. It is our aim to have a workplace which is inclusive and values safety, diversity, personal integrity, respect for individual differences, and encourages ownership and accountability for our actions.

• Every ENMAX employee is responsible to take reasonable care to protect the health and safety of themselves, of all other workers, and of the public. Each employee must become familiar with safety procedures and rules applicable to their job and are required to follow them while working at ENMAX. 
• Must be legal to work in Canada and requires the successful completion of a criminal background check. Two pieces of valid Government issued ID will be required.

• Two professional references will be requested. 

• Education requirements for this position will be verified by a third party.

In the spirit of reconciliation, we respectfully acknowledge that we live and work on the traditional lands of Indigenous Peoples. ENMAX headquarters is in Calgary, Alberta, the traditional territory of the Blackfoot Confederacy, comprised of the Siksika, Kainai, Piikani, and Amskapi Piikuni Nations; the Tsuut’ina Nation; and the îyârhe Nakoda Nations of Chiniki, Bearspaw, and Goodstoney, and home to the Métis Nation of Alberta, as well as many diverse Indigenous people who have made the city their home. We are committed to strengthening relationships with Indigenous Nations and peoples in all communities where we operate, through respect and collaboration.

Please visit our careers page to learn more about other opportunities at ENMAX Corporation.

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