Mechanical Assembler

Kelly Services; South San Francisco (CA); On-site; USD 37,000 - 59,000; Full time

Benefits offered by this job

Temp-to-Hire

Full‑time hours 9:00–5:00

Job summary

Kelly Engineering seeks a Mechanical Assembler in South San Francisco to join a growing team building construction robots and heavy‑duty equipment. You will read blueprints, assemble mechanical and electro‑mechanical components, and verify tolerances using precision tools.

The role requires hands‑on problem‑solving, attention to detail, and the ability to lift 25–50 lbs in a fast‑paced manufacturing setting. This is a full‑time, on‑site position with potential for temp‑to‑hire.

Qualifications

• 1+ years of mechanical assembly experience, preferably involving manufacturing, heavy equipment, robotics, or electro‑mechanical products.
• Strong mechanical aptitude and hands‑on problem‑solving ability.
• Comfortable using hand tools, power tools, and basic measurement equipment.
• Ability to read and understand blueprints, technical drawings, and assembly instructions.
• Strong attention to detail and commitment to quality.
• Ability to stand, bend, reach, and lift 25–50 lbs. as needed.
• Comfortable working in a hands‑on, fast‑paced manufacturing/shop environment.
• Ability to work effectively as part of a team.

Responsibilities

• Assemble mechanical and electro‑mechanical components including frames, brackets, panels, and actuators.
• Work from blueprints, assembly drawings, schematics, and written work instructions.
• Use hand and power tools to assemble, fasten, position, and adjust components.
• Measure components and verify fit, alignment, and tolerances using calipers, gauges, and other measurement tools.
• Install and route cables, hoses, and basic wire harnesses.
• Perform basic functional checks on completed assemblies and record results.
• Safely move and position larger components using appropriate lifting equipment.
• Keep the assembly area organized, clean, and ready for production.
• Track parts and communicate inventory needs to the appropriate team.
• Follow required safety procedures and report potential hazards.
• Identify opportunities to improve assembly processes, quality, and efficiency.

Skills

Mechanical aptitude

Problem solving

Hand & power tools

Blueprints reading

Detail oriented

Team player

Manufacturing environment

Tools

Calipers

Gauges

Measurement equipment

Job description

Mechanical Assembler

South San Francisco, California

Full-time hours 9:00 – 5:00

Temp-to-Hire

Targeted pay rate: $27-43/hr depending on qualifications

Kelly Engineering seeks a Mechanical Assembler to join our clients growing team building construction robots and other heavy‑duty equipment designed for real-world job sites. This is a hands‑on assembly position where you'll work from technical drawings, use a variety of tools, and help bring mechanical and electro‑mechanical systems together.

The ideal candidate has solid mechanical aptitude, pays close attention to detail, and enjoys building and troubleshooting physical equipment.

Responsibilities

• Assemble mechanical and electro‑mechanical components including frames, brackets, panels, and actuators.

• Work from blueprints, assembly drawings, schematics, and written work instructions.

• Use hand and power tools to assemble, fasten, position, and adjust components.

• Measure components and verify fit, alignment, and tolerances using calipers, gauges, and other measurement tools.

• Install and route cables, hoses, and basic wire harnesses.

• Perform basic functional checks on completed assemblies and record results.

• Safely move and position larger components using appropriate lifting equipment.

• Keep the assembly area organized, clean, and ready for production.

• Track parts and communicate inventory needs to the appropriate team.

• Follow required safety procedures and report potential hazards.

• Identify opportunities to improve assembly processes, quality, and efficiency.

What You’ll Need:

• 1+ years of mechanical assembly experience, preferably involving manufacturing, heavy equipment, robotics, or electro‑mechanical products.

• Strong mechanical aptitude and hands‑on problem‑solving ability.

• Comfortable using hand tools, power tools, and basic measurement equipment.

• Ability to read and understand blueprints, technical drawings, and assembly instructions.

• Strong attention to detail and commitment to quality.

• Ability to stand, bend, reach, and lift 25–50 lbs. as needed.

• Comfortable working in a hands‑on, fast‑paced manufacturing/shop environment.

• Ability to work effectively as part of a team.

Nice to Have Skills:

• Experience assembling industrial robots or automated equipment.

• Experience working in a prototype, R&D, or low‑volume build environment.

• Familiarity with electro‑mechanical components such as motors, sensors, cables, and wiring harnesses.

All applicants applying for this job opening must be legally authorized to work in the United States without sponsorship and are required to have US residency at the time of application.

As part of our promise to talent, Kelly supports those who work with us through a variety of benefits, perks, and work‑related resources. Please note: The following benefits reflect Kelly's general offerings. Eligibility may vary by assignment, location, and job type. Kelly offers eligible employees voluntary benefit plans including medical, dental, vision, telemedicine, term life, whole life, accident insurance, critical illness, a legal plan, and short‑term disability. As a Kelly employee, you will have access to a retirement savings plan, service bonus and holiday pay plans (earn up to eight paid holidays per benefit year), and a transit spending account. In addition, employees are entitled to earn paid sick leave under the applicable state or local plan. Click here (https://www.mykelly.com/help-support-working-with-kelly-us/#Benefits) for more information on benefits and perks that may be available to you as a member of the Kelly Talent Community.

Why Kelly Engineering?

Your engineering skills are in demand, but how do you find the right fit? Easy. At Kelly Engineering, our team creates expert talent solutions to solve the world’s most critical challenges. We connect you with leading organizations where you can collaborate on innovative projects, work with cutting‑edge technologies and accelerate your growth. Whether you prefer the variety and flexibility of short‑term projects or are looking for a long‑term opportunity, we’re here to guide you to the next step in your engineering career.

About Kelly

Work changes everything. And at Kelly, we’re obsessed with where it can take you. To us, it’s about more than simply accepting your next job opportunity. It’s the fuel that powers every next step of your life. It’s the ripple effect that changes and improves everything for your family, your community, and the world. Which is why, here at Kelly, we are dedicated to providing you with limitless opportunities to enrich your life—just ask the 300,000 people we employ each year.

Kelly is committed to providing equal employment opportunities to all qualified employees and applicants regardless of race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or any other legally protected status, and we take affirmative action to recruit, employ, and advance qualified individuals with disabilities and protected veterans in the workforce. Requests for accommodation related to our application process can be directed to the Kelly Human Resource Knowledge Center. Kelly complies with the requirements of California’s state and local Fair Chance laws. A conviction does not automatically bar individuals from employment. Kelly participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.

Kelly may use AI‑powered tools during the recruitment and hiring process. For full details, including how Kelly uses AI, your rights, and how to request a reasonable accommodation, visit the Recruitment Artificial Intelligence Notice (https://www.kellyservices.com/hubfs/myKelly/Resources/Employment_Policies/Recruitment-Artificial-Intelligence-Notice.pdf?hsLang=en) .

Kelly Services is proud to be an Equal Employment Opportunity and Affiliate Action employer. We welcome, value, and embrace diversity at all levels and are committed to building a team that is inclusive of a variety of backgrounds, communities, perspectives, and abilities. At Kelly, we believe that the more inclusive we are, the better services we can provide. Requests for accommodation related to our application process can be directed to Kelly’s Human Resource Knowledge Center. Kelly complies with the requirements of California’s state and local Fair Chance laws. A conviction does not automatically bar individuals from employment.