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.
Are you the engineer people rely on when projects get complex? Join Tessenderlo Kerley as a Senior Process Design Engineer based in Phoenix, AZ, where you’ll collaborate with plant operations and project teams to design, optimize and implement safe, efficient sulfur-based chemical processes. You’ll lead capital projects from concept through startup, mentor junior engineers, and help translate innovative chemistries into scalable production systems serving industrial and agricultural markets.
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 our R&D and agronomy teams 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, and develop M&E balances and PFDs.
✅ Participate in HAZOPs and MOC/What-If reviews, and ensure documentation aligns with HSE compliance.
✅ Troubleshoot chemistry/quality issues, process upsets and equipment failures, and 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.
What You’ll Bring
✔ BS in Chemical Engineering.
✔ 10+ years in chemical manufacturing with at least 4 years focused in sulfur chemistry.
✔ A proven record of implementing non-standard process solutions and reverse-engineering equipment.
✔ Strong independence and prioritization, and 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
Why join Tessenderlo Kerley:
Benefits & Rewards:
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.
Job Description and Duties Effective July 1, 2025, in accordance with the applicable Memorandum of Understanding, the Personal Leave Program 2025 (PLP 2025) was implemented. PLP 2025 requires each full-time employee in Bargaining Unit 15, and related Excluded, Exempt...
...which may include discharge planning/placement; and assisting with social assessments and treatment plan production and coordination as... ...required. Montana State License as a Licensed Clinical Social Worker ( LCSW ) or Licensed Clinical Professional Counselor ( LCPC )...
...Sushi Chef at Sunny's Sushi Are you a highly skilled and talented Sushi Chef? Do you have a passion for creating delicious and beautiful sushi dishes? If yes, we have an immediate opening for a Sushi Chef at Sunny's Sushi in El Paso! Sunny's Sushi is the Best Sushi...
...The AHA has two main offices located in Washington D.C. and Chicago. We are currently seeking a Coordinator Workforce & Organizational Development for our Chicago office. This position is a hybrid role (three days in the office two days working remote). Starting hourly...
Job Description Job Overview Come join our talented team of builders and manufacturers who are revolutionizing equipment made for the beekeeping industry! We are looking for reliable, detail-oriented team members to help us accomplish our mission of providing higher...