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
  • 401K plans
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 Engineers

    We have open positions for field service engineers in MA, NJ, CA, TX, FL. If you have any Mass Spec and/or HPLC/UPLC field service experience please contact us.

  • Financial & Accounting Manager

    Job Title: Financial & Accounting Manager

    Location: Lake Forest

    Position Type: Full-time

    Reports to: our president

    Company Description:

    ZefSci, a wholly owned subsidiary of Shimadzu Scientific, Inc. a global manufacturer of analytical equipment, is seeking an experienced and motivated Financial & Accounting Manager to supervise and manage our accounting and finance departments and help drive our financial success.

    Job Summary:

    As the Financial & Accounting Manager, you will be responsible for the accounting and finance operations of the company. This includes maintaining & managing an adequate accounting system records, managing financial reporting, budgeting, and forecasting, as well as ensuring compliance with relevant laws and regulations. The ideal candidate will have strong leadership skills, a solid understanding of financial principles, and the ability to drive results.


    Manage and oversee the day-to-day operations of the finance and accounting department.

    Oversee finance operations control systems, transactions and policies/procedures.

    Prepare and analyze financial statements in accordance with GAAP.

    Maintain, manage and document accounting system’s policies and procedures.

    Manage and monitor cash flow, budget and forecast.

    Ensure Payroll entries and bank reconciliations are completed timely and correctly.

    Support Month-end, Quarter-end, Half Year-end and Year-end close process.

    Liaison with auditors to ensure appropriate monitoring of company finances is maintained

    Assist in J-Sox compliance under the guidance and instruction of Shimadzu Corporation in Japan

    Monitor and approve customer Credit applications.

    Ensure compliance with local, state and federal government reporting requirements, as well as tax fillings.

    Maintain and file business licensed in various states.

    Compilation of financial data of Subsidiaries with parent company.

    Manage relationships with external auditors, tax advisors, and other financial professionals.


    Bachelor’s degree in Accounting, Finance, or related field required; Master’s degree highly preferred.

    Certified Public Accountant (CPA) or Certified Management Accountant (CMA) designation required.

    Minimum of 10 years of experience in accounting or finance, with at least 5 years in a managerial role.

    Strong knowledge of GAAP and financial accounting principles.

    Knowledge of J-SOX compliance requirements

    Experience of reporting to a foreign parent company financial is a plus. Experience with Japanese company is highly preferred.

    Japanese speaking and writing is highly preferred.

    Proficiency in Microsoft Office Suite and accounting software (e.g., QuickBooks, SAP).

    Excellent analytical and problem-solving skills.

    Strong leadership and communication skills.


    Salary range: $115K-$135K


    Health, dental, and vision insurance

    401(k) retirement plan

    Paid time off