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State of Washington Classified Job Specification


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Class Code: 538H
Category: Science & Engineering


Perform journey-level engineering technician work designing, developing, modifying, constructing, installing, calibrating, testing, and repairing instruments, apparatus, and equipment within a scientific, instructional or engineering application.

Distinguishing Characteristics

Under general direction, independently perform journey-level engineering technician work under the direction of an investigator, engineer, or scientist such as designing and developing mechanical, agricultural, hydraulic, or pneumatic apparatus; designing complete systems; evaluating and recommending the purchase of instruments, apparatus, and equipment.

Typical Work

Working from requirements and specifications defined by investigators or scientists, design various apparatus such as data-acquisition system interfaces, robotic and numerical control tooling, or other mechanical, electro-mechanical, agricultural, hydraulic, pneumatic, or electronic devices; 

Design complete systems; design analog and/or digital interface(s) for pieces of equipment within the system; update as required; 

Perform skilled and precision machine tool work and assembly skills to construct instruments, apparatus and equipment; determine materials requirements; build using machine tools such as lathes, milling machines and drill presses, and hand tools such as soldering guns; gas, acetylene, and arc welders etc.; 

Evaluate and recommend the purchase, fabrication and/or modification of instruments, apparatus, and equipment;  

Install and test fabricated equipment for proper operation; adjust and calibrate to appropriate standards; troubleshoot and repair equipment malfunction(s) to system, board, or component level using diagnostic software as needed; prepare written documentation;

Assist investigators or scientists in the design or setup of experiments and acquisition of data; 

Instruct laboratory personnel in the design, fabrication assembly, operation, and/or maintenance of experimental apparatus and instruments;  

Order and maintain an inventory of commonly used tools and supplies; 

May direct the work of others; 

Perform related duties as required.

Legal Requirement(s)

There may be instances where individual positions must have additional licenses or certification. It is the employer’s responsibility to ensure the appropriate licenses/certifications are obtained for each position.

Desirable Qualifications

One year of experience as an Engineering Technician 1


Four years of experience as an engineering technician 

Equivalent education/experience.

Class Specification History

New Class: 3-7-73
Revise Class: 10-6-89
Revised new class code: (formerly 4746) effective July 1, 2007