Welcome to AALTO, a global leader in Stratospace. Based in Farnborough, AALTO is an Airbus subsidiary that manufactures, operates, and delivers services with its solar-powered, stratospheric platform: Zephyr. Zephyr’s persistence enables continuous flight for months at a time. Its current flight-time record of over 67 days in the stratosphere. From above 60,000ft, or 20km above ground, AALTO can deliver several applications including direct-to-device connectivity and high-resolution Earth observation. AALTO operates in a new operational layer between most of air traffic and low-Earth orbit, Stratospace. This is where high-altitude platforms led by Zephyr deliver services to commercial and government partners. We can help monitor environments, observe borders, track natural disasters and connect unconnected communities. Join us as we create a new domain of aerospace: Stratospace. You’ll be part of a highly-skilled, innovative and passionate group of people – Team AALTO. Together, we can Unlock Stratospace. Job purpose: We are seeking a Principal Ground Systems Engineer to join AALTO. In this role, you will report to the Systems Design Manager and oversee the development of our ground support systems. You will be responsible for the design, implementation and troubleshooting of the ground control stations and the stratospheric operations centre that facilitate the connection between aircraft and aircraft operators. This role involves ensuring the reliability, security, and efficiency of these critical systems, which play a key role in air traffic management, flight operations, and safety. Responsibilities: Provide technical leadership to a small team of engineers responsible for the ground systems element of the Zephyr programme Foster a collaborative and innovative work environment, assisting with complex problem solving and decision making Prepare and review documentation in accordance with Aalto’s processes and procedures Collaborate with internal and external stakeholders to understand requirements and translate them into technical specifications and solutions Conduct system performance analysis, diagnostics, and optimization to ensure reliable operation in various flight conditions Provide technical support and training to maintenance personnel and other relevant staff on communication systems Skills & experience: Proven experience in designing, testing, and maintaining communication systems, preferably within the aerospace industry Experience of specifying, designing and commissioning network systems – TCP/IP, UDP, Ethernet etc. Strong understanding of communication protocols, satellite systems, and HF/VHF/UHF radio systems Familiarity with aviation regulations, standards, and certification processes (e.g., FAA, EASA, etc.) Excellent problem-solving skills and the ability to work under pressure in a fast-paced environment Strong analytical skills and attention to detail Ability to work independently as well as in a collaborative team environment Effective communication skills, both verbal and written, for reporting issues and providing updates to internal and external stakeholders Other Useful skills and experience: Knowledge of uncrewed air systems Experience with avionics systems and aircraft communication equipment Knowledge of software tools used for communication system simulation and performance analysis Experience working with regulatory bodies, such as the CAA, EASA, or ICAO In addition to salary, we offer: Rewarding Excellence : Benefit from our short-term incentive plan that rewards your hard work and dedication. Enjoy Your Time Off : Benefit from 25 days of holiday to relax and recharge. Stay Healthy : We’ve got your health covered with private medical insurance, along with dental and optical cash back. Secure Your Future : Take advantage of our personal pension plan to ensure a comfortable retirement. Peace of Mind : Our income protection and life assurance schemes are there to support you when you need it most. We Care About You : Our employee assistance programme is always available to provide the support you need. Perks Galore : Enjoy a range of employee discounts via Perkbox, because you deserve a treat! LI-LC1