Entry Level Lab Jobs in Riverside, CA (NOW HIRING)

Job Summary

• This role involves assembling small, high‑precision medical devices (such as brain catheters) in a cleanroom or lab setting.
• Most work is done under a microscope using small hand tools.
• The company provides full training for entry‑level candidates and offers a path to permanent employment and career growth.
• NO EXPERIENCE NEEDED. COMPANY WILL TRAIN NEW HIRES ON THE JOB.

Work Schedule

• Monday–Saturday
• 5:00 AM start time
• Typically 10‑hour shifts
• Average 40–55 hours per week

Key Responsibilities

• Assemble very small medical device components following instructions and quality standards
• Work under a microscope for long periods
• Use small hand tools safely and accurately
• Follow cleanroom protocols, gowning, and safety rules
• Maintain accurate documentation and follow regulatory guidelines
• For R&D roles: work in lab settings and assist with pilot builds
• For line assistants: manage documentation, inventory, and work orders in ERP systems

Required Skills

• Strong attention to detail
• Ability to work under a microscope
• Comfortable with long hours and overtime
• Reliable attendance and strong work ethic
• Ability to follow instructions
• Willingness to learn regulated manufacturing processes

Nice to Have

• Experience in medical device or electronics assembly
• Cleanroom or lab experience
• R&D skills such as soldering, UV bonding, or using measuring tools
• Computer and ERP system experience

Why Join

• Entry‑level friendly with paid training
• Clear path to permanent employment
• Permanent employees receive full medical benefits, PTO, holidays, and 401(k)
• Supportive leadership and growth opportunities

Work Environment

• Cleanroom and laboratory setting
• Precision-focused, hands‑on work
• Team‑oriented and supportive culture

This is a Contract to Hire position based out of Irvine, CA.

The pay range for this position is $18.00 - $20.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Irvine,CA.

This position is anticipated to close on Aug 28, 2026.

Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. Aerotek is an Allegis Group company, the global leader in workforce and business solutions. To learn more, visit: Aerotek.com | 1-888-AEROTEK.

Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance:
Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):
We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.

We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meet their goals, skills, and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role in solving companies’ construction, manufacturing, and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are-everything spirit to the test as your career continues to grow.