Program Development Scientist at Rainmaker | El Segundo, CA

RainmakerEl Segundo, CA

On-site Full-time

Clicking Apply Now takes you to AutoApply where you can tailor your resume and apply.

Experience Level

Experience

Qualifications

The ideal candidate will possess a solid foundation in atmospheric science or a related field, with experience in scientific research and data analysis. Strong communication skills and the ability to convey complex scientific concepts to diverse audiences are essential. A passion for innovative solutions to environmental challenges is highly desirable.

About the job

As a Program Development Scientist, you will play a pivotal role in translating our scientific discoveries into impactful business opportunities. Your responsibilities will encompass overseeing the development of cloud seeding programs, serving as a scientific authority during customer interactions, analyzing and enhancing seedability evaluations, and contributing significantly to feasibility studies and other sales documentation. This position offers a pathway to advance into a lead scientist or technical business development leadership role.

About Rainmaker

Rainmaker is at the forefront of developing innovative solutions for water scarcity and weather-related challenges, working towards a sustainable future through advanced technology and scientific expertise.

Similar jobs

Browse all companies, explore by city & role, or SEO search pages. View directory listings: all jobs, search results, location & role pages.

1 - 20 of 120 Jobs

Search for Senior Scientist In Biologics Formulation

120 results

Select all on this page (20)

Apply

Senior Scientist in Biologics Formulation

Varda Space Industries

Full-time|$140K/yr - $180K/yr|On-site|El Segundo, California, United States

About VardaUnlocking the potential of Low Earth Orbit. Varda is at the forefront of commercial space infrastructure, pioneering in-orbit pharmaceutical processing and developing efficient reentry capsules.We are transforming the orbital economy to produce life-saving pharmaceuticals and advanced materials that benefit life on Earth. Varda is on a mission to …

Apr 1, 2026

Apply

Biologics Formulation Scientist

Varda Space Industries

Full-time|$100K/yr - $140K/yr|On-site|El Segundo, California, United States

About Varda Space IndustriesWelcome to the Future of Space Commerce: Low Earth Orbit is Open for Business. At Varda, we are pioneering the advancement of commercial space infrastructure, ranging from in-orbit pharmaceutical processing to the creation of reliable and cost-effective reentry capsules.Our mission is to create innovative solutions that can only be realized in space, enhancing life on Earth through groundbreaking products, including life-saving pharmaceuticals and advanced fiber optics. Varda is dedicated to expanding the economic capabilities of humanity.Our exceptional team is composed of industry veterans from SpaceX, Blue Origin, leading pharmaceutical firms, and Silicon Valley. Founded in January 2021 by Will Bruey and Delian Asparouhov, Varda enjoys strong support from top-tier investors such as Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.Headquartered in El Segundo, California, we operate an advanced production facility where our vehicles, equipment, and materials are designed, assembled, and rigorously tested. We further extend our presence with offices in Washington, DC, and Huntsville, AL.Join us at Varda as we work towards establishing a thriving in-space ecosystem.About This PositionWe are seeking a driven early-career Scientist to join our Biologics Formulation team. In this role, you will have the unique chance to engage in the development of next-generation protein formulations utilizing innovative high-throughput automation technologies.

Feb 13, 2026

Apply

Analytical Scientist at Varda | El Segundo, California

Varda

Full-time|$100K/yr - $160K/yr|On-site|El Segundo, California, United States

About VardaUnlocking the potential of Low Earth Orbit. At Varda, we are pioneering the next generation of commercial space infrastructure, ranging from in-orbit pharmaceutical production to cost-effective reentry capsules.Our innovations are set to transform how life-saving pharmaceuticals and advanced fiber optics are produced, addressing challenges that can only be met in the unique environment of space. We are committed to fostering growth in the orbital economy by developing both the products and the necessary infrastructure that will directly enhance life on Earth. Our vision is to broaden the economic horizons of humanity.Our diverse team includes industry veterans from SpaceX, Blue Origin, leading pharmaceutical firms, and Silicon Valley. Founded in January 2021 by Will Bruey and Delian Asparouhov, we are backed by prestigious investors such as Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.Based in El Segundo, California, Varda is equipped with offices and a production facility where we design, integrate, and test our spacecraft, tools, and materials. We also maintain offices in Washington, D.C., and Huntsville, Alabama.Join Varda and contribute to building a vibrant in-space ecosystem.About This RoleOur pharmaceutical team is seeking a driven and innovative Analytical Scientist to spearhead the enhancement of therapeutics utilizing microgravity. This position presents a thrilling opportunity for growth at Varda, where you will significantly influence our product culture and play a vital role in our mission.

Jan 27, 2026

Apply

Data Scientist in Sales at Rainmaker | El Segundo, CA

Rainmaker

Full-time|On-site|El Segundo, CA

About Rainmaker Rainmaker works to address water scarcity using advanced cloud seeding technology. The team combines radar systems, unmanned aircraft, and a weather awareness platform to help manage natural resources and improve freshwater availability. By increasing precipitation, Rainmaker supports ecological restoration, aquifer recharge, and lowers wildfire risks. Based in El Segundo, CA, Rainmaker is part of a growing deep-tech community. The company values rapid iteration and practical engineering solutions. Role Overview: Data Scientist in Sales This Data Scientist will work closely with Business Development and Program Development teams. The focus: analyze and communicate the economic benefits of Rainmaker's initiatives, especially the value of increased snowpack and water resources. The role also involves building data infrastructure that connects Rainmaker's operations to real-world outcomes for agriculture, municipalities, utilities, and environmental groups. The position blends environmental science, economics, and data storytelling. Expect to work with varied datasets, weather, hydrology, commodity prices, land use, and economic indicators, to deliver benefit analyses that help form partnerships and support program expansion. Key Responsibility Economic Benefit Modeling: Build and refine models that measure the financial impact of added precipitation for sectors like agriculture, hydropower, municipal water supply, wildfire mitigation, and ecosystem services. Location This position is based in El Segundo, CA.

Apr 15, 2026

Apply

Program Development Scientist at Rainmaker | El Segundo, CA

Rainmaker

Full-time|On-site|El Segundo, CA

Join Rainmaker, a trailblazer in modern cloud seeding technology, dedicated to combating water scarcity and adverse weather conditions. We leverage cutting-edge radar and satellite validation, resilient unmanned aerial systems (UAS), and advanced weather modeling to deliver effective precipitation enhancement solutions. As a Program Development Scientist, you will play a pivotal role in translating our scientific discoveries into impactful business opportunities. Your responsibilities will encompass overseeing the development of cloud seeding programs, serving as a scientific authority during customer interactions, analyzing and enhancing seedability evaluations, and contributing significantly to feasibility studies and other sales documentation. This position offers a pathway to advance into a lead scientist or technical business development leadership role.

Apr 6, 2026

Apply

Senior SOX Auditor

Mattel, Inc.

Full-time|On-site|El Segundo

Join Mattel, Inc. as a Senior SOX Auditor and play a pivotal role in ensuring the integrity of our financial processes. This exciting position involves evaluating internal controls, conducting risk assessments, and collaborating with cross-functional teams.As a Senior Auditor, you will be responsible for developing audit plans, executing SOX compliance audits, and providing insightful recommendations to enhance operational efficiency. Your expertise will guide our organization in maintaining compliance standards and fostering a culture of accountability.

Apr 8, 2026

Apply

Senior Manufacturing Engineer

Radiant Industries

Full-time|On-site|El Segundo HQ

Senior Manufacturing EngineerJoin Radiant Industries as a Senior Manufacturing Engineer, where you will collaborate with design engineers to revolutionize the production of intricate mechanisms and structures essential to our innovative microreactor technology. Your role will be critical in ensuring the reliability, safety, quality, and timely delivery of the Kaleidos demonstration unit, set for testing at the Idaho National Lab in 2026—marking the first new reactor design in over 50 years.Key Responsibilities:Oversee the manufacturing and inspection processes of vital components and assemblies within the Kaleidos microreactor.Collaborate with design engineers to create innovative production methods for complex mechanisms and structures.Develop, validate, and optimize manufacturing processes to fulfill all design and business requirements, including safety, quality, efficiency, and delivery timelines.Formulate and implement manufacturing specifications and fabrication instructions.Manage the manufacturing bill of materials (mBOM) for components and assemblies.Identify, evaluate, and establish partnerships with suppliers for component sourcing and fabrication.Identify, plan, and execute upgrades to capital equipment, machinery, and layout to adapt to evolving production needs.Lead initiatives that promote continuous improvements in manufacturing processes and product quality.

Oct 2, 2025

Apply

Senior Accounting Manager

picogrid

Full-time|On-site|El Segundo, CA

Join our dynamic team at picogrid as a Senior Accounting Manager. In this pivotal role, you will oversee all accounting operations, ensuring accuracy and compliance while guiding a talented team of professionals. You will play a key role in financial reporting, budgeting, and strategic planning, contributing to our company’s success and growth.

Apr 3, 2026

Apply

Senior PX4 Developer

make-rain

Full-time|On-site|El Segundo, CA

make-rain develops autonomous drone fleets and weather modification technology aimed at improving global freshwater access and supporting agriculture. The team tackles large-scale projects using cloud seeding and related techniques to address water scarcity challenges. Role overview This Senior PX4 Developer position is based in El Segundo, CA. The role centers on advancing drone autonomy and embedded systems, with a particular focus on PX4 firmware development and simulation testing. As part of the engineering team, this person will work on projects that push the boundaries of drone technology for environmental impact. What you will do Lead technical efforts within the drone autonomy software stack, acting as a subject matter expert Adapt and enhance PX4 firmware to meet specific mission requirements and flight behaviors Develop embedded firmware, including work on power management, integrating peripherals, and supporting sensors Set up and execute simulation tests using Gazebo, HITL, and SITL environments Support flight testing, analyze flight logs, and troubleshoot software issues as they arise Requirements Extensive programming experience in C and C++ Solid understanding of drone flight dynamics and control systems Hands-on experience with simulation tools and testing workflows Comfortable working independently and making technical decisions Willingness to relocate to El Segundo, California

Apr 24, 2026

Apply

Senior Structures Engineer

VardaSpace

Full-time|On-site|El Segundo, California, United States

Join VardaSpace as a Senior Structures Engineer and be at the forefront of innovative aerospace solutions. In this pivotal role, you will lead the design and analysis of structural components for space vehicles, ensuring safety and performance in the demanding environment of space. You will collaborate with a passionate team of engineers and contribute to groundbreaking projects that push the boundaries of technology.

Mar 25, 2026

Apply

Senior Quality Engineer

Mattel, Inc.

Full-time|On-site|El Segundo

Mattel, Inc. seeks a Senior Quality Engineer based in El Segundo. This role centers on upholding and improving quality standards across several product lines. The position plays a key part in ensuring that products meet expectations from development through production. Key responsibilities Use quality assurance methods and tools to enhance processes Monitor product quality at every stage, from development to production Collaborate with teams to ensure products are reliable and meet quality goals This role focuses on both maintaining current standards and identifying opportunities to raise the bar for product quality at Mattel.

Apr 22, 2026

Apply

Senior Manager of Quality Engineering

Mattel, Inc.

Full-time|On-site|El Segundo

Join Mattel, Inc. as the Senior Manager of Quality Engineering, where you will play a pivotal role in ensuring the highest standards of quality in our innovative products. In this dynamic position, you will lead and mentor a team of skilled engineers, driving quality initiatives that align with our commitment to excellence. Your expertise will directly contribute to enhancing product performance, reliability, and safety, making a meaningful impact on the lives of children and families around the world.

Apr 1, 2026

Apply

Senior Software Engineer, Infrastructure

Siftstack

Full-time|$170K/yr - $220K/yr|On-site|El Segundo, CA

At Sift, we are pioneering the future of infrastructure for modern machines, transforming the way they are constructed, tested, and managed. Our innovative platform offers engineers unparalleled real-time observability over high-frequency telemetry, effectively eliminating bottlenecks and facilitating rapid, dependable development.Originating from our groundbreaking work at SpaceX on projects like Dragon, Falcon, Starlink, and Starship, Sift emerged from the need for advanced infrastructure to accommodate complex telemetry, debug flight systems, and ensure mission reliability. Our founding team, with expertise from SpaceX, Google, and Palantir, crafts solutions for mission-critical systems where precision and scalability are paramount.As a pivotal member of our engineering team, you will not only write code but also play a significant role in shaping the architecture, product direction, and culture of a company dedicated to addressing real engineering challenges. If you thrive on tackling intricate technical problems and aspire to build foundational systems that support complex machinery, we encourage you to apply.

Oct 27, 2025

Apply

Senior Analyst, Digital Operations

Mattel, Inc.

Full-time|On-site|El Segundo

Join Mattel, Inc. as a Senior Analyst in Digital Operations, where you will play a crucial role in optimizing our digital platforms and operations. You will collaborate with cross-functional teams to analyze data, enhance user experiences, and drive strategic initiatives. This role offers a unique opportunity to influence our digital strategy and contribute to the growth of one of the world's leading toy companies.

Apr 7, 2026

Apply

Senior Analyst, Portfolio Analytics

Bellwether Asset Management

Full-time|On-site|El Segundo, CA

Join our dynamic team at Bellwether Asset Management as a Senior Analyst specializing in Portfolio Analytics. In this pivotal role, you will leverage your analytical skills to assess investment portfolios and drive performance improvements. You will collaborate with cross-functional teams to provide actionable insights and innovative strategies that support our investment objectives.

Apr 27, 2026

Apply

Senior Thermal Engineer

Varda Space

Full-time|$133.7K/yr - $170K/yr|On-site|El Segundo, California, United States

About VardaLow Earth orbit is open for business. Varda is pioneering the advancement of commercial space infrastructure, from in-orbit pharmaceutical processing to dependable and cost-effective reentry capsules.From life-saving pharmaceuticals to enhanced fiber optics, a myriad of products utilized on Earth today can only be produced in space. Varda is driving innovation in the orbital economy by establishing both the products and infrastructure required for space to directly enhance life on Earth. Our mission is to expand the economic horizons of humanity.Our team is exceptionally equipped to achieve this objective, with leadership and personnel comprising veterans from SpaceX, Blue Origin, leading pharmaceutical companies, and Silicon Valley. Founded in January 2021 by Will Bruey and Delian Asparouhov, Varda is supported by esteemed investors including Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.Varda's headquarters is located in El Segundo, California, where we operate offices and a production facility for building, integrating, and testing our vehicles, equipment, and materials. Additionally, Varda has offices in Washington, DC, and Huntsville, AL.Join Varda and contribute to the creation of a thriving in-space ecosystem.

Feb 6, 2026

Apply

Senior Nuclear Engineer

Radiant Industries

Full-time|On-site|El Segundo HQ

Senior Nuclear EngineerJoin Radiant Industries as a Senior Nuclear Engineer! In this pivotal role, you will take the lead on modeling techniques and reactor physics calculations that drive neutronics parameters such as reactivity, kinetics parameters, and energy deposition distributions. These calculations are integral to our innovative Digital Twin simulation software. Your expertise will ensure the safety and reliability of our modeling methods, which are crucial for the commercialization of the first mass-produced nuclear reactor.Key Responsibilities:Lead the development of core neutronics models and reactor physics calculations, essential for Radiant’s transient safety analyses.Execute calculations of energy deposition distributions, reactivity coefficients, kinetics parameters, and control blade worths for integration into Digital Twin models.Verify modeling assumptions and evaluate the conservatism of neutronics models.Document methodologies for both technical and non-technical stakeholders.Support Verification & Validation (V&V) initiatives for the Digital Twin.Collaborate with teams across the company on reactor physics, shielding, and radiation detection analyses.Qualifications:Bachelor’s degree in Nuclear Engineering or a related discipline from an accredited institution.A minimum of 4 years of experience with Monte Carlo nuclear engineering software such as OpenMC, MCNP, Serpent, SCALE, etc.Proven ability to document analysis methods and assumptions effectively.Strong programming skills in any language, with a preference for Python.Preferred Qualifications:Familiarity with reactor kinetics.Basic understanding of thermal hydraulic principles.Experience in communicating complex information to cross-functional teams.Self-motivated with a strong sense of ownership for project outcomes.

Jun 16, 2025

Apply

Senior Mechanisms Engineer

Radiant Industries

Full-time|On-site|El Segundo HQ

Senior Mechanisms EngineerRadiant Industries is on the lookout for a dynamic and experienced Senior Mechanisms Engineer to spearhead the design and development of essential mechanisms within the innovative Kaleidos project. In this role, you will tackle unique engineering challenges to create efficient and dependable mechanisms that govern reactivity and activate critical safety features. Your responsibilities will encompass trade studies, material selection, in-depth structural analysis, assembly, integration, and rigorous testing. Your contributions will be vital in propelling the introduction of the first new commercial reactor design in over five decades by the year 2026.Key Responsibilities:Lead the design and development of crucial mechanisms such as control blade actuators and air jacket valves.Conduct comprehensive trade studies and formulate designs that align with program requirements.Execute detailed thermomechanical analysis (including static strength and durability/fatigue) and kinematic analysis to assess structural integrity and performance margins using both hand calculations and finite element analysis tools.Develop and implement manufacturing and assembly instructions along with test plans.Create and oversee a Bill of Materials (BOM).Identify and cultivate relationships with suppliers for necessary components.Manage schedules for subassembly design, manufacturing, and testing.Conduct risk analysis (FMEA) for subsystems.Gather requirements and provide insights to engineers across other functional areas through effective communication.Qualifications:Bachelor's degree in Mechanical or Aeronautical Engineering from an accredited institution.A minimum of 4 years of experience in mechanism design.Over 4 years of experience conducting stress analysis utilizing both hand calculations and finite element tools (such as Abaqus, Ansys, FEMAP, or equivalent).Desired Skills:Proficient in the design of multi-component assemblies using CAD software (NX or similar).Experience in designing hardware that underwent manufacturing, deployment, and iterative improvements.Familiarity with pneumatic system design.Knowledge in integrating electromechanical components such as motors or encoders.

Jan 27, 2026

Apply

Senior Acquisition Lead

BryceTech

Full-time|On-site|El Segundo

Join BryceTech as a Senior Acquisition Lead and play a pivotal role in our mission to advance space technologies. In this leadership position, you will spearhead acquisition strategies that drive our growth and success in the competitive aerospace sector. Collaborate with cross-functional teams, manage key client relationships, and leverage market insights to identify and capture new business opportunities.

Mar 19, 2026

Apply

Senior Thermal Analyst

Radiant Industries

Full-time|On-site|El Segundo, CA

Join Radiant Industries as a Senior Thermal Analyst, where you will leverage your expertise in thermal analysis to contribute to innovative projects. In this role, you will be responsible for assessing thermal performance and ensuring optimal design solutions for our cutting-edge products.

Apr 8, 2026

Create account — see all 120 results

Browse all companies, explore by city & role, or SEO search pages. View directory listings: all jobs, search results, or location & role pages.