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Senior Field Service Engineer Jobs in Brunswick, ME

Our scientists, engineers, field teams,consultantsand professionals collaborate across disciplines ... As a Senior Field Service Technician , you will be responsible for driving the implementation of ...

Eaton's ES AMER ESS division is currently seeking a Senior Field Service Representative ... Eaton has the largest and most experienced team of field services technicians and engineers in the ...

This Opportunity WSP is currently seeking a Senior Field Technician to join the team in our ... Interacts with client representative (supervisors, foremen, project managers, engineers, etc.) at ...

Senior Field Technician

Portland, ME · On-site

$76K - $90K/yr

This Opportunity WSP is currently seeking a Senior Field Technician to join the team in our ... Interacts with client representative (supervisors, foremen, project managers, engineers, etc.) at ...

Eaton has the largest and most experienced team of field services technicians and engineers in the industry, offering strong initial 3-4 week training and support for a successful career with Eaton.

Our scientists, engineers, field teams,consultantsand professionals collaborate across disciplines ... As a Field Service Technician , you will be responsible for implementation of our innovative water ...

Coordinates with engineers, scientists, and subcontractors to ensure field tasks are delivered ... senior field representative * Ensure accurate data collection, reporting, and integration with ...

Coordinates with engineers, scientists, and subcontractors to ensure field tasks are delivered ... senior field representative * Ensure accurate data collection, reporting, and integration with ...

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Showing results 1-20

Senior Field Service Engineer information

See Brunswick, ME salary details

$45.4K

$94.8K

$153.9K

How much do senior field service engineer jobs pay per year?

As of Aug 27, 2026, the average yearly pay for senior field service engineer in Brunswick, ME is $94,777.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,900.00 and $111,100.00 per year, depending on experience, location, and employer.

What does a senior field service engineer do?

A Senior Field Service Engineer is responsible for installing, maintaining, and repairing complex equipment and systems at customer sites. They often work with highly technical machinery, such as industrial automation systems, medical devices, or telecommunications equipment. In addition to hands-on technical work, they provide expert troubleshooting, train customers or junior engineers, and ensure that equipment operates according to manufacturer standards. Their role may also include documenting service activities and recommending system upgrades to improve reliability and performance.

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

To thrive as a Senior Field Service Engineer, you need advanced troubleshooting, mechanical and electrical expertise, and typically a degree in engineering or a related field. Familiarity with diagnostic tools, specialized maintenance software, and certifications such as CompTIA or OEM-specific credentials are commonly required. Excellent problem-solving abilities, customer service skills, and effective communication make someone stand out in this position. These skills ensure prompt and reliable equipment servicing, minimize downtime, and foster strong client relationships.

How does a senior field service engineer typically collaborate with clients and internal teams during complex technical projects?

Senior Field Service Engineers often serve as the primary point of contact between clients and their company’s technical teams. They are responsible for managing onsite installations, troubleshooting, and maintenance, while also relaying client feedback and requirements to engineering or product teams. Effective communication and coordination are essential, as these engineers frequently work alongside project managers, sales engineers, and customer support to ensure project success. Building strong client relationships and providing technical guidance is a key part of their role, especially when addressing unexpected issues in the field.

What is the difference between Senior Field Service Engineer vs Field Service Engineer?

AspectSenior Field Service EngineerField Service Engineer
CredentialsTypically requires more experience, advanced certifications, and sometimes specialized trainingEntry to mid-level certifications, less experience required
Work EnvironmentMore complex service tasks, troubleshooting, and customer trainingBasic installation, maintenance, and troubleshooting
Employer & Industry UsageUsed in industries like manufacturing, telecommunications, and medical equipmentCommon across similar industries, often as entry-level or mid-level roles

The main difference between a Senior Field Service Engineer and a Field Service Engineer lies in experience, complexity of tasks, and certifications. Senior roles involve more advanced troubleshooting, customer training, and often require more specialized skills. Both roles are vital in industries like manufacturing, telecommunications, and medical equipment, but the senior position typically demands a higher level of expertise and responsibility.

Infographic showing various Senior Field Service Engineer job openings in Brunswick, ME as of August 2026, with employment types broken down into 1% As Needed, 77% Full Time, 20% Part Time, and 2% Contract. Highlights an 91% Physical, 1% Hybrid, and 8% Remote job distribution, with an average salary of $94,777 per year, or $45.6 per hour.

Senior Field Service Technician

Portland, ME

$80K - $90K/yr

Full-time

Re-posted 14 hours ago


Job description

About Us

At Onterris, we build careers grounded in purpose,responsibilityand real-world impact.

"For Planet and Progress" is our north star that guides everything we do. We believe environmental responsibility and human progress are interconnected,interwovenand international. Our scientists, engineers, field teams,consultantsand professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive.

When you join us,you'renot just forging acareer,you'rejoining a movement. A movement for better thinking, smartersolutionsand lasting impact.

Together, we will advance our way of life and protect the integrity of our environment every step of the way.

As a Senior Field Service Technician, you will be responsible for driving the implementation of our innovative water and vapor treatment technologies in the field along with supporting the operations pilot demonstration units. This position will partner with Project Managers when jobs are awarded to review project scope of work, roles and responsibilities, and project safety. Additionally, this position will apply theory and principles of environmental engineering to modify, test, and operate equipment and devices used in the prevention, control, and remediation of environmental problems, including waste treatment and site remediation, under the direction of engineering staff or scientists. This position may assist in the development of environmental remediation devices.

The annual compensation range for this role is $80,000-$90,000 commensurate with experience, skills, and geographic location.

This position is based in Portland, ME.

A Day in the Life

Reporting to the Field Services Project Manager, this role will be responsible for a full range of activities including:

  • Leads and independently performs complex field engineering and technical activities, including equipment inspections, startup and commissioning support, fabrication progress evaluations, vendor and supplier site audits, construction inspections, field verification measurements, site assessments, troubleshooting, and comprehensive data collection efforts.
  • Serves as a technical lead in the field by coordinating with clients, contractors, vendors, and project teams to ensure compliance with project specifications, quality standards, safety requirements, and operational objectives.
  • Performs operations and maintenance (O&M) of various types of environmental treatment equipment including pumps, filters, tanks, pressure vessels, and other types of process unit operations.
  • Poses a general understanding of system hydraulics, mechanical operation/functionality and instrumentation/electrical control schemes
  • Support fabrication activities, as well as hands-on set-up of bench and pilot testing equipment
  • Executes piping/skid fabrication in the shop and field, troubleshoots and repairs mechanical and electrical system issues or failures
  • Collects samples using a variety of sampling methods and operates field monitoring equipment including but not limited to: PID/FID, pH, EC, DO, GEM, turbidity, water level, and LEL meters
  • Measures and records treatment operational data by carefully documenting monitoring and testing results on field forms and prepares field daily reports and data sheets
  • Conducts field monitoring, sampling, testing, and basic evaluations; maintains chain-of-custody documentation and regulatory sample handling protocols; and records inspection data in electronic spreadsheets and reports
  • Ensures proper labeling and handling of hazardous material and waste
  • Exercise safe work practices by following all Company safety rules and OSHA regulations, including attendance at all required safety training programs
  • Communicates promptly with Project Managers and various stakeholders to inform of site conditions and activities
  • Interacts with clients acting as a front-line representative of the company, presents a professional appearance, and wears appropriate PPE on job sites
  • Participate in the company's continuous improvement programs and provide support to team efforts
  • Keep up-to-date and current on industry trends by completing formal training
  • Perform other duties as assigned

Your Expertise and Skills

To perform this job successfully, individuals must be able to perform each duty and responsibility satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required.

  • High School Diploma or equivalent
  • 5+ years of experience performing mechanical/electrical troubleshooting, environmental collection, monitoring, sampling, testing and basic evaluation
  • Must possess a valid Class C driver's license with a clean driving record and have reliable transportation for travel to project and job sites.
  • NFPA70E Training or the willingness to complete.
  • Ability/willingness to travel up to 75%
  • Ability to complete and maintain HAZWOPER certification with the 40 hour HAZWOPER environmental health and safety class, and annual 8-hour refresher classes
  • Must have the ability to lift 50 pounds such as monitoring equipment and tools, with or without assistance
  • Proficient with Microsoft Office software
  • Be able to deliver and receive electronic documents
  • Ability to interface with cross-functional teams and all levels of personnel/management
  • Strong problem solving and analytical skills
  • Solid organization and time/project management skills
  • Effective verbal and written communication skills, must have legible handwriting
  • Able to work independently and manage multiple responsibilities (i.e. self-starter, self-motivated)

Preferred Qualifications

  • Familiarity with supervision of construction projects
  • Background in electrical, plumbing or other mechanical trades. Electrical background preferred.
  • Competence in HVAC, mechanical and electrical. .
  • Ability to operate systems via PLC SCADA.
  • Associate's Degree in Environmental Studies from an accredited university or a technical certification

Working Conditions

Physical Demands

While performing the in-office responsibilities of the job, the employee may be required to spend long hours sitting and using office equipment and computers, and is regularly required to sit, talk, and hear. The employee frequently is required to use hands and fingers to handle or feel.

While performing the out of office field responsibilities for the job, the employee will be required to travel up to 75% of the time. Typically out of state, Monday to Friday travel. There may be occasional multiple week operations stints which will be compensated with flexible off time during home periods. There may be occasional lifting (overhead, waist level) from floor of supplies and materials weighing no more than 50 pounds. The work may involve some bending, standing or walking.

Work Environment

Moderate exposure to environmental conditions that impact physical comfort such as temperature extremes while performing field work is possible.

Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. Guided by our mission to advance the way of life without compromising the integrity of our environment, we believe environmental responsibility and human progress are fundamentally connected. Our scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients' resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. For more information, visit www.onterris.com.

We are an equal opportunity employer and encourage applications from people of all backgrounds. We acknowledge that these experiences and perspectives help to enrich our teams and contribute to our ongoing success. We are committed to providing access and reasonable accommodation in our employment for all applicants. For US residents, click here to learn more.