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Cello Quality Assurance Technician

Johnson String Instrument
Waltham, MA Part Time
POSTED ON 9/10/2026
AVAILABLE BEFORE 1/8/2027

Job Description:

As part of the JSI Workshop, the Quality Assurance Technician ensures that our string instruments meet established standards for mechanical function and the quality of the player experience. The cello specialist inspects and play-checks both full-size and small fractional cellos across a range of grades and specifi cations. This position is primarily focused on the JSI rental fleet, with occasional participation in the evaluation of new products and entry-level sales instruments for our retail business.

This is a hands-on production role that requires consistency, attention to detail, and confi dent musicianship. The Quality Assurance Technician works closely with the JSI Workshop Luthier and Rental Fulfillment teams and collaborates across departments to support a positive experience for musicians and customers.

All roles within the JSI Workshop operate in accordance with established safety guidelines and shop efficiency standards, in alignment with the department’s production goals and objectives.

Key Responsibilities:

  • Inspect and play-check rental cellos for structural integrity, playability, and sound quality
  • Make minor adjustments to instruments as they are checked
  • Replace worn strings and accessories as needed
  • Return instruments to workshop staff as needed for further adjustment
  • Adhere to workshop standards for quality and productivity
  • Comply with safety regulations and maintain clean and orderly work areas
  • Assist with administrative and organizational projects and tasks as needed
  • Other duties as assigned by the manager

Skills and Qualifications:

  • Advanced cello playing ability is required; college-level experience preferred
  • Teaching and basic instrument maintenance experience preferred
  • Strong attention to detail
  • Excellent interpersonal and communication skills
  • Excellent organizational skills
  • Able to work largely unsupervised, as well as part of a team
  • Able to multitask and switch gears quickly in a fast-paced environment
  • Able to focus amidst a busy shop
  • Able to perform repetitive motions with hands, wrists, and arms

Corporate Social Responsibilities:

  • Promote a respectful and inclusive work environment through communication, collaboration, and teamwork
  • Demonstrate professionalism, accountability, reliability, and sound judgment
  • Maintain confidentiality when handling customer and company information
  • Participate in team meetings, training, and organizational initiatives
  • Contribute to a workplace culture where colleagues and customers feel valued and supported
  • Communicate in a timely and proactive manner, including sharing updates, raising questions, and identifying barriers to completing work
  • Uphold ethical standards and organizational values in all interactions and decision-making

Physical Work Environment:

  • While performing the duties of this job, the employee is regularly required to talk and hear
  • Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust focus
  • Able to sit for most of the day, but stand intermittently
  • Able to play instruments for several hours a day
  • Able to occasionally climb step stools with instruments in hand
  • Able to carry several instruments at a time
  • Able to work with sharp tools
  • Able to perform fi ne-detail work

This is a wood shop environment where the employee may be exposed to fumes or airborne particles. The noise level in the work environment may occasionally be loud. Work is performed in close proximity to other workshop staff and warehouse activities. Some tools are individually assigned, while others are shared. Occasional use of machine tools may be required. The JSI Waltham facility is climate-controlled.

Pay: $19.00 - $23.00 per hour

Expected hours: 20.0 – 25.0 per week

Benefits:

  • 401(k)
  • Dental insurance
  • Employee assistance program
  • Health insurance
  • Life insurance
  • Paid time off
  • Parental leave
  • Retirement plan

Experience:

  • Advanced or college level cello playing: 2 years (Required)
  • teaching and basic instrument maintenance: 1 year (Preferred)

Work Location: In person

Salary : $19 - $23

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