Senior Structural Engineer

At Mott Mac Donald, we are driven by purpose and powered by brilliant people. As a trusted engineering, management, and development consultancy, we work with clients to solve complex challenges and deliver sustainable outcomes that make a meaningful difference for the communities we serve.

When you join us as an experienced professional, you will bring your expertise to work that matters while continuing to grow your career. You will collaborate with talented colleagues across disciplines and geographies, contribute your perspective, and help shape better outcomes through technical excellence, innovation, and integrity.

At Mott Mac Donald, you’ll work alongside talented people on complex and rewarding projects that make a real difference. We value fresh perspectives, encourage collaboration, and provide opportunities to expand your skills, take on new challenges, and grow your career. Whether you’re deepening your technical expertise, broadening your leadership experience, or exploring new opportunities across our business, you’ll be supported by a team that is committed to helping you succeed.

Mott Mac Donald’s transportation and infrastructure teams work on some of the largest and most challenging projects across the US. With a strong and growing presence in key markets we are expanding our impact through projects that reflect our values of technical excellence, sustainability, and improving communities.

Based in our Portland office, the Senior Engineer will play a lead technical role in the development and delivery of projects. Our transportation portfolio spans a wide range of complex work, including bridges (rail/LRT/road), retaining walls, underground and buried structures, transit station structures, and other civil infrastructure.

Developing conceptual, preliminary, and detailed final designs using industry-standard analysis and design software

Actively participating in project, client, and team meetings

Assisting and mentoring junior staff

Reviewing, preparing, and modifying designs

Analyzing and preparing type studies, reports, specifications, quantities, and estimates

Coordinating with multidisciplinary teams, including technicians and design professionals across offices

Attending onsite meetings across project locations

Gaining exposure to project, commercial, and client management

Undertaking a ‘digital by default’ approach in deliverables

Supporting our ‘Purpose’ in everything you do

A bachelor’s degree in civil or structural engineering from an ABET-accredited university

10+ years of structural engineering experience

Experience working with AASHTO, AREMA, ASCE, and CBC design codes and standards

Experience with seismic analysis and design

Proficiency in designing structures and foundations using cast-in-place reinforced concrete, precast/prestressed concrete, post-tensioned concrete, and structural steel

A methodical approach to problem-solving, with the ability to work independently

Strong verbal communication skills, with confidence engaging clients and teams across multiple regions

Excellent technical writing and attention to detail, including preparation of drawings and reports

Strong teamwork and collaboration skills across distributed teams

• A positive attitude, strong commitment to technical excellence, high ethical standards, and an eagerness to contribute to a wide variety of projects are essential.

Bring your expertise, curiosity, and drive to make a difference. If you are ready to join a collaborative consultancy where your perspective is valued, your growth is supported, and you are empowered to lead with…