Senior Financial Systems Administrator (NetSuite & OneStream)

Mississauga, ON
Hybrid
Posted Oct 10, 2026
1 position

$100,000–$120,000 / year

Opens an external site

Employment type: Full-time
Experience level: Senior · 5+ years
Minimum education: Bachelor’s degree
Posting language: English
Working hours: 40 hours per week

Job summary

The Senior Financial Systems Administrator serves as the primary administrator for core financial systems like NetSuite and OneStream. You will collaborate with stakeholders to manage system configurations, provide user support, and drive process improvements through technology.

Job details

Company Description WHO ARE WE? Dexterra Group (TSX: DXT) is a leading provider of support services and infrastructure support solutions across Canada and the United States. Through our diverse businesses, we deliver facilities management, food services, remote workforce accommodations, forestry services, and other operational solutions that help organizations operate safely, efficiently, and sustainably. For more than 80 years, Dexterra has supported clients across a wide range of industries and environments, from commercial and institutional facilities to remote worksites and natural resource operations. We are committed to delivering exceptional service while creating meaningful opportunities for our people, clients, and communities. Work That Matters, People Who Care. Job Description WHAT'S THE ROLE Behind every successful finance and operations function is a strong systems foundation that keeps information flowing, processes running and decisions moving forward. WHAT YOU'LL DO The Senior Financial Systems Administrator serves as the primary administrator and business partner for Dexterra's core financial systems, including #NetSuite, #OneStream and related applications. Working closely with Finance, Operations and other business stakeholders, you'll help ensure these critical platforms remain stable, reliable and aligned with the evolving needs of the organization. From user support and system administration to process improvement and application enhancements, you'll play a key role in helping teams across the business get the most value from the technology they rely on every day. Administer and support NetSuite, OneStream and other core financial applications used across the organization. Serve as a trusted systems partner to Finance and Operations teams, providing user support, troubleshooting and guidance. Manage system configurations, security access, testing, upgrades and ongoing application performance. Collaborate with stakeholders to gather requirements, improve business processes and implement system enhancements. Support financial reporting, forecasting, budgeting and operational planning through effective application management. Maintain system documentation, controls and governance requirements. Participate in financial systems projects, integrations and continuous improvement initiatives, including opportunities to leverage automation and AI. Why This Role Stands Out This is more than a traditional systems administration role. You'll be the go-to expert for the applications that support critical financial and operational processes across the organization, while partnering directly with business leaders to improve how technology supports reporting, planning, decision-making and performance. For professionals with a NetSuite Administrator or Financial Systems background, this role offers the opportunity to expand your influence beyond day-to-day system support and play a meaningful role in process improvement, business partnership and the ongoing evolution of Dexterra's financial systems environment. Qualifications WHO WE'RE LOOKING FOR 5+ years of experience supporting and administering enterprise business applications. Proven experience with NetSuite and strong knowledge of ERP administration, configuration and user support. Experience with OneStream or similar financial planning, consolidation or performance management platforms. Strong understanding of financial and operational business processes. Demonstrated ability to partner with business stakeholders, gather requirements and deliver practical system solutions. Excellent analytical, troubleshooting and problem-solving skills. Strong communication skills with the ability to support both technical and non-technical users. Experience with Power BI, SQL, integrations or financial data management is considered an asset. Exposure to automation, AI or digital transformation initiatives is considered an asset. Post-secondary education in Information Technology, Computer Science, Finance, Business or a related field. Additional Information WHAT’S IN IT FOR YOU? Be part of an industry that's more important than ever! Award winning safety culture. Supportive team environment with room to grow together. Onsite Hybrid work model. Employee Referral Program. We are growing! Certified as a Great Place to Work 2025-2026! Dexterra Group is an equal opportunity employer committed to diversity and inclusion. We are pleased to consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veterans’ status, Indigenous status, or any other legally protected factors. Special needs accommodation is available at all stages of the application process upon request. We thank all applicants for their interest and will contact those candidates selected for interview. Please Note: We kindly ask that staffing or recruitment agencies do not contact us regarding this opportunity. We are not accepting agency referrals at this time. Compensation: CAD 100000 - CAD 120000 - yearly

What you’ll do

Requirements

Candidates must have 5+ years of experience in enterprise business application administration with proven expertise in NetSuite and financial planning platforms. A post-secondary degree in IT, Computer Science, Finance, or a related field is required.