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Posted 9 days ago

Intermediate Mechanical Designer

@ Callidus Engineering

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Ontario

HybridFull-time5+ years experience
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SIGNALS

Overview

Callidus Engineering is hiring an Intermediate Mechanical Designer for its London, Kitchener or Kingston office. The role covers mechanical design and drafting for building services, including heat transfer, equipment sizing and piping and duct design, plus field reviews during construction. Candidates with 5-10 years of mechanical design experience are encouraged to apply; the posting lists competitive wages, a benefits package and performance-based incentive compensation.

Responsibilities:

  • Mechanical design and drafting for building services
  • Heat transfer calculations and equipment sizing
  • Pipe, pump, duct and fire protection system design
  • Communication with clients, contractors and sales reps
  • Field reviews and construction administration

Requirements summary:

  • 5-10 years of mechanical design experience with building services
  • College degree in mechanical engineering technology or architectural technology, or AutoCAD familiarity
  • Strong leadership and team skills
  • Excellent written and oral communication

Tools & skills

AutoCAD
Source and dates

Employer career site / ATS feed · bamboohr

Employer posting date
2026-10-28
First seen by our source
2026-10-27
Source record updated
2026-11-03

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SeniorityMid level
DepartmentEngineering
Experience5+ years
Hours per week40 (estimated)
Travelground: minimal
Work settingOffice, Construction site
PositionSitting and standing
Physical demandsphysical low · computer high
LanguagesEnglish
EducationCollege diploma (preferred)
Fields of studyMechanical Engineering Technology, Architectural Technology
Perks mentionedPerformance bonus

Summary and details written by AI from the posting; the employer’s posting is the authority.

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Callidus Engineering

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FieldValue
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Job description

We are the Callidus Engineering team. We make buildings work!

We offer a diverse, flexible workplace where you have a career, not just a job.

Callidus Engineering is built on values of community, ambition and integrity. We value our team members. We are always striving to improve. We mean what we say.

Do you have 5-10 years of experience in Mechanical Design with a focus on Building Services? If so, we are looking for you to complement one of our 3 offices - London, Kitchener or Kingston.

Check us out! https://callidus.ca/work-at-callidus/

  • We have competitive wages
  • We offer a competitive benefits package
  • Incentive compensation based on the performance of the company.

Responsibilities Include:

  • Mechanical Design and Drafting
    • Setting up drawings and backgrounds
    • Drafting mark-ups provided by senior staff
    • Heat transfer calculations
    • Heating and cooling equipment sizing
    • Pipe sizing and pump selection
    • Sizing pipes for domestic water and sanitary drain systems
    • Sizing duct systems for air distribution
    • Layout of fire protection systems
  • Communicate with clients, contractors and sales reps, prepare project documentation and coordinate with other engineering disciplines.
  • Conduct field reviews and construction administration (shop drawings, RFIs, CCNs, monthly draws, etc) and interact with installing trades during construction.

Required experience:

  • Candidates with 5-10 years experience are encouraged to apply.

Qualifications:

  • College degree such as Mechanical Engineering Technology or Architectural Technology or
  • Familiarity with AutoCAD
  • Pro-active approach to work assignments and opportunities
  • Ability to multi-task and be organized, especially under the stress of deadlines
  • Strong leadership skills
  • Desire to work within a team environment and work across multiple offices
  • Excellent written and oral communication skills

Position Availability: This posting is for an existing vacancy.

Use of Artificial Intelligence: Callidus Engineering does not use artificial intelligence to screen, assess or select applicants for this position. A member of our team reads your resume and meets with you.

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