AltaGas Ltd.

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AltaGas Ltd. is a leading North American infrastructure company that connects customers and markets to affordable, reliable energy solutions across diverse sectors.

Calgary, Alberta

Oil and Gas

1,001–5,000 people

About

We are a leading North American infrastructure company connecting customers and markets to affordable and reliable sources of energy. Every day, we leverage the strength of our people and our assets to connect our customers with premier energy solutions – from the well sites of upstream producers, to the doorsteps of homes and businesses, to markets around the world. With a strong portfolio of assets in some of the fastest growing energy markets, including a prominent position in the Montney basin and Utilities in key U.S. jurisdictions, we are developing an integrated footprint capable of delivering sustained value to shareholders and customers for many years to come.

Open positions

AltaGas - Junior Project Portfolio Analyst

On-site · Calgary

Job Description AltaGas - Junior Project Portfolio Analyst The Junior Project Portfolio Analyst will join our Project Excellence team and support the financial analysis, reporting, resource planning, and data management of our capital project portfolio. This is a great opportunity for an early-career professional looking to build experience in project portfolio management, financial analysis, business intelligence, and workforce planning. You’ll work with teams across Finance, Engineering, Supply Chain, Project Management, and Business Development to turn project data into meaningful insig…

AltaGas - 2027 Community and Indigenous Relations Intern

On-site · Prince Rupert

Job Description Number of Positions: 2 Term: 4 Months Dates: May 3, 2027 – August 20, 2027 Location: Prince Rupert, BC Hourly Rate: $24.00 - $28.00 per hour About the Role Are you passionate about building strong communities, supporting meaningful engagement, and making a positive impact? As a Community & Indigenous Relations Intern, you'll work alongside AltaGas' Prince Rupert team to support community engagement, communications, and Indigenous relations initiatives. Through hands-on projects and day-to-day responsibilities, you'll gain valuable experience supporting stakeholder engagement…

AltaGas - E&I Maintenance Coordinator, REEF

On-site · Prince Rupert

Job Description AltaGas - E&I Maintenance Coordinator, REEF AltaGas is seeking an E&I Maintenance Coordinator, based out of Prince Rupert, to support our REEF Terminal Operations team! This role will coordinate daily electrical, instrumentation, controls, and IT maintenance activities at the REEF facility. The facility includes 5kV switchgear, breakers, VFDs and motors, natural gas power generation, DCS and PLC controls, various IT and OT networks, process instruments communicating via HART 4-20, instrument air actuated valves, hydrocarbon flow meters, fire and gas safety detection equipme…

AltaGas - Electrician & Instrumentation Technician, Terminal Operations (REEF)

On-site · Prince Rupert

Job Description AltaGas - Electrician & Instrumentation Technician, Terminal Operations (REEF) AltaGas is seeking a skilled Electrician & Instrumentation Technician to join our REEF Terminal Operations team. Reporting to the E & I Maintenance Coordinator, this role will be responsible for maintaining and troubleshooting electrical, instrumentation & control systems and equipment to ensure safe and reliable operations. The Electrician will work closely with Operations and Maintenance teams to support terminal activities. Your primary focus will be to ensure all work aligns with AltaGas’ Co…

AltaGas - Millwright/Heavy-Duty Mechanic, Terminal Operations (REEF)

On-site · Prince Rupert

Job Description AltaGas - Millwright/Heavy-Duty Mechanic, Terminal Operations (REEF) AltaGas is seeking a Millwright/Heavy Duty Mechanic to support mechanical maintenance activities at the REEF Terminal. Reporting to the Mechanical Maintenance Coordinator, this role will focus on maintaining rotating equipment, performing repairs, and supporting reliability initiatives across the facility. Your primary focus will be to ensure all work aligns with AltaGas’ Core Values: safety, collaboration, integrity, inclusion, and learning. This role requires strong organizational skills, attention to de…

AltaGas - Millwright/Heavy-Duty Mechanic - RIPET

On-site · Prince Rupert

Job Description AltaGas - Millwright/Heavy-Duty Mechanic - RIPET AltaGas is seeking a Millwright/Heavy-Duty Mechanic to support mechanical maintenance activities at the RIPET Facility reporting to the Mechanical Maintenance Coordinator, this role will focus on maintaining rotating equipment, performing repairs, and supporting reliability initiatives across the facility. Your primary focus will be to ensure all work aligns with AltaGas’ Core Values: safety, collaboration, integrity, inclusion, and learning. This role requires strong organizational skills, attention to detail, and the abili…

AltaGas - Fuel Office Administrator, Yellowknife

On-site

Job Description AltaGas - Fuel Office Administrator, Yellowknife AltaGas is seeking a Fuel Office Administrator to join the Enerchem Partnership team in Yellowknife, Northwest Territories. This position is responsible for providing administrative, customer service, inventory control, dispatch coordination, and accounting support for fuel distribution operations. The Fuel Office Administrator plays a critical role in ensuring the efficient and accurate administration of fuel sales, deliveries, inventory management, regulatory documentation, and customer accounts. Working within the unique…

AltaGas - Advisor, Community Investment

On-site · Calgary

Job Description AltaGas - Advisor, Community Investment Help shape how AltaGas invests in and partners with communities across our Midstream footprint. As a Community Investment Advisor, you'll lead the administration of a signature community investment fund, manage grants, sponsorships, and community partnerships, and help deliver meaningful outcomes for communities while supporting business priorities. Working closely with Community & Indigenous Relations, Government Relations, Communications, and Operations, you'll play a key role in building trusted relationships and demonstrating the i…

AltaGas - 2027 NGL Supply & Marketing Intern

On-site · Calgary

The intern will support the Supply and Marketing teams with asset optimization, inventory management, and supply position tracking. They will also analyze customer contracts, volumetric performance, and market trends to assist in commercial decision-making.

AltaGas - Operator 5, Slave Lake

On-site · Slave Lake

The Operator 5 will assist with the safe and efficient operation of the facility, including monitoring plant processes and performing routine maintenance. They are responsible for participating in safety programs, completing required training, and supporting product handling activities.

AltaGas - Operator 4, Slave Lake

On-site · Slave Lake

The Operator 4 is responsible for monitoring plant processes, performing routine maintenance, and ensuring safe and efficient production. They also manage plant logs, chemical testing, and support safe work permitting processes like LOTO and confined space entry.

AltaGas - Manager, Contracts Sourcing

On-site · Calgary

The Manager, Supply Chain Projects & Contracting leads a team in providing strategic sourcing, procurement, and contract administration for capital projects. This role is responsible for negotiating high-value agreements, managing risk, and driving operational excellence across the supply chain lifecycle.

2027 Data Analytics & AltaGas - 2027 Process Automation Co-op Student

On-site · Calgary

The student will support data analytics, business intelligence, and process automation initiatives to improve project performance and operational efficiency. They will also assist in developing dashboards, managing data quality, and collaborating with project teams to streamline workflows.

AltaGas - 2027 Transportation Intern

On-site · Calgary

The intern will support transportation operations through rail logistics management or contribute to the development and maintenance of internal business software. Responsibilities include data management, reporting, process standardization, and collaborating with cross-functional teams to meet business objectives.

AltaGas - Financial Analyst, Corporate Accounting

On-site · Calgary

The role involves supporting month-end and quarter-end close activities, including reconciliations, journal entries, and variance analysis. Additionally, the analyst will assist with financial reporting and collaborate with cross-functional teams to resolve accounting issues during an ERP implementation.

AltaGas - Senior Document Controller

On-site · Calgary

The Senior Document Controller will act as a subject matter expert for document control processes, systems, and governance to support Midstream operations and capital projects. They will oversee the lifecycle of project records, provide technical guidance to teams, and ensure compliance with corporate and regulatory standards.

AltaGas - 2027 Projects Engineering Co-op Student

On-site · Calgary

Support engineering and project teams with the planning, development, and execution of capital projects across the Midstream business. Assist with technical reviews, project documentation, and monitoring project performance throughout the project lifecycle.

AltaGas - 2027 Digital (NextGen AI & Data) Intern

On-site · Calgary

Job Description Number of Positions: 2 Term: 4, 8, or 12 Months Start Date: January 2027 About the Role Are you passionate about data, artificial intelligence, analytics, and emerging technologies? As a 2027 Digital (NextGen AI & Data) Intern, you'll join AltaGas' growing Data & AI team and work alongside experienced business and technology professionals to support enterprise Data, Analytics, AI, and Digital Transformation initiatives. Through meaningful projects and hands-on experience, you'll gain exposure to modern data platforms, analytics, automation, artificial intelligence, governan…

AltaGas - 2027 Engineering Co-op Student

On-site · Calgary

Students will support engineering teams in automation, operations, or integrity by analyzing data, maintaining systems, and contributing to infrastructure projects. They will collaborate with multidisciplinary teams to improve facility performance, reliability, and safety.

AltaGas - Sr. Engineer, Operations

On-site · Grande Prairie

The Senior Engineer owns the technical health and situational awareness of assigned assets while managing technical risks and capital planning. They provide technical leadership during operational events and collaborate with field teams to ensure safe and reliable infrastructure performance.