---
title: 'Senior Process Engineer at Triumvirate Environmental'
canonical: 'https://feeny.ai/job/senior-process-engineer-triumvirate-environmental-casa-grande-w6rd1we8r4eg'
type: 'job'
last_seen: '2026-11-08'
---

# Senior Process Engineer at Triumvirate Environmental

- **Company:** Triumvirate Environmental
- **Location:** Casa Grande, AZ
- **Posted:** 2026-11-06
- **Last confirmed live:** 2026-11-08
- **Apply:** https://job-boards.greenhouse.io/triumvirateenvironmental/jobs/4727302006

## Job description

Senior Process Engineer

Triumvirate Environmental, one of the largest environmental services firms in North America, is seeking a Senior Process Engineer for our plant in Casa Grande, AZ.

The Senior Process Engineer leads the development, optimization, and technical support of treatment, recovery, and disposal processes at our hazardous waste facility. This role works independently on high-complexity process improvements, leads mid- to large-scale projects, and guides junior engineers. The Senior Process Engineer partners with operations, EHS, and quality teams to improve safety, throughput, and cost performance while keeping the facility in full compliance with federal, state, and local regulations.

Triumvirate Environmental provides leading organizations in the higher education, life sciences, healthcare, and advanced manufacturing sectors with diverse services and expertise to assist them with compliance management. At Triumvirate Environmental, we strive to WOW both our employees and our customers. Our unique culture fosters growth, development, education, and creativity.

This position reports to the Vice President of Disposal.

## Key Responsibilities

Process design and optimization

- Lead evaluation, design, and improvement of waste treatment processes such as neutralization, filtration, separation, stabilization, fuel blending, and thermal treatment.
- Analyze waste stream characteristics and set optimal treatment, blending, and feed strategies.
- Use process data to identify bottlenecks, reduce costs, and improve yield, efficiency, and reliability.
- Develop and drive new technology upgrades and commercialization efforts.

Operations support

- Provide expert technical support and lead troubleshooting of equipment and process upsets.
- Support new waste stream approvals by reviewing profiles, lab data, and compatibility.
- Develop and maintain SOPs, and work with supervisors to train operators.

Projects and equipment

- Lead capital projects from concept through design, specification, commissioning, and startup, within time, budget, safety, and environmental targets.
- Prepare and review P&IDs, process flow diagrams, mass and energy balances, and equipment specifications.
- Work with controls and instrumentation teams on process control improvements.

Safety and compliance

- Support compliance with RCRA, EPA, OSHA (including PSM where applicable), DOT, and state permit requirements.
- Lead process hazard analyses (HAZOPs), management of change (MOC), pre-startup safety reviews, and incident investigations.
- Help prepare permit modifications, regulatory reports, and agency inspection responses.

Leadership

- Mentor and guide process engineers and engineering interns.
- Serve as a technical resource for plant management and cross-functional teams.

Required Qualifications

- Bachelor’s degree in chemical, environmental, or mechanical engineering, or a related field.
- 10 years of process engineering experience, or 2 to 3 years in a senior process engineering role, in a regulated industry. Hazardous waste, chemical, or petrochemical experience is preferred.
- Strong working knowledge of RCRA and OSHA hazardous waste operations requirements.
- Hands-on familiarity with PLC/HMI and SCADA control system operated facilities
- Demonstrated skill in data analysis, mass and energy balances, and process troubleshooting.
- Ability to develop and review P&IDs and process documentation.
- Proficiency with Microsoft Office and engineering tools such as AutoCAD or process simulation software.
- Willingness to work in a plant environment and wear required PPE, including respiratory protection.
- Rotating on-call responsibilities as part of our Emergency Response team (optional)
- Must be eligible to work in the United States without future sponsorship
- Must have a reliable form of transportation
- Must be willing to consent to Motor Vehicle Record screening, criminal background check, pre-employment physical, and drug screen (inclusive of THC)
- Upon employment, you will be required to participate in a random drug screening program (inclusive of THC) as part of our company’s commitment to maintaining a safe and healthy work environment
- Must be able to lift 60 pounds on a regular basis
- Must be willing to work flexible hours within the work week (Monday through Friday)
- Must be able to report to designated office within 1 hour during Emergency Response rotating shifts
- The Senior Process Engineer frequently handles hazardous chemicals and biological waste and is responsible for putting on and taking off personal protective equipment. This role is considered safety-sensitive.

Preferred Requirements:

- Prior relevant industry experience
- Active HAZWOPER 24 or 40 hour certification
- Willingness to obtain Commercial Driver’s License (CDL)

#LI-Onsite

Besides Health, Dental and Vision Insurance, we contribute to a 401k, offer a generous tuition reimbursement program, TONS of safety training for some positions with opportunities for external trainings and certifications, Mentorship & Career Succession Planning, Relocation Opportunities, Auto/Home insurance discounts, pet assistance discount plans, discounted movie passes & more!

To learn more about our business, culture, and the exciting work that we are doing in the industry, find us on [LinkedIn,](https://www.linkedin.com/company/triumvirate-environmental/posts/?feedView=all)Instagram (@triumvirateenvironmental), or our [website](https://www.triumvirate.com/)!

Triumvirate Environmental is committed to a diverse and inclusive workplace. As an Equal Opportunity Employer (EOE), Triumvirate does not discriminate based on race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Individuals with Disabilities and Protected Veterans are encouraged to apply.

If you have a disability and need accommodation during the application and hiring process, please contact us at https://www.triumvirate.com/contact or call us at 888-834-9697.  The requirements listed above are representative of the knowledge, skill, and/or ability required. To view our California Privacy Notice and Policy, click https://www.triumvirate.com/hubfs/Triumvirate%20-%20CPRA%20Job%20Applicant%20Privacy%20Notice%20(Final%20Draft).pdf.

## About Triumvirate Environmental

## Company Overview
- **One-liner**: Triumvirate Environmental provides environmental services—including waste management, EHS consulting, and lab/facility services—to life sciences, healthcare, education, and advanced manufacturing organizations.
- **Entity Type**: Private (bootstrapped; no disclosed funding rounds)
- **Headquarters**: Somerville, Massachusetts, United States
- **Founded**: 1988
- **Founders**: Not publicly available

## Core Business
- **Primary industry**: Environmental Services
- **Target customers**: B2B; serves life sciences, healthcare, higher education, and advanced manufacturing companies
- **Mission**: “To build the most productive, long-term, customer-intimate environmental services firm by WOWing! each employee and each customer every day.” [triumvirate.com/careers](https://www.triumvirate.com/careers)

## Products & Services
- **Waste Management & Disposal**: Holistic waste management including hazardous, medical, and radioactive waste; innovative Red2Green program converts medical waste into plastic lumber. [triumvirate.com](https://www.triumvirate.com/)
- **EHS Consulting Services**: Turnkey environmental, health, and safety programs, staff augmentation, and site-specific projects. [triumvirate.com](https://www.triumvirate.com/)
- **Lab & Facility Services**: Spill cleanup, lab decontamination and moves, tank cleaning, wastewater system operation, and 24/7 emergency response. [triumvirate.com](https://www.triumvirate.com/)

## Market Standing
- **Valuation / Market Cap**: Not disclosed
- **Key Metric**: Annual revenue of $500M; headcount of 826 employees (+16.5% YoY, +155 people). [linkedin.com](https://www.linkedin.com/company/triumvirate-environmental)
- **Notable Investors / Partners**: Not publicly available (privately held, no external funding disclosed)
- **Growth Signals**: 30+ years of operation; 16.5% headcount growth; operations in 5 countries (Canada, Mexico, Puerto Rico, Switzerland, US); serves top-tier clients in regulated industries.

## Competitive Advantages
- **Customer intimacy**: Deeply tailored services per industry (healthcare, life sciences, education, manufacturing) with a focus on long-term relationships.
- **Comprehensive training**: 150 hours of training in the first year, plus management training and an online learning library. [triumvirate.com/careers](https://www.triumvirate.com/careers)
- **Safety-first culture**: Proven safety measures and regulatory compliance expertise reduce risk for clients.
- **Innovative programs**: Red2Green (recycled medical waste to lumber) differentiates waste disposal offerings.

## Strategic Focus
- Expanding sustainable solutions and recycling programs.
- Deepening presence in life sciences and advanced manufacturing.
- Investing in employee development through mentoring, tuition reimbursement, and clear career roadmaps.

## Why Work Here
- **Culture**: “WOW!” service mentality; fun activities like trivia nights, Halloween contests, volunteer outings, and annual company parties. [triumvirate.com/careers/our-culture](https://www.triumvirate.com/careers/our-culture)
- **Work model**: In-office/on-site roles at client locations; multiple recruiting hubs in the US (Somerville, Lowell, Cranston, New York, Philadelphia, Baltimore, Raleigh, Orlando, etc.) and Canada (Contrecoeur, QC).
- **Benefits**: Health/dental plans, flexible spending accounts, 401(k) with company contribution, tuition reimbursement, paid time off, health/wellness reimbursements, pet assistance, gym discounts. [triumvirate.com/careers](https://www.triumvirate.com/careers)
- **Career growth**: Entry-level programs (Environmental Specialist, Sales Development Rep, Corporate Management Trainee) with clear advancement paths to director, GM, and VP roles. [triumvirate.com/careers](https://www.triumvirate.com/careers)

## Sources
1. [triumvirate.com](https://www.triumvirate.com/)
2. [triumvirate.com/careers](https://www.triumvirate.com/careers)
3. [greenhouse.io](http://job-boards.greenhouse.io/triumvirateenvironmental)
4. [linkedin.com](https://www.linkedin.com/company/triumvirate-environmental)
5. [triumvirate.com/careers/our-culture](https://www.triumvirate.com/careers/our-culture)

## Other roles at Triumvirate Environmental

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