Senior Structural Project Engineer
Thornton Tomasetti
Portland, ME · Posted September 21, 2026
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Where Portland, ME placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
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Rankings about engineering jobs
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AI use among civil engineers is little observed so far. Measured exposure for civil engineers: 1% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
About the job
Thornton Tomasetti applies engineering and scientific principles to solve the world’s challenges. An independent organization of creative thinkers and innovative doers collaborating from offices worldwide, our mission is to bring our clients' ideas to life and, in the process, lay the groundwork for a better, more resilient future. We provide support and opportunities to our employees to achieve their full potential and cultivate a rewarding career.
Your Role
If you’re a structural engineer who wants bigger challenges, more technical depth, and a clear runway toward becoming a recognized expert, Thornton Tomasetti is the place where that trajectory happens. Our Senior Project Engineers don’t just execute; they innovate, influence, and accelerate toward technical leadership while shaping some of the world’s most complex structures. You’ll join a global collective of engineers who treat structural design as both science and craft. You will be trusted with meaningful responsibility and will grow your expertise faster because our environment is built for developing exceptional engineers into industry leaders.
What You’ll Do
Independently evaluate, adapt, and apply advanced engineering concepts to challenging structural problems, often devising new or customized solutions.
Develop deliverables that communicate clearly with clients.
Proactively coordinate with architects, contractors, consultants, and internal experts, expanding your network and influence across the industry.
Become more outward facing by contributing to proposals and representing TT’s technical excellence with clients.
Engage in internal collaboration initiatives with sustainability, resilience, forensics, renewal, protective design, and more.
Build the leadership quality of seeing beyond tasks to how structural decisions shape outcomes, innovation, and long-term client value.
Mentor earlier-career engineers, enhancing your ability to influence and elevate a team.
What You’ll Bring
Bachelor’s degree in Civil , Structural, or Architectural Engineering; Master’s degree preferred .
Professional Engineer (PE) and/or Structural Engineer (SE) licensure.
6+ years of structural engineering experience, ideally within a consulting environment.
Strong background in analytical modeling, detailing, and advanced engineering concepts (steel, concrete, seismic, tall buildings, specialty structures, etc.).
Ability to independently develop engineering approaches, solve novel challenges, and demonstrate the curiosity and initiative to grow into a technical leader.
Benefits
Depending on your employment status, benefits may include:
Medical, Dental, Vision, Life, AD&D, Disability and other voluntary benefits
Flexible Spending Accounts for Medical & Childcare
Paid Time Off, Family Leave for New Parents, Volunteer Time
Tuition Reimbursement
Commuter Transit (where available)
401k retirement savings with Company matching on employee contributions and/or qualified student loan repayments
Fitness Reimbursement
And other various wellness, diversity/inclusion and employee resource programs and initiatives
Thornton Tomasetti is proud to be an equal employment workplace. Individuals seeking employment at Thornton Tomasetti are considered without regards to age, ancestry, color, gender (including pregnancy, childbirth, or related medical conditions), gender identity or expression, genetic information, marital status, medical condition, mental or physical disability, national origin, protected family care or medical leave status, race, religion (including beliefs and practices or the absence thereof), sexual orientation, military or veteran status, or any other characteristic protected by federal, state, or local laws.
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