
Process Engineer
Sonoco · City of Industry, CA
- Level
- Engineer
- Team
- Process
- Base pay
- $93k–$104k
- Degree
- Required
- Industry
- Packaging
- Posted
- Yesterday
The role in 30 seconds
An engineer-level process role at Sonoco (packaging) in City of Industry, CA. Develop, test, implement, and sustain improvements to paper-making processes and operating procedures.
- They ask for
- degree required
- Tools it names
- Lean, Six Sigma, Kaizen, Root cause, Control plans, Automation
- Base pay
- $93k–$104k
Read from the posting. The full description is below.
From the plant jobs report · week of October 26, 2026
Process Engineer roles in California: typical posted base $120k–$171k. This one lists $93k–$104k.
Median of the low and high ends of 60 live postings that list pay, out of 98 process engineer openings in California, read from manufacturers' own careers sites.
California plant jobs report →Pay by team and state →What moves pay →
How this role compares
Against 97 other live process postings in California.
- Base pay
- About 32% below similar roles
- Experience asked
- Not stated
Typical $120k–$171k, from 57 postings that list pay.
Similar roles usually ask 5+ years.
Skills these teams ask for most
- ✓ Root cause 48%
- DOE 30%
- SPC 29%
- Validation (IQ/OQ/PQ) 24%
- Team leadership 21%
- New product launch 21%
✓ = this posting asks for it too. % = share of similar postings that mention it.
Stands out: this posting asks for Kaizen, which few similar roles mention. If you have it, lead with it.
At a glance
Pulled from the posting text. If it's not listed here, the posting didn't say.
How to get in at this plant
Five moves over a week or two. The first one takes ten minutes.
- 1
Pick 2–3 people on the Process team at Sonoco
Engineers who joined in the last year or two reply the most. Use the team search on this page to find them.
- 2
Send a short, curious note
One real question about their work. No favors yet. Each person gets a different note, written for this role.
- 3
Turn a reply into a short call
Questions worth asking about this team:
- What does a normal week look like on your team?
- Is the work mostly new product launches or sustaining existing lines?
- How much time do you spend on the floor versus at a desk?
- How did you land the job? What stood out in your interviews?
- 4
Apply with someone vouching for you
If the call went well, ask whether they’d pass your résumé to the hiring manager. Send your résumé link, apply that day, and let them know.
- 5
Bring proof to the interview
One page of before-and-after numbers from projects you led: scrap, OEE, cycle time, cost. Plant managers hire on results.
This plant: Sonoco in City of Industry
1 other open role at this site.
- Maintenance Millwright · Reliability · Technician
Full description from SonocoAs posted on their careers site.ShowHide
Responsibilities
- ◆Demonstrate visible leadership and personal accountability for workplace safety.
- ◆Incorporate safety and environmental considerations into process changes, equipment modifications, trials, and capital projects.
- ◆Evaluate processes and operating conditions to identify opportunities to reduce operational risk.
- ◆Work collaboratively with Operations and Maintenance to ensure process improvements do not compromise safe operating practices.
This position is located onsite in City of Industry, CA.
Required
- ✓Bachelor's degree in Engineering, Engineering Science, or a related technical discipline.
- ✓Two or more years of manufacturing experience.
- ✓Experience with paper-machine operations and troubleshooting.
- ✓Demonstrated analytical and problem-solving capability.
- ✓Ability to manage multiple projects and priorities.
- ✓Effective written and verbal communication skills.
- ✓Ability to work effectively with hourly employees, Operations, Ma
Show full description ↓Show less ↑
From a small family business to a multi-billion-dollar global company, Sonoco has been changing the face of products and packaging since 1899 — all while keeping the heart of “People Build Businesses” alive.
Our talented people are at the core of our growth, constantly reinventing the Sonoco wheel with brilliant solutions every year. Today we are a world leader in global packaging solutions with diversified operations in over 34 countries. We're extremely proud of our portfolio of brands, our achievements in sustainability and industrialization and the groundbreaking work accomplished by our people.
Reporting to the Complex Superintendent, the Process Engineer - Paper Mill provides technical leadership and engineering support for the paper manufacturing operation, with a primary focus on safety, quality, productivity, reliability, waste reduction, and continuous improvement.
This position works closely with Operations, Maintenance, Quality, vendors, and other technical resources to analyze production performance, troubleshoot process and equipment issues, optimize operating conditions, and implement sustainable improvements. The Process Engineer will also lead process-improvement initiatives and manage capital projects from development through installation, commissioning, and start-up.
Process Improvement & Optimization
- •Provide technical leadership for manufacturing control strategies and continuous process improvement.
- •Analyze production data and operating trends to identify opportunities to improve safety, quality, productivity, reliability, and cost.
- •Identify and eliminate sources of process variation, waste, scrap, downtime, and quality loss.
- •Develop, test, implement, and sustain improvements to paper-making processes and operating procedures.
- •Apply structured problem-solving and root-cause-analysis methods to recurring process and equipment issues.
- •Establish appropriate process controls and operating parameters to sustain improvements.
Paper Mill Technical Support
- •Provide day-to-day engineering support to Operations and Maintenance.
- •Troubleshoot paper-machine, process, quality, chemical, utility, and related manufacturing issues.
- •Develop a strong working knowledge of paper-machine processes, equipment capabilities, production performance, and key operating indicators.
- •Evaluate process testing and trial results and communicate findings and recommendations to Operations and plant leadership.
- •Support process design, equipment optimization, commissioning, and start-up activities.
- •Assist Maintenance with equipment reliability, troubleshooting, maintenance planning, and coordination with equipment manufacturers and technical service providers.
Continuous Improvement
- •Lead and participate in continuous-improvement activities using Lean, Six Sigma, Kaizen, Total Quality Management, and other structured problem-solving techniques as appropriate.
- •Facilitate cross-functional teams to identify root causes, develop countermeasures, and implement sustainable corrective actions.
- •Conduct process and mill audits to identify improvement opportunities and develop action plans.
- •Track results to ensure improvements achieve the expected operational and business benefits.
Capital Projects & Technology
- •Identify opportunities where new equipment, automation, instrumentation, or technology can improve mill performance.
- •Develop capital project justifications and authorization requests.
- •Manage assigned capital and process-improvement projects from scope development through installation, commissioning, and start-up.
- •Coordinate project activities with Operations, Maintenance, contractors, vendors, and equipment suppliers.
- •Support the transfer and implementation of proven technologies and best practices from other manufacturing locations.
Quality & Product Development
- •Work collaboratively with Quality, Operations, suppliers, and customers to improve existing paper grades and support development or qualification of new products and process changes.
- •Investigate process-related quality issues and identify corrective and preventive actions.
- •Develop process-control plans that support consistent product quality and sustainable long-term improvement.
- •Coordinate and evaluate chemical and process trials designed to improve paper-machine performance or product characteristics.
Standardization & Training
- •Develop and maintain standard operating procedures, process documentation, operating guidelines, and standard work instructions.
- •Manage and document engineering and process changes, ensuring process and control records remain current.
- •Work directly with operators and technicians to strengthen process knowledge and troubleshooting capability.
- •Develop or support technical training associated with process changes, new equipment, operating standards, and process improvements.
Safety & Environmental
