Job Description
AltaGas - Sr. Administrative Assistant
We’re looking for a Senior Administrative Assistant to support the VP of Enterprise Risk & Assurance and the VP of Tax. Both teams are cross-border, with members based in Calgary and Washington, D.C. This role is perfect for someone who’s always one step ahead—organized, resourceful, and ready to handle anything. You’ll manage executive schedules, financial processes, audit coordination, and team operations with precision and professionalism. If you thrive on efficiency, love solving problems, and can juggle competing priorities with ease, we’d love to meet you.
What You'll Do:
Manage the VP’s calendar, travel, expenses, and correspondence
Liaise with executives, board members, and their assistants
Handle confidential communications, documents, and meeting minutes
Send formal audit communications on behalf of the VP ER&A and Audit Leadership
Coordinate internal and external stakeholder meetings
Oversee onboarding/offboarding of team members and consultants
Track team milestones, events, and performance metrics
Provide occasional admin support to other Finance teams
Generate purchase requisitions and purchase orders
Review invoices for coding accuracy and route for approval
Support budget reporting and invoice reconciliation
Liaise across departments to support C-SOX compliance and reporting timelines
Assist with internal control documentation and data collection
Coordinate with internal controls vendors and external auditors
Support internal controls updates and presentations
Plan and execute team offsites, training, and strategic sessions
Manage venue selection, budgeting, contracts, logistics, travel, accommodations, and tech needs
Prepare agendas and itineraries
What You'll Bring:
Minimum 5 years of experience supporting senior leaders in a fast-paced, professional environment
Minimum 3 years of experience using Microsoft 365 (Outlook, Word, Excel, PowerPoint, SharePoint, Teams)
Advanced Microsoft 365 skills (Outlook, Word, Excel, PowerPoint, SharePoint, Teams)
Proven ability to work independently and collaboratively across teams
Exceptionally proactive, detail-oriented, and highly organized
Strong business acumen, problem-solving skills, and sound judgment
Excellent verbal and written communication, formatting, and proofing skills
High level of professionalism, discretion, and customer service mindset
Experience with enterprise systems such as SAP or Oracle is preferred
Strong knowledge of accounting, auditing, and internal controls; familiarity with C-SOX/SOX is an asset
Why Join Us?
At AltaGas, you’ll contribute to meaningful work in a collaborative, high-performance culture that values integrity and innovation.
You’ll be supported with development opportunities, and the chance to work on high-impact projects that align with AltaGas’ long-term strategy
You’ll be part of a company that’s not only performing—but transforming
We offer a competitive salary range of $65,000 to $89,750 per year with eligibility for our STI at 10%, commensurate with experience, education, and skills. In addition, we provide a comprehensive benefits package including health and wellness, retirement plans, and paid time off.
Business Address:
AltaGas Ltd.
1700, 355 4th Avenue SW
Calgary, Alberta T2P 0J1
Location of Work:
Calgary, Alberta (Hybrid)
Language of Work:
English
Employment Type:
Permanent, Full-time
For Canadian hires: AltaGas hires personnel on the basis of job-related qualifications. All qualified applicants will receive consideration without regard to a person's ancestry, place of origin, colour, ethnic origin, citizenship, creed, sex, sexual orientation, gender identity or expression, age, record of offences, marital status, family status or disability or any other characteristic protected by applicable law.
For U.S. hires: WGL/SEMCO/AltaGas offers a total rewards package that includes competitive pay, incentive bonus plans, holiday pay, 401K matching and a wide array of benefits. These benefits including medical, dental and vision coverage are designed to help you and your family stay healthy. We also have paid time off (PTO) to balance the demands of your work and personal life. Available benefits vary depending upon the specifics of the role.
U.S. affiliates of AltaGas are committed to equal employment opportunity and providing reasonable accommodations to applicants with physical and/or mental disabilities. We value and encourage diversity and solicit applications from all qualified applicants without regard to race, ethnicity, religion, gender, age, national origin, marital status, sexual orientation, gender identity, family responsibilities, matriculation, physical or mental disabilities, political affiliation, genetic information, status as a protected veteran or any other characteristic protected by federal, state, or local law.