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Finishing – Composites Technician

Saronic · Austin, TX

Posted Oct 7, 2026 · full time

Est. total comp~$110K–$157K

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From the posting

Saronic Technologies is a leader in revolutionizing autonomy at sea, dedicated to developing state-of-the-art solutions that enhance maritime operations through autonomous and intelligent platforms.

POSITION SUMMARY:

As a Finishing – Composites Technician, you will be responsible for the final surface preparation and detailing of composite components. This includes scarf repairs, sanding, fairing, and prepping surfaces for paint or bonding. You will work closely with other technicians and engineers to ensure every part meets strict cosmetic and dimensional specifications. Your craftsmanship directly contributes to the structural integrity and visual quality of our vessels.

KEY RESPONSIBILITIES:

- Perform surface finishing operations on composite parts, including wet layup, filling, sanding, spraying gelcoat and refining the surface.

- Mix and apply surface fillers, and gelcoat per process requirements

- Sand and smooth complex contours while maintaining tolerance and surface quality

- Identify and repair surface defects such as pinholes, delamination, or surface voids using tap tests

- Prepare parts for painting, bonding, or assembly through proper surface treatment

- Follow detailed work instructions, drawings, and engineering specifications

- Maintain cleanliness and organization in finishing areas; manage dust control systems

- Collaborate with the quality team to ensure finished parts meet visual and dimensional standards …

Excerpt from Saronic's public job board. Read the full posting.

Job inventory

Required 2 items

  • 2y

Experience: 2+ years of experience

Clearance and work authorization: US person (ITAR / export control)

Preferred none listed in the text we have

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About this listing. Pulled automatically from Saronic's public job board and refreshed daily; closed roles are removed. Mars Mining Co. is not the employer, does not take applications and does not screen candidates. Field and level labels come from the job title and can be wrong.

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About the pay figures (~): These are estimates. Yearly figures are estimated total comp ranges: the employer's posted pay range, or, with no posted pay, the median to 90th-percentile BLS wage for similar jobs, plus typical benefits and bonus, without stock. Hourly figures for internships and contract roles are posted rates or BLS hourly wage ranges. Figures outside the U.S. and for loosely matched titles are rough ballparks. How we estimate