Job Details

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 to help shape what's next.

Let's build the future—together.

We are seeking a Senior Technical Manager – Chemical Process / Process Mechanical Engineering to join our team in Exton, PA.

We are seeking an experienced Senior Technical Manager to lead chemical process and process mechanical engineering efforts in our Exton, PA office. This role is ideal for a seasoned professional with a strong background in chemical or mechanical engineering, particularly within the biotech, pharmaceutical, and specialty chemical industries. You will supervise the Chemical Process/Process Mechanical Team, manage project delivery, and ensure technical excellence while mentoring junior engineers and collaborating across disciplines.

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?

Staff Administration –

• Supervise and mentor technical staff of 5‑10 individuals.
• Ensure appropriate staff allocation to projects in consideration of project schedules, budgets, key milestone dates, and work products.
• Conduct performance reviews and career planning sessions.
• Promote professional development and ensure policy compliance.

Technical Leadership & Project Management –

• Lead or oversee chemical process and process mechanical engineering activities from conceptual design through commissioning.
• Ensure quality control and compliance with company and regulatory standards.
• Oversee project schedules and deliverables.
• Develop and review engineering documentation (P&IDs, process flow diagrams, general arrangement drawings, piping isometric drawings, equipment specifications, equipment data sheets, calculations, etc.).
• Support startup and commissioning efforts.

Client Engagement & Business Development –

• Interface with Project Management and clients to define project requirements and deliver solutions.
• Support proposal development and contract negotiations.
• Maintain relationships with current and prospective clients.

Financial & Operational Oversight –

• Support Project Management to manage project profitability and production backlog.
• Develop and contribute to cost estimates.

What will you contribute?

• BS or higher in Chemical or Mechanical Engineering.
• PE license required.
• Minimum 15 years in process mechanical engineering, with at least 3 years in supervisory or project management roles.
• AutoCAD, Revit, Plant3D, HYSIS, AFT a plus.
• Familiarity with clean utility systems, CIP design, and validation protocols.
• Proficiency in MS Office.
• Experience in design‑build delivery methodology.
• Strong leadership and interpersonal skills.
• Ability to manage multiple complex projects simultaneously.

What we offer at AtkinsRéalis:

At AtkinsRéalis, our values—Safety, Integrity, Collaboration, Innovation, and Excellence—are more than just words. They are the foundation of who we are and how we work. These principles shape our culture, guide our decisions, and inspire us to create an environment where every team member feels empowered to grow, succeed, and make a meaningful impact.

Depending on your employment status, AtkinsRéalis benefits may include medical, dental, vision, company‑paid life and short‑ and long‑term disability benefits, employer‑matched 401(k) with 100% vesting, employee stock purchase plan, paid time off, flexible work options, recognition and employee satisfaction programs, employee assistance program, and voluntary benefits.

Are you ready to expand your career with us? Apply today and help us shape something extraordinary.

AtkinsRéalis is an equal opportunity, drug‑free employer. EEO/Veteran/Disability.