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Reliability and Field Service Careers - Guardian Reliability Services 
Grow your career while helping grow GRS.

Our reliability service positions are designed for individuals who want to learn, develop new skills, and make a meaningful impact—with opportunities to grow your skills while helping build and strengthen a company that’s growing right alongside you.
Open Positions
Guardian Reliability Services (GRS) supports industrial customers through proactive maintenance, condition monitoring, and reliability engineering.  
Read more about the full capabilities of Guardian Reliability Services here: Industrial Plant Reliability | Guardian Reliability Services


This career may be a great fit for you if you are currently a:
Reliability Manager or Reliability Engineer
Maintenance Supervisor or Maintenance Manager
Predictive / Preventive Maintenance Technician
Lubrication Specialist or Condition Monitoring Technician
Industrial Maintenance Technician with reliability experience

And you have experience with:
 Predictive/ preventive maintenance programs
Field service or industrial plant environments
CMMS, asset health monitoring, or root cause analysis
Reliability-centered maintenance (RCM), vibration analysis, lubrication, or ultrasound (not all required)

Your New Office: The GRS Mobile Work FleetAt Guardian Reliability Services, your “office” goes wherever the work takes you—and it’s purpose‑built to help you perform at your best.
Our GRS work vehicles are fully outfitted mobile offices, designed by technicians, for technicians. Everything you need is organized, accessible, and right at your fingertips—so you can focus on doing great work, not hunting for tools.

More Than a Vehicle—It’s Your Base of OperationsFrom the stocked workbench to the digital workstation, the GRS van is engineered to support reliability, productivity, and pride in your work. It’s not just transportation—it’s a mobile command center designed to help you succeed every day in the field.
Why Technicians Love the GRS Mobile Office:
All Your Tools, Perfectly Organized
Professionally racked and labeled tool storage
Dedicated workbenches with ample space for repairs and inspections
Secure drawers and bins so everything has a place—and stays there
Built‑In Laptop Workstation
Onboard workspace for documentation, reporting, and scheduling
Easy transition from hands‑on work to digital tasks
Comfort on the Road
Insulated interior with clean, well‑lit workspace
Mini fridge for beverages, lunches, and snacks
Thoughtful layout that feels like a real workspace—not just a van
Right‑Sized and Easy to Drive
Compact, maneuverable design—no oversized or cumbersome setup, No CDL required
Ideal for navigating job sites, city streets, and tight spaces

Technician Spotlight:At Guardian Reliability Services, the quality of our work in the field defines who we are, and Johnny Bradley continues to set that standard.
As a Tech III, Johnny has become a trusted leader in the installation of mobile auxiliary filtration systems. His work consistently reflects a high level of precision, attention to detail, and professionalism that customers immediately recognize.
 From system layout to final commissioning, Johnny approaches every install with a focus on long-term reliability, not just getting the job done. His ability to execute clean, well-thought-out installations in real-world conditions is what separates good from exceptional.
We regularly hear from customers who not only appreciate the performance of their new systems, but specifically call out Johnny’s professionalism, communication, and technical capability. That kind of feedback speaks volumes.
Johnny represents what Guardian is all about, delivering solutions that work, building trust in the field, and raising the bar for what customers should expect.

W+F Offers An Industry Leading Benefits Package Our incredible team is what makes us who we are. It is a top priority to offer a comprehensive and affordable benefits package to our team members and their families. 
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Medical, Dental, Vision, Prescription Combined Into One Affordable Package

Generous Time Off

401(k) (3% team member contribution = 7% employer contribution)

Paid Time For Charitable Volunteering

Career-long Learning Environment With Paid Training And Professional Development Throughout

Reliability Service Positions Build Reliability from the Ground Up with GRS
Join Guardian Reliability Services and become part of a team that keeps equipment running, customers confident, and industries moving—one reliable service call at a time.

Field Service Technician III

On-site

Longview, Washington, United States

Reliability Field Service Manager

On-site

Portland, Oregon, United States

Reliability Field Service Manager

On-site

Vancouver , Washington, United States

Reliability Field Service Manager

On-site

Longview, Washington, United States

Reliability Technician I

On-site

Billings, Montana, United States

Reliability Technician I

On-site

Longview, Washington, United States

Reliability Technician III

On-site

Billings, Montana, United States

Reliability Technician III

On-site

Longview, Washington, United States

Already applied? We’re looking forward to meeting you!
In the meantime, we invite you to explore our website and learn more about starting your career with GRS.
Visit the GRS Site

Don't see what you are looking for? Send us your resume and we’ll get in touch when we have an opening that matches your expectations.
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