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Process Engineer Iii Jobs (NOW HIRING)

The Process Engineer III will be responsible for routine process engineering and design tasks for assigned projects based on specific and detailed instructions received from the assigned supervisor.

Engineer III Process

Downers Grove, IL · On-site

$106K - $149K/yr

The Process Engineer III will be responsible for routine process engineering and design tasks for assigned projects based on specific and detailed instructions received from the assigned supervisor.

Process Engineer III - Plasma Process & Hardware Development Location: Chaska MN or Chelmsford MA Position Summary The Process Engineer III is an experienced technical contributor responsible for the ...

Process Engineer III

Chaska, MN · On-site

$78K - $110K/yr

Process Engineer III - Plasma Process & Hardware Development Location: Chaska MN or Chelmsford MA Position Summary The Process Engineer III is an experienced technical contributor responsible for the ...

Process Engineer III

Scottsdale, AZ · On-site

$99K - $103K/yr

The Process Engineer III is a senior-level engineering professional responsible for leading high-impact process improvement initiatives, optimizing workflows, and implementing scalable, sustainable ...

The Process Engineer III is responsible for leading the design for a defined scope of a project such as an area or series of unit operations or systems. The Process Engineer III is responsible for ...

The Process Engineer III is responsible for leading the design for a defined scope of a project such as an area or series of unit operations or systems. The Process Engineer III is responsible for ...

The Process Engineer III is responsible for leading the design for a defined scope of a project such as an area or series of unit operations or systems. The Process Engineer III is responsible for ...

The Process Engineer III works with minimal supervision and uses originality, ingenuity and established procedures to design, develop and implement new technologies and processes in accordance with ...

The Process Engineer III is responsible for leading the design for a defined scope of a project such as an area or series of unit operations or systems. The Process Engineer III is responsible for ...

The Process Engineer III is responsible for leading the design for a defined scope of a project such as an area or series of unit operations or systems. The Process Engineer III is responsible for ...

The Process Engineer III is responsible for leading the design for a defined scope of a project such as an area or series of unit operations or systems. The Process Engineer III is responsible for ...

Core Engineering - Process Engineer III We are seeking a detail-oriented, observant, and self-motivated Process Engineer to join our dynamic team at Meta Reality Labs. The successful candidate will ...

Core Engineering - Process Engineer III . We are seeking a detail-oriented, observant, and self-motivated Process Engineer to join our dynamic team at Meta Reality Labs. The successful candidate will ...

The Process Engineer 3 (PE3) independently executes process engineering activities for FQT's technologies. This role encompasses managing engineering tasks from project conception through detailed ...

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Process Engineer Iii information

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$49.5K

$92K

$142.5K

How much do process engineer iii jobs pay per year?

As of Jul 27, 2026, the average yearly pay for process engineer iii in the United States is $92,018.00, according to ZipRecruiter salary data. Most workers in this role earn between $74,500.00 and $103,000.00 per year, depending on experience, location, and employer.

What is the difference between Process Engineer Iii vs Process Engineer Ii?

AspectProcess Engineer IiiProcess Engineer Ii
Required CredentialsBachelor's in Engineering, some certifications (e.g., Six Sigma)Bachelor's in Engineering, often entry-level certifications
Work EnvironmentManufacturing plants, chemical facilities, industrial settingsSimilar industrial environments, often supporting senior engineers
Employer & Industry UsageCommon in manufacturing, chemical, and oil & gas industriesSimilar industries, often with less project leadership responsibility

The Process Engineer Iii typically has more experience and takes on greater responsibilities than the Process Engineer Ii. They often lead projects, optimize processes, and require advanced certifications. The Process Engineer Ii usually supports process improvements under supervision, focusing on technical tasks. Both roles are vital in industrial settings, but the Iii level indicates a higher level of expertise and independence.

What are some common challenges a Process Engineer III might face when implementing process improvements?

As a Process Engineer III, you may encounter resistance to change from operators or other departments, especially when introducing new technologies or workflows. Balancing cost-efficiency with maintaining product quality and safety standards can also be challenging. Additionally, coordinating across cross-functional teams—such as production, quality assurance, and maintenance—requires strong communication and project management skills to ensure smooth implementation of process improvements. Staying up-to-date with industry regulations and best practices is crucial for long-term success.

What does a Process Engineer III do?

A Process Engineer III is an experienced engineering professional who designs, implements, and optimizes manufacturing or industrial processes. They analyze workflows, troubleshoot process issues, and develop solutions to improve efficiency, product quality, and safety. In addition to technical responsibilities, Process Engineer IIIs often lead projects, mentor junior engineers, and collaborate with cross-functional teams. Their work helps organizations reduce costs and ensure compliance with industry standards.

What are the key skills and qualifications needed to thrive as a Process Engineer III, and why are they important?

To thrive as a Process Engineer III, you need a solid background in chemical, mechanical, or industrial engineering, often supported by a bachelor's or master's degree and several years of industry experience. Proficiency in process simulation software (such as Aspen HYSYS or AutoCAD), statistical analysis tools, and knowledge of industry standards and regulatory requirements is essential. Strong problem-solving abilities, project management skills, and effective communication are vital soft skills for this role. These competencies are crucial to ensure efficient process optimization, regulatory compliance, and successful collaboration across multidisciplinary teams.
More about Process Engineer Iii jobs
What cities are hiring for Process Engineer Iii jobs? Cities with the most Process Engineer Iii job openings:
What states have the most Process Engineer Iii jobs? States with the most job openings for Process Engineer Iii jobs include:
Infographic showing various Process Engineer Iii job openings in the United States as of July 2026, with employment types broken down into 96% Full Time, 1% Part Time, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $92,018 per year, or $44.2 per hour.
Engineer III Process

Engineer III Process

Zachry Group

Downers Grove, IL

$106K - $149K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 8 days ago


Zachry Group rating

6.7

Company rating: 6.7 out of 10

Based on 63 frontline employees who took The Breakroom Quiz

64th of 80 rated construction


Job description

Zachry Group is seeking Process Engineer III candidates for our Downers Grove Engineering Design Center.  The Process Engineer III will be responsible for routine process engineering and design tasks for assigned projects based on specific and detailed instructions received from the assigned supervisor.

    Bachelor's Degree in Chemical Engineering
    6+ years of experience working as a Process Engineer within the Energy & Chemical Industries
    Experience in performing hydraulic analysis, heat and material balance calculations and relief system analysis
    Experience in sizing and rating pumps, vessels and exchangers
    Experience in PFD and P&ID development
    Experience in developing instrument lists and line lists
    Good Communication Skills (Active Listening, Verbal, and Written)
    Complex Problem Solving (STEM)
    Attention to Detail
    Judgment and Decision Making
    Experience with Process Engineering Computer Software
    Strong desire to learn
    Proven Leadership skills
    Ability to independently organize and prioritize work assignments and coordinate a variety of tasks, with ability to deal with conflicting priorities and deadlines.

PREFERRED QUALIFICATIONS
    Licensed Professional Engineer
    Experience as a Process Engineer in the refining, gas processing, chemical plant, food/beverage, corn wet milling, oilseed processing, decarbonization and/or energy transition industries.
    Experience participating in HAZOP/LOPA studies
PHYSICAL DEMANDS
Employee will be required to communicate in person, via telephone, email, manual dexterity, finger dexterity, multi limb coordination, oral expression, and comprehension. May be required to lift, carry and move objects safely.
WORK ENVIRONMENT
Will work in a general office environment. Capable of operating and functioning in a fast-paced work environment. Must possess a vision (corrected or uncorrected) that allows for clear visibility from a distance of 20 inches or less.

The above description covers the fundamental responsibilities of the Process Engineer III position. It shall not be construed as a complete listing of all miscellaneous, incidental or similar duties which may be required from day-to-day.

Zachry Group is dedicated in providing a Safe and Drug Free work environment; and is an Equal Opportunity Employer.

In accordance with Illinois Equal Pay Act, the expected salary range for this Illinois position, Process Engineer III is between $106,500 and $149,960 annually.   Actual pay will be adjusted based on experience, geographic location, and other job-related factors as permitted by law. 

This position Process Engineer III is eligible for participation in Zachry's Total Employee Rewards Program, which includes medical, dental, vision, life insurance, disability coverage, and other ancillary benefits. This position is also eligible for participation in the 401(k) Retirement Savings Plan.
 

#LI-JL1

    Responsible for developing process flow diagrams (PFD) and piping & instrumentation diagrams (P&IDs).
    Responsible for development of heat and material balance information using various commercial software.
    Assist with sizing and rating various equipment like pumps, horizontal and vertical vessels, heat exchangers, and air coolers.
    Responsible for performing hydraulic analysis and calculations for piping systems.
    Assist with design of relief system, flare header design, relief valve sizing and performing contingency analysis and flare header analysis.
    Participate in various client Process Hazard Analysis reviews (i.e. risk review, HAZID, HAZOP/LOPA).
    Independently evaluates, selects, and applies standard engineering techniques, procedures and criteria, using judgment in making minor adaptations and modifications.
    Present technical information to peers or other personnel for review.
    Analyze problems and take appropriate design actions to ensure project meets client expectations.
    Evaluate equipment and processes to ensure compliance with safety and environmental regulations.
    Estimate work hour effort requirements and be able to track and forecast budgets.
    May supervise, coordinate, and review work of a small staff of engineers.
    Other duties as assigned
 


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About Zachry Group

Sourced by ZipRecruiter

Zachry Group is America's pacesetter in turnkey construction, engineering, maintenance, turnaround and fabrication services in the power, energy, chemicals, manufacturing and industrial sectors. It works with customers to plan, build, and renew their most critical facilities, so they can achieve their immediate and long-term goals, all at the highest safety standards. Zachry Group operates 35 offices, and averages 20,000 employees working in more than 400 locations nationwide. Please visit www.zachrygroup.com for more information.

Industry

Construction

Company size

10,000+ Employees

Headquarters location

San Antonio, TX, US

Year founded

1924