Job Description

Catena Carbon Capture Inc. is a Canadian Climate Tech engineering company focused on reducing global carbon emissions through proprietary carbon capture and utilization technologies. As a small but rapidly growing company, every team member plays a vital role. As HR and Executive Office Administrator, you will play a central role in compliance processes, HR coordination, document management, and executive support to the CEO. The role is best suited to someone who is adaptable, detail oriented, and comfortable taking on multiple responsibilities across departments in a fast moving environment.

Position Details:

Expected Start Date: February 24, 2026 Language: English
Key Responsibilities:

Executive Support and Office Management

Provide administrative assistance to the CEO Provide scheduling, correspondence, and reporting support to the CEO and management team. Prepare data summaries for investors and board reports. Review NDAs, contractor agreements, and other confidential files for accuracy and proper recordkeeping. Oversee procurement, vendor management, and general office supplies and operations. Coordinate internal meetings and maintain record-keeping systems. Experience with grant management systems, R&D cost-tracking tools, or compliance databases is an asset. Maintain documentation for funding and regulatory reporting.
HR Responsibilities

Assist in HR functions for the company including onboarding, employee record keeping and management of the employee stock option plan HR functions include advertising and employee onboarding, benefits administration, maintaining personnel files, and assisting with employment documentation compliance, policy development. Ensure employee recordkeeping and HR documentation meet regulatory compliance standards.
Financial

Maintain full-cycle accounting and general ledger accuracy in accordance with Canadian GAAP. Manage accounts payable, receivable, and bank reconciliations. Process payroll, prepare government remittances (HST, source deductions, WSIB, EHT), and reconcile related accounts. Prepare monthly and quarterly financial summaries. Track R&D expenditures, and associated funding allocations. Support year-end financials, audits, and funding compliance documentation.
Qualifications:

Minimum six years of progressive experience in bookkeeping, accounting, or finance administration. A minimum of two years experience as an administrative assistant to a senior executive Bachelor's degree in, Business, Finance, Accounting, or a closely related field. Human Resources certification (such as HR diploma, or equivalent). Proficiency in QuickBooks Online and Microsoft 365. Understanding of Canadian accounting standards and payroll compliance. Strong organizational, analytical, and communication skills. Ability to work independently and thrive in a small-team, startup environment. Due to the sensitivity of financial and funding data, the successful candidate must demonstrate strong confidentiality and data management practices. Experience in technology, R&D, or clean-tech sectors preferred. International banking or finance experience is considered an asset.
Job Type: Full-time

Pay: $65,000.00-$75,000.00 per year

Benefits:

Dental care Extended health care
Ability to commute/relocate:

Ottawa, ON K1B 5N1: reliably commute or plan to relocate before starting work (required)
Application question(s):

Do you possess a Human Resources certification?
Work Location: In person