Lead Mechanical Engineer, Minerals & Metals

Job Description

Why join us?

AtkinsRéalis is growing fast in the U.S.—and there’s never been a more exciting time to be part of our journey.

We’re committed to engineering a better future for our planet and its people. That means creating solutions that matter, and building a workplace where every voice is heard, every perspective counts, and everyone belongs.

By connecting people, data, and technology across our global network, we’re tackling some of the world’s most complex challenges. And we’re looking for passionate, driven professionals like you to help shape what’s next.

Let’s build the future—together.

We are seeking a Lead Mechanical Engineer to join our Phoenix, AZ office.

About Us

AtkinsRéalis is a world-class engineering services and nuclear organization. For over 50 years, we’ve partnered with public and private clients across the U.S. to deliver infrastructure planning, engineering, construction, environmental consulting, urban planning, architecture, and program management. Our depth and breadth of expertise enables us to tackle the most technically complex and time-sensitive projects—driving innovation, resilience, and real-world impact where it matters most.

How will you contribute to the team?

To support its growth, the Plant Engineering division of the Engineering Services – Mining and Metallurgy group is seeking a Mechanical Lead Engineer for its department specializing in the execution of industrial mining projects.

AtkinsRéalis’s Minerals and Metals team in Canada is made up of more than 400 employees who work on large-scale projects to support mining sustainability, pit-to-port opportunities, metallurgical plant engineering, or mine closure and capabilities in the study, design, and construction of mining projects across a wide range of mining and processing methods and commodities. The team combines global-caliber expertise to provide tailored solutions for projects of any size, scope, or complexity. We believe in working openly and transparently, together, delivering world-class projects. We work collaboratively with teams across the world, from Canada to Brazil in the south to India in the east, delivering exceptional value and innovation to our clients. To support our growth initiatives, we are expanding our team and are looking for innovative, forward-thinking people who enjoy challenges and want to add value to project success, both locally and internationally.      

We are seeking a highly experienced and hands-on Mechanical Lead Engineer  to lead Concept, Pre-Feasibility (PFS), Feasibility (FS), Front-End Engineering Design (FEED) studies and detailed engineering (DE) for mineral processing projects.

This role is critical to ensuring technically sound, cost-effective, and execution-ready outcomes that align with client objectives. The successful candidate will demonstrate strong leadership, structured planning, and a collaborative approach to project delivery. 

• Identify, pursue, and secure new clients and project opportunities in target markets.
• Develop client relationships and strategic partnerships to grow regional market share.
• Lead or support proposal development, presentations, and contract negotiations.
• Acting as the mechanical discipline lead on major projects.
• Serving as a reference for the team in concentrator and industrial site engineering.
• Participating in prefeasibility and feasibility studies, as well as detailed engineering for industrial projects.
• Supervising the preparation of mechanical and industrial piping plans, specifications, and details.
• Writing or supervising the writing of technical specifications for the pre-purchase of industrial equipment.
• Writing or supervising the writing of technical specifications and scope of work documents for the installation of equipment and industrial piping.
• Overseeing detailed design calculations in accordance with standards, codes, and regulations (e.g., pump capacity, water and air network sizing, piping stress analysis, etc.).
• Supervising the design of tanks, pump boxes, hoppers, chutes, etc.
• Supervising the development and verification of piping and instrumentation diagrams (P&IDs).
• Conducting technical bid evaluations.
• Supervising shop drawing reviews.
• Supervising the work of technicians and engineers.
• Reviewing and approving design and cost calculations.
• Ensuring interdisciplinary coordination.

What will you contribute?

• A minimum of 15 years of relevant experience.
• Professional Engineer (PE) license (preferred or ability to obtain within 6 months).
• Experience in heavy industrial sectors, bulk solids handling, or mining & metals is a strong asset.
• Willingness t