Sr. Process Design & Project Engineer

Tessenderlo Kerley, Inc. is a company of diverse businesses unified by shared values and vision. We serve the agriculture, mining, industrial and water reclamation markets with a broad range of products and technologies, worldwide. Serving these customers well is a passion and a commitment-one that the people of Tessenderlo Kerley find rewarding, empowering and meaningful.

If you want the work you do to make a positive impact on the world in which we live, and work alongside innovative, quality-focused people of vision, Tessenderlo Kerley is the right place for you.

Job Description

Are you the go-to process/design engineer when projects get complex? Step in as our Senior Design & Project Engineer in Phoenix and set the engineering standard across multiple plants – owning capital projects from concept through startup, mentoring a small team, and turning novel chemistries into safe, scalable operations.

Why Join Us?

Lead the Standard – Define and formalize best-in-class engineering practices to be used across multiple production plants.
Build What’s Next – Partner with R&D and agronomy to translate new chemistries into practical designs, pilots, and full-scale solutions.
Own the Lifecycle – Guide projects through FEP/FEL/FEED, redline P&IDs, model processes, and support safe, successful startups.
Mentor & Multiply – Lead a small team of engineers while collaborating with HSE, Operations, Project Services and Plant Managers.
Optimize at Scale – Troubleshoot plant upsets, debottleneck processes, and create reusable designs that lift performance company-wide.

What You’ll Do:

✅ Set and enforce Tessenderlo Kerley engineering standards, procedures and design practices (schedules, tools and policies).
✅ Drive new project/chemistry development with R&D; plan and run lab work, pilots and simulations/models.
✅ Lead scope development and estimates; execute/manage plant projects from FEP/FEL/FEED to handoff.
✅ Create, review, and redline P&IDs, spec sheets and equipment drawings; develop M&E balances and PFDs.
✅ Participate in HAZOPs and MOC/What-If reviews; ensure documentation aligns with HSE compliance.
✅ Troubleshoot chemistry/quality issues, process upsets and equipment failures; recommend optimization and debottlenecking projects.
✅ Mentor and train engineers; provide DCS instrumentation/hardware guidance and startup leadership.
✅ Build internal tools and monthly KPI reporting; support plant budgeting for CIP/major maintenance.

Qualifications

What You’ll Bring

✔ BS in Chemical Engineering.
✔ 10+ years in chemical manufacturing with a focus in sulfur chemistry.
✔ A proven record of implementing non-standard process solutions and reverse-engineering equipment.
✔ Strong independence and prioritization; excellent communication with cross-functional partners.
✔ A safety-first mindset, and experience leading HAZOP/MOC and startup best practices.
✔ Team leadership experience and the ability to influence across Operations, HSE and Project Services.

Role Details

Location: Phoenix, Corporate (Technical Services, Operations)
Travel: ~30% to plant sites and project locations

Additional Information

Why join Tessenderlo Kerley:

• Work/life balance
• Fun and rewarding environment
• Learning, development and teamwork
• Community involvement/outreach
• Challenging and meaningful work

Benefits & Rewards:

• Medical-Dental-Vision-Prescription (Low employee premiums!)
• 401(k) plan with dollar-for-dollar matching up to the first 5% of employee contribution
• 401(k) company retirement contribution at year-end, equal to 4% of annual base salary
• Short-term incentive awards based on measured performance criteria
• Life Insurance (2x annual base salary)
• Paid vacation and sick time, and 10 paid holidays per year
• Tuition Reimbursement: Up to $5,000 per calendar year (non-taxable)
• Adoption Assistance: Up to $7,500 in reimbursement assistance
• Paid maternity and parental time off
• Business Travel Life & Accident Insurance
• Flexible Spending Account
• Telemedicine program for you and your dependents
• Long-Term Disability insurance
• Company referral program

Tessenderlo Kerley is part of Tessenderlo Group, an industrial group that focuses on agriculture, valorizing bio-residuals, machinery, mechanical engineering, electronics, energy, and providing industrial solutions with a focus on water. With its headquarters in Belgium, the group is active in over 100 countries, and it has a global team of more than 7,000 employees. Its belief that “Every Molecule Counts” is at the heart of the strategy of the group: Tessenderlo Group continually strives to valorize its products and processes to the maximum and to add value to everything it does. For more information about Tessenderlo Group, its people, and its brands, please visit

Tessenderlo Kerley, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.