Sr Mechanical Engineer AECOMSr Mechanical EngineerSan Francisco, CA$140,000–$175,000 / yearReqID:** J10153511 **Business Line:** B&P - Buildings & Places **Business Group:** DCS **Strategic Business Unit:** West **Career Area:** Engineering **Work Location Model:** Hybrid **Compensation:** USD 140000 - USD 175000 - yearly AECOM’s Bay Area Buildings + Places team is seeking a **Senior Mechanical Engineer** to provide technical leadership, mentor emerging talent, and deliver complex HVAC and building systems solutions across a diverse portfolio of projects.
Senior Piping Engineer (Power Generation / Gas-to-Power) Candid IntelligenceSenior Piping Engineer (Power Generation / Gas-to-Power)San Francisco, CaliforniaStrong on power plant piping: high-energy steam cycle (main steam, hot and cold reheat, feedwater), plus fuel gas, condensate, cooling water, and balance of plant piping. Think combined cycle, simple cycle and peakers, gas-to-power for data centers and behind-the-meter campuses, LNG, and cogeneration, with the high-energy steam cycle and balance of plant piping that goes with them.
Principal Software Engineer, Data Infrastructure RobloxPrincipal Software Engineer, Data InfrastructureSan Mateo, CA$295,250–$345,040 / yearCross-Organizational Technical Leadership: A proven track record of influencing technical direction across a large engineering organization, leading consensus on complex architectural initiatives, and championing successful multi-quarter projects. You do not wait for clean specifications in high-ambiguity environments; you actively define the technical requirements, unblock dependencies, rally engineers across pods, and steer complex projects from initial whiteboard sketch all the way to production stability.
NewHVAC BIM Modelin6 Engineer Ursus, Inc.HVAC BIM Modelin6 EngineerFremont, CA$52–$55 / hourModel mechanical systems to defined Levels of Development (LOD 300–400) and maintain data-rich models, including parameters for equipment tags, flow rates, and pressure drops. The ideal candidate has a proven track record producing HVAC BIM content from design development through construction administration, and works effectively across disciplines including architectural, structural, electrical, plumbing, and fire protection teams.
Lead Mechanical Engineer, Compute Systems Cowboy SpaceLead Mechanical Engineer, Compute SystemsSan Carlos, CaliforniaOur satellites operate in Low Earth Orbit to collect sunlight and enable a new class of capabilities—from powering on-orbit compute, to transmitting energy via infrared lasers (space-to-earth and space-to-space), powering on-orbit compute to delivering secure, high-bandwidth optical data. Export Control Requirement: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), applicants must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.
Test Engineer II Form EnergyTest Engineer IIBerkeley, CAWhat you'll do: Test Strategy & Execution: Develop, execute, and own comprehensive qualification test strategies, running shaker table random vibration, shock, and seismic testing campaigns across battery modules, enclosures, and structural assemblies. This is a highly impactful, hands-on opportunity to join a growing team and establish the testing frameworks that ensure our revolutionary grid-scale technology survives real-world environments.
Field Applications Engineer IronRidgeField Applications EngineerHayward, CA$100,000–$112,000 / yearUnder Enstall Solar Group's corporate umbrella, along wit, Quick Mount, and PanelClaw, we are part of the largest rooftop solar mounting and racking hardware group in the U.S. For over 30 years, we have worked closely with solar professionals to build strong, simple, and cost-effective products. The Field Applications Engineer is primarily responsible for cultivating business opportunities through activities such as technical product application support, product demonstrations, joint calls with sales personnel, direct customer visits, and product training.
NewEngineer Electrical; San Francisco, CA Career CollectiveEngineer Electrical; San Francisco, CASan Francisco, CaliforniaKnowledge of design techniques, tools, and principles involved in production of precision technical plans and drawings; Knowledge and prediction of physical principles, laws, and their interrelationships, and applications to understanding fluid, material, and atmospheric dynamics; Skill in the use of Microsoft Office programs, CAD software and BIM; Ability to clearly communicate in both oral and written communication to individuals or groups. Summary: The individual performs calculations, system design, equipment selections, reports, progress submittals and BIM instructions for their project to assure project completeness and accuracy within the allocated period of time and monetary budget.
Sr Mechanical Finite Element Analysis (FEA) Engineer SA TechnologiesSr Mechanical Finite Element Analysis (FEA) EngineerSan Jose, CaliforniaYou will drive mechanical architecture and compliance of Frore Systems’ cutting-edge cooling solutions across servers and racks, ensuring scalable, energy-efficient, and reliable cooling for high-density workloads, specifically xPUs for AI/ML and HPC. As a CMMI Level 5 and Great Place to Work® Certified global IT consulting and services company—and recognized as one of the Best Places for Women—we are committed to building an inclusive, supportive, and high-performance workplace.
Resident Engineer UNICO EngineeringResident EngineerConcord, CASpecific responsibilities include being an owner's representative, attending and running client and contractor meetings, reviewing plans and specifications and ensuring compliance with documents, providing project documentation in the form of letters, RFI/Submittal responses, change orders, etc., overseeing field inspection, supervising project inspection teams, and providing technical guidance and quality assurance, maintaining project controls including cost and schedule management. Must have experience working in a team environment, and have the ability to direct and supervise field construction activities and staff, office engineering, inspection, materials testing, field contract administration, and to act as liaison with clients/owners, consultants, contractors, design professionals, public involvement and regulatory agencies.
Senior/Staff Loads & Dynamics Engineer 1XSenior/Staff Loads & Dynamics EngineerSan Carlos, California$207,000–$253,000 / yearWorking at the intersection of mechanical engineering, controls, systems engineering, and hardware validation, the team plays a critical role in delivering robots that withstand demanding operating conditions while providing a refined user experience. You will define the structural loading environment, develop simulation and experimental validation methods, and ensure hardware designs meet demanding requirements for shock, vibration, durability, acoustic performance, and control stability throughout the product lifecycle.
Structures Design Engineer Executive Recruiting GroupStructures Design EngineerSan Francisco, CADocument work clearly and maintain configuration control of designs and modelsLearn from senior engineers and steadily grow technical depth and autonomy. You’re eager to apply your engineering education and early career experience to real aircraft hardware, while learning from experienced engineers across disciplines.
Member of the Technical Staff - Chatbot Engineer Two DotsMember of the Technical Staff - Chatbot EngineerSan Francisco, CaliforniaWe believe that public and private policy has to change, and that involves breaking the system that conceals our affordability crisis and leaves people without the disposable income required to live satisfying lives, fueling resentment and political instability that turns problems at home into problems for the world. Other team members include: Meta ML alumnus with decades of experience, a 21 year old UMich grad who was a top 2,000 LoL player (he is no longer playing the game, thank god), and a former agave farmer who started a shipping and logistics company while at Stanford.
Senior Mechanical engineer DexmateSenior Mechanical engineerFremont, CaliforniaDeep familiarity with modern manufacturing processes and when to apply each: CNC machining (3- and 5-axis), injection molding, die casting, sheet metal fabrication, MIM (metal injection molding), investment casting, and surface finishing processes (anodizing, PVD, powder coat); understanding of process tradeoffs across cost, tolerance, lead time, and volume. Demonstrated ability to take a mechanical design from working prototype to production-ready — including DFM iterations, supplier qualification, first-article inspection, and manufacturing yield validation; candidates who have only operated in R&D or prototype-only environments are not a fit for this role.
Senior Process Engineer SubstrateSenior Process EngineerSan Francisco, CaliforniaM.S. or higher degree in chemical engineering, electrical engineering, materials science, mechanical engineering, physics, or a related discipline in the physical or engineering sciences. At the intersection of advanced manufacturing and cutting-edge physics, we are developing technologies that will reshape the semiconductor industry and strengthen America's technological leadership.
Founding Product Engineer CranstonFounding Product EngineerSan Francisco, CaliforniaMax ran an accounting firm that filed 10,000+ tax returns and saw the same problem from inside the work itself: firms losing their best hours to document chasing, data entry, reconciliations, cleanup, and handoffs. You will turn what we learn from firms into durable product: interfaces, automations, review loops, workflow primitives, data models, and agent behavior that work across customers.
Staff Modeling and Simulation Engineer Commonwealth Fusion SystemsStaff Modeling and Simulation EngineerMilpitas, CARun Multi-Physics Analysis: Build, run, and evaluate highly coupled simulations covering structural mechanics, high-temperature thermal management, fluid/gas flow dynamics, and chemical reaction kinetics. Collaborate & Interface: Partner closely with cross-functional teams, including Mechanical Designers, Electrical Engineers, Materials Scientists, and Chemical Specialists, to translate simulation insights into actionable hardware modifications.
Superconducting Engineer - Fully Remote MercorSuperconducting Engineer - Fully RemoteSan Francisco, CaliforniaRemoteHands-on experimental experience with one or more classes of superconducting materials , including cuprate/high-temperature superconductors, iron-based superconductors, conventional superconductors, MgB, REBCO/YBCO systems, or emerging superconducting materials . Design and solve challenging, expert-level problems involving critical temperature (Tc), critical current density (Jc), critical magnetic fields, magnetic susceptibility, electrical transport, flux pinning, vortex behaviour, and structure–property relationships .
Senior Technical Sales Engineer - Ebos Nextracker Inc.Senior Technical Sales Engineer - EbosFremont, CA$155,000–$165,000 / yearServe as the primary interface between customers, Sales, Engineering, Product Management, Manufacturing, and Field Operations to ensure successful deployment, performance optimization, and continuous improvement of eBOS products and deployed systems. Job Description: Lead the technical strategy, sales support, deployment readiness, and lifecycle management of Electrical Balance of System (eBOS) solutions across pre-installation, installation, commissioning, and operational phases.
Staff Systems Engineer Motive CompaniesStaff Systems EngineerAlameda, CA$150,000–$190,000 / yearWe are seeking a Staff Space Products Systems Engineer to lead the architecture, integration, and lifecycle management of spacecraft hardware for low Earth orbit (LEO) missions. Verification & Validation: Develop and execute system-level test plans; verify requirements through analysis, inspection, and flight-representative testing.