Careers at ZefSci

ZefSci is an engineering company focused solely on providing multivendor LCMS maintenance and service and setting a new standard in analytical instrument repair. That success starts with our team of experienced engineers and employees who go the extra mile to ensure our clients succeed.


Our Mission

At ZefSci, we do things differently. Our service goes beyond standard, with experienced engineers, rapid response times and support from real people. And we do whatever it takes to help our clients succeed.

Every ZefSci engineer brings 5-20+ years of field service experience & OEM technical expertise to our clients’ labs. This includes cross-training on a wide range of brands and instruments.

Based in Canada, India, Morocco and the United States, our global footprint allows us to serve labs throughout the world.

Sound like a fit? Send us a message using the form below or connect with us at We’d love to hear from you.

Compass that says mission

Our Benefits

Our employees enjoy a very appealing corporate culture, competitive pay, benefits and a supportive environment.

  • Health, dental and vision and insurance
  • Professional development and education
  • Paid holidays & vacation
Happy employee smiling at computer

Open Positions

  • Future Considerations General Careers

    ZefSci is always looking for talented personnel who are ready to commit to this dynamic industry.

  • Full Time Field Service Engineer

    Job description:

    Zef Scientific, Inc. requires a Field Service Engineer to perform services, repairs, maintenance, installations, and upgrades for laboratory equipment. This position focuses on Liquid Chromatography and Mass Spectrometry instruments in the following industries: Biotech, Pharmaceutical, Medical Diagnostic, Academia, and Cannabis.

    The candidate shall bring ZefSci hands-on field experience with the latest Liquid Chromatography and Mass Spectrometry technology, specifically focusing on Agilent, Shimadzu, and Sciex brand equipment. The ability to handle escalation calls and troubleshooting skills are important aspects of conducting high-level repair and maintenance for this specialized analytical equipment.

    This worker shall be based in Mississauga, Ontario, and will require travel to onsite locations to service our clients in the surrounding metropolitan Toronto, Ontario area with occasional travels to London Ontario.

    Service our clients in the metropolitan Toronto, Ontario and surrounding area and occasionally London, Ontario for repairs, maintenance, installations, upgrades, and support for LC/MS instruments.

    Provide training and guidance to laboratory end users and troubleshoot these systems when problems arise.

    Job Requirements

    Languages: English

    Education: College//CEGEP

    Experience: 6 years or more

    Transportation/Travel Information: Travel expenses paid by the employer, Public transportation is available, and Willing to travel

    Work conditions and Physical Capabilities: Fast-paced environment, Work under pressure, Tight deadlines, Attention to detail, Ability to distinguish between colors, Sound discrimination, Standing for extended periods

    Work location information: On-Site customer service, Various locations

    Personal Suitability: Organized, Team player, Values and ethics, Client focus, Effective interpersonal skills, Excellent oral communication, Excellent written communication, Initiative, Combined multi-disciplinary experience

    Additional skills: Assist in preparing estimates, schedules, specifications, and reports

    Area of Specialization: Testing, Troubleshooting, Installation, Repair, Installation and Services of Mass Spectrometers, Medical Equipment Sizing.

    Computer and Technology Knowledge:   MS Windows

    Equipment, Systems and Control Experience:

    • Medical and biomedical equipment and systems
    • Installing Refurbished Mass Spectrometers in pharmaceutical companies and Clinical Research Organizations
    • Providing training and guidance to laboratory end users and troubleshooting these systems when problems arise
    • Providing Agilent, Sciex and Shimadzu brand equipment support and training to other Service Engineers

    Provide Agilent brand equipment training to other Zef Sci Service Engineers servicing the metropolitan Toronto, Ontario surrounding are with occasional travels to London, Ontario.

    Specific Skills:

    • Install, maintain and service equipment of Sciex, Agilent and Shimadzu brand.
    • Assist in inspecting, testing and adjusting electronic parts and components;
    • Calibrate electronic equipment and instruments.
    • Conduct or supervise the installation, commissioning and operation of electrical and electronic equipment and systems,
    • Set up and operate specialized and standards test equipment to diagnose, test and analyze the performance of scientific instruments.

    Environmental working conditions:

    The work environment can be quite noisy because of laboratory equipment. Workers are provided earplugs

    Terms of employment:

    3 years work contract

    Benefits package:

    Complete Group Health Insurance Plan (Health, Dental & Vision) including Life, Dependent Life, AD & D and LTD

    Intended job posting audience: Anyone who can legally work in Canada can apply for this job. If you are not currently authorized to work in Canada, the employer will not consider your job application

    Please send your CV/Resume, by email ONLY to the attention of Patrizia Casazza


    Contact information:

    Zef Scientific Inc.

    3885 Industrial Blvd. Laval, QC H7L 4S3

    Attn to: Patrizia Casazza

    Sr. Human Resources & Administrator

    Tel: 514-685-1544 ext. 104