Civil Engineering Intern

This is a Full-time 16-month role commencing May 2026

For this role in Oakville, Ontario, The hourly wage range for this position isCAD $25 to $35 per hour. The actual wage offered will be determined based on factors such as education, experience, knowledge, skills, abilities, applicable market data for the work location, and internal equity considerations.

Come join us at Terrestrial Energy, a US developer of advanced, Generation IV nuclear reactors. We are growing our workforce to develop and deploy our Integral Molten Salt Reactor (IMSR) small modular nuclear plant to provide cost-competitive, clean firm heat and power to industry.

The Company has recently completed a merger creating a publicly listed operating company (NASDAQ IMSR), to secure the capital resources for our next growth phase. With the current alignment of US Federal and State government, as well as industry interest in Small Modular Reactor (SMR) and advanced reactor technologies such as Terrestrial Energys IMSR, there is today a unique and compelling opportunity to participate in the execution of the companys growth business plan.

The Company is building a team of high-performing business professionals and leaders in engineering, R&D, product management and business development areas at our Charlotte, North Carolina headquarters and future project sites. We are looking for talented individuals who can help build the organization, processes, and goal-orientated corporate culture to lead the company in our expansion. We are seeking people who:

• Have US market experience and perspectives bringing good judgement and innovative approaches to problem solving and business plan execution.
• Have demonstrated exceptional performance in past engineering projects.
• Offer exceptional leadership and team building capabilities.
• Have a deep understanding of the requirements for advanced reactor development.
• Can assist in the creation of the discipline and organized company structure, and contributed to a culture of excellence, necessary for the development and deployment of the Companys IMSR plant.
• Can thrive in a fast growing and opportunity business environment, and are capable of flexibility and adaptability at a time of organizational change.
• Have the specific skillset and experience for the following role:

The Civil Engineering Intern, under the direction of Civil/Structural Engineering Manager, is primarily responsible for aiding the Civil Design team in the development, analysis and design of civil systems.

Other responsibilities include:

• Prepare civil engineering design documents including calculations, analysis and design reports, design memoranda, engineering drawings
• Prepare SAP2000 models of steel and concrete structures
• Assist with engineering evaluations related to seismic, extreme wind, and other natural phenomena hazards
• Assist in the development or verification of analytical models involving seismic loads, soil profiles, and boundary conditions
• Assist with quantity takeoffs, cost estimates, and constructability assessments
• Support preparation of design packages and project deliverables in accordance with organizational standards and applicable codes
• Perform literature reviews and data gathering to support engineering analyses.
• Participate in design review meetings, document meeting minutes, and track action items
• Coordinate with multidisciplinary teams including mechanical, electrical, structural, geotechnical, and project controls groups
• Assist in maintaining project files, design records, and document control processes
• Conduct presentations to interdisciplinary teams and external parties

Core Competencies:

• Strong technical foundation in civil engineering principles, including statics, materials, hydraulics, soil mechanics, and structural behavior
• Ability to perform analytical work accurately and follow established engineering processes
• Ability to evaluate data, perform calculations, and apply engineering judgment under direction
• Strong written and verbal communication skills; ability to document findings clearly and professionally
• Strong attention to detail and commitment to quality
• Team player with the ability to collaborate effectively in multidisciplinary environments and follow supervisory guidance
• Strong organization and time-management skills with the ability to handle multiple assignments
• Demonstrated initiative and willingness to learn standards and procedures
• Flexible and adaptable to change
  

Requirements:

• Actively working towards a post-secondary degree or diploma in Civil Engineering with emphasis on Structural Engineering. Senior students preferred.
• Working knowledge of SAP 2000 and Mathcad
• Foundational understanding of basic structural dynamics concepts (natural frequency, damping, modal behavior)
• Familiarity with fundamental seismic design concepts such as response spectra, PGA, design basis earthquake criteria, and code-referenced seismic parameters.
• Basic exposure to soilstructure interaction concepts, including foundation flexibility and soil modulus concepts, through coursework or academic projects
• Proficiency with Microsoft Office (Excel, Word, PowerPoint, Visio)
• Basic familiarity with CAD tools (AutoCAD, Revit, or similar).
• Strong problem identification and problem resolution skills
• Flexibility to adjust to shifting priorities and deadlines
• Skilled at developing and maintaining strong relationships across all levels of the organization and with external customers and vendors

Assets:

• Exposure to nuclear design concepts, principles, regulations, codes and standards
• Experience with numerical modelling concepts, including finite element modelling
• Working knowledge of SASSI and ANSYS
• Familiarity with nuclear design standards (eg. CSA N291, CSA N287, ANSI/AISC N690, ACI 349, ASCE/SEI 4, ASCE/SEI 43)
• Familiarity with DOE standards (e.g., DOE-STD-1020)
• Coursework or academic project experience related to:
  • Structural dynamics
  • Geotechnical earthquake engineering
  • Seismic design per ASCE/SEI 7 or ASCE/SEI 43
  • Soilstructure interaction modelling

Benefits:

• Mentoring/Coaching with Senior Employees/Leaders
• Collaborative and supportive work environment
• Opportunities to network across departments
• Hands-on experience with real projects
  

Please submit a Resume, Cover Letter, and Transcripts (Unofficial copies are acceptable at this stage.)

Candidates must be legally authorized to work in Canada without the need for sponsorship for employment visa status.

Terrestrial Energy requires that the successful candidate be able to access and use information subject to U.S. Export Control Laws, which mandate all citizenships (including dual citizenships) be from the U.S. Department of Energys List of Generally Authorized Countries (10 CFR Part 810 Appendix A and can be found here:
eCFR :: Appendix A to Part 810, Title 10 -- Generally Authorized Destinations

unless a specific authorization from the U.S. Department of Energy is obtained or unless you are a U.S. citizen, U.S. national, U.S. permanent resident, or protected individual under the U.S. Immigration and Naturalization Act (8 U.S.C. 1324b(a)(3)).

Additional information can be found here:

-cfr-part-810.

Terrestrial Energy Inc. is an equal opportunity employer and does not discriminate on the basis of any legally protected status or group. We encourage applications from all qualified individuals.

If you require accommodation during the application or interview process, please advise us as soon as possible so appropriate arrangements can be made. If you require technical support in a format that is accessible to you, please contact