Engineering Aide 3 pay range
State of Washington · class code 538O
- Class code
- 538O
- Salary range
- 53
- Pay unit
- Year
- State
- Washington
- The State of Washington published pay range for Engineering Aide 3 is $59,760 to $80,496 per year.
- Washington State Office of Financial Management (OFM) keys this classification as class code 538O.
- This is the range the plan authorises, not the salary of any individual employee.
Step progression
Washington State Office of Financial Management (OFM) assigns this class to salary range 53 in the General Service Salary Schedule. The range pays 13 steps; a step is normally earned on a periodic increment date, not negotiated.
| Basis | A | B | C | D | E | F | G | H | I | J | K | L | M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Annual | $59,760 | $61,332 | $62,880 | $64,512 | $66,072 | $67,704 | $69,348 | $71,136 | $72,900 | $74,748 | $76,608 | $78,504 | $80,496 |
| Monthly | $4,980 | $5,111 | $5,240 | $5,376 | $5,506 | $5,642 | $5,779 | $5,928 | $6,075 | $6,229 | $6,384 | $6,542 | $6,708 |
| Hourly | $28.62 | $29.37 | $30.11 | $30.90 | $31.64 | $32.43 | $33.21 | $34.07 | $34.91 | $35.80 | $36.69 | $37.60 | $38.55 |
Steps as published. The monthly and hourly rows are the state's own, not conversions of the annual row.
Class specification
The OFM classified job specification for this class is published by Washington State Office of Financial Management (OFM). The passages below are quoted from it as published, not paraphrased, and cut to their opening sentences; the full specification is the authority on duties and qualifications.
What the state says the job is
Performs skilled sub-professional engineering work in field or office.
Examples of the work
(Civil, Field) Operates transit, dumpy level or theodolite in survey crew without direct supervision on fourth- and fifth-order accuracy work, or under direction of a professional engineer or licensed land surveyor or higher order work; supervises rodmen, chainmen, and other engineering aides; investigates hydraulic and water-right requests and makes recommendations; inspects actual use of streams as well as obstructions and needs for improvement; inspects park facilities before, during and after improvements; (Civil, Office) Under the direct supervision of a professional engineer, performs skilled drafting and computation work; works up detailed plans of special engineering projects, engine ...
Minimum qualifications
Four years of experience involving engineering techniques, two years of which must have been at a level comparable to Engineering Aide 2. College-level course work with major emphasis in engineering may be substituted, year for year, for the required experience. Equivalent education/experience. Selective Certification: Eligibles may be certified in accordance with their scores in examination specialty options upon request of the appointing authority.
Quoted from the OFM classified job specification, read 2026-10-21.
Where this comes from
Washington State Office of Financial Management (OFM) publishes this figure in Classified Job Listing joined to the OFM salary schedules effective July 1, 2026. Every number on this page is read from that document; nothing is estimated, modelled or averaged.
The dollar figures come from the salary schedule the listing assigns this range to.