8 principal engineer jobs found

Who We Are: As a recognized leader in space science research and spacecraft instrumentation, avionics, and electronics, we work to reveal the secrets of our solar system and the universe. The Solar System Science & Exploration Division of Southwest Research Institute pushes the boundaries of space exploration, solar physics, and mission operations. Our experts lead groundbreaking research, develop cutting-edge instruments, and operate space missions that expand our understanding of the universe. Objectives of this Role: Produce complex Mechanical Engineering designs and analysis in support of space instrument development, prototype development and proposal efforts. Experience in space instrument structures, optics, thermal, and or mechanism design. Produce mechanical designs using CAD software including layouts, drawings, bill of material development, mass properties management, integration and test plans, procedure development, verification and test plans. Perform...

Location: The Greater Los Angeles Metropolitan Area, CA (Onsite) If you're interested in learning more about this opportunity or beginning the interview process, feel free to connect directly via LinkedIn: LinkedIn: https://www.linkedin.com/in/ra... Principal Mechanical Engineer - Launcher Systems An advanced aerospace and defense technology company is seeking a highly experienced Principal Mechanical Engineer to lead the architecture, design, and integration of next-generation launcher systems supporting UAV and missile platforms. This role will own launcher hardware development from concept definition through production and deployment across mobile ground and maritime applications. The ideal candidate brings deep launcher system expertise, strong electro-mechanical integration capability, and direct experience designing ruggedized hardware for harsh operational environments. This is a highly hands-on technical leadership role suited for engineers who thrive in fast-moving...

Location: The Greater Los Angeles Metropolitan Area, CA (Onsite) If you're interested in learning more about this opportunity or beginning the interview process, feel free to connect directly via LinkedIn: LinkedIn: https://www.linkedin.com/in/ra... Principal Mechanical Engineer - Platform Integration An advanced aerospace and defense technology company is seeking a Principal Mechanical Engineer to lead the integration of ruggedized sensor and electronics systems onto large mobile platforms for government and defense applications. This role is focused on translating advanced sensing and electronics technologies into durable, field-deployable systems capable of surviving demanding operational environments across vehicle, trailer, and maritime platforms. The ideal candidate brings deep experience with mechanical integration, ruggedized hardware design, environmental survivability, and large-scale platform constraints. This is a highly hands-on engineering role requiring...

Principal Product Development Engineer Locations include Shakopee, MN, Catawba, NC, or Apex, NC. However, candidates in other U.S. locations will be considered. Job Overview: CommScope Data Center Business Unit is seeking a Senior Product Development Engineer to spearhead the ideation and design of next-generation optical interconnect technology solutions for tomorrow's most demanding high-speed, high-density platforms. As a key member of the Data Center organization, you will contribute to cutting-edge innovation in optical connectivity technologies that are expected to push the boundaries of density and performance. You will collaborate closely with cross-functional engineering teams and engage with key stakeholders across Product Line Management, Business Development, Advanced Manufacturing, Operations, Sales, System Architecture, and other internal groups. Additionally, you will support the identification, evaluation, and cultivation of external partnerships with...

Overview A nationally recognized building-systems engineering consultancy is seeking a Principal/Senior Electrical Engineer to join its Los Angeles team. The firm delivers thoughtful, high-performance engineering solutions for complex buildings across healthcare, education, commercial, hospitality, transportation, retail, and other sectors. This is an opportunity for an accomplished electrical engineer to lead innovative design work, strengthen client relationships, guide developing professionals, and help deliver meaningful projects throughout Southern California and beyond. Relocation assistance may be considered for highly qualified candidates. Position Description The Principal/Senior Electrical Engineer will serve as a discipline leader across multiple MEP projects, taking ownership of electrical system design, technical quality, team guidance, and client service. The successful candidate will combine deep building-systems expertise with sound judgment, clear...

The Opportunity Ulteig is currently seeking talented and motivated candidates for a Principal Transmission Line Engineer role supporting, managing, and leading transmission & distribution projects across both Power and Renewable lifelines. This critical role will have responsibility for design and/or coordination of High Voltage (69kV-500kV) transmission lines utilizing the PLS-CADD software, as well as developing the team and acting as a primary client-facing Subject Matter Expert (SME) to help grow our team. What You'll Do The ideal candidate has excellent problem solving skills; uses advanced techniques, theory, precepts and practices to complete complex high voltage and extra high voltage electric transmission line project assignments. They will adapt and modify standard techniques to solve multifaceted problems and provide expert consultation for the design, development and implementation of technical plans and systems used in the construction of high voltage...

Salary : $140,447.00 - $212,780.00 Annually Location : BART Headquarters - 6th Fl Job Type: Full-Time Job Number: 202600177 Executive Office: Operations Cost Center: Civil/Struc/Track Engineering Opening Date: 08/10/2026 Closing Date: 10/10/2026 11:59 PM Pacific FLSA: Exempt Bargaining Unit: Non-Represented Employees Marketing Statement Ride BART to a satisfying career that lets you both: 1) make a difference to Bay Area residents, and 2) enjoy excellent pay, benefits, and employment stability. BART is looking for people who like to be challenged, work in a fast-paced environment, and have a passion for connecting riders to work, school and other places they need to go. BART offers a competitive salary, comprehensive health benefits, paid time off, and the CalPERS retirement program. Job Summary Note: This job announcement closes on October 10, 2026 at 11:59 PM Pacific Time. Applications for this job posting will be reviewed in batches based on the...

Description Job Title Engineer 3/4 (R&D Engineer) Location Los Alamos, NM, US Organization Name AOT-RFE/Accelerator Operations and Technology Division Radio Frequency Engineering Minimum Salary Maximum Salary This position is open for external candidates only to apply. What You Will Do The Accelerator Operations and Technology Division (AOT), Radio Frequency Engineering (RFE) group is seeking an R&D Engineer Level 3 or Level 4 for their 201 MHz HPRF team. The AOT division maintains, operates, and upgrades all accelerator systems used at the Los Alamos Neutron Science Center (LANSCE) complex. These consist of two 750-keV Cockcroft-Walton-based injector systems (H+ and H- systems), a 201.25-MHz drift-tube linear accelerator (LINAC) utilizing high-power diacrode tubes, an 805-MHz coupled cavity LINAC utilizing high-power klystrons as the primary power source, a proton storage ring, and roughly a kilometer of beam transport lines that deliver beam to the...