Startup Business Development Lead Jobs

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a New Graduate Propulsion Engineer to support the development of next-generation propulsion and energetic systems for advanced defense applications. Depending on your experience and interests, you may contribute to propulsion engineering, mechanical design, fluid systems, test engineering, hardware integration, or propulsion test operations. You will work directly with propulsion hardware and help take systems from initial design through component testing, integrated hot-fire testing, and flight. This role is ideal for a hands-on engineer who enjoys designing hardware, building test systems, analyzing data, and solving challenging engineering problems in a fast-paced development environment. Key Responsibilities Support the design, development, assembly, integration, and testing of rocket, turbine, thruster, and other aerospace propulsion systems. Design mechanical components, fluid systems, pressure systems, test fixtures, ground-support equipment, and propulsion test stands. Develop CAD models, engineering drawings, bills of materials, assembly procedures, and test documentation. Perform engineering analyses involving thermodynamics, fluid flow, heat transfer, structural loads, and propulsion performance. Support com

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a New Graduate Flight Test & Operations Engineer to support the testing and operation of next-generation autonomous defense platforms. This position spans our Flight Test and Flight Operations organizations, providing exposure to flight-test engineering, test planning, vehicle operations, field testing, and mission execution. You will work closely with flight operations, systems, GNC, software, avionics, and energetics engineers to plan and safely execute test campaigns. This role is ideal for a hands-on, highly organized engineer who wants to work directly with aircraft, spend time in the field, and help take developing systems from initial ground tests through flight. Key Responsibilities Support the planning and execution of ground and flight-test operations for unmanned aircraft systems. Develop test plans, procedures, concepts of operations, test cards, readiness-review materials, and post-test reports. Coordinate test activities across flight operations, systems, GNC, avionics, software, energetics, and other engineering teams. Support test campaigns through preparation, systems checks, dry runs, readiness reviews, day-of-test execution, and post-test analysis. Assist with aircraft preparation, ground-control

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a New Graduate Vehicle Performance Engineer to support the analysis, design, and optimization of next-generation autonomous defense systems. Depending on your experience and interests, you may contribute to aerodynamics, aerothermal analysis, thermal systems, vehicle performance, trajectory analysis, or multidisciplinary design analysis and optimization (MDAO). You will work alongside engineers across vehicle design, propulsion, structures, GNC, systems, and test to evaluate vehicle concepts, understand key performance drivers, and guide engineering decisions. This role is ideal for an analytically strong engineer who enjoys solving multidisciplinary problems and using modeling, simulation, and test data to improve real-world vehicle performance. Key Responsibilities Analyze the aerodynamic, aerothermal, thermal, and mission-level performance of aircraft, missiles, and other autonomous defense platforms. Develop analytical models and simulation tools to evaluate vehicle performance across operating conditions and mission profiles. Perform aerodynamic and thermal analyses using computational, reduced-order, and first-principles methods. Support vehicle sizing, configuration development, trajectory analysis, and multidis

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a New Graduate Software Engineer to develop software for next-generation autonomous defense systems. Depending on your experience and interests, you may contribute to embedded software, firmware, flight software, autonomy, simulation, developer infrastructure, or mission applications. You will collaborate with engineers across avionics, GNC, systems, test, and hardware to build, integrate, and deploy reliable software on real-world platforms. This role is ideal for a hands-on engineer who enjoys solving challenging technical problems, learning across disciplines, and taking ownership of software from initial development through testing and deployment. Key Responsibilities Develop, test, and maintain software for autonomous aircraft, missiles, propulsion systems, and related defense platforms. Write clean, efficient, and well-tested code in C, C++, Rust, Python, or similar languages. Contribute to one or more technical areas, including embedded software, firmware, flight software, autonomy, simulation, mission applications, and developer infrastructure. Collaborate with avionics, GNC, systems, test, and mechanical engineers to support hardware-software integration. Build tools, automated tests, and simulation environmen

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a New Graduate Guidance, Navigation, and Controls (GNC) Engineer to support the development of next-generation autonomous defense systems. In this role, you will help design, simulate, test, and integrate algorithms that enable our vehicles to navigate, maneuver, and complete their missions. You will work closely with flight software, avionics, aerodynamics, propulsion, systems, and flight-test teams to take GNC capabilities from early simulation through hardware testing and flight. Key Responsibilities Develop and test guidance, navigation, and control algorithms for autonomous aircraft and missile systems. Build simulations and models to evaluate vehicle dynamics and system performance. Support the development of flight-control laws, guidance algorithms, navigation filters, and state-estimation methods. Analyze flight and test data to evaluate performance and identify opportunities for improvement. Support software-in-the-loop, hardware-in-the-loop, ground, and flight testing. Integrate GNC algorithms with flight software, sensors, actuators, avionics, and propulsion systems. Perform Monte Carlo simulations and sensitivity analyses across different operating conditions. Document algorithms, simulation results, test p

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a New Graduate Electrical & Avionics Engineer to support the design, development, integration, and testing of electrical systems for next-generation autonomous defense platforms. In this role, you will work across circuit-board design, avionics, power distribution, communications, vehicle harnessing, and hardware testing to take systems from early prototypes through flight-ready production hardware. You will collaborate closely with mechanical, software, systems, manufacturing, and test engineers to rapidly build, troubleshoot, and validate reliable electrical systems. This role is ideal for a hands-on engineer who wants broad technical ownership, learns quickly, and is excited to build critical hardware in a fast-paced environment. Key Responsibilities Design and develop electrical and avionics systems for autonomous aircraft, missiles, propulsion systems, and related defense platforms. Support schematic capture, component selection, PCB layout, stack-up design, and board bring-up. Design circuits incorporating microcontrollers, high- and low-speed communication buses, analog and digital interfaces, sensors, power distribution, EMI protection, and ESD protection. Develop flight avionics, guidance and control elect

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach's Spring 2027 Engineering Internship is open for future engineers and builders who want to work with us. This is a paid, in-person, 12-week internship. Depending on your background and team placement, you might work on: Autonomous systems — guidance, control, and navigation software for unmanned platforms Embedded firmware and real-time software for flight and drive systems Mechanical and structural design, manufacturing, and test of hardware components Propulsion, energetics, or systems integration for new defense platforms Tools, infrastructure, and simulations that accelerate engineering velocity What We're Looking For Enrollment in a BS, MS, or PhD program in mechanical, aerospace, electrical, computer science / engineering, or a related engineering discipline Intellectual curiosity and the drive to own problems end-to-end Genuine interest in defense technology, national security, or the future of autonomous systems Ability to complete in an in-person 12-week internship in one of our offices in spring 2027 Additional Requirements Available to work extended hours and weekends as needed ITAR Requirements To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent re

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a New Grad Mechanical Engineer to join our team in designing, prototyping, and iterating on mechanical and electromechanical systems that support next-generation defense platforms. In this hands-on role, you’ll contribute to the development of innovative manufacturable hardware. At Mach Industries, we are redefining the future of defense through advanced, scalable platforms. As a Mechanical Engineer, you will play a key role in prototyping and refining mechanical systems, and optimizing designs for performance and scalability. Collaborating with a multidisciplinary team, you’ll help shape the next wave of defense technologies, from concept to deployment. Key Responsibilities Own the mechanical design and development of subsystem-level hardware, from early CAD concepts to functional prototypes, all the way through mass production. Integrate mechanical systems with sensors, actuators, and embedded control hardware. Lead hands-on testing, including design validation and hardware iteration based on performance feedback. Drive manufacturability, part selection, and tolerance stack-up decisions for scalable production. Apply mechanical fundamentals (thermal, structural, materials) to inform robust, lightweight designs. Contr

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a New Grad Manufacturing Engineer to own the industrialization of our products for high-rate production. In this role, you will work closely with the Product Engineering, Build Engineering, and Manufacturing Operations teams to design, validate, and launch high-volume manufacturing systems using cutting-edge Manufacturing Engineering techniques. This role is focused on building at scale— delivering reliable hardware at speed. At Mach Industries, we are building decentralized, autonomous systems to maintain an allied American edge in modern warfare. As a Manufacturing Engineer, you will play a pivotal role in developing flexible, adaptable manufacturing systems that enable rapid production at scale. Working with a world-class engineering team, you will bridge the gap between design and rate-manufacturing, delivering solutions that ensure manufacturability, cost-efficiency, and maximum speed of ramp. Key Responsibilities Take extreme ownership of production planning from late-stage prototype builds through Mass-Production ramp at Mach’s Forge Factories. Design high-throughput manufacturing systems that achieve world-class First-Pass-Yield at target cycle times. Drive product design optimization using first-principles DFM

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking an MDAO Engineer to develop the engineering models, software, and optimization workflows that enable rapid, rigorous vehicle design across Mach's product suite. You will help shape an expanding MDAO capability and build the tools that Conceptual Design and Operational Performance engineers use to evaluate vehicle concepts and make better design decisions. This is a software and model development role grounded in aerospace engineering. You will create reusable multidisciplinary analysis capability, connect models across vehicle disciplines, and advance the optimization and automation methods that make design studies faster and more reliable. You will also work directly with the engineers using these tools, including applying new capabilities to real vehicle studies when needed. This role is part of MDAO within Mach's Vehicle Design and Performance organization, alongside Conceptual Design and Operational Performance. Conceptual Design creates, Operational Performance assesses, and MDAO enables. You will collaborate across Aerodynamics, Propulsion, Structures, GNC, and other engineering teams, with opportunities to influence both the technical direction of our MDAO capability and the vehicles it supports. The ideal candi

Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide, Replit is democratizing software development by removing traditional barriers to application creation. About Replit Replit is building the world's most ubiquitous AI coding agent. Replit Agent can be used by anybody to bring their ideas to life. Whether it's an app for yourself, the next great startup idea, or a tool to make you more productive at work, Replit Agent can help build it. Replit is also the leader in secure vibe coding. We protect apps, give users features to manage security risks, and help them vibe code more safely. About the role: Replit is changing how people and companies turn ideas into software. Reaching those customers requires engineering that connects acquisition to the product experience and gives teams trustworthy evidence about what works. This role goes beyond operating conventional marketing technology. You will rethink growth systems for a world where agents can observe performance, diagnose problems, take action, and learn from the result. As the founding engineer for Growth Enablement, you will set the technical direction for this area. You will build agentic systems alongside shared foundations for attribution, audiences, lifecycle engagement, referrals, and promotions. The work spans web, mobile, billing, and data. You will work directly with marketing, sales, and partnerships to find the highest-leverage problems and ship the first solutions. Successful projects will become platforms that help these teams move faster and give Replit a clearer view of what drives durable growth. You will: Design agentic growth systems that monitor performance, diagnose failures, run approved experiments, and improve from the results. Explore AI-native approaches to answer engine optimization, campaign operations, audience discovery, and measurement. Build acquisition measurement across web and mobile, in

About AiDASH AiDASH is leading the PreventionFirst™movement for electric utilities and transforming grid resilience through its pioneering platform that unifies vegetation, asset, storm, and wildfire intelligence. Powered by SatelliteFirst™ Inspection & Monitoring, AiDASH delivers comprehensive visibility across the entire grid at the right frequency and budget, using the right data modality. More than 200 customers trust AiDASH to keep the lights on, spend where it counts, and defend every decision, Securing Tomorrow across every mile of the grid. Learn more at www.aidash.com. The PreventionFirst movement is growing, and so is the recognition behind it. In 2026, Forbes named AiDASH one of America's Best Startup Employers for the 4th consecutive year, and TIME included AiDASH among America's Top GreenTech Companies for the 3rd year in a row. Deloitte Technology Fast 500 ™ ranked AiDASH No. 12 in the San Francisco Bay Area, and No. 59 overall in their selection of the top 500 for 2024. Join us in Securing Tomorrow Together! The Role As a Geospatial Analyst at AiDASH, you will produce high-quality annotated datasets from diverse imagery sources — satellite, LiDAR, aerial, and ground-based panoramic images and videos. Your work will directly feed AI/ML pipelines and client deliverables that protect critical infrastructure. This role demands a sharp eye for detail, comfort working with visual and geospatial data at scale, and fluency with modern AI tools. You won’t just annotate images; you’ll build AI-accelerated workflows that make the entire team faster. How You’ll Make an Impact Annotate and label imagery (satellite, LiDAR, aerial, drone, ground-based panoramic photos and videos) to identify, classify, and delineate features such as vegetation, assets, terrain, and infrastructure components Prepare,

Opportunity ThermalWorks has an exciting opportunity for someone passionate about sustainability and eager to be part of an innovative company that’s on a journey to transform the world’s infrastructure. We are seeking an Application Engineer to serve as the technical bridge between ThermalWorks products and their projects. You will review design drawings for accuracy and fit, work with customer design engineers on equipment application, support our estimating group with technical input, and provide engineering support to the project management team and ThermalWorks customers. Key Responsibilities Include but are not limited to: Review design drawings and submittals for cooling system application accuracy — equipment selection, capacity, and hydronic configuration Interface with customer and consulting design engineers to assess and validate equipment application Support the estimating group with equipment selections and technical scope input for accurate proposals Provide engineering support to the project management team — technical questions, drawing conflicts, RFI and submittal responses Support customers with application and technical questions through installation and startup Feed field experience back into R&D and Product Development to improve products and quality Education and Experience Bachelor's degree in Mechanical Engineering or related field 8+ years of mechanical engineering experience in cooling equipment application or design review Expertise in data center cooling systems Experience with chillers, CDUs, and liquid cooling for AI or hyperscale deployments Applications engineering background at a cooling equipment manufacturer Specific Skills / Abilities Fluent in mechanical design documents, schedules, and hydronic schematics Strong client communication skills — comfortable working directly with customer engineers and consultants Working at Endeavour Innovate at Speed: Thrive in a fast-paced, entrepreneurial environment where your ideas actuall

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role The Sr Embedded Software Engineer will play a key role in developing advanced RF sensing capabilities for Mach’s autonomous defense platforms. Working on the DART team, you will focus directly on next-generation counter-UAV radar systems and RF seekers. You will be responsible for designing, implementing, verifying the performance and optimizing radar software across the full development lifecycle; from board bring-up to writing the low-latency embedded software that powers Mach’s radar and RF sensing technologies. This role involves close collaboration with cross-functional teams to ensure high-performance, low-latency radar systems that meet mission-critical requirements. Success in this role requires strong technical execution, adaptability, and a hands-on approach in a fast-paced, iterative environment. Key Responsibilities Build next generation counter-UAV defense systems that will be used to defend human lives, critical infrastructure, and high value assets for the United States and its allies. Write high-performance, well-tested production code in C/C++ across platforms ranging from low-power MCUs to high-performance multi-core processors. Develop and maintain radar and RF sensing systems signal processing pipelines ensuring real-time per

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role As a member of the engineering team, you will take a lead role in the development of next-generation defense technologies, including but not limited to unmanned aerial vehicles (UAVs), missiles, and advanced weapon systems. You’ll regularly interact with senior leadership to influence fundamental operation of our platforms while collaborating with electrical, software, mechanical, and manufacturing teams to steer this project from initial conception to manufacturing. Key Responsibilities Design of advanced RF front ends and transceivers in support of next generation products including phased arrays, transmitters, and receivers. Mastery and expertise of RF components such as matching networks, filter synthesis, LNAs, Mixers, VGA, PLL/Synthesizers, and VCOs. Design, schematic capture, and PCB layout of RF transceivers and High-Speed circuits. Utilize best practice and strategies to minimize and troubleshoot EMI/RFI issues. Perform design validation testing of prototype and production designs with test equipment such as signal generators, spectrum/signal analyzers, network analyzers, power meters, noise figure meters, and etc. Contribute to various aspects of the integration of the RF/Microwave designs into aircraft and other systems. Analyze in-th