Field Engineer Jobs in Illinois
Field engineer jobs in Illinois are in strong demand, with hiring concentrated in industrial automation, telecommunications infrastructure, and utilities across a market that runs from entry-level technicians through senior project engineers. Chicago, Rockford, and Peoria anchor most of the openings, and established employers like Siemens, Caterpillar, and Commonwealth Edison maintain consistent field engineering workforces in the state. The most sought-after specialties are power systems, network infrastructure, and heavy equipment commissioning. Find a role that fits below and apply directly.
Find Field Engineer JobsOverview
Showing 5 of 105+ Field Engineer jobs
Work Schedule
Standard (Mon-Fri)Environmental Conditions
Able to lift 40 lbs. without assistance, Laboratory Setting, Loud Noises (Equipment/Machinery), Office, Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.), Standing for full shift, Strong Odors (chemical, lubricants, biological products etc.), Various outside weather conditions, Will work with hazardous/toxic materialsJob Description
About Thermo Fisher Scientific
As part of the Thermo Fisher Scientific team, you'll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world's toughest challenges, like protecting the environment, making sure our food is safe or helping find cures for cancer.
Job Description
We are seeking a highly skilled, self-motivated Field Service Engineer III to support our Bulk Elemental Analysis business. In this role, you will independently install, maintain, troubleshoot, and repair sophisticated analytical instrumentation utilizing optical emission spectroscopy (OES), X-ray fluorescence (XRF), and X-ray diffraction (XRD) technologies. These instruments play a critical role in helping customers optimize production processes, ensure product quality, and maintain operational efficiency across industries such as metals, cement, and other industrial applications.
As an experienced Field Service Engineer, you will serve as a trusted technical resource for our customers, providing advanced troubleshooting, delivering exceptional service, and ensuring instrument reliability. You will have the opportunity to apply your technical expertise, build strong customer relationships, and contribute to continuous improvement within a collaborative global service organization.
What You'll Do
Technical Service and Troubleshooting
- Independently install, maintain, troubleshoot, repair, and support OES, XRF, and XRD instrumentation at customer locations.
- Diagnose and resolve complex electrical, electronic, mechanical, and instrument-related issues using systematic troubleshooting methodologies and available technical resources.
- Perform preventive maintenance, instrument calibration, performance verification, and applicable qualification activities to ensure optimal equipment operation.
- Identify root causes of recurring technical issues and implement effective corrective actions to improve instrument reliability and minimize customer downtime.
- Manage technical escalations and collaborate with internal specialists to resolve challenging instrument issues.
- Maintain and expand technical knowledge of supported products, applications, and evolving analytical technologies through ongoing training and professional development.
Customer Service and Relationship Management
- Serve as a primary technical point of contact for assigned customers, establishing trusted relationships through responsive, professional, and effective service.
- Clearly communicate technical findings, service recommendations, and resolution plans to customers and internal stakeholders.
- Provide customers with guidance and training on proper instrument operation, routine maintenance, and applicable safety practices.
- Collaborate with Technical Support, Sales, Applications, and Engineering teams to address customer needs and improve the overall service experience.
- Proactively identify opportunities to improve customer satisfaction, instrument performance, and service delivery.
Territory and Service Operations
- Independently manage assigned service activities, including scheduling, travel planning, customer communications, and prioritization of service requests.
- Respond to customer service needs in accordance with established service commitments and business priorities.
- Maintain accurate and timely service reports, technical documentation, parts usage, and customer records within designated service management systems.
- Manage assigned service parts, tools, and inventory to support efficient field operations.
- Fulfill service contract commitments and contribute to operational performance objectives, including responsiveness, service quality, productivity, and customer satisfaction.
- Perform all service activities in accordance with established company procedures, quality standards, and environmental, health, and safety requirements.
Technical Collaboration and Continuous Improvement
- Serve as a technical resource for colleagues by sharing troubleshooting knowledge, service best practices, and product expertise.
- Provide technical guidance, training, and mentoring to less-experienced Field Service Engineers as needed.
- Collaborate with Engineering, Product Support, and other internal teams to communicate recurring equipment issues, product performance concerns, and opportunities for improvement.
- Participate in continuous improvement initiatives focused on service efficiency, technical knowledge sharing, and the customer experience.
What You'll Bring
Education and Experience
- Minimum of 3 years of hands-on experience in field service, technical support, analytical instrumentation, or a related technical environment. Relevant military technical experience will be considered.
- Bachelor's degree in Science, Engineering, or a related technical field.
- Demonstrated experience troubleshooting, maintaining, or repairing complex electrical, electronic, mechanical, or analytical equipment.
- Experience working independently in a customer-facing technical service environment.
Knowledge, Skills, and Abilities
- Strong technical troubleshooting and analytical problem-solving skills, with the ability to diagnose complex equipment issues and implement effective corrective actions.
- Working knowledge of electrical, electronic, mechanical, and computer-controlled instrumentation systems.
- Ability to interpret technical manuals, electrical schematics, service documentation, and diagnostic information.
- Excellent customer service skills, with the ability to establish positive working relationships and communicate effectively with both technical and nontechnical audiences.
- Demonstrated ability to work independently, exercise sound judgment, and resolve technical challenges with minimal supervision.
- Strong organizational and time management skills, including the ability to prioritize multiple service requests across a geographically dispersed territory.
- Excellent written and verbal communication skills, including the ability to maintain accurate and timely service documentation.
- Proficiency with computers, Microsoft Office applications, and electronic service management or customer relationship management systems.
- Ability and willingness to learn new technologies, adapt to evolving business needs, and participate in ongoing technical development.
- Ability to collaborate effectively with customers, colleagues, and cross-functional teams.
Preferred Qualifications
- Hands-on experience servicing optical emission spectroscopy (OES), X-ray fluorescence (XRF), or X-ray diffraction (XRD) instrumentation.
- Experience supporting analytical instrumentation in industrial or production environments, including metals, mining, cement, or related industries.
- Experience troubleshooting complex systems involving electronics, mechanical components, vacuum systems, high-voltage components, or instrument control software.
- Experience providing technical guidance, training, or mentoring to customers or fellow service engineers.
- Familiarity with preventive maintenance programs, instrument calibration, root cause analysis, and technical service documentation.
Travel and Physical Requirements
- Ability and willingness to travel 75–100% within an assigned service territory and to other locations as business needs require, including overnight travel as necessary.
- Valid driver's license and driving record meeting company requirements.
- Ability to safely lift and carry up to 40 pounds on a regular basis.
- Ability to perform physical activities associated with field service work, including standing, walking, bending, kneeling, crouching, reaching, pushing, pulling, and repetitive movements.
- Ability to work safely in a variety of customer environments, including laboratories, manufacturing facilities, and industrial production settings.
- Commitment to following all applicable company and customer environmental, health, and safety procedures.
Compensation and Benefits
The hourly pay range estimated for this position based in Arkansas is $32.78–$49.16.This position may also be eligible to receive a variable annual bonus based on company, team, and/or individual performance results in accordance with company policy. We offer a comprehensive Total Rewards package that our U.S. colleagues and their families can count on, which includes:
A choice of national medical and dental plans, and a national vision plan, including health incentive programs
Employee assistance and family support programs, including commuter benefits and tuition reimbursement
At least 120 hours paid time off (PTO), 10 paid holidays annually, paid parental leave (3 weeks for bonding and 8 weeks for caregiver leave), accident and life insurance, and short- and long-term disability in accordance with company policy
Retirement and savings programs, such as our competitive 401(k) U.S. retirement savings plan
Employees’ Stock Purchase Plan (ESPP) offers eligible colleagues the opportunity to purchase company stock at a discount
For more information on our benefits, please visit: https://jobs.thermofisher.com/global/en/total-rewards
Work Schedule
Standard (Mon-Fri)Environmental Conditions
Able to lift 40 lbs. without assistance, Laboratory Setting, Loud Noises (Equipment/Machinery), Office, Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.), Standing for full shift, Strong Odors (chemical, lubricants, biological products etc.), Various outside weather conditions, Will work with hazardous/toxic materialsJob Description
About Thermo Fisher Scientific
As part of the Thermo Fisher Scientific team, you'll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world's toughest challenges, like protecting the environment, making sure our food is safe or helping find cures for cancer.
Job Description
We are seeking a highly skilled, self-motivated Field Service Engineer III to support our Bulk Elemental Analysis business. In this role, you will independently install, maintain, troubleshoot, and repair sophisticated analytical instrumentation utilizing optical emission spectroscopy (OES), X-ray fluorescence (XRF), and X-ray diffraction (XRD) technologies. These instruments play a critical role in helping customers optimize production processes, ensure product quality, and maintain operational efficiency across industries such as metals, cement, and other industrial applications.
As an experienced Field Service Engineer, you will serve as a trusted technical resource for our customers, providing advanced troubleshooting, delivering exceptional service, and ensuring instrument reliability. You will have the opportunity to apply your technical expertise, build strong customer relationships, and contribute to continuous improvement within a collaborative global service organization.
What You'll Do
Technical Service and Troubleshooting
- Independently install, maintain, troubleshoot, repair, and support OES, XRF, and XRD instrumentation at customer locations.
- Diagnose and resolve complex electrical, electronic, mechanical, and instrument-related issues using systematic troubleshooting methodologies and available technical resources.
- Perform preventive maintenance, instrument calibration, performance verification, and applicable qualification activities to ensure optimal equipment operation.
- Identify root causes of recurring technical issues and implement effective corrective actions to improve instrument reliability and minimize customer downtime.
- Manage technical escalations and collaborate with internal specialists to resolve challenging instrument issues.
- Maintain and expand technical knowledge of supported products, applications, and evolving analytical technologies through ongoing training and professional development.
Customer Service and Relationship Management
- Serve as a primary technical point of contact for assigned customers, establishing trusted relationships through responsive, professional, and effective service.
- Clearly communicate technical findings, service recommendations, and resolution plans to customers and internal stakeholders.
- Provide customers with guidance and training on proper instrument operation, routine maintenance, and applicable safety practices.
- Collaborate with Technical Support, Sales, Applications, and Engineering teams to address customer needs and improve the overall service experience.
- Proactively identify opportunities to improve customer satisfaction, instrument performance, and service delivery.
Territory and Service Operations
- Independently manage assigned service activities, including scheduling, travel planning, customer communications, and prioritization of service requests.
- Respond to customer service needs in accordance with established service commitments and business priorities.
- Maintain accurate and timely service reports, technical documentation, parts usage, and customer records within designated service management systems.
- Manage assigned service parts, tools, and inventory to support efficient field operations.
- Fulfill service contract commitments and contribute to operational performance objectives, including responsiveness, service quality, productivity, and customer satisfaction.
- Perform all service activities in accordance with established company procedures, quality standards, and environmental, health, and safety requirements.
Technical Collaboration and Continuous Improvement
- Serve as a technical resource for colleagues by sharing troubleshooting knowledge, service best practices, and product expertise.
- Provide technical guidance, training, and mentoring to less-experienced Field Service Engineers as needed.
- Collaborate with Engineering, Product Support, and other internal teams to communicate recurring equipment issues, product performance concerns, and opportunities for improvement.
- Participate in continuous improvement initiatives focused on service efficiency, technical knowledge sharing, and the customer experience.
What You'll Bring
Education and Experience
- Minimum of 3 years of hands-on experience in field service, technical support, analytical instrumentation, or a related technical environment. Relevant military technical experience will be considered.
- Bachelor's degree in Science, Engineering, or a related technical field.
- Demonstrated experience troubleshooting, maintaining, or repairing complex electrical, electronic, mechanical, or analytical equipment.
- Experience working independently in a customer-facing technical service environment.
Knowledge, Skills, and Abilities
- Strong technical troubleshooting and analytical problem-solving skills, with the ability to diagnose complex equipment issues and implement effective corrective actions.
- Working knowledge of electrical, electronic, mechanical, and computer-controlled instrumentation systems.
- Ability to interpret technical manuals, electrical schematics, service documentation, and diagnostic information.
- Excellent customer service skills, with the ability to establish positive working relationships and communicate effectively with both technical and nontechnical audiences.
- Demonstrated ability to work independently, exercise sound judgment, and resolve technical challenges with minimal supervision.
- Strong organizational and time management skills, including the ability to prioritize multiple service requests across a geographically dispersed territory.
- Excellent written and verbal communication skills, including the ability to maintain accurate and timely service documentation.
- Proficiency with computers, Microsoft Office applications, and electronic service management or customer relationship management systems.
- Ability and willingness to learn new technologies, adapt to evolving business needs, and participate in ongoing technical development.
- Ability to collaborate effectively with customers, colleagues, and cross-functional teams.
Preferred Qualifications
- Hands-on experience servicing optical emission spectroscopy (OES), X-ray fluorescence (XRF), or X-ray diffraction (XRD) instrumentation.
- Experience supporting analytical instrumentation in industrial or production environments, including metals, mining, cement, or related industries.
- Experience troubleshooting complex systems involving electronics, mechanical components, vacuum systems, high-voltage components, or instrument control software.
- Experience providing technical guidance, training, or mentoring to customers or fellow service engineers.
- Familiarity with preventive maintenance programs, instrument calibration, root cause analysis, and technical service documentation.
Travel and Physical Requirements
- Ability and willingness to travel 75–100% within an assigned service territory and to other locations as business needs require, including overnight travel as necessary.
- Valid driver's license and driving record meeting company requirements.
- Ability to safely lift and carry up to 40 pounds on a regular basis.
- Ability to perform physical activities associated with field service work, including standing, walking, bending, kneeling, crouching, reaching, pushing, pulling, and repetitive movements.
- Ability to work safely in a variety of customer environments, including laboratories, manufacturing facilities, and industrial production settings.
- Commitment to following all applicable company and customer environmental, health, and safety procedures.
Compensation and Benefits
The hourly pay range estimated for this position based in Arkansas is $32.78–$49.16.This position may also be eligible to receive a variable annual bonus based on company, team, and/or individual performance results in accordance with company policy. We offer a comprehensive Total Rewards package that our U.S. colleagues and their families can count on, which includes:
A choice of national medical and dental plans, and a national vision plan, including health incentive programs
Employee assistance and family support programs, including commuter benefits and tuition reimbursement
At least 120 hours paid time off (PTO), 10 paid holidays annually, paid parental leave (3 weeks for bonding and 8 weeks for caregiver leave), accident and life insurance, and short- and long-term disability in accordance with company policy
Retirement and savings programs, such as our competitive 401(k) U.S. retirement savings plan
Employees’ Stock Purchase Plan (ESPP) offers eligible colleagues the opportunity to purchase company stock at a discount
For more information on our benefits, please visit: https://jobs.thermofisher.com/global/en/total-rewards
See All 105+ Field Engineer Jobs in Illinois
Find roles in Illinois that match your experience and apply in just a few clicks.
Find Field Engineer JobsField Engineer Jobs by City in Illinois
Where Illinois roles are concentrated, by current openings.
Field Engineer Job Market in Illinois
A snapshot from current Illinois openings, updated as new roles post.
Who's Hiring
Top Industries Hiring
- Manufacturing
- Distribution & Wholesale
- Electronics & Hardware
- Science & Research
- Aerospace & Defense
What Illinois Employers Look For
The qualifications that appear most often in field engineer jobs across Illinois.
- Bachelor's degree in electrical, mechanical, or civil engineering from an accredited program
- Professional Engineer license issued or recognized by the Illinois Department of Financial and Professional Regulation preferred for senior roles
- Two or more years of hands-on field installation, commissioning, or maintenance experience
- Proficiency with technical documentation, schematics, and diagnostic testing equipment
- Valid driver's license and willingness to travel to customer or job sites across Illinois
- Strong written and verbal communication skills for coordinating with clients and internal teams
Field Engineer Jobs in Illinois: Frequently Asked Questions
How do you become a field engineer in Illinois?
Most field engineer roles in Illinois require at minimum a bachelor's degree in a relevant engineering discipline such as electrical, mechanical, or civil engineering. Engineers who provide public services or sign off on designs may pursue licensure through the Illinois Department of Financial and Professional Regulation, which administers the Professional Engineer exam. Entry-level candidates typically start in associate or junior engineer roles, gaining field experience before moving into independent field assignments.
Which companies hire field engineers in Illinois?
Employers hiring field engineers in Illinois right now include Emerson, Biesse, and Carrier, based on current listings on Migrate Mate as of November 2026. Illinois's concentration of manufacturing, utilities, and telecommunications companies means field engineers are in demand across both large corporations headquartered in the state and regional contractors supporting industrial infrastructure.
Which Illinois cities have the most field engineer jobs?
Chicago, Illinois, and Springfield account for the largest share of field engineer openings in Illinois. Chicago dominates due to its dense concentration of industrial, utility, and telecom employers, while Rockford and Peoria contribute significantly because of their manufacturing and heavy equipment sectors, where companies like Caterpillar maintain large operations requiring ongoing field engineering support.
Are there remote field engineer jobs in Illinois?
Yes, but they're rare. Field engineering is fundamentally a hands-on, site-based role, so most positions require a physical presence at customer locations, job sites, or facilities. About 54% of field engineer openings tied to Illinois are remote or hybrid as of November 2026, and those tend to involve the reporting, documentation, and technical support functions that can be handled off-site rather than active installation or commissioning work.
How can I get hired as a field engineer in Illinois with little or no experience?
The most realistic entry path is applying to associate or junior field engineer programs at large Illinois industrial or utility employers, where structured rotations provide supervised field exposure. Companies in Chicago's manufacturing corridor and Peoria's heavy equipment sector regularly bring on new graduates. Building hands-on skills through internships, earning an Engineer-in-Training designation through the Illinois Department of Financial and Professional Regulation, or moving laterally from a field technician or maintenance role strengthens a candidate's profile significantly.
Where can I find and apply to field engineer jobs in Illinois?
You can find and apply to field engineer jobs in Illinois on Migrate Mate, which lists current openings across the state. Find roles that fit your experience and specialization and apply directly to the employers posting them.
See All 105+ Field Engineer Jobs in Illinois
Find roles in Illinois that match your experience and apply in just a few clicks.
Find Field Engineer Jobs