Engineering Aide 4 pay range
State of Washington · class code 538P
- Class code
- 538P
- Salary range
- 55
- Pay unit
- Year
- State
- Washington
- The State of Washington published pay range for Engineering Aide 4 is $62,880 to $84,528 per year.
- Washington State Office of Financial Management (OFM) keys this classification as class code 538P.
- 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 55 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 | $62,880 | $64,512 | $66,072 | $67,704 | $69,348 | $71,136 | $72,900 | $74,748 | $76,608 | $78,504 | $80,496 | $82,440 | $84,528 |
| Monthly | $5,240 | $5,376 | $5,506 | $5,642 | $5,779 | $5,928 | $6,075 | $6,229 | $6,384 | $6,542 | $6,708 | $6,870 | $7,044 |
| Hourly | $30.11 | $30.90 | $31.64 | $32.43 | $33.21 | $34.07 | $34.91 | $35.80 | $36.69 | $37.60 | $38.55 | $39.48 | $40.48 |
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 highly-skilled sub-professional engineering work in field and office.
Examples of the work
Under the general supervision of a professional engineer, preplans, develops and drafts complete plans and specifications for major engineering projects, such as fish hatcheries complete with ponds, structures and all systems; marine ferry vessel modifications and repairs; hydraulic, mechanical and electrical; Under supervision, computes and designs steel, concrete and wood structures; prepares drawings for vessel modifications and repairs including general arrangements, hydraulic demands, losses and gradients, electrical loads, circuitry and services, and mechanical and electrical appurtenances and functions; computes costs and prepares specifications, invitations to bid, and contracts for ...
Minimum qualifications
Five years of experience applying engineering techniques, one of which must have been at a level comparable to Engineering Aide 3. College-level course work with major emphasis in engineering may be substituted on a year-for-year basis for up to four years of the required experience. Equivalent education/experience. Selective Certification: Eligibles may be certified in accordance with their scores in examination options (civil, field; civil, office; marine ferry vessels; architectural; mechanical; or cadastral) upon request of 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.