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Assistant Process Engineer Jobs in Brea, CA (NOW HIRING)

SpaceX

Process Development Engineer

Hawthorne, CA · On-site

$110K - $135K/yr

Experience building AI prompts/agents/workflows and using AI code assistants * Experience with AS ... Process Development Engineer/Level I: $100,000.00 - $115,000.00/per year Process Development ...

Kinetic Personnel Group

Downstream Process

Tustin, CA · On-site

Generate technical reports and present findings to cross-functional teams. Assist with technology ... Chemical Engineering Biochemistry Biology Biotechnology Biomedical Engineering Biochemical ...

Actalent

Manufacturing Engineer

Irvine, CA

$77K - $99K/yr

... process optimization, and standardization. * Assist in implementing best practices that enhance ... Apply process engineering principles to improve manufacturing processes and support high-volume ...

Ambrit Engineering

Process Technician

Santa Ana, CA

$28 - $34/hr

Join a Growing Injection Molding Team at Ambrit Engineering! We are a growing Southern California ... Can assist and coordinate daily activities of production workers engaged in operating plastic ...

STS Metals

MANUFACTURING ENGINEER

Santa Fe Springs, CA · On-site

$73K - $95K/yr

... processes into production. * Assist with process validation, capability studies, first article ... Communicate engineering requirements and process changes clearly to employees at all organizational ...

HITT Contracting

Preconstruction Manager

Los Angeles, CA · On-site

$110K - $159K/yr

... with stakeholders (developers, architects, subcontractors and HITT Operations) throughout design-assist process, including attendance at design meetings as a HITT representative during ...

Ambrit Engineering - USA

Process Technician

Santa Ana, CA · On-site

$28 - $34/hr

Join a Growing Injection Molding Team at Ambrit Engineering! We are a growing Southern California ... Can assist and coordinate daily activities of production workers engaged in operating plastic ...

Machina Labs

Manufacturing Engineer

Los Angeles, CA

$80K - $115K/yr

This role works closely with the Robotic Process Engineering team and Production Technicians to ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

Shimmick

Commissioning Engineer

Riverside, CA

$90K - $100K/yr

Axia offers electrical, instrumentation, and process controls expertise for water and wastewater ... Schedule and execute commissioning field activities. * Assist with the review of equipment ...

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Assistant Process Engineer information

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How much do assistant process engineer jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for assistant process engineer in Brea, CA is $26.39, according to ZipRecruiter salary data. Most workers in this role earn between $18.17 and $30.62 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an assistant process engineer?

To thrive as an Assistant Process Engineer, a solid background in chemical or process engineering, analytical problem-solving skills, and a relevant engineering degree are essential. Familiarity with process simulation software (such as Aspen HYSYS or AutoCAD), data analysis tools, and safety regulations is typically required. Strong teamwork, effective communication, and attention to detail help individuals stand out in this role. These skills and qualities ensure efficient process optimization, safe operations, and successful collaboration within engineering teams.

How much does an assistant process engineer get paid?

The average salary for an assistant process engineer ranges from $55,000 to $75,000 per year, depending on experience, location, and industry. Entry-level positions may start lower, while experienced assistants with specialized skills or certifications can earn higher wages. Salaries often include benefits such as health insurance and paid time off.

What does an assistant process engineer do?

An assistant process engineer supports the development, implementation, and optimization of manufacturing or chemical processes. They assist in data collection, process troubleshooting, and ensuring safety and quality standards are met, often using tools like process simulation software. This role typically requires technical knowledge, problem-solving skills, and familiarity with industry regulations.

What is the difference between Assistant Process Engineer vs Process Engineer?

AspectAssistant Process EngineerProcess Engineer
QualificationsBachelor's in Engineering or related field, some certificationsBachelor's or higher in Engineering, often with more experience
Work EnvironmentSupportive, entry-level, team-basedMore autonomous, project management responsibilities
ResponsibilitiesAssist in process design, data collection, troubleshootingDesign, optimize, and oversee manufacturing processes

Assistant Process Engineers typically support process development and troubleshooting under supervision, while Process Engineers take on more independent responsibilities in designing and optimizing processes. Both roles require similar educational backgrounds, but Process Engineers usually have more experience and autonomy in their tasks.

What are some common challenges faced by assistant process engineers, and how can they effectively overcome them?

Assistant Process Engineers often encounter challenges such as adapting to rapidly changing project requirements, troubleshooting unexpected process inefficiencies, and balancing multiple tasks under tight deadlines. To navigate these obstacles, it's important to develop strong problem-solving skills, maintain clear communication with senior engineers and cross-functional teams, and stay organized through effective time management. Proactively seeking feedback and learning from experienced colleagues can also help in building confidence and technical expertise, paving the way for career progression.
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Assistant Process Engineer jobs near you

Process Development Engineer

SpaceX

Hawthorne, CA • On-site

$110K - $135K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 23 days ago

SpaceX rating

8.8

Company rating: 8.8 out of 10

Based on 147 frontline employees who took The Breakroom Quiz

15th of 72 rated aerospace companies

Job description

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.
PROCESS DEVELOPMENT ENGINEER - BUILD RELIABILITY
The Process Development Engineer is responsible for developing and improving business processes and systems that enable SpaceX to design, build, launch, and reuse the most advanced rockets in the world. This engineer seeks to eliminate inefficiencies and constantly questions the status quo while improving data integrity and product reliability.
RESPONSIBILITIES:
  • Develop, implement, and continuously improve business processes and policies needed for nonconforming hardware management, configuration management, manufacturing and assembly, product traceability, rocket reusability and maintenance, and other critical business/production systems.
  • Develop business use cases and software requirements for improvements to our Enterprise Resource Planning (ERP) system.
  • Execute software tasks, potentially including writing scripts, front and back end development, and relational database querying.
  • Own ongoing support and improvement of developed software including technical debt, operational improvement, and new business process or logic implementation.
  • Create AI prompts, workflows, and/or agents that execute or supplement our internal processes and applications
  • Act as subject matter expert in multiple SpaceX processes and systems, enabling complex data gathering, troubleshooting, and problem solving.
  • Develop standardized metrics for the Production and Quality organizations.
  • Develop, review, and approve procedures ensuring completeness, accuracy, regulatory and customer compliance, and quality objectives.
  • Develop and execute training and communication plans during major process changes
  • Collaborate across disciplines including Engineering, Production, Test, Launch, Mission Operations, ERP, Supply Chain, Mission Management, Customer Contracts, and Management to ensure efficiency and consistency across the organization.

BASIC QUALIFICATIONS:
  • Bachelor's degree in an Engineering field
  • 2+ years of experience in a manufacturing or production environment

PREFERRED SKILLS AND EXPERIENCE:
  • Experience in a Quality Engineering or Industrial Engineering role
  • Experience supporting production of complex electro-mechanical systems in high volume work centers and/or during production ramp-up
  • Knowledge of lean and quality tools such as Process Mapping, Six Sigma, Root Cause Analysis and Corrective Action, Advanced Product Quality Planning (APQP), Metrology, Process Failure Mode and Effects Analysis (PFMEA), Control Plans, and various problem solving approaches
  • Knowledge of Statistical Analysis Tools such as Design of Experiments (DOE), Statistical Process Control (SPC), Analysis of Variance (ANOVA), Regression Analysis, and Minitab (or similar)
  • Project Management experience, particularly related to creating or overhauling cross-functional business processes in a manufacturing environment.
  • Knowledge of database structures and SQL
  • Experience with VBA, Python, .NET, Flask, Javascript, C#, RESTful API development
  • Experience with machine learning and other technical data science topics
  • Experience with version control, testing, build, and deployment of software systems
  • Experience building AI prompts/agents/workflows and using AI code assistants
  • Experience with AS 9100, ISO 9001, ISO/TS 16949, ISO 13485, or similar Quality Management System
  • Dedicated to adopting a Lean approach to quality without compromising safety or reliability

ADDITIONAL REQUIREMENTS:
  • Ability to work extended hours and weekends as needed
  • Must be willing to travel - up to 10%

COMPENSATION AND BENEFITS:
Pay range:
Process Development Engineer/Level I: $100,000.00 - $115,000.00/per year
Process Development Engineer/Level II: $110,000.00 - $135,000.00/per year
Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.
Base salary is just one part of your total rewards package at SpaceX. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short and long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks. You may also accrue 3 weeks of paid vacation and will be eligible for 10 or more paid holidays per year. Employees accrue paid sick leave pursuant to Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law.
ITAR REQUIREMENTS:
    Learn more about the ITAR here.

SpaceX is an Equal Opportunity Employer; employment with SpaceX is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
Applicants wishing to view a copy of SpaceX's Affirmative Action Plan for veterans and individuals with disabilities, or applicants requiring reasonable accommodation to the application/interview process should reach out to

What SpaceX employees say

Pay

Benefits

Hours and flexibility

Workplace

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About SpaceX

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Industry

Aerospace product and parts manufacturing, data services, guided missile and space vehicle manufacturing and satellite telecommunications

Company size

1,001 - 5,000 Employees

Headquarters location

Hawthorne, CA, US

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