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Senior Process Engineer Jobs in Portland, ME (NOW HIRING)

Haley & Aldrich

Senior Civil Engineer 3

Portland, ME

We are currently seeking a Senior Civil Engineer 3 towork in a technical support role with highly ... Support the design development process, including preparing plans, details, specifications, and ...

Tt

Senior Structural Project Engineer

Portland, ME

$102K - $139K/yr

... process, lay the groundwork for a better, more resilient future. We provide support and ... Our Senior Project Engineersdon'tjust execute; they innovate, influence, and accelerate toward ...

VTG

Senior Equipment/Electronics Systems Engineer

Bath, ME · On-site

$94K - $178K/yr

Overview VTG is seeking Senior Equipment and Electronics Systems Engineers to lead hardware ... Familiarity with MIL-D-23140D, NAVSEA SHIPALT processes, and ship alteration documentation * CSSQT ...

Generac

Senior Staff Electrical Engineer

South Portland, ME · On-site

$161K - $217K/yr

Generac is hiring a Senior Staff Electrical Engineer (Level V) to provide technical leadership ... Develop new techniques, practices and processes utilizing new and existing technologies to enhance ...

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All JobsProcess Engineer JobsSenior Process Engineer JobsSenior Process Engineer Jobs in Portland, ME

Senior Process Engineer information

See Portland, ME salary details

$75.9K

$122.6K

$172.6K

How much do senior process engineer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for senior process engineer in Portland, ME is $122,587.00, according to ZipRecruiter salary data. Most workers in this role earn between $105,300.00 and $136,100.00 per year, depending on experience, location, and employer.

What is the difference between Senior Process Engineer vs Process Engineer?

AspectSenior Process EngineerProcess Engineer
QualificationsBachelor's or Master's in Engineering, often with 5+ years experienceBachelor's degree in Engineering or related field, typically 1-3 years experience
ResponsibilitiesLeading process improvements, mentoring, project managementSupporting process development, data analysis, assisting senior staff
Work EnvironmentDesign teams, manufacturing plants, R&D departmentsManufacturing facilities, engineering teams, operational support

Senior Process Engineers typically have more experience, leadership duties, and oversee complex projects, while Process Engineers focus on supporting process development and implementation. Both roles are essential in manufacturing and engineering industries, but the senior role involves greater responsibility and strategic planning.

What are the key skills and qualifications needed to thrive as a senior process engineer?

To thrive as a Senior Process Engineer, you need a strong background in chemical or process engineering, problem-solving skills, and typically a bachelor's or master's degree in a relevant field. Expertise in process simulation software (such as Aspen Plus or HYSYS), Six Sigma or Lean certifications, and familiarity with process control systems are highly valued. Outstanding analytical abilities, leadership, and effective communication set top performers apart in this role. These skills and qualifications are crucial for optimizing processes, ensuring safety and compliance, and leading teams to achieve operational excellence.

What does a senior process engineer do?

A Senior Process Engineer is responsible for designing, optimizing, and overseeing processes within manufacturing or production environments. They analyze workflows, troubleshoot issues, and implement improvements to increase efficiency, safety, and product quality. Senior Process Engineers often lead projects, mentor junior engineers, and collaborate with cross-functional teams to ensure operational excellence. Their expertise is vital in industries like chemicals, pharmaceuticals, oil and gas, and food processing.

How much does a senior process engineer earn?

A senior process engineer typically earns between $80,000 and $130,000 annually, depending on experience, industry, and location. They often have specialized skills in process optimization, project management, and may hold certifications like Six Sigma or PE licensure.

What are some common challenges senior process engineers face when working on cross-functional teams?

Senior Process Engineers often collaborate with professionals from various departments, such as operations, quality, and maintenance. A common challenge is aligning diverse priorities and communication styles to achieve shared project goals. Successfully managing these differences requires strong interpersonal and project management skills, as well as the ability to translate technical concepts for non-engineering colleagues. Regular meetings and clear documentation can help ensure everyone stays informed and engaged throughout the process.

What are the most commonly searched types of Process Engineer jobs in Portland, ME?

The most popular types of Process Engineer jobs in Portland, ME are:

What are popular job titles related to Senior Process Engineer jobs in Portland, ME?

For Senior Process Engineer jobs in Portland, ME, the most frequently searched job titles are:

What job categories do people searching Senior Process Engineer jobs in Portland, ME look for?

The top searched job categories for Senior Process Engineer jobs in Portland, ME are:

What cities near Portland, ME are hiring for Senior Process Engineer jobs?

Cities near Portland, ME with the most Senior Process Engineer job openings:

Senior Process Engineer jobs near you
Infographic showing various Senior Process Engineer job openings in Portland, ME as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 16% Part Time, 4% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $122,587 per year, or $58.9 per hour.

Senior Civil Engineer 3

Haley & Aldrich, Inc

Portland, ME • On-site

Full-time

Re-posted 4 days ago

Haley & Aldrich rating

8.8

Company rating: 8.8 out of 10

Based on 5 frontline employees who took The Breakroom Quiz

66th of 449 rated engineering

Job description

We are looking to add new talent to our growing team! We are currently seeking a Senior Civil Engineer 3 towork in a technical support role with highly skilled professionals on diverseproject teams in a dynamic environment. This is an excellent opportunity tojoin a growing group and company and get involved in a variety of projects fora diverse range of clients. This is a full-time position located in our Boston, MA, Rocky Hill, CT, Bedford, NH, or Portland, ME office.
DUTIES/RESPONSIBILITIES
In this position, you will:

  • Provide senior-level technical review of data collection, synthesis, and analysis using approved procedures consistent with the state of the practice in geothermal heating and cooling, or appropriate for their discipline in site remediation.
  • Assist in identifying technical issues and approaches for evaluation for specific projects and for broader application in the practice.
  • Be familiar with local, state, and federal regulations applicable to geothermal heating and cooling.
  • Serve as Project Manager to track project budgets and schedules, and provide mentoring to support staff involved in geothermal feasibility studies, field monitoring of drilling, pilot testing, geothermal exchanger installation, and sampling and analysis in connection with permitting, schematic design and detailed design development.
  • Support Construction Administration for the geothermal practice, including review of bids, submittals, practice questions and comments, and requests for information (RFIs).
  • Review and edit electronic and written documentation by others of project-related activities in the field and office.
  • Support the design development process, including preparing plans, details, specifications, and technical sections of project communications, work plans, and reports including interface with other technical disciplines supporting the built environment.
  • Perform work in accordance with company and client Health & Safety protocols.
  • Comply with the Guiding Principles and Code of Behavior articulated in our Company Charter.

SKILLS/EXPERIENCE
Minimum Skills and Requirements:

  • Minimum of Bachelor of science in civil, environmental, or mechanical engineering.  Master's degree in engineering or engineering management preferred.
  • Minimum 10 years of engineering consulting experience, including geothermal feasibility studies, design development. 
  • Experience with geothermal feasibility studies and design development and closed-loop hydronic and open pumping system designs is a plus.
  • Strong foundation in pipe hydraulics for pump sizing and geothermal borefield design.
    Professional Engineer license is required, or ability to obtain reciprocity within six months, in MA, NH, CT, ME, or NY.
  • Minimum of 5 years of project management experience, with a proven track record of meeting project outcome targets.
  • Excellent written and verbal communication skills.
  • Computer Skills - Strong computer literacy skills including proficiency in industry standard software; ArcGIS is a plus.
  • OSHA 40-hour HAZWOPER training preferred but not required.

The salary range for this position in Boston, MA is 110,000 - 127,000 annually. Actual compensation will be based upon a variety of factors such as education, related work experience, certificates, skills, and current market conditions. Haley & Aldrich reviews salary ranges each quarter to assess competitiveness with the market. 

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