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Mechanical System Engineer Jobs in Arizona (NOW HIRING)

Gtifabrication

Mechanical Engineer

Phoenix, AZ · On-site

$85 - $130/hr

Position Overview GTI is seeking a Mechanical Engineer to support the design and development of mechanical systems for modular infrastructure projects. This role works closely with senior engineers ...

SSOE, Inc.

Senior Mechanical Engineer

Phoenix, AZ · On-site

$130 - $160/hr

Lead mechanical system design for semiconductor tool installations: * Develop utility matrices ... Engineer critical process cooling and heating systems. * Design and oversee ultra‑pure water (UPW ...

RFA Engineering

Mechanical Engineer

Tucson, AZ · On-site

$65K - $85K/yr

Design and develop mechanical systems and components for engine installation and cooling applications. * Create and modify 3D CAD models, assemblies, drawings, and engineering documentation.

GTI Fabrication

Mechanical Engineer

Tempe, AZ · On-site

$85K - $130K/yr

Position Overview GTI is seeking a Mechanical Engineer to support the design and development of mechanical systems for modular infrastructure projects. This role works closely with senior engineers ...

Viavi Solutions

Sr. Opto Mechanical Engineer

Chandler, AZ · On-site

$102K - $135K/yr

Duties & Responsibilities: Sr. Opto-Mechanical Engineer Advanced Optical Development Group SUMMARY ... We make equipment, software, and systems that help to plan, deploy, certify, monitor, and optimize ...

Viavi Solutions

Sr. Opto Mechanical Engineer

Chandler, AZ · On-site

$102K - $135K/yr

Duties & Responsibilities: Sr. Opto-Mechanical Engineer Advanced Optical Development Group SUMMARY ... We make equipment, software, and systems that help to plan, deploy, certify, monitor, and optimize ...

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Showing results 41-60

All JobsMechanical System Engineer JobsMechanical System Engineer Jobs in Arizona

Mechanical System Engineer information

See Arizona salary details

$59.2K

$102.8K

$141.6K

How much do mechanical system engineer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for mechanical system engineer in Arizona is $102,792.00, according to ZipRecruiter salary data. Most workers in this role earn between $75,900.00 and $122,500.00 per year, depending on experience, location, and employer.

What does a mechanical system engineer do?

A Mechanical System Engineer designs, develops, and oversees the installation and maintenance of complex mechanical systems in various industries. Their work often involves integrating mechanical components with electrical and software systems to ensure the overall functionality and efficiency of machines or equipment. They may be responsible for tasks such as performing simulations, analyzing system performance, troubleshooting issues, and collaborating with multidisciplinary teams. Mechanical System Engineers play a critical role in industries like automotive, aerospace, manufacturing, and energy. Their expertise ensures that mechanical systems operate safely, reliably, and efficiently.

What are the key skills and qualifications needed to thrive as a mechanical system engineer, and why are they important?

To thrive as a Mechanical System Engineer, you need a solid background in mechanical engineering principles, system design, and problem-solving, typically supported by a bachelor's degree in mechanical engineering or a related field. Familiarity with CAD software (such as SolidWorks or AutoCAD), simulation tools, and industry certifications like PE (Professional Engineer) are often required. Strong analytical thinking, teamwork, and effective communication skills help distinguish top performers in this role. These skills ensure efficient design, implementation, and maintenance of complex mechanical systems, leading to reliable project outcomes and innovation.

What are some common challenges mechanical system engineers face when working on multidisciplinary projects?

Mechanical System Engineers often collaborate closely with electrical, software, and civil engineers on multidisciplinary projects. A common challenge is ensuring effective communication between teams, as each discipline may use different technical language and have varying priorities. Managing integration issues and aligning timelines across departments can also be demanding. To overcome these challenges, Mechanical System Engineers typically participate in regular cross-functional meetings and use collaborative project management tools to ensure alignment and successful project delivery.

What is the difference between Mechanical System Engineer vs Mechanical Design Engineer?

AspectMechanical System EngineerMechanical Design Engineer
Primary FocusDeveloping and integrating mechanical systems within larger projectsCreating detailed mechanical component and product designs
Work EnvironmentSystems integration, testing, and validation in manufacturing or engineering firmsDesign studios, CAD modeling, and prototype development
Required CredentialsBachelor's in Mechanical Engineering, relevant certificationsBachelor's in Mechanical Engineering, CAD certifications

Mechanical System Engineers focus on integrating and managing entire mechanical systems, while Mechanical Design Engineers concentrate on designing specific components. Both roles often collaborate but serve different stages of product development and system integration.

What cities in Arizona are hiring for Mechanical System Engineer jobs?

Cities in Arizona with the most Mechanical System Engineer job openings:

Mechanical System Engineer jobs near you
Infographic showing various Mechanical System Engineer job openings in Arizona as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, 2% Temporary, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $102,792 per year, or $49.4 per hour.

Associate Mechanical Engineer

United Integrated Services (USA) Corp.

Phoenix, AZ • On-site

Full-time

Re-posted 17 days ago

Key responsibilities

  • Work closely with design, construction, and commissioning teams to ensure the successful delivery of cleanroom projects.

  • Review, approve, and oversee the installation of mechanical systems, including reviewing drawings and specifications.

  • Assist in procurement activities and communicate project requirements with stakeholders.

Job description

United Integrated Services (USA) Corp. was founded in Phoenix, Arizona in 2020. UIS is a U.S. subsidiary of United Integrated Services Co., Ltd. (UIS Taiwan) which was founded in Taiwan in 1982. UIS is a multidisciplinary engineering and construction company. We provide fully integrated design-build services to our clients in the high-technology industry for their manufacturing facility needs. Our scope of services includes engineering design, high-tech factory planning, and on-time equipment and material delivery in which clean-room systems, HVAC, electrical systems, and tool hook-up, are all vital parts in need of total coordination.

Summary: The Associate Mechanical Engineer will work closely with design, construction, and commissioning teams to ensure the successful delivery of cleanroom projects that meet stringent specifications for air quality, temperature, humidity, and particulate control. The candidate must bring specialized knowledge in cleanroom standards, HVAC systems, and mechanical systems integration.

Essential Duties and Responsibilities include the following. Other duties may be assigned.

  • Perform requirements classification of clients, communicating project requirements and design review with internal & external design team for Mechanical System, such as, process exhaust duct, scrubber for waste air treatment, and dosing chemical.
  • Perform the required scope of work and clarify specification with stakeholders.
  • Assist procurement team on the procurement of Mechanical systems equipment & materials and assist in contractors' awards.
  • Understand isometrics, P&ID and CAD drawings specifically for ME systems.
  • Review, approve and oversee the installation of ME systems.
  • Inspect work in progress to ensure that workmanship conforms with specifications and assure adherence to construction schedules.
  • Review progress reports, materials used and costs, contract payment application, and adjust work schedules as indicated by the reports.
  • Review & reply RFI (Request for information) and change orders.
  • Provide daily, weekly, and monthly reports for internal use and client communication.
  • Identify and solve problems.
  • Scheduling and schedule execution.
  • Understand drawing and review specifications and estimation.
  • Other responsibilities as assigned.

 

Qualifications:

The requirements listed below are representative of the knowledge, skill, and/or ability required.         

Education/Experience:

  • Bachelor's degree in mechanical engineering, Construction Management, or a related field.
  • 0-5+ years of work experience related to Mechanical Engineering with a strong focus on cleanroom construction. Experience in HVAC is preferred.

 Skills and Competencies:

  • Strong understanding of process exhaust duct sizing & layout, mechanism of scrubber for waste air treatment.
  • Proficiency in Microsoft Office Suite products (Word, PowerPoint, Excel, Outlook, Teams).
  • Ability to use engineering software, such as AutoCAD, Revit, Navisworks, Primavera, or others.
  • Excellent organizational and time management skills.
  • High level of attention to detail, and highly organized.
  • Ability to act with integrity, professionalism, and confidentiality.
  • Ability to effectively prioritize responsibilities depending on project needs. Ability to effectively present information and respond to questions from groups of managers, and employees.
  • Ability to develop and maintain successful relationships with all levels of employees, clients, and subcontractors.
  • Must be able to work under pressure and meet deadlines while maintaining a professional attitude.
  • Ability to work in a construction site environment (trailer office).

Language Proficiency:

  • Effective English verbal and written communication skills required.
  • Ability to communicate in Mandarin/Taiwanese is a plus.
  • Ability to effectively present information and respond to questions from groups of managers, customers, and employees.
  • Read and interpret documents such as safety rules, operating and maintenance instructions, and procedure manuals. Write routine reports and correspondence.

Nice to have: 

  • Start-up experience.
  • Verbal communication skills in Mandarin.
  • Professional Engineer license.

 Additional Requirements:

  • Must have and maintain a valid driver's license. May be required to travel to other sites within Arizona to perform certain work functions.

Physical Demands & Work Environment

The physical demands described here are representative of those that a candidate must meet to successfully perform the essential functions of this job.

  • Frequently stand and walk for extended periods throughout the workday.
  • Frequently lift, carry, push, and pull materials weighing up to 50 pounds, and occasionally lift heavier items with assistance or mechanical equipment.
  • Bend, stoop, kneel, crouch, and reach to perform assigned tasks.
  • Use hands and fingers to handle, feel, grasp, and operate tools, equipment, or materials.
  • Perform repetitive motions involving the hands, wrists, and arms.
  • Climb ladders, stairs, or elevated surfaces as required by the job.
  • Maintain visual acuity sufficient to read labels, instructions, safety signage, and documentation.
  • Maintain balance and coordination while moving materials or operating equipment.
  • Ability to work in physically demanding environments requiring frequent movement and manual labor.

Work Environment:

  • Exposure to dust, noise, vibration, and moving mechanical equipment.
  • Indoor and/or outdoor work environments, which may include varying temperatures and weather conditions.
  • Work in confined spaces, elevated areas, or active job sites, depending on project requirements.
  • Required use of personal protective equipment (PPE) such as hard hats, safety glasses, gloves, steel-toe boots, and high-visibility vests.
  • Interaction with powered industrial equipment, tools, and vehicles.

Disclaimer:

The above job description is not intended to be an all-inclusive list of duties and standards of the position. Incumbents will follow any other instructions, and perform any other related duties as assigned by their supervisor.