Posted Wednesday, June 17, 2026 at 4:00 AM ERCO Worldwide has operated for over 100 years, focused largely on the production and supply of inorganic products along with technology for the production of chlorine dioxide. Today, ERCO’s major business areas include sodium chlorate, chlor‑alkali products, sodium chlorite, and chlorine dioxide technology. The ERCO business serves a number of key customer segments including pulp and paper, food, energy, agriculture, water treatment, airport de‑icing, fertilizers and specialty chemicals.

Senior Process Engineer

Full‑Time, Permanent Travel: ERCO Worldwide is looking for a Senior Process Engineer The Senior Process Engineer will be responsible for supporting various project activities, including unit operation systems and process control, to meet project objectives. This role ensures compliance with safety standards, environmental requirements, and overall plant and customer satisfaction. In addition, the Senior Process Engineer will provide technical guidance and mentorship to co‑op students, Engineers‑in‑Training (EITs), and junior process engineers.

This individual will also be responsible for updating ERCO design standards to reflect the latest industry practices and technical knowledge. Scope can be varied based on projects but include heat and material balance, PFD, P&ID; and interlock drawings, instrument datasheets, process equipment/instrument specification, system sizing, PHA/LOPA, operation manual, SOP, commissioning plan and performance trial. 1–7 assigned projects per year (depending on assignment complexity).



Lead team of process engineers for the project design work, as required.

Provide timely technical assistance to plant/customers. Works effectively with colleagues, plants/customers and management team. Interact with plant/customers to ensure needs are met. Technical knowledge sharing and guidance to process engineer team members to improve skills level within the department.

Quality Improvement Teams

Participate in Quality Improvement activities. Examples of these activities include improvements to the design, engineering procedure and manual, changes to work practices, recent product development and manufacturing projects, reduction in cost and time to complete projects. Participate in corporate technical meeting/committee.

Site visit for data collections, testing, trial as part of the project work. Provide timely support to field installation, commissioning and start‑up of equipment and system. Support to Project Management, Proposal and CAR Preparation Coordinate all documentation, team and plant/customer communications and equipment procurement support for the project.

Provide timely support in managing project progress versus schedule & budget.



Prepare and issue the project finding/update reports. Support customer proposal preparation. Provide input to the project schedule, as required.

Meetings, continuous learning and training (process engineering and other soft skills), document control (organizing work files as per Project Filing Structure), etc. Participation in and support to departments outside of Engineering. Bachelor’s Degree in Chemical Engineering is required. 10+ years of experience in Process Engineering in Chemical or related industries.

Strong knowledge of the chemical industry, especially inorganic chemistry. Extensive experience in plant commissioning. Strong technical writing and verbal communication skills. Knowledge of instrumentation and control design.

Proactive – takes initiative, creative, stays ahead of the curve, enthusiastic, inspirational Company Paid Health and Dental Benefits on Day 1 Health Care/Wellness Spending Account Annual Short Term Incentive Bonus Employee and Family Assistance Program Company Pension Plan Disability Insurance Maternity/paternity/parental leave support with top up option ERCO Worldwide does not use AI‑enabled tools to screen, assess, rank or select candidates in our recruitment process. ERCO Worldwide is an equal opportunity employer and is committed to recruiting, developing and maintaining a diverse workforce in compliance with all applicable Human Rights legislation. We will make every reasonable effort to accommodate for disabilities made known to us by our employees and applicants.

📌 Senior Process Engineer- Pharmaceuticals (Mississauga)
🏢 Erco Worldwide
📍 Mississauga