27 junior mechanical engineer jobs found in Seattle, WA

At JH Kelly , we're looking for a driven, systems-thinking Senior Mechanical Design Engineer who thrives on leading HVAC design direction from concept to completion-delivering coordinated, error-free designs for mechanical construction projects through calculations, equipment selection, and layouts for air handling, duct distribution, hydronic systems, pipe distribution, and central plants-while managing tight schedules and deadlines with precision. This is your chance to make a real impact. This role is for someone who brings energy, technical mastery, and collaborative leadership to the table every day. About Us Celebrating over a century of excellence, JH Kelly is a fourth-generation, family-owned construction powerhouse known for tackling complex commercial and heavy industrial projects. With offices in Vancouver, Longview, Seattle, Bellingham, WA, and Milwaukie, OR, we're an industry leader fueled by an award-winning team committed to safety, quality, and a dynamic,...

Who We Are Tasso is a fast-growing Seattle-based startup focused on delivering at-home diagnostic testing to those who need it most. We are growing our footprint with leading health systems, clinical research organizations, academic medical centers, and more who are looking to deliver clinical-grade, convenient diagnostic tests to their patients. Tasso was originally founded to find a better way to collect blood instead of a painful fingerstick or time-consuming venous draw. Since then, our products have been used in pharmaceutical clinical trials, by Olympians as part of a new virtual anti-doping program, and broadly by hospital systems across the US. We are looking for a Senior Development Engineer who leads with interest, drives innovation from concept to commercial product, and raises the bar for the engineering team around them. This is a design-first role for someone who thrives in early-stage ambiguity and takes personal ownership for turning bold ideas into manufacturable...

Interlune is a space resources company based in Seattle, WA. We will provide resources from space to power a clean and sustainable economy on Earth and in space. We are looking for a Doer who wants to join our early-stage team and accelerate humanity's progress toward an off-world future. Our engineering team combines expert knowledge of geological sciences, mechanical engineering, automation, systems engineering, modeling and simulation, and advanced fabrication to build the infrastructure that will create an in-space economy. To join our small team, you must be agile, willing to learn, and able to take on multiple roles as needed. This role will report to the Vice President of Engineering and bring significant expertise in space robotics, particularly for planetary surface operations. Applicants from all industries are welcome, with particular emphasis in complex, multi-disciplinary system development. Responsibilities: Lead the design of high-reliability mechanisms,...

Find your path and enjoy the journey at Haley & Aldrich. With us, you'll tackle clients' most meaningful challenges in the built and natural environments - and, in turn, build stronger communities. You'll work with teams of passionate colleagues, driven by a commitment to technical excellence and continuous learning. As a company, we aim to build a world where communities go beyond resilience, embracing change as an opportunity to enhance safety, well-being, and quality of life. Join us to accelerate this vision and your professional development. We are looking to add new talent to our growing team! We are currently seeking an APM/Senior Geotechnical Engineer 1 to work in a technical support role with highly skilled professionals on diverse project teams in a dynamic environment. This is an excellent opportunity to join a growing group and company and get involved in a variety of projects for a diverse range of clients. This is a full-time, hybrid position located in our...

Requisition ID: 96964 Job Category: Infrastructure; Consulting; Engineering; Project Engineering; Project Management Location: Seattle, WA, United States Join a company that is passionately committed to the pursuit of a better world through positive change. With more than 65 years of business and technical expertise in mining, energy, and infrastructure, our 10,000 colleagues in 150 countries tirelessly work toward bettering the industries in which we operate. With practical solutions that are safe, innovative and sustainable, we think globally while acting locally. Are you looking for an opportunity to join a diverse group of professionals who are committed to remaining exceptional? We look forward to hearing from you. Our expertise in infrastructure includes aviation, highways and bridges, planning and advisory services, ports, rail and transit, tunnels, and water. Want to be part of the creation and construction of our cities? Then the infrastructure team is for you!...

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! This role supports the development and operations of New Glenn, a single-configuration, heavy-lift orbital launch vehicle capable of routinely carrying people and payloads to low-Earth orbit, geostationary transfer orbit, cislunar, and beyond. Its first stage is fully reusable, and the vehicle was designed from the beginning to be human-capable. As part of a hardworking, passionate, and accomplished team of experts, you will be responsible for the design, analysis, development, testing, and qualification of structural subsystems for New Glenn's second...

Requisition ID: 96959 Job Category: Infrastructure; Consulting; Engineering; Project Engineering; Project Management Location: Seattle, WA, United States Join a company that is passionately committed to the pursuit of a better world through positive change. With more than 65 years of business and technical expertise in mining, energy, and infrastructure, our 10,000 colleagues in 150 countries tirelessly work toward bettering the industries in which we operate. With practical solutions that are safe, innovative and sustainable, we think globally while acting locally. Are you looking for an opportunity to join a diverse group of professionals who are committed to remaining exceptional? We look forward to hearing from you. Our expertise in infrastructure includes aviation, highways and bridges, planning and advisory services, ports, rail and transit, tunnels, and water. Want to be part of the creation and construction of our cities? Then the infrastructure team is for you!...

Senior Spacecraft Engineer About Aetherflux Aetherflux is building the infrastructure to power and connect the orbital economy. Our satellites operate in Low Earth Orbit to collect sunlight and enable a new class of capabilities-from transmitting energy via infrared lasers (space-to-earth and space-to-space), to powering on-orbit compute, to delivering secure, high-bandwidth optical data. By rethinking how energy and data are generated and distributed in space, we're unlocking entirely new ways to operate both in orbit and on Earth. Founded in 2024 by Baiju Bhatt (co-founder of Robinhood), Aetherflux is backed by leading investors and built by a team from top aerospace and defense organizations. We're moving quickly to solve complex technical challenges and build a new category of space infrastructure. The Role We are looking for a Spacecraft Engineer to help design, build, and integrate the core systems that power our satellite platform. You will work across...

Senior Mechanical Engineer | Job Description About Aetherflux Aetherflux is building the infrastructure to power and connect the orbital economy. Our satellites operate in Low Earth Orbit to collect sunlight and enable a new class of capabilities-from transmitting energy via infrared lasers (space-to-earth and space-to-space), to powering on-orbit compute, to delivering secure, high-bandwidth optical data. By rethinking how energy and data are generated and distributed in space, we're unlocking entirely new ways to operate both in orbit and on Earth. Founded in 2024 by Baiju Bhatt (co-founder of Robinhood), Aetherflux is backed by leading investors and built by a team from top aerospace and defense organizations. We're moving quickly to solve complex technical challenges and build a new category of space infrastructure. The Role As a Senior Mechanical Engineer, you will play a key role in designing and building the physical systems that enable our spacecraft to...

Senior Avionics Engineer (Seattle, WA) About Aetherflux Aetherflux is building the infrastructure to power and connect the orbital economy. Our satellites operate in Low Earth Orbit to collect sunlight and enable a new class of capabilities-from transmitting energy via infrared lasers (space-to-earth and space-to-space), to powering on-orbit compute, to delivering secure, high-bandwidth optical data. By rethinking how energy and data are generated and distributed in space, we're unlocking entirely new ways to operate both in orbit and on Earth. Founded in 2024 by Baiju Bhatt (co-founder of Robinhood), Aetherflux is backed by leading investors and built by a team from top aerospace and defense organizations. We're moving quickly to solve complex technical challenges and build a new category of space infrastructure. The Role The Avionics Engineer is responsible for the design, development, and integration of electrical systems supporting advanced optical and laser...

Description Position Description As a Civil Engineer you will integrate the process of document production with a more detailed understanding of design and systems components. This position will be exposed to Civil land development and water/wastewater design along with calculations, specifications, and an expanded understating of codes with a continuum advanced practice of three-dimensional AutoCAD and Civil 3D and production of site design. A Civil Engineer of this level will have the ability to take small to medium sized projects from conception to final design with little input from a senior engineer. Position Salary Range* The expected salary range for this position is $ 85,000 to $ 105,000 annually. Required Qualifications** 4 to 10 years of project experience working on projects within the US ABET (Accreditation Board for Engineering and Technology) accredited degree in Civil Engineering A Professional Engineering License in the State of job posting or...

Schnabel is an employee-owned, professional engineering and consulting firm that focuses on solving problems related to the earth and environment through specialization in geotechnical, geostructural, tunnel, and dam engineering. Schnabel's high standards for quality, business ethics, and concern for the communities in which we live are a vital part of who we are. Schnabel is an ENR Top 500 Design Firm with 700+ employees in 31 offices throughout the United States. Recognized by CE News as one of the Best Engineering Firms to Work for, Schnabel provides employees with a competitive benefits package including maternity leave, tuition reimbursement for continuing education, health, dental, life and disability insurance and a wellness program. As an employee-owned company, through the Employee Stock Ownership Plan, Schnabel employees directly benefit from the success of our growing firm. Benefit options include: Medical insurance Dental insurance Flexible spending accounts...

Salary: $49.29 - $62.48 Hourly Location : Seattle, WA Job Type: Career Service (Exec) Job Number: 2026JA26756 Department: DLS - Dept. of Local Services Division: Road Services Opening Date: 03/20/2026 Closing Date: 4/5/2026 11:59 PM Pacific FLSA: Non-Exempt Bargaining Unit: C1 : PROTEC17-DES, DLS, DNRP Full- or Part-Time: Full Time Hours/Week: 40 hours/week Summary King County Road Services Division is seeking two Drainage Design Engineers (Engineer II) to join our dynamic and supportive Drainage Design Unit. One position will focus on fish passage project design , and the other will focus on roadway drainage system design . These positions provide an opportunity to contribute to projects that improve transportation infrastructure while protecting and restoring the natural environment in unincorporated King County. The successful candidates will work collaboratively with a multidisciplinary team of engineers, environmental scientists, geotechnical...

Salary : $110,956.32 - $129,372.48 Annually Location : Seattle, WA Job Type: Classified Civil Service, Regular, Full-Time Job Number: 2026-00313 Department: Finance and Administrative Services Opening Date: 03/03/2026 Closing Date: 3/31/2026 4:00 PM Pacific Language Premium: Yes Position Description The City of Seattle is seeking a motivated Senior Automotive Engineer to lead complex projects and support the planning, design, and procurement of the City's fleet. The Fleet Management Division oversees a fleet of over 4,000 pieces of equipment used by multiple City departments to deliver critical public services. Reporting to the Design and Procurement Manager, this role is responsible for advanced planning, vehicle and equipment design, procurement, and in-depth research and analysis to inform key fleet decisions. This position offers a unique opportunity to advance the City's commitment to environmentally responsible and cost-effective fleet solutions. ABOUT...

About Delta E Consulting: Established in 2023 in Seattle, WA, Delta E is an MEP engineering and design consulting firm built on a clear vision to form collaborative partnerships with building owners and design and construction teams that go beyond traditional consulting boundaries. Our work is grounded in technical expertise, sustainability, and thoughtful innovation, with an unwavering commitment to client success. You will be joining a team of seasoned industry professionals and contributing to a business with an established foundation and a strong trajectory. This role is well suited for design professionals who enjoy project and task ownership and enjoy problem-solving beyond a narrow job description. With seven separate services in-house (MEP engineering, Lighting Design, Sustainability and Energy Consulting, and Commissioning), integrative design practices is required at Delta E. You can expect to bring a proactive, curious mindset to your work, as well as have...

About Delta E Consulting: Established in 2023 in Seattle, WA, Delta E is an MEP engineering and design consulting firm built on a clear vision to form collaborative partnerships with building owners and design and construction teams that go beyond traditional consulting boundaries. Our work is grounded in technical expertise, sustainability, and thoughtful innovation, with an unwavering commitment to client success. You will be joining a team of seasoned industry professionals and contributing to a business with an established foundation and a strong trajectory. This role is well suited for design professionals who enjoy project and task ownership and enjoy problem-solving beyond a narrow job description. With seven separate services in-house (MEP engineering, Lighting Design, Sustainability and Energy Consulting, and Commissioning), integrative design practices is required at Delta E. You can expect to bring a proactive, curious mindset to your work, as well as have...

Description Position Description As an Electrical Engineer or Designer you will work with Project Managers in developing energy efficient, sustainable, and reliable engineering system concepts for projects. This position has a demonstrated capability to conduct analyses of existing systems and develop engineering solutions. Senior engineers consult with the client to determine needs, wants, and budgets while determining the functional requirements of new or renovated systems. Engineers schedule projects and related workloads and represent Cushing Terrell in project meetings and assist in strategy meetings. This position checks drawings and prepares feedback for project team(s), directs activities of workers engaged in preparing drawings, and edits or writes specifications including coordination with outside consultants involved in the project. Position Salary Range* The expected salary range for this position is $ 107,000 to $ 135,000 annually. Required...

Job Type Full-time Description Position Overview We are looking for a motivated and talented Project Engineer to join our firm in one of our Bellevue/Seattle area offices. This position is eligible to be based on our Portland, Oregon office. If you are looking to advance your career while working alongside industry experts, this opportunity is for you! You will be collaborating with colleagues from across our organization to provide environmental solutions to our clients' environmental challenges. You should be a self-starter and possess strong technical and writing skills to support a wide range of environmental projects. Our ideal candidate will be detail-oriented, have excellent verbal communication skills, and a positive attitude. What we are looking for The Project Engineer will perform professional engineering work supporting a broad range of projects that reflect Farallon's core practices including: Remedial investigations and feasibility studies; Field...

Launch your career designing structures that stand the test of time and the elements. Are you a recent civil engineering graduate or an early-career structural engineer eager to make an impact? Do you want to work on unique and high-impact waterfront projects you can visit, use, and be proud of? At PND Engineers, we're looking for curious, motivated engineers to join our Seattle office and grow with us. You'll gain hands-on experience, expert mentorship, and real responsibility from day one. What You'll Do As a Structural Engineer (EIT), you'll work closely with experienced engineers and learn how to: Analyze loads and perform engineering calculations. Design waterfront and industrial structures, including: Gangways and trestles Marine terminals Harbors, marinas, and breakwaters Mooring and berthing structures Piers, wharves, and bulkheads Infrastructure for the energy and aerospace industries Vehicle and pedestrian bridges Prepare construction drawings using AutoCAD....

Company Overview Zeno Power is the leading developer of nuclear batteries - compact power systems that provide reliable, clean energy in frontier environments. By harnessing the heat from radioisotopes, Zeno's batteries power critical missions on Earth, in space, and at sea. To bring this technology to market by 2027, Zeno is seeking out purpose-driven and innovative professionals who are comfortable working in a startup environment. Team members will have a direct impact in enabling commercial and national security missions from the depths of our oceans, to the surface of the moon, and in austere environments here on Earth. Zeno is proud to be an Equal Opportunity Employer and is committed to attracting, retaining, and developing a highly qualified, diverse, and dedicated work force. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or...