Finishing – Composites Technician

The role

You will perform final surface preparation and detailing of composite components. This includes scarf repairs, sanding, fairing, and prepping surfaces for paint or bonding.

What you will do

• 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
• Follow procedures and track time on a tablet
• Use Partallfilm #10 and patch aide for repairs

Required qualifications

• 2+ years of experience in marine composite finishing, surfacing, or similar hands-on fabrication work
• Strong experience with sanding tools, fairing materials, and manual finishing techniques
• High attention to detail and patience for repetitive, fine-surface work
• Familiarity with epoxy-based fillers, primers, and surface prep chemicals
• Ability to read and interpret technical drawings and work instructions
• U.S. Person (citizen or permanent resident) required due to DoD-related work

Nice to have

• Ability to achieve Class A or near-Class A surface finishes
• Experience in marine composite surfacing
• Familiarity with MIL-SPEC or AS9100 quality standards
• Experience using DA sanders, longboards, and vacuum-assisted finishing tools
• Understand how to use Binks & MVP spray equipment
• Background in paint prep or bonded surface prep

Benefits

• Medical Insurance: Saronic pays 100% of the premium for employees and 80% for dependents
• Dental and Vision Insurance: Saronic pays 100% of the premium for employees and 80% for dependents
• Generous PTO and Holidays
• Paid maternity and paternity leave
• Competitive Salary with opportunities for performance-based bonuses
• 401(k) plan
• Equity options
• Basic life insurance
• Short- and long-term disability coverage
• Free lunch benefit
• Unlimited free drinks and snacks in the office

Before you apply

• Requires U.S. Person status (citizen, legal permanent resident, or certain protected classes of asylees and refugees)

About the company

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.