48 development engineer jobs found in Seattle

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...

ABOUT AMPHENOL-CIT Amphenol Cable and Interconnect Technology (ACIT), a division of Amphenol Corporation, is a global leader in designing and manufacturing high-performance interconnect solutions that power the world's most advanced technology. Our broad product portfolio includes high-speed connectors, sockets, power connectors, and cable assemblies that support next-generation data centers, enterprise servers, storage systems, networking equipment, and high-speed computing environments. With a strong global presence in R&D, manufacturing, and sales, ACIT is committed to innovation, quality, and customer success. WORK LOCATION: This role is hybrid for candidates residing in the Seattle area and is based out of our Kent, WA office. SUMMARY We are seeking an experienced Connector Development Engineer to join our team and contribute to the design and development of next-generation interconnect products. This role will focus on creating advanced connector and cable...

What Your Day Will Look Like: As a Professional Engineer, you'll apply engineering principles and technical expertise to the design and analysis of water and wastewater infrastructure projects. You'll take ownership of specific design tasks, coordinate with multidisciplinary teams, and ensure that all work meets technical standards, regulatory requirements, and client expectations while continuing to develop your professional engineering judgment and leadership skills. What You'll Do: • Prepare and review design plans, calculations, and technical documentation for pipelines, pump stations, and treatment systems. • Apply engineering standards and design codes to ensure technical accuracy and regulatory compliance. • Conduct hydraulic modeling, flow analysis, and system evaluations to support design and planning decisions. • Coordinate design efforts across internal teams, subconsultants, and regulatory agencies. • Support project managers with technical input, cost...

What Your Day Will Look Like: As a Project Manager, you'll lead the planning, design, and delivery of water and wastewater infrastructure projects from initiation through completion. You'll manage multidisciplinary teams, maintain strong client relationships, and ensure that all project objectives, technical, financial, and operational, are met with precision and professionalism. This role combines engineering expertise, leadership, and strategic coordination to drive successful project outcomes. What You'll Do: Manage all phases of water and wastewater projects, including scope, schedule, budget, staffing, and client communication. Lead multidisciplinary teams in preparing design plans, studies, and reports that meet quality and regulatory standards. Serve as the primary client contact, ensuring clear communication, satisfaction, and long-term relationship development. Oversee design reviews, quality control, and risk management to maintain consistency and technical...

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...

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...

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 small, 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...

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 small, hardworking and accomplished team of engineers, you will be in charge of engineering, designing, and installing of electrical harnesses for various spaceflight systems. This is a hands-on...

Mechanical Engineer - Seattle area - Sep 2025 - 0805 Our client located in the Seattle area is seeking an experienced Mechanical Engineer to support the design and development of hardware for nuclear applications. The successful candidate will drive the creation of reliable, high-performance components and assemblies critical to the development of complex energy systems operating under demanding technical and safety requirements. You Will: Own and improve subsystem designs including electromagnetic, structural, fluid, thermal, and control systems Learn from historical engineering approaches and design novel hardware for testing and integration into Helion's fusion devices Design hardware in CAD software such as NX or SolidWorks Perform analysis using tools like ANSYS and lead design reviews to incorporate feedback and iterate toward functioning systems Expand your engineering skills and domain knowledge by learning from experts Work hands-on with...

Electrical Engineer - Aircraft Interiors - Contract - Seattle Area - 0720 Our client in the Seattle WA area has multiple immediate openings for their new project that is involved in the modification of aircraft interiors. They are seeking experienced design engineers for this long term project. Experience with previous aircraft interior modification design work preferred such as LOPA, Galleys, crew rests, etc. Responsibilities include the design, development, qualification, and documentation of technical data packages, which are used for electrical systems modification programs involving commercial transport category aircraft. Additionally, provide engineering support for existing manufactured product through investigation, problem resolution, ECN/EO and drawing revision documentation. Relevant experience creating wiring diagrams, wire lists, schematics, routing and clipping installation drawings, and understands wire harness fabrication drawings, PLC and wireless....

Company Description KPFF, a multi-office, multi-discipline engineering firm, is committed to Excellence, Trust, Relationships, Stability, and Passion. For over 65 years KPFF has been providing creative solutions and excellent client service for a diverse range of projects and industries. Our 1,500 professionals in 35 offices nationwide thrive in a decentralized structure, offering abundant flexibility and numerous opportunities for professional growth. At KPFF, join a legacy of excellence where every team member has the opportunity to contribute to innovative solutions and meaningful projects. To learn more about us and the projects we work on, visit our website at www.kpff.com. Job Description KPFF Seattle's Transportation Team focuses on designing infrastructure that moves people and connects communities across the region. We work on a wide range of transit and transportation projects, including roadway and trail improvements, fish passage enhancements, and major...

Company Description KPFF, a multi-office, multi-discipline engineering firm, is committed to Excellence, Trust, Relationships, Stability, and Passion. For over 65 years KPFF has been providing creative solutions and excellent client service for a diverse range of projects and industries. Our 1,500 professionals in 35 offices nationwide thrive in a decentralized structure, offering abundant flexibility and numerous opportunities for professional growth. At KPFF, join a legacy of excellence where every team member has the opportunity to contribute to innovative solutions and meaningful projects. To learn more about us and the projects we work on, visit our website at www.kpff.com. Job Description KPFF Seattle's Civil Team designs sites that enable land to be developed for commercial, residential, institutional, and recreational purposes. We also design critical public and private infrastructure systems that support the built and natural environments, including district energy,...

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...

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 a Senior Environmental Engineer 1 to work in a technical support role assisting our Seattle and Pacific Northwest remediation projects and clients 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...

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...

What Your Day Will Look Like: As an Engineering Designer, you'll assist in the preparation of design plans and technical drawings for water and wastewater infrastructure projects. Working under close supervision, you'll apply foundational engineering knowledge and CAD drafting skills to support the development of pipelines, pumping systems, and treatment facilities while gaining exposure to design standards and project coordination. What You'll Do: Prepare and edit design drawings, layouts, and plan sheets using CAD software under the direction of senior staff. Assist with basic design calculations, quantity estimates, and project documentation for water and wastewater systems. Support data collection and field verification to confirm existing infrastructure conditions. Collaborate with engineers and designers to ensure design accuracy, completeness, and compliance with applicable standards. What You'll Need: Bachelor of Science in Civil, Environmental, Chemical,...

Moffatt & Nichol specializes in large complex waterfront infrastructure projects and is recognized as one of the worldwide leaders in this field. We are actively looking for a Senior Level Electrical Engineer to join our Seattle or Federal Way office. The responsibilities of this position include: working with new technologies and developing industries from microgrids to projects supporting offshore wind ports; preparing multiple or complex plans, designs and plan production for general electrical engineering on a wide variety of projects which may include lighting, power, and grounding plans, one-line diagrams, panel and cable schedules, and different project specifications. About Moffatt & Nichol: Moffatt & Nichol is a leading U.S.-based global infrastructure advisor specializing in the planning and design of facilities that shape and serve our coastlines, harbors and rivers, as well as an innovator in transportation. For the 4th year in a row, Moffatt &...

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...