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L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Accounts Payable & Tax Co-op

Reference #26642

Waterdown, Ontario

About L3HARRIS WESCAM

As a subsidiary of L3Harris Technologies and within the Integrated Mission Systems Segment, the WESCAM division develops the most advanced optical sensor and targeting systems for global defense and military sectors, National Security, Search & Rescue and Airborne law enforcement agencies. From long-range covert surveillance missions to search and rescue operations, our MX-series systems, and the mission systems solutions they are a part of, produce stabilized high-magnification electro1-optical and infrared images from airborne, marine and ground based platforms, enabling our customers to see first and act first.

About the Role

This will be a 16 month co-op term startng May 2026 working with our accounts payable and corporate tax teams. You will also be assisting with various cost accounting tasks.

Primary Responsibilities 

• Performs any combination of routine calculating, posting, and verifying duties to obtain primary financial data for use in maintaining accounts payable records.
• Compiles data from vendor invoices and supporting documents to verify accuracy of billing data and to ensure receipt of items ordered.
• Compares invoices against purchase orders, shipping and receiving documents to verify receipt of items.
• Provides confirmation for for cheque run reports to have manager authorize payment to vendors.
• Receives and processes invoices for payment.
• Reviews cheques and vouchers to verify correct payments before signature by controller.
• Prepares monthly journal entry approvals.
• Compiles and prepares reports and records required by management or governmental agencies.

• Assists in completion of portions of the WESCAM Inc. Corporate Income Tax return
• Canadian HST/Australian GST/Foreign VAT Sales Tax remittance preparation
• Assembles tax information to be provided to Corporate office
• Monthly tax journal entries and reconciliations for Corporate Income Tax and HST/VAT
• Ad hoc tasks as requested by the Tax Specialist or Accounting Manager (i.e. To support T4A-NR reporting requirements, PST Insurance filings, annual NR4 returns, annual Excise Tax Return, Research tax matters, etc.)

Required Capabilities 

• Knowledge and interest in Canadian Corporate Income Tax and HST
• Strong knowledge in MS Excel and MS Word
• Knowledge of MS PowerPoint would be an asset
• Knowledge in ERP system ERPLN would be an asset
• Strong organizational and analytical skills
• Excellent verbal communication skills
• Understanding of US / Canadian GAAP

Desired Education and Experiences 

• University student with a focus in Accounting or Tax

Diversity & Inclusion

We believe that diversity among our employees makes us a stronger organization.

We are committed to diversity and inclusion within our L3Harris WESCAM family, and our community by welcoming and encouraging applications from anyone interested without regard to race, colour, religion, gender, sexual orientation, gender identity, national origin, age, disability, protected veteran's status, Aboriginal status or any other legally-protected groups. For people with disabilities, we work with you throughout the recruitment process to ensure you have what you need in order to be at your best. If you require any accommodation for any part of the recruitment/interview process, or as you begin your career with us just let us know and we will take care of you. 

This job description is not intended to be an all-inclusive list of responsibilities, skills, efforts or working conditions associated with this job. Management reserves the right to modify, add or remove duties as necessary.

At L3Harris, we foster an inclusive and equitable workplace. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. For applicants with disabilities, we will provide you with accommodation so that you have what you need in order to be at your best.

L3Harris performs background checks prior to employment as all applicants must be eligible for registration with the Controlled Goods Program and obtain and maintain a positive security assessment. Some positions may require a government of Canada “Reliability” status and/or Level 2 (Secret) security clearance. In addition, L3Harris performs pre-employment substance abuse testing where required.