Top 49 Junior engineer Jobs in Redwood City Ca

Junior Engineer, Bioreactors
Retro —Redwood City, CA
- $110,000 - $130,000 a year
- Full-time
- Software troubleshooting
- Continuous improvement
- Scripting
- Paid parental leave
- Paid holidays
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Junior System Engineer
AMAX —Fremont, CA
- $80,000 - $95,000 a year
- Full-time
- Computer science
- Computer Science
- Computer networking
- Commuter assistance
- Health savings account
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Junior-Mid Full Stack Engineer
Joinedapp —Palo Alto, CA
- Email
- English
- Mentoring
- Entry level
Junior Mechanical Engineer
InkSpace Imaging —Pleasanton, CA
- $75,000 - $90,000 a year
- Email
- Office
- US work authorization
- Organizational skills
- Health insurance
- Dental insurance
JR. AI ENGINEER
Revi —San Francisco, CA
- $130,000 - $170,000 a year
- Full-time
- Azure
- Computer Science
- Bachelor of Science
- Paid holidays
- Health insurance
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Junior Engineer
CONTEX Engineering International —Palo Alto, CA
- Communication skills
- Entry level
Intermediate/Junior Web Developer
Social Concepts —Redwood, CA
- Email
- Computer science
- Computer Science
- Bachelor of Science
Junior Software Engineer
NGUSoft —Santa Clara, CA
- Contract
- Hybrid work
- Entry level
Mechanical Engineer
Rhoda AI —Mountain View, CA
- Full-time
- Bachelor of Science
- Entry level
- Under 1 year
Jr. Product Test Engineer
Lewiz communications —San Jose, CA
- Linux
- Electrical Engineering
- Communication skills
Junior, Assistant, or Associate Engineer (20731250)
Marin Municipal Water District —San Francisco Bay Area, CA
- $9,039 - $14,714 a month
- Full-time
- Entry level
Junior Applied AI Engineer- HRIS
Fortinet —Sunnyvale, CA
- $105,000 - $140,000 a year
- Full-time
- Azure
- Computer Science
- SQL
- Paid holidays
- Disability insurance
Jr. AI Engineer
Vagaro —Pleasanton, CA
- $110,000 - $140,000 a year
- Full-time
- Azure
- Research
- Office
- Health insurance
- Dental insurance
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Field Application Engineer - New College Graduate 2026
NVIDIA —Santa Clara, CA
- $92,000 - $178,250 a year
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
Junior Software Engineer
Qcells —Santa Clara, CA
- Full-time
- Computer science
- Azure
- Computer Science
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Junior Quality Engineer
Foxconn Industrial Internet - FII —San Jose, CA
- $28 - $33 an hour
- Full-time
- Microsoft Excel
- Analysis skills
- US work authorization
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7h
Junior Software Engineer
Mechanize, Inc. —San Francisco, CA
- $300,000 a year
- Full-time
- AI
- Python
- Entry level
- Health insurance
- Dental insurance
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Junior Engineer Position
Murphy Burr Curry —San Francisco, CA
- $75,000 - $100,000 a year
- Full-time
- 5 years
- Microsoft Office
- Civil Engineering
- Commuter assistance
- Health insurance
Junior Solutions Engineer - SMB, Ads
TikTok —San Jose, CA
- $122,574 - $256,000 a year
- Computer Science
- System design
- Java
- Paid parental leave
- Paid holidays
Jr. Software Engineer
Lewiz communications —San Jose, CA
- Windows
- Linux
- Electrical Engineering

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Junior Engineer, Bioreactors

Retro -
Redwood City, CA

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Job Details

Full-time
$110,000 - $130,000 a year

Benefits

Paid parental leave
Paid holidays
Health insurance
Dental insurance
401(k)
401(k) 4% Match
Parental leave
Vision insurance
401(k) matching

Qualifications

Equipment service recordkeeping
Rapid prototyping
Practicing in a sourcing or procurement role
Engineering equipment malfunctions diagnostics
Instrumentation and control systems corrective maintenance
Equipment setup (production tasks)
Quality records maintenance
Software troubleshooting
Equipment sterilization
Cell culture
Procedural guides
Startup experience
3D printers
Mechanical Engineering
Machine troubleshooting
Engineering process optimization
Manufacturing automation
Electrical schematic reading and interpretation
Assembly fixtures
Biomedical Engineering
Process control instrumentation
Industrial equipment troubleshooting
Electronic parts
Electrical instrumentation
Laboratory staff training
Maintenance activity documentation
Microcontrollers
Mechatronics engineering
Policy & process development
Laboratory equipment repair

Full Job Description

Retro develops therapies for diseases driven by the biology of aging. We focus on cellular reprogramming and autophagy to rejuvenate cell and tissue function with the ultimate aim of adding 10 years to healthy human lifespan.

We’re building a mission-driven team of accomplished and kind individuals who embrace our startup culture of rapid iteration, transparency, and versatility.

We are hiring a new member of the team who will expand Retro’s capabilities by building, maintaining, and scaling custom bioreactor systems used for automated cell culture. This is a highly hands-on “builder” role at the intersection of precision assembly, fluidics, sensors, electronics, and automation. In this role, expect to be at the bioreactor—assembling hardware, improving designs, strengthening reliability, and enabling scientists to run more experiments confidently.

About you:

You are a hands-on engineer at heart—someone who loves building complex, reliable systems. You balance rigor and documentation with a bias toward unconventional approaches and rapid iteration.

You’ve likely worked in environments like precision manufacturing, instrument assembly, or hardware-heavy R&D where you were close to the hardware—not just designing it, but building it, debugging it, and improving it. Ideally, you have a track record of transforming prototype systems into closed, production-ready platforms, within cGMP environments.

What you’ll do in this role:

Assemble and maintain custom-built bioreactors producing cutting edge cell therapies (combination of fluidics, electronics).
Source and modify the right parts (fittings, electronics, fluidics) for bioreactor building and expansion.
Own pre-experiment setup readiness, including sterilization/autoclave workflows, sterile assembly, and end-to-end system preparation.
Develop repeatable build/assembly processes (fixtures, checklists, standards) to reduce setup time and variability across runs.
Troubleshoot and resolve hardware/software issues quickly (leaks, pressure/flow instability, sensor drift, electrical faults, controller errors).
Support in-experiment operations by monitoring sensors, pressure, weights, and media changes, and responding rapidly to deviations.
Implement and improve process monitoring and control strategies to maintain optimal cell culture environments.
Partner with process development scientists to integrate bioreactor systems into workflows and scale experimental throughput.
Train lab personnel on proper instrument use and best practices; update workflows and SOPs as systems evolve.
Produce and maintain rigorous documentation and records (maintenance logs, calibrations, QC checks, SOPs, and design documentation) to support internal knowledge sharing, regulatory submissions, and GMP transition.

You might thrive in this role if you have:

A degree in biomedical engineering, mechanical engineering, electrical engineering, mechatronics, or equivalent hands-on experience.
Proven experience building and assembling hardware systems (not only designing)—especially where precision and repeatability matter (instrumentation, precision manufacturing, hardware R&D, etc.).
Strong mechanical aptitude (comfortable reading manuals/schematics, diagnosing failures, working with fittings/tubing/fluid paths).
Comfort working across disciplines (fluidics, sensors, electronics, mechanical assemblies) and learning new skills quickly.
Great organizational skills and attention to detail—able to keep systems, logs, and procedures clean and reliable in a fast-moving lab environment.
A love of complex systems and machines, the ability to troubleshoot on the fly, and the desire to continuously improve processes.
Pride in your work - you don’t wait around for a work order when you notice a problem, you feel ownership of the labs’ well-being.

Bonus if you have:

Worked with bioreactors and/or automation equipment.
Worked with equipment in a GMP environment.
Experience sourcing parts and coordinating with vendors (e.g., McMaster-Carr and similar suppliers); ability to quickly find, evaluate, and procure the right components.
Basic programming or scripting skills for instrument control or data analysis.
Basic electronics skills (circuits, breadboards, microcontrollers, sensors, displays).
3D printing and rapid prototyping experience.
Worked in startup or “scrappy build” environments where requirements evolve quickly.

Total compensation also includes generous equity and benefits including:

Medical, dental, and vision insurance for you and your family
401(k) plan with 4% matching.
Flexible time off and 10 company holidays per year.
Paid parental leave.
Annual learning & development stipend.
Monthly Longevity stipend.
Daily Retro-sponsored lunch and snacks.
At Retro, we don’t use titles internally. New hires join as a “Member of X Team.”

We take pride in cultivating an environment that fosters collaboration, open communication, and authenticity. We believe that great results are best delivered by a highly creative team working in concert. We are an equal opportunity employer; we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We are diverse in background and singular in mission.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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Refine Your Search

junior engineer jobs in redwood city ca

Junior Engineer, Bioreactors

Junior System Engineer

Junior-Mid Full Stack Engineer

Junior Mechanical Engineer

JR. AI ENGINEER

Junior Engineer

Intermediate/Junior Web Developer

Junior Software Engineer

Mechanical Engineer

Jr. Product Test Engineer

Junior, Assistant, or Associate Engineer (20731250)

Junior Applied AI Engineer- HRIS

Jr. AI Engineer

Field Application Engineer - New College Graduate 2026

Junior Software Engineer

Junior Quality Engineer

Junior Software Engineer

Junior Engineer Position

Junior Solutions Engineer - SMB, Ads

Jr. Software Engineer

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