UNKNOWN

FEED

With $8.1 billion in revenue for 2025, Clayco specializes in the ''art and science of building,'' providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. The Senior Mechanical Engineer will lead the mechanical design of projects, provide technical expertise, and ensure the successful delivery of engineering solutions for mission-critical facilities, including data centers, advanced manufacturing plants, and other high-availability environments.

Clayco Inc

Senior Mechanical Engineer

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We look at the entire facility-inside and out-and can impact 70% of what a building operator allocates critical budget dollars toward, including: Strategic electricity and natural gas procurement, renewable energy, and demand response; climate impact reduction and reporting, net zero strategies, and sustainability planning; roofing, solar, HVAC assessment management, pavement, building envelope, data center optimization, and EV charging; lighting/LED retrofits, HVAC/mechanical systems, and BMS/BAS improvements and implementation. Client sites may include industrial facilities, commercial buildings, utility plants, mechanical rooms, construction sites, production areas, rooftops, and other operational environments.

YEAR

Mantis Innovation Group LLC

Senior Design Engineer - HVAC Systems

We look at the entire facility-inside and out-and can impact 70% of what a building operator allocates critical budget dollars toward, including: Strategic electricity and natural gas procurement, renewable energy, and demand response; climate impact reduction and reporting, net zero strategies, and sustainability planning; roofing, solar, HVAC assessment management, pavement, building envelope, data center optimization, and EV charging; lighting/LED retrofits, HVAC/mechanical systems, and BMS/BAS improvements and implementation. San Francisco, CA / Seattle, WA / Salt Lake City, UT / Las Vegas, NV / Reno, NV / Los Angeles, CA / Burbank, CA / San Diego, CA / Ontario, CA / San Jose, CA / Santa Ana, CA / Sacramento, CA / Lubbock, TX / Phoenix, AZ / Mesa, AZ.

Senior Mechanical Project Engineer

Direct involvement in equipment lifecycle activities including procurement specification development, vendor technical oversight, Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), installation support, commissioning, startup testing, and troubleshooting of electrical equipment. ENERCON's Nuclear Services Group is seeking Principal Electrical Components Engineers to serve as recognized Subject Matter Experts (SME) supporting critical nuclear plant electrical components.

Enercon Services Inc

Principal Electrical Components Engineer (SME)

In addition, candidate introductions or resumes can only be submitted to our internal talent acquisition recruiting team if a signed vendor agreement is already on file and the third-party recruiter or agency has received formal instructions from our internal talent acquisition team to submit candidates for a particular job posting. Collaborate with fellow Performance Engineers & Analysts to track critical issues within the construction and/or operational fleet (equipment, parts, manufacturers, etc.) and share findings with internal teams with a common goal of fleet optimization.

SOLV Energy LLC

Performance Engineer II, EPC (Remote)

The role will require the engineer to retain a high-level understanding of the project with respect to the environmental, community, business and financial aspects to guide the client and Project Manager's decisions related to achieving the process objectives of the project. Ability to lead engineering tasks on a project, within the allocated budget and schedule, including mentoring and guidance of junior colleagues and professional interaction with other project disciplines.

Hatch Ltd.

Senior Mineral Process Engineer

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Process Engineer - Mineral Processing

PART_TIME

Working closely with other specialists, including scientists responsible for the quality control of raw materials, intermediates and finished products; engineers responsible for plant maintenance; commercial colleagues on product specifications and production schedules; and the operating crew. The work is concerned with chemical and biochemical processes in which raw materials undergo change and involves scaling up processes from the laboratory into the processing plant.

Semiconductor Services Business US

Process Engineer II

Design HVAC and mechanical systems (air distribution, hydronic systems, central plant connections, pressurization, and related medical gas interfaces), including load calculations, equipment sizing, layouts, narratives, drawings, and specifications. The Mechanical Project Engineer - Healthcare leads project‑level mechanical design and coordination for hospitals, ambulatory care, behavioral health/recovery centers, and medical office facilities across the Midwest.

Farnsworth Group

Mechanical Project Engineer - Healthcare

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ADAPTED_NOW

Coordinates projects with other engineers and architects in a variety of disciplines, including community planners, programmers, as well as contracting officers, tenant organization representatives, and construction agents, such as from private contracting companies, the Army Corps of Engineers, the AF Civil Engineer Center, and the AF Installation Mission Support Center. Comprehensive knowledge of engineering principles and analytical techniques in order to support complex engineering assignments relating to civil engineering disciplines (mechanical, civil, electrical, or architecture).

<p>Chenega Corporation is a premier Government and Commercial services provider to the security, healthcare, IT, environmental, military operations, construction, and tourism industries. Our integral business practices are rooted in the Alaska native culture of our shareholders. We are known for our exceptional employees, our fiscal strength, our creativity and innovation, and for providing excellent cost and performance value to our customers and business partners. Chenega returns all its profit to its native shareholders</p>

Chenega Corporation

General Engineer/Architect

Chenega

Responsibilities also include managing materials testing programs (concrete, aggregates, soils), reviewing test results, resolving nonconformances in the field, and working directly with crews, suppliers, and inspectors to ensure quality is built into the work-not just documented afterward. Key Responsibilities: Assists Project Engineer in developing and maintaining as-built drawings and other work tasks and assists with or reviews and processes submittals, change orders, RFl's, and budget forecasting.

The Sundt Companies

Heavy Civil Field Engineer

This role requires strong technical understanding of power electronics, inverters, PCS, energy storage systems, grid-tied equipment, and customer project requirements, combined with the ability to support commercial execution, opportunity development, technical positioning, and customer confidence. The ideal candidate is an experienced technical sales manager who combines expertise in power conversion technologies and applications with the ability to influence stakeholders, develop industry leading solutions, and support long-term commercial growth.

Nextpower

Sr Technical Sales Engineer

With $8.1 billion in revenue for 2025, Clayco specializes in the ''art and science of building,'' providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. Working alongside a Senior Mechanical Engineer on each project, this mid-level role is responsible for producing detailed mechanical designs, performing analyses, and coordinating with multi-disciplinary teams to deliver infrastructure that meets demanding uptime and efficiency requirements in a fast-paced environment.

Mechanical Engineer

Experience in the field of energy management and or building control systems, HVAC design experience, facilities operations experience, or energy efficiency engineering experience, Certified energy manager (CEM) and knowledge of ASHRAE-90.1 energy codes and building control system expertise preferred. The ROC Systems Engineer partners with hospital leadership and Development and Construction teams to evaluate and oversee mechanical systems - including central utility plants, HVAC, and building automation systems - on new construction and renovation projects.

Banner Health

Remote Operations Center ROC Systems Engineer

You will establish and maintain the highest possible commercial relations with present and potential customers (internal and external) by effectively employing the highest level of skills with regard to the art of salesmanship, application engineering, product knowledge, knowledge of customers business and organization and knowledge of Eaton product lines strategic plans for sales growth. Responsibilities include but are not limited to: closing orders based upon expertise developed in selling skills and technical knowledge, selling abilities to position Eaton Electrical into preferred position in market and customer activity, providing technical knowledge regarding products/services, negotiating & pricing industrial and construction projects.

Eaton is a power management company with 2016 sales of $19.7 billion. We provide energy-efficient solutions that help our customers effectively manage electrical, hydraulic and mechanical power more efficiently, safely and sustainably. Eaton is dedicated to improving the quality of life and the environment through the use of power management technologies and services. Eaton has approximately 95,000 employees and sells products to customers in more than 175 countries. For more information, visit <a href="http://www.eaton.com/Eaton/index.htm" target="_blank">Eaton.com.</a>

Eaton Corporation Plc

Inside Sales Engineer

Proactive Validation & Innovation: Partner with the Platform Delivery and Site Operations teams to reactively test proposed system modifications stemming from Incident RCAs and proactively conduct R&D on new cooling methodologies to maintain Aligned's market leadership. Utilize real-world telemetry data and empirical lab results to calibrate predictive thermal and fluid dynamic models, allowing the department to mathematically stress-test proposed mechanical topologies prior to live deployment.

Aligned Data Centers

Lead Engineer, Cooling Lab & Modeling

FULL_TIME

OTHER

Identify and monitor environmentally significant issues and advise management on the appropriate action to inlcuiding notification of third party inspectors and support personnel for environmental issues related to hazardous waste, stormwater, water and water treatment, biological (wildlife and plant life), and archelogical and cultural issues. Under minimal supervision and using independent discretion, this position is responsible for coordinating and administering a construction project environmental program, including all aspects of the permitting and compliance processes, provides engineering solutions to meet environmental needs, and leadership on environmental matters in a manner consistent with company policies and procedures.

Traylor Bros. Inc.

Environmental Engineer

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ERMCO designs and manufactures a comprehensive portfolio of liquid-filled distribution transformers, including single-phase and three-phase pad-mounted and pole-mounted transformers, supported by a full range of components such as amorphous and silicon steel transformer cores, fuses, bushings, disconnect switches, and circuit breakers. Electric Research and Manufacturing Cooperative, Inc. (ERMCO) was founded in 1964 by three electric cooperatives with a mission to deliver reliable transformers to rural communities often overlooked by larger manufacturers.

ERMCO Phoenix

Senior Process Engineer

[AW]-iCims

Our products are designed and assembled in our state-of-the-art facility in Tucson, Arizona to ensure the highest quality, reliability, and durability for everything we sell. Our goal is to create and improve a product that keeps every operator in the field safe from the effects of arc flash incidents and protects the switchgear racking mechanism from damage.

Safe-T-Rack

Field Sales Engineer

JobScore

Preferred Courses: Circuit Analysis (could be called Circuits I, Circuits II, Intro to Circuits, etc.), Power Systems (could be called Electric Power, Electric Machines, Power Systems, Power Engineering, etc.), and Control Systems. ENERCON's Nuclear Design Group is a leader in the nuclear power industry, providing comprehensive engineering, licensing, and environmental services to support nuclear power plants worldwide.

Plant Engineer Jobs in Arizona

Senior Mechanical Engineer Clayco Inc

Senior Design Engineer - HVAC Systems Mantis Innovation Group LLC

Senior Mechanical Project Engineer Mantis Innovation Group LLC

Principal Electrical Components Engineer (SME) Enercon Services Inc

Performance Engineer II, EPC (Remote) SOLV Energy LLC

Senior Mineral Process Engineer Hatch Ltd.

Process Engineer - Mineral Processing Hatch Ltd.

Process Engineer II Semiconductor Services Business US

Mechanical Project Engineer - Healthcare Farnsworth Group

General Engineer/Architect Chenega Corporation

Heavy Civil Field Engineer The Sundt Companies

Sr Technical Sales Engineer Nextpower

Mechanical Engineer Clayco Inc

Remote Operations Center ROC Systems Engineer Banner Health

Inside Sales Engineer Eaton Corporation Plc

Lead Engineer, Cooling Lab & Modeling Aligned Data Centers

Environmental Engineer Traylor Bros. Inc.

Senior Process Engineer ERMCO Phoenix

Field Sales Engineer Safe-T-Rack

(Dec 2026 New Graduates) - Associate Electrical Engineer - Nuclear Design Team Enercon Services Inc

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