Field Service Engineer (Onsite)

Date Posted:

2026-07-09

Country:

United States of America

Location:

US-AZ-PHOENIX-3405 ~ 3405 S 5th St ~ BLDG 3405

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of “U.S. Person” go here. https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

Step into a high‑impact role with Advanced Thermal Sciences (ATS), an RTX‑owned organization within the Collins Aerospace family, where your technical expertise supports the advanced systems that keep semiconductor manufacturing operations running at peak performance. As a Field Service Engineer, you will serve as the onsite face of ATS, taking ownership of installation, maintenance, troubleshooting, and optimization of complex electromechanical equipment used in fabrication environments.

This is more than a service role—you will act as a trusted technical advisor, ensuring equipment reliability, diagnosing issues, and delivering solutions that align with customer needs and operational requirements.

In this position, you will combine strong technical ability with leadership and customer engagement, while managing service execution in real world environments. With the possibility of travelling to multiple customer sites. You will gain exposure to a wide range of systems and challenges, including control systems and PLC diagnostics. If you enjoy solving complex problems, leading in the field, and making a direct impact on critical operations, visibility, and technical depth to grow your career.

This role values practical expertise and technical problem solving in real-world environments. While a degree is typically associated with a position of this level, we recognize that equivalent experience gained through hands-on work, technical training, or service-based roles can be equally impactful.

This is an onsite role with the primary work location in the North Phoenix/Deer Valley area of central Arizona.

What You Will Do:

• Perform on site field service including installation, operation, maintenance, repair, and removal of complex temperature control equipment to meet customer and company requirements
• Install, test, service, and calibrate equipment to ensure performance aligns with operating specifications and customer expectations
• Diagnose and resolve complex technical issues, providing clear recommendations and solutions to both internal teams and customers
• Conduct preventative maintenance and routine service activities to ensure equipment reliability and long-term performance
• Analyze product performance and support modifications, upgrades, and enhancements based on customer specifications and operational needs
• Serve as the primary on site representative, building strong relationships and ensuring a high level of customer satisfaction
• Ensure services are delivered in alignment with contract requirements, timelines, and expectations
• Coordinate technical services, logistics, provisioning, and system configurations to support customer operations
• Maintain and review equipment logs to identify trends, determine repair needs, and recommend effective solutions
• Basic computer literacy, including navigating Microsoft Office 360 and standard desktop applications
• Travel expected to support customer sites and business needs

Qualifications You Must Have:

• Typically requires a University Degree and less than 2 years prior relevant experience
• Demonstrated experience troubleshooting and servicing electromechanical equipment

Qualifications We Prefer:

• Strong customer facing communication skills with the ability to build relationships and represent the organization effectively
• Experience supporting or servicing industrial/commercial refrigeration systems
• Experience troubleshooting and diagnosing electrical control systems, including PLCs
• Experience performing hands-on diagnostics, troubleshooting, and repair of electromechanical systems in a field service or industrial environment
• Universal EPA certification
• OSHA 30-Hour General Industry certificate

What We Offer:

Some of our competitive benefits package includes: 

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Ovia Health, fertility, and family planning
• Adoption Assistance
• Autism Benefit
• Employee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• And more!

Learn More & Apply Now!​

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today. 

*Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. 

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.  

Apply now and be part of the team that’s redefining aerospace, every day.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 57,200 USD - 108,800 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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