UAV Engineer

Sine Engineering builds the technology behind reliable drone autonomy- communications, navigation, and control systems that enable coordinated multi-drone operations at scale. More than 200 UAV manufacturers rely on our technologies, and our solutions power many of the interceptor operations active today. Through our dual-use platform, we support civilian innovation while helping democratic nations strengthen their technological advantage.Any drone. Any scale. Anywhere.Resilient communication, navigation, and coordination systems built for the age of autonomy.We are seeking a qualified UAV Engineer to contribute to our integration initiatives in the United States. This position entails the assembly of custom hardware for unmanned aerial vehicles (UAVs), the construction of prototypes, the provision of support for field operations, and the maintenance of essential technical infrastructure. The selected candidate will work closely with engineering and flight teams located in both the United States and Eastern Europe, fostering a vibrant exchange of ideas and expertise. The ideal applicant will possess a strong combination of electrical and mechanical skills, along with experience in 3D printing and electronics assembly. This role is especially suited for individuals who have a passion for problem-solving in both field and laboratory settings.Responsibilities:Assemble, solder, and wire up low-voltage UAV hardware (including SMD components)Perform board-level diagnostics, component replacement, and hardware repairsBuild cable harnesses and ensure clean electrical integrationUse measurement and diagnostic tools such as multimeters, oscilloscopes, and spectrum analyzersOperate and maintain FDM 3D printers; assist with basic CAD adjustmentsBuild and iterate mechanical mounts, brackets, and enclosuresPerform precise mechanical fitting, drilling, trimming, and hardware installationSupport rapid prototyping and hardware troubleshooting for UAV platformsMaintain organization of tools, consumables, and workshop inventoryAssist in preparing UAV hardware for integration and field testsCommunicate with remote engineering and pilot teams in Europe for technical alignmentSkills and Experience:Electronics & AssemblyConfident soldering skills, including SMD; experience with BGA is a strong plusAble to read wiring diagrams, schematics, specificationsFamiliarity with diagnostic equipment (multimeter, oscilloscope, spectrum analyzer)Experience assembling and debugging hardware prototypesSolid understanding of fundamental electronic components (resistors, capacitors, diodes, transistors) and their role in UAV system hardware.Mechanical & FabricationFamiliar with 3D printing and basic CAD workflows (Fusion 360 or similar)Experience working with UAV airframes, brackets, and mounting systemsComfortable working hands-on with mechanical and electrical assembliesWorkflow & CommunicationComfortable working with minimal supervisionAble to clearly document setups, wiring, mechanical changesProactive in communicating blockers and status with remote teamsStrong attention to detail and responsibility in technical tasksNice to HaveUAV or robotics background (hobby or professional)Familiarity with multirotor and fixed-wing systemsExperience setting up ground stations, power distribution, VTX, telemetryAbility to suggest and implement design improvements in hardware setupsAbility to operate UAVs would be advantageousLocationFredericksburg, Virginia (On-site)BenefitsVacation: You will be eligible for 15 days of paid vacation and 5 personal/sick days per year, accruing on a pro-rata basis from your Start Date.Health & Insurance: You will be eligible to participate in the Company’s standard benefit plans (health, dental, 401(k), etc.) in accordance with the terms of those plans.All benefits are subject to the terms, conditions, and eligibility requirements of the applicable benefit plans, which may be amended or terminated by the Company at any time.Join our dynamic team and help shape the future of UAV technology by bridging the gap between advanced engineering and customer success. If you are passionate about UAV systems, aviation, we encourage you to apply.