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Biogas Process Engineer Jobs (NOW HIRING)

Koch Industries

Applications/Sales Engineer

Tulsa, OK · On-site

$95K - $117K/yr

... biogas, process flare and thermal oxidizer markets. This role is best suited for engineers who ... enjoy customer interaction, solution selling, proposal development, and commercial ownership rather ...

Koch

Applications/Sales Engineer

Tulsa, OK · On-site

$90K - $111K/yr

... biogas, process flare and thermal oxidizer markets. This role is best suited for engineers who ... enjoy customer interaction, solution selling, proposal development, and commercial ownership rather ...

BIOFerm

Technical Sales Engineer

Madison, WI · On-site

... process engineering, preferably within biogas, refining, petrochemical, or gas processing ... industries. * EIT or PE certification is a plus. * Knowledge of anaerobic digestion, biogas ...

Koch Industries

Technical Sales Specialist

Tulsa, OK · On-site

... biogas, process flare and thermal oxidizer markets. This role is best suited for those who enjoy ... Experience in applications engineering, technical sales, proposal development, process engineering ...

Hygear

Controls Engineer

Vancouver, WA · On-site

$100K - $115K/yr

Familiarity with process equipment and systems such as anaerobic digestion, biogas conditioning/upgrading, or gas handling systems. What You'll Do: As Controls Engineer, you'll own the controls scope ...

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Biogas Process Engineer information

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$142.5K

How much do biogas process engineer jobs pay per year?

As of Sep 12, 2026, the average yearly pay for biogas process engineer in the United States is $92,018.00, according to ZipRecruiter salary data. Most workers in this role earn between $74,500.00 and $103,000.00 per year, depending on experience, location, and employer.

What does a biogas process engineer do?

A Biogas Process Engineer is responsible for designing, optimizing, and overseeing the processes involved in converting organic waste into biogas through anaerobic digestion. They work on improving the efficiency, safety, and environmental impact of biogas production plants. Their tasks often include process modeling, equipment selection, troubleshooting, and ensuring compliance with regulations. Biogas Process Engineers collaborate with multidisciplinary teams to develop sustainable energy solutions and may also be involved in research and development of new technologies.

What are some typical challenges a biogas process engineer faces when optimizing plant performance?

Biogas Process Engineers often encounter challenges related to maintaining process stability, especially when feedstock quality varies or unexpected contaminants enter the system. Troubleshooting issues such as fluctuating gas yields, foaming, or equipment fouling requires a strong understanding of both biological and mechanical processes. Collaboration with operations staff, laboratory technicians, and maintenance teams is essential to identify root causes and implement practical solutions. Staying current with regulatory changes and new technologies also plays a key role in ensuring efficient and compliant plant operations.

What are the key skills and qualifications needed to thrive as a biogas process engineer, and why are they important?

To excel as a Biogas Process Engineer, you need a solid background in chemical, environmental, or mechanical engineering, often with a relevant degree and experience in renewable energy processes. Familiarity with biogas production technologies, process simulation software (such as Aspen Plus or BioWin), and environmental regulations is typically required. Strong problem-solving skills, attention to detail, and effective teamwork and communication abilities help professionals stand out in this role. These competencies are crucial for optimizing biogas systems, ensuring regulatory compliance, and driving innovation in sustainable energy solutions.

What is the difference between Biogas Process Engineer vs Biogas Plant Technician?

AspectBiogas Process EngineerBiogas Plant Technician
CredentialsEngineering degree, certifications in biogas or renewable energyTechnical diploma or vocational training in biogas systems
Work EnvironmentDesign, process optimization, project management in industrial settingsOperational, maintenance, troubleshooting on-site at biogas plants
Employer & IndustryRenewable energy companies, engineering firms, project developersBiogas plant operators, waste management companies

The Biogas Process Engineer focuses on designing, optimizing, and managing biogas production processes, often working on projects and system improvements. In contrast, the Biogas Plant Technician handles daily operations, maintenance, and troubleshooting of biogas systems on-site. Both roles are essential in the biogas industry but differ in responsibilities, qualifications, and work environment.

What are popular job titles related to Biogas Process Engineer jobs?

For Biogas Process Engineer jobs, the most frequently searched job titles are:

Infographic showing various Biogas Process Engineer job openings in the United States as of September 2026, with employment types broken down into 1% As Needed, 76% Full Time, 19% Part Time, 3% Contract, and 1% Nights. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution, with an average salary of $92,018 per year, or $44.2 per hour.

Biogas Compressor Technician

Bakersfield, CA • On-site

California Bioenergy LLC
Clean Energy Power Generation • 11 - 50 employees
Learn more about California Bioenergy LLCexternal

$40 - $46/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 5 days ago

Job description

 

Job Title: Biogas Compressor Technician

Department: Maintenance

Payroll Company Name: CalBio OpCo Personnel

Reports To: Director of Maintenance

Location: Kern

Hourly Pay Range: $40.00 to $46.00 per hour

Benefits: Standard CalBio benefits package is available: Medical, dental, vision, life insurance, 

401k with match.


COMPANY DESCRIPTION

California Bioenergy LLC (CalBio), founded in 2006, is one of the nation’s leading developers, owners, and operators of dairy digester projects. Working closely with our family dairy partners and agencies, including CARB, CDFA, CPUC, CEC, and the EPA, alongside affiliates Midwest Bioenergy, Northwest Bioenergy, and Southwest Bioenergy, we capture methane, a potent greenhouse gas, and beneficially use it to generate renewable natural gas (RNG) and electricity. Our projects reduce more than 1 million metric tons of CO₂e emissions per year, with a pathway to doubling these reductions over the next three years. A major use of CalBio RNG is as vehicle fuel; when truck fleets transition from diesel to natural gas, pollution emissions can drop by ~90%, delivering immediate air-quality benefits in communities such as California’s San Joaquin Valley and the L.A. Basin. These projects also help protect local air and water quality, create jobs, and provide new revenue and other meaningful benefits for our dairy partners.

 

POSITION OVERVIEW


Reporting to the Director of Maintenance, the Biogas Compressor Technician is responsible for performing skilled technical work to ensure that all anaerobic digester conditioning skids and upgrader compressor systems operate reliably and at peak performance. This position supports a facility that includes digesters, pumps, gas blowers, compressors, oxygen generators, condensers, chillers, and other related auxiliary equipment.


The Biogas Compressor Technician specializes in the operation, maintenance, repair, and troubleshooting of gas compression systems used to transfer, compress, and recover biogas and associated gases. This role ensures all compressor units and supporting components remain in “like-new” condition through preventative maintenance practices, timely diagnostics, and safe, efficient operation.


ESSENTIAL JOB RESPONSIBILITIES

 

  • Perform routine and preventive maintenance, inspections, and repairs on rotary screw and reciprocating compressors, as well as all ancillary equipment critical to biogas upgrading and compression operations.
  • Ensure all preventive maintenance tasks for compressors and support systems are accurately documented and scheduled within the CMMS to maintain consistent service intervals.
  • Provide operator training to ensure on-site personnel are capable of performing basic maintenance, repairs, and reconditioning of industrial compressors, biogas compression systems, and inline dryers.
  • Assist with installation, piping, commissioning, and startup of new compressors and air/gas drying systems.
  • Serve as the primary troubleshooting technician for both high-pressure and low-pressure compressor systems, diagnosing mechanical, electrical, and control-related faults.
  • Function as a field technician responsible for the complete maintenance, repair, and operational reliability of all company-owned compressor units.
  • Install, service, and maintain industrial-scale gas and air compressors used in anaerobic digestion and biogas upgrading processes.
  • Generate detailed repair work orders identifying equipment deficiencies, failure causes, and corrective actions required to restore compressors to optimal condition.
  • Collaborate closely with the Maintenance Planner to ensure appropriate levels of critical spare parts and consumables are stocked, reducing equipment downtime and improving operational readiness.

 

PERFORMANCE MEASUREMENT


Performance will be assessed 90 days after initial hire, and then annually after that. Plant Operations will be measured against plant operating efficiency, uptime (reliability), and cost expectations. The successful operator will be measured against adherence to company policy and ability to drive sustained efficiency through personal effort, communication, teamwork, and ability to leverage external resources.


QUALIFICATIONS

 

  • Experience in industrial maintenance, biogas processing, or related gas-handling operations is preferred. 
  • Relevant technical or operational experience may be supplemented with military training in mechanical, electrical, or equipment maintenance fields. 
  • Strong working knowledge of safety protocols, lockout/tagout procedures, and safe work practices in industrial environments. 
  • Ability to respond quickly and effectively to changing operating conditions, system alarms, and equipment performance issues. 
  • Proficiency in reading, writing, and communicating in English is required. 
  • Capable of reading and interpreting mechanical, electrical, and piping schematics for troubleshooting and repair activities. 
  • Skilled in analyzing equipment data, operating trends, and performance metrics to make sound recommendations on system conditions. 
  • Fundamental proficiency with Windows-based software, including Outlook, Word, and Excel, using either a PC or tablet.
  • tablet required


WORKING CONDITIONS

 

Work locations are industrial and agricultural, primarily outdoors in the central valley of California. Temperatures range from 40 deg F in the winter to 115 deg F in the summer. Limited exposure to hazardous materials and/or toxic fumes will require the use of approved personal protective equipment. Regular exposure to heat, noise, flammable materials, rotating equipment, and other conditions normally encountered in an industrial environment should be expected. California Bioenergy will ensure all applicable work rules and safety requirements are closely adhered to. This position will require heavy lifting (<50 lbs.) and/or climbing ladder and/or stairs.