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Senior Process Engineer Jobs in Arizona (NOW HIRING)

Worley

Senior Process Engineer - US MMM

Mesa, AZ · On-site

$103K - $133K/yr

Worley is seeking an experienced Metallurgical Sr. Process Engineer to support the development and execution of mining and mineral processing facilities. The role focuses on process plant design ...

Quantum Computing Inc.

Process Engineer - H1

Tempe, AZ · On-site

Senior Process Engineer - H1 Location : Tempe, AZ Department : Operations Reports to : Director of Manufacturing Operations About Us Quantum Computing Inc. (QCi) (Nasdaq: QUBT) is an innovative ...

QCi

Process Engineer - H1

Arizona, LA · On-site

Senior Process Engineer - H1 Location: Tempe, AZ Department: Operations Reports to: Director of Manufacturing Operations About Us Quantum Computing Inc. (QCi) (Nasdaq: QUBT) is an innovative ...

QCi

Process Engineer - H1

Tempe, AZ · On-site

Senior Process Engineer - H1 Location: Tempe, AZ Department: Operations Reports to: Director of Manufacturing Operations About Us Quantum Computing Inc. (QCi) (Nasdaq: QUBT) is an innovative ...

ASM

Senior Process Engineer, Productivity

Phoenix, AZ · On-site

$103K - $133K/yr

As a Process Productivity Engineer at ASM, you will work with our customers as a system level expert focused on product support for new product development. This role will require 25-50% domestic and ...

ASM

Senior Process Engineer, Productivity

Phoenix, AZ · On-site

$103K - $133K/yr

As a Process Productivity Engineer at ASM, you will work with our customers as a system level expert focused on product support for new product development. This role will require 25-50% domestic and ...

ASM

Senior Process Engineer - Industry Experience

Phoenix, AZ · On-site

$103K - $133K/yr

As a Senior Process Engineer at ASM, you will work with semiconductor processing and analytical equipment to research, develop and optimize processes focused on oxidation, annealing, curing, Atomic ...

ASM

Senior Process Engineer - Plasma

Phoenix, AZ · On-site

$103K - $133K/yr

Ability to function in multi-disciplined fields (Process development, Hardware development and Metrology) Required Skills: PhD in Physics, Engineering (Chemical, Electrical, Mechanical, or related ...

ASM

Senior Process Engineer - Plasma

Phoenix, AZ · On-site

$103K - $133K/yr

... Process development, Hardware development and Metrology) Required Skills: • PhD in Physics, Engineering (Chemical, Electrical, Mechanical, or related fields), Material Science or Master degree with ...

Intel

Senior Process Engineer - Dry Etch

Phoenix, AZ

$103K - $133K/yr

Partner with key equipment and materials suppliers to develop enabling technology elements * perform process technology feasibility studies using theoretical simulations and practical engineering ...

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All JobsSenior Process Engineer JobsSenior Process Engineer Jobs in Arizona

Senior Process Engineer information

See Arizona salary details

$69.9K

$112.9K

$158.9K

How much do senior process engineer jobs pay per year?

As of Jun 9, 2026, the average yearly pay for senior process engineer in Arizona is $112,866.00, according to ZipRecruiter salary data. Most workers in this role earn between $96,900.00 and $125,300.00 per year, depending on experience, location, and employer.

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

AspectSenior Process EngineerProcess Engineer
QualificationsBachelor's or Master's in Engineering, often with 5+ years experienceBachelor's degree in Engineering or related field, typically 1-3 years experience
ResponsibilitiesLeading process improvements, mentoring, project managementSupporting process development, data analysis, assisting senior staff
Work EnvironmentDesign teams, manufacturing plants, R&D departmentsManufacturing facilities, engineering teams, operational support

Senior Process Engineers typically have more experience, leadership duties, and oversee complex projects, while Process Engineers focus on supporting process development and implementation. Both roles are essential in manufacturing and engineering industries, but the senior role involves greater responsibility and strategic planning.

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

To thrive as a Senior Process Engineer, you need a strong background in chemical or process engineering, problem-solving skills, and typically a bachelor's or master's degree in a relevant field. Expertise in process simulation software (such as Aspen Plus or HYSYS), Six Sigma or Lean certifications, and familiarity with process control systems are highly valued. Outstanding analytical abilities, leadership, and effective communication set top performers apart in this role. These skills and qualifications are crucial for optimizing processes, ensuring safety and compliance, and leading teams to achieve operational excellence.

What does a Senior Process Engineer do?

A Senior Process Engineer is responsible for designing, optimizing, and overseeing processes within manufacturing or production environments. They analyze workflows, troubleshoot issues, and implement improvements to increase efficiency, safety, and product quality. Senior Process Engineers often lead projects, mentor junior engineers, and collaborate with cross-functional teams to ensure operational excellence. Their expertise is vital in industries like chemicals, pharmaceuticals, oil and gas, and food processing.

What are some common challenges Senior Process Engineers face when working on cross-functional teams?

Senior Process Engineers often collaborate with professionals from various departments, such as operations, quality, and maintenance. A common challenge is aligning diverse priorities and communication styles to achieve shared project goals. Successfully managing these differences requires strong interpersonal and project management skills, as well as the ability to translate technical concepts for non-engineering colleagues. Regular meetings and clear documentation can help ensure everyone stays informed and engaged throughout the process.
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What job categories do people searching Senior Process Engineer jobs in Arizona look for? The top searched job categories for Senior Process Engineer jobs in Arizona are:
What cities in Arizona are hiring for Senior Process Engineer jobs? Cities in Arizona with the most Senior Process Engineer job openings:
What are popular job titles related to Senior Process Engineer jobs in AZ? For Senior Process Engineer jobs in AZ, the most frequently searched job titles are:
Senior Process Engineer jobs near you
Senior Process Engineer - US MMM

Senior Process Engineer - US MMM

Worley

Mesa, AZ • On-site

$103K - $133K/yr

Full-time

Posted 2 days ago

Worley rating

8.1

Company rating: 8.1 out of 10

Based on 29 frontline employees who took The Breakroom Quiz

123rd of 352 rated engineering

Job description

Worley is a global professional services company of energy, chemicals and resources experts headquartered in Australia.
Right now, we're bridging two worlds as we accelerate to more sustainable energy sources, while helping our customers provide the energy, chemicals and resources that society needs now.
We partner with our customers to deliver projects and create value over the life of their portfolio of assets. We solve complex problems by finding integrated data-centric solutions from the first stages of consulting and engineering to installation and commissioning, to the last stages of decommissioning and remediation. Join us and help drive innovation and sustainability in our projects.
Our business is growing and we need additional experienced people to join our team! The successful candidate will be planning, co-ordinating and managing the design, procurement, construction and commissioning of assigned large capital projects. Additionally, he/she will ensure clear agreement of client objectives and these objectives are met or exceeded and provide strong HSE leadership.
Purpose:
Worley is seeking an experienced Metallurgical Sr. Process Engineer to support the development and execution of mining and mineral processing facilities. The role focuses on process plant design, metallurgical performance and integration with site infrastructure, supporting projects from early studies through detailed engineering and commissioning.
The role is primarily office based and focuses on metallurgical process design, interpretation of metallurgical testwork, development of process criteria, and support of engineering deliverables across feasibility studies, detailed engineering, and project execution phases
This position plays a key technical role in delivering safe, operable and cost effective process plant solutions in line with Worley's Engineering Execution model.
This role is based at our Mesa, Arizona office and is a full-time opportunity.
Responsibilities:
  • Provide metallurgical and process engineering support for crushing, grinding, classification, flotation, leaching, thickening, filtration, and SX/EW circuits in line with project scope.
  • Analyze metallurgical, operating, and plant performance data to identify process improvement, optimization, and debottlenecking opportunities.
  • Review, interpret, and apply laboratory, pilot plant, and site metallurgical testwork data to flowsheet development, design criteria, and equipment selection.
  • Develop and maintain the process design basis, including metallurgical criteria, recovery targets, throughput assumptions, operating philosophy, and design margins.
  • Perform and validate metallurgical and process calculations, including mass balances, metal recoveries, energy and heat balances, and comprehensive water balances.
  • Develop and maintain metallurgical and process simulation models (e.g., MetSim or equivalent) to support flowsheet evaluation, equipment sizing, optimization, and trade-off studies.
  • Prepare, review, and support delivery of core process engineering deliverables including PFDs, P&IDs, metallurgical reports, calculation packages, equipment data sheets, and specifications.
  • Collaborate with process engineers and multidisciplinary teams (mechanical, piping, electrical, instrumentation, IS/automation, civil, and structural) to deliver integrated and constructible designs.
  • Provide metallurgical input to equipment sizing, package definition, vendor technical evaluations, and review of supplier data and documentation.
  • Accurately mark up process and metallurgical designs and calculation updates to support drafting and document control activities.
  • Ensure engineering deliverables align with project schedules, quality requirements, and EPCM execution frameworks.
  • Review technical work prior to issue to verify accuracy, compliance with standards, and fitness for purpose.
  • Support construction, commissioning, ramp-up, and performance testing through technical reviews, troubleshooting, and operational guidance.
  • Provide remote and occasional site-based commissioning and operational support to resolve metallurgical and process-related issues.
  • Assist in developing commissioning plans and performance testing criteria for metallurgical and process systems.
  • Identify, assess, and support mitigation of process-related technical, operational, and execution risks.
  • Prepare clear and concise metallurgical reports, technical memoranda, performance summaries, and study documentation.
  • Develop and maintain metallurgical accounting systems and reconciliation models to support design validation and operational assessments.
  • Ensure technical documentation is reviewed, approved, and issued in accordance with quality management systems.
  • Participate in HAZID, HAZOP, and process risk assessments, providing metallurgical input to hazard identification and mitigation recommendations.
  • Ensure metallurgical designs and operating philosophies comply with safety, environmental, statutory, and regulatory requirements.
  • Adhere to company engineering procedures, technical standards, quality plans, and safety policies.
  • Liaise with project managers, discipline leads, and stakeholders to align metallurgical scope with project objectives, scope, schedule, and budget.
  • Identify and manage risks associated with process design, metallurgical performance, equipment selection, and infrastructure interfaces.
  • Support management of schedule, cost, quality, and scope for assigned metallurgical and process engineering activities.
  • Conduct all client and stakeholder interactions in a professional, constructive, and respectful manner.
  • Communicate technical issues, design intent, and project progress clearly with internal and external stakeholders.
  • Coordinate with client and third-party discipline engineers to ensure compliance with project requirements and specifications.
  • Support relationship development and Worley brand representation through technical excellence and collaborative engagement.
  • Participate in site walkdowns, project meetings, design reviews, and incorporation of review comments.

Required Experience:
  • Bachelor's degree in Metallurgical Engineering, Mineral Processing, Chemical Engineering or equivalent.
  • 10+ years' Mining, Minerals & Metals industry experience with strong exposure to metallurgical process plants.
  • Proven experience delivering process engineering in an EPCM/Engineering Services environment.
  • Experience across conceptual studies, PFS, FS and detailed engineering, including commissioning support.
  • Strong understanding of process plant infrastructure interfaces and utilities.

Preferred Experience:
  • Experience in base metals and/or copper processing circuits.
  • Exposure to large-scale concentrators, hydrometallurgical or metallurgical processing facilities.
  • Experience supporting NI 43-101 / SK-1300 study inputs (process sections).
  • Site or operational experience is highly advantageous.
  • Familiarity with mining safety and environmental requirements.
  • Mining regulatory/MSHA certification and experience

Additional Skills:
  • An excellent verbal and written communication skills, with the ability to interact effectively with diverse clients.
  • A strong analytical and problem-solving abilities to address complex technical and operational challenges and,
    • Demonstrated leadership in managing critical projects with a focus on safety, efficiency and value optimization.
    • An ability to innovate and develop new processes or technologies to improve operational efficiency and environmental sustainability.

Moving forward together
We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation.
We're building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.
And we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology.
Whatever your ambition, there's a path for you here. And there's no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.
We're committed to building a diverse, inclusive and respectful workplace where everyone feels they belong, can bring themselves, and are heard. We provide equal employment opportunities to all qualified applicants and employees without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law.
Our policy is to conduct background checks for all candidates who accept an offer of employment with us.
Please note: No agency representation or submissions will be recognized for this vacancy.

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