--- title: 'Senior Software Engineer, Autonomy Simulation & Validation at Zipline' canonical: 'https://feeny.ai/job/senior-software-engineer-autonomy-simulation-validation-zipline-south-san-0s152q4v1nvv' type: 'job' last_seen: '2026-09-06' --- # Senior Software Engineer, Autonomy Simulation & Validation at Zipline - **Company:** Zipline - **Location:** South San Francisco California, United States - **Posted:** 2026-07-22 - **Last confirmed live:** 2026-09-06 - **Apply:** https://www.zipline.com/open-roles/7812135003?gh_jid=7812135003 ## Job description ## About Zipline Zipline is the world’s largest and most experienced drone delivery service. We are on a mission to serve all humans equally by ensuring access to food, medicine and essential goods anytime, anywhere. We design, build, and operate the world’s largest autonomous logistics system, delivering critical supplies quickly and reliably. Today, Zipline operates on four continents, makes a delivery somewhere in the world every 30 seconds, and has completed millions of deliveries to date, including blood, vaccines, medical supplies, food, and retail products. Our customers include the world’s largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. The drone is only 15% of what we’ve built to enable seamless, reliable, global operations. Our system strengthens supply chains, reduces congestion, and gives people time back. With more than 140 million commercial autonomous miles safely flown, Zipline is redefining access to healthcare, consumer products, and food across the globe. We operate at a global scale and are looking for practical problem solvers who thrive on real-world challenges and rapid growth. Our team is motivated by building systems that have a direct, meaningful impact on people’s lives and by scaling the future of logistics. We are seeking people who sculpt from first principles, enjoy facing adversity, and can do the impossible at record breaking speeds. ## About You and The Role Zipline is building the world’s largest autonomous logistics system, delivering vital medical and commercial supplies across the globe. As we scale our operations and extend into more complex, safety-critical environments, the ability to validate and prove our autonomy performance at scale becomes absolutely essential. We’re looking for a deeply technical software engineer to join the Autonomy Validation team — a core team responsible for building the infrastructure, tools, and frameworks that support software validation across the entire Autonomy organization. This includes planning, perception, control, and all of the decision-making logic that powers our self-flying aircraft. Our autonomy stack is highly custom-built, and while that gives us unmatched control and performance, it also means standard out-of-the-box testing tools don't work. In this role, you’ll take ownership of developing robust internal platforms for validation — enabling both simulation at scale and rigorous scenario testing — so that autonomy engineers can ship with confidence. This is not a QA role. It’s a foundational software engineering position building critical systems that will directly shape how we test, verify, and deploy autonomy safely around the world. ## What You'll Do - Build and own the infrastructure for validating autonomous features and system performance across planning, perception, and control. - Design and develop simulation tools and scenario generation for large-scale and high-fidelity testing of autonomy under real-world and edge-case conditions. - Develop custom tools for validation and testing of autonomy components that plug into our internal autonomy development stack. - Create scalable, reliable, and automated solutions for running, tracking, and analyzing thousands of validation tasks across autonomy org. - Collaborate deeply with: - Autonomy engineers, to understand how system behavior should be evaluated. - Systems and data engineers, to ensure metrics, safety thresholds, and requirements are codified in test infrastructure. - Flight test and QA teams, to connect real-world results back into test tools and CI loops. - Establish best practices for software release validation, helping ensure our autonomy stack is safe, measurable, and production-ready. - Contribute to internal docs, standards, and validation workflows that scale across the autonomy organization. - Define validation methodologies and metrics, determining how new autonomy features should be evaluated and measured in simulation ## What You'll Bring - 5+ years of experience building software systems for simulation, testing, or safety validation — ideally in robotics, autonomy, aerospace, or other real-time, safety-critical domains - Strong software engineering skills with proficiency in C++, Rust, or C (Python is a plus for tooling and scripting) - Hands-on experience building or working with simulation systems for robotics or autonomous systems, particularly for testing or validation - Experience building tools, platforms, or infrastructure used by other engineers - Understanding of validation methodologies, including defining metrics, evaluating system behavior, and testing complex electromechanical systems ## Nice to have - Experience with high-fidelity simulation or scenario generation frameworks - Experience with large-scale or distributed systems (e.g., cloud infrastructure, Kubernetes, AWS) - Familiarity working with systems engineering concepts (requirements, safety constraints, metrics) - Exposure to autonomy stacks (planning, perception, control) - Some exposure to machine learning systems (not required) ## What We’re not Looking for - Primarily MATLAB/Simulink-based simulation experience - Roles focused mainly on systems engineering without hands-on software development - Infrastructure- or DevOps-focused roles without experience in autonomy or simulation - QA/QC-focused verification roles without significant software engineering ownership What Else You Need To Know The starting cash ranges for this role is $180,000 - $260,000. Please note that this is a target, starting cash range for a candidate who meets the minimum qualifications for this role. The final cash pay for this role will depend on a variety of factors, including a specific candidate's experience, qualifications, skills, working location, and projected impact. The total compensation package for this role may also include: equity compensation; discretionary annual or performance bonuses; sales incentives; benefits such as medical, dental and vision insurance; paid time off; and more. This position may be hired at one of three levels based on the candidate’s experience, skills, and demonstrated scope: - Senior Software Engineer: $180,000 - $220,000 - Staff Software Engineer: $220,000 - $260,000 Zipline is an equal opportunity employer and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws or our own sensibilities. We value diversity at Zipline and welcome applications from those who are traditionally underrepresented in tech. If you like the sound of this position but are not sure if you are the perfect fit, please apply! Zipline is an equal opportunity employer and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws or our own sensibilities. We value diversity at Zipline and welcome applications from those who are traditionally underrepresented in tech. If you like the sound of this position but are not sure if you are the perfect fit, please apply! Voluntary Self-Identification For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file. As set forth in Zipline ’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law. ## About Zipline ## Company Overview - **One-liner**: Zipline is an American robotics company that operates the world’s largest autonomous drone delivery service, transporting medical supplies, food, and retail goods across multiple continents. - **Entity Type**: Private (early-stage startup) - **Headquarters**: South San Francisco, California, United States - **Founded**: March 2014 - **Founders**: Keller Rinaudo Cliffton, Keenan Wyrobek, Ryan Oksenhorn, William Hetzler ## Core Business - **Primary industry**: Logistics / Drone delivery - **Target customers**: B2B (healthcare systems, governments, retailers like Walmart and Chipotle) and B2C (home delivery via the Zipline app) - **Mission or purpose statement**: “Build the first logistics system that serves all people equally” – initially focused on saving lives by delivering blood and medicine to remote communities, now expanded to instant urban delivery. ## Products & Services - **Platform 1 (P1)**: Long-range, rural delivery drone. Carries up to 4 lbs, roundtrip range 120+ miles, cruise speed 60 mph. Uses parachute delivery. Designed for enterprise, government, and healthcare supply chains. - **Platform 2 (P2)**: Urban/suburban home delivery drone. Carries up to 8 lbs, service radius 10 miles (or 24 miles one way), cruise speed 70 mph. Delivers via a tether from up to 300 ft, allowing contactless drop-off. Launched in 2025 and used for food, retail, and health products. - **Zipping Points**: Modular ground stations that allow businesses to load orders onto drones without specialized equipment. - **FlightIQ**: Advanced onboard autonomy and perception suite for safe navigation and delivery. ## Market Standing - **Valuation/Market Cap**: Not publicly available - **Key Metric**: 2 million commercial deliveries completed (as of January 2026) and 130 million autonomous miles flown.[wikipedia](https://en.wikipedia.org/wiki/Zipline_(drone_delivery_company))[zipline-fact-sheet](https://www.zipline.com/about/zipline-fact-sheet) - **Notable Investors/Partners**: Not disclosed in available sources. Key partners include Walmart, Chipotle Mexican Grill, Crumbl, Blaze Pizza, Wendy’s, and many other restaurant brands. In healthcare, works with more than 5,000 hospitals and health centers. - **Growth Signals**: Expanded into urban home delivery in 2025 (P2) with service in Pea Ridge, Arkansas and 20+ communities in Dallas-Fort Worth. Obtained FAA authorization for beyond visual line of sight operations. Reports 56% decrease in maternal mortality and 66% decrease in missed malaria treatments in served regions.[zipline-fact-sheet](https://www.zipline.com/about/zipline-fact-sheet) ## Competitive Advantages - **Autonomous drone fleet**: One of the world’s largest commercial deployments of autonomous robots, with custom software running on Nvidia chips. - **FAA approval**: All operations and aircraft are FAA-approved, including pioneering use of Unmanned Aircraft System Traffic Management (UTM). - **Quieter than road vehicles**: Drones hover high and descend on a tether, generating noise lower than common neighborhood sounds. - **Extensive testing**: One of the largest aviation testing campaigns, with operations in rain, wind, and storms. - **Integrated logistics platform**: Beyond drones, Zipline provides warehousing, inventory management, cold chain storage, and fulfillment software. ## Strategic Focus - Scaling the Platform 2 urban delivery network across the U.S., particularly through partnerships with major retailers and restaurants. - Deepening healthcare impact by expanding into new countries and product categories (prescriptions, groceries, convenience items). - Continuing to reduce delivery times and environmental footprint (0 emissions per delivery, compared to automotive delivery). ## Why Work Here - **Culture values**: Ownership & Accountability, Direct Feedback & Communication, Continuous Improvement, Customer Obsession, Servant Leadership (as stated on careers page). Emphasis on “Make it matter” and mission-driven work.[careers](https://www.zipline.com/careers) - **Work environment**: Headquartered in South San Francisco with hardware and software teams. The company assembles its drones in America. Likely on-site given the hardware focus; remote/hybrid policy not explicitly stated. - **Impact**: Opportunity to work on life-saving technology (60,000+ lives saved) and shape the future of instant logistics. - **Engineering culture**: Build and iterate on autonomous systems, airspace deconfliction, and large-scale robotics deployments. ## Sources 1. [Zipline Careers](https://www.zipline.com/careers) 2. [Zipline Homepage](https://www.zipline.com/) 3. [About Zipline](https://www.zipline.com/about) 4. [Zipline Fact Sheet](https://www.zipline.com/about/zipline-fact-sheet) 5. [Wikipedia - Zipline](https://en.wikipedia.org/wiki/Zipline_(drone_delivery_company)) 6. [Greenhouse Careers Page](https://job-boards.greenhouse.io/flyzipline) ## Other roles at Zipline - [Senior/Staff Systems Modeling Engineer, Electric Propulsion](https://feeny.ai/job/senior-staff-systems-modeling-engineer-electric-propulsion-zipline-south-san-xvtyrwb7gcss) — South San Francisco California, United States - [Aircraft Software Integration Intern (Summer 2027)](https://feeny.ai/job/aircraft-software-integration-intern-summer-2027-zipline-south-san-francisco-qzhqteyn3z8h) — South San Francisco California, United States - [Aircraft Software Integration Intern (Spring 2027)](https://feeny.ai/job/aircraft-software-integration-intern-spring-2027-zipline-south-san-francisco-869y0r4pmkrj) — South San Francisco California, United States - [People Partner](https://feeny.ai/job/people-partner-zipline-kigali-xhgqah3xea2d) — Kigali, Rwanda - [Concept and Architecture Engineering Contractor](https://feeny.ai/job/concept-and-architecture-engineering-contractor-zipline-south-san-francisco-ttns1vrthcc8) — South San Francisco California, United States - [Mechanical Design Engineer - Towers](https://feeny.ai/job/mechanical-design-engineer-towers-zipline-south-san-francisco-california-tcdm0q3t7ex4) — South San Francisco California, United States - [Director of Industry Standards](https://feeny.ai/job/director-of-industry-standards-zipline-south-san-francisco-california-xfmf6syhmfnh) — South San Francisco California, United States - [Flight Test Site Lead](https://feeny.ai/job/flight-test-site-lead-zipline-amarillo-texas-yjcn58g0gb1v) — Amarillo Texas, United States - [Flight Test Operator](https://feeny.ai/job/flight-test-operator-zipline-amarillo-texas-j156mq0pv54x) — Amarillo Texas, United States - [Launch & Scale Intern (Summer 2027)](https://feeny.ai/job/launch-scale-intern-summer-2027-zipline-south-san-francisco-california-kmcdb5709dg3) — South San Francisco California, United States