Process Engineer - Mineral Processing
Hatch · Tucson, AZ
- Level
- Engineer
- Team
- Process
- Experience asked
- 65+ years
- Industry
- Industrial
- Posted
- Recently
The role in 30 seconds
An engineer-level process role at Hatch (industrial) in Tucson, AZ. Identify, scope and manage process test work (on site or laboratory based).
- They ask for
- 65+ years
Read from the posting. The full description is below.
From the plant jobs report · week of October 26, 2026
Process Engineer roles in Arizona: typical posted base $108k–$149k.
Median of the low and high ends of 8 live postings that list pay, out of 16 process engineer openings in Arizona, read from manufacturers' own careers sites.
Arizona plant jobs report →Pay by team and state →What moves pay →
How this role compares
Against 15 other live process postings in Arizona.
- Base pay
- Not listed in this posting
- Experience asked
- More than usual (65+ vs 4+)
Typical $108k–$149k, from 8 postings that list pay.
Similar roles usually ask 4+ years.
Skills these teams ask for most
- Root cause 56%
- DOE 38%
- SPC 31%
- ✓ Team leadership 31%
- Lean 25%
- Validation (IQ/OQ/PQ) 25%
✓ = this posting asks for it too. % = share of similar postings that mention 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 Hatch
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.
Full description from HatchAs posted on their careers site.ShowHide
requirements
- ✓Process scope definition and technology selection
- ✓Define the process design criteria
- ✓Define the process block flow diagram and unit operations
- ✓Compilation of Process Flow Diagrams, along with associated mass and energy balance calculations
- ✓Undertake trade off studies to resolve options
- ✓Identify, scope and manage process test work (on site or laboratory based)
- ✓Conduct capacity analysis for existing plants
- ✓Select the equipment for projects
- ✓Carry out engineering design calculations and equipment sizing calculations
- ✓Prepare specifications of process attributes for equipment, through compilation of process datasheets (or process input to general datasheets).
- ✓Compilation of Process Description
- ✓Design of the process control logic adhering to appropriate safety standards, and documentation into Functional Descriptions
- ✓Display full competence and independence in the compilation of P&IDs and all levels of control philosophies.
- ✓Ensure process specifications portray the appropriate information and design intent and review of equipment bids
- ✓Liaising with other discipline engineers to ensure designs conform to process
requirements
- ✓Contribute to hazard studies
- ✓Compile operating cost estimates including estimation of consumables, labor, maintenance materials and power
- ✓Provide input to capital cost estimates
- ✓Prepare well written proje
Show full description ↓Show less ↑
Process Engineer - Mineral Processing Job Details | Hatch
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- •Advisory
- •Corporate / Shared Services
- •Digital
- •Energy
- •Engineering
- •Environmental
- •Infrastructure
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Process Engineer - Mineral Processing
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Date: Oct 24, 2026
Location
Tucson, AZ, US
Company
Hatch
Job Category: Metals; Engineering; Mining
Location: Tucson, AZ, United States
Join a company that is passionately committed to the pursuit of a better world through positive change. With more than 65 years of business and technical expertise in mining , energy , and infrastructure , our 10,000 colleagues in 150 countries tirelessly work toward bettering the industries in which we operate. With practical solutions that are safe, innovative and sustainable, we think globally while acting locally. Are you looking for an opportunity to join a diverse group of professionals who are committed to remaining exceptional? We look forward to hearing from you.
If it isn't grown, it's mined. Our mining and metals teams help our clients to safely and sustainably mine the minerals and metals used in our everyday lives. Want to play a part of innovating and optimizing the mining life cycle on greenfield and brownfield facilities? Apply today!
The Senior Process Engineer will be part of an engineering team providing engineering services and/or field support. Client liaison and maintaining the focus of the project on achieving unprecedented and sustained business results for the client is a large part of the work.
The role will require the engineer to retain a high-level understanding of the project with respect to the environmental, community, business and financial aspects to guide the client and Project Manager’s decisions related to achieving the process objectives of the project.
The role will require the engineer to oversee, guide and develop solutions in all areas of the process plant across various systems, unit operations and process equipment. Specific tasks may include the development of process engineering deliverables; solutions to infield problems; and involvement in the execution and commissioning of these solutions.
The Senior Process Engineer may be required to act as Lead Process Engineer, on specific assignments, responsible for coordinating the process engineering team, oversee and guide the development of process engineering deliverables ensuring they meet the project’s scope, are delivered on schedule and budget, and meet Hatch’s quality standards. Experience in Concentrator design for various commodities is preferable, such as Gold, Lithium, Nickel, Copper, PGM’s, Copper, Lead, Zinc, Mineral Sands amongst others.
Include
- •Perform process engineering tasks on Minerals Processing projects, in a variety of commodities
- •When requested, act as Lead Process Engineer on projects or studies
- •Operate with full competence and independence in the execution of all design calculations, design criteria, in the compilation and execution of equipment lists and calculations.
- •Develop new criteria/calculations where required, maintaining high levels of accuracy. Provide frequent training, guidance and supervision to junior colleagues
- •Actively engage with clients to understand project