High-paying science jobs in Markham
Science involves the systematic study of natural phenomena and the environment. Researchers and scientists collect and analyze data to understand complex issues better. Positions like biologists, geologists, and research scientists typically require analytical thinking, attention to detail, and advanced knowledge in their respective fields.
The 128 science jobs listed below pay well, with salaries between $61,953 and $94,010 per year. Electrical Designer, Laboratory Assistant and R&D Engineer are among the most popular high-paying roles in Markham, ON.
Job title
Updated Oct. 17, 2026
Job title
Markham, ON
Ontario
Job openings (Markham)
R&D Engineer
Markham
$94,010
per year
Ontario
$79,344
per year
Electrical Designer
Markham
$92,075
per year
Ontario
$105,085
per year
Clinical Research Associate
Markham
$76,047
per year
Ontario
$84,923
per year
Hydrogeologist
Markham
$70,869
per year
Ontario
$103,123
per year
Senior Laboratory Analyst
Markham
$63,909
per year
Ontario
$63,909
per year
Laboratory Assistant
Markham
$26.77
per hour
Ontario
$28.66
per hour
Job descriptions below are for educational purposes. Please refer to the employer's job description for complete details.
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R&D Engineer
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Please refer to the employers job description for complete details.
R&D Engineers design and test new products, develop prototypes, and improve existing technologies. They need expertise in engineering principles, industry standards, and strong problem-solving skills to innovate effectively and meet project goals.
See 21 jobsAverage salary
Markham
$94,010 per yearOntario
$79,344 per yearSkills
- Software development
- C++
- Python
- APIs
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Electrical Designer
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Please refer to the employers job description for complete details.
Electrical Designers create detailed wiring diagrams and layouts for electrical systems, ensuring compliance with codes. They need expertise in CAD software, knowledge of electrical standards, and skills in problem-solving and technical communication.
See 40 jobsAverage salary
Markham
$92,075 per yearOntario
$105,085 per yearSkills
- Electrical experience
- AutoCAD
- Manufacturing
- Programmable logic controllers
- English
-
Clinical Research Associate
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Please refer to the employers job description for complete details.
Clinical Research Associates monitor trial sites to ensure regulatory compliance, data accuracy, and participant safety. They need knowledge of Good Clinical Practice, clinical protocols, and strong communication skills to coordinate with diverse stakeholders effectively.
See 9 jobsAverage salary
Markham
$76,047 per yearOntario
$84,923 per yearSkills
- Clinical research
- Data collection
- Research
- Clinical trials
- Medical terminology
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Hydrogeologist
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Please refer to the employers job description for complete details.
Hydrogeologists investigate groundwater movement, quality, and storage to support water resource management and environmental protection. They need expertise in hydrology, geology, and data analysis using modelling tools to evaluate aquifers and contamination risks.
See 16 jobsAverage salary
Markham
$70,869 per yearOntario
$103,123 per year -
Senior Laboratory Analyst
See 3 jobsAverage salary
Markham
$63,909 per yearOntario
$63,909 per year -
Laboratory Assistant
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Please refer to the employers job description for complete details.
Laboratory Assistants prepare samples, maintain equipment, and document results to support experiments. They need proficiency in lab safety, basic chemical handling, and accurate data recording to ensure smooth, reliable lab operations.
See 39 jobsAverage salary
Markham
$26.77 per hourOntario
$28.66 per hourSkills
- Laboratory experience
- Analysis skills
- Communication skills