It takes an airplane to get a person across the world – but a world of great minds to get an airplane off the ground.
Today it is normal to step on a modern airplane and travel the entire globe within 24 hours. But it still takes hundreds of experts and specialists to get such an airplane ready for take-off. TTTECH is on board too. If you come work with us in Vienna, so are you.
Principal Software Architect (m/f/d)
As our Principal Software Architect, you will inspire, mentor, and empower a team of embedded software specialists, championing technical excellence and helping to shape the future of next‐generation aircraft and spacecraft. In addition, you will work in close partnership with cross‐functional teams spanning systems, hardware, and chip engineering, driving purposeful innovation throughout the aerospace sector.
Your Tasks
Lead the architectural definition of embedded software platforms for aviation and space systems, ensuring compliance with applicable aerospace standards and safety norms (e.g., DO-178C, ECSS-E-ST-40C)
Define and steer software architecture work packages in alignment with system engineering, hardware, and project stakeholders
Specify and review high‐level and detailed software requirements with a focus on safety, reliability, and performance
Design scalable, modular, and certifiable software architectures for flight‐critical and spaceborne applications
Continuously evaluate and improve architectural solutions, development workflows, and integration strategies
Represent the software architecture domain in internal and external audits, customer reviews, and certification processes
Define and oversee software verification strategies, including formal methods and automated validation
Support documentation efforts and provide technical expertise to customer service, sales, and product management teams
Your Profile
Technical university degree in Computer Science, Electrical Engineering, Aerospace Engineering, or a related field
Minimum 10 years of experience in embedded software engineering, with at least 5 years in a lead or architectural role in safety‐critical domains
Deep expertise in RTOSs (e.g., VxWorks, QNX, RTEMS) and embedded platforms used in aerospace applications
Strong understanding of computer (also multi‐core) architectures, fault‐tolerant systems, and Ethernet‐based avionics networks
Proven experience in the aviation and/or space industry, with knowledge of current trends, technologies, and regulatory changes
Solid knowledge of aerospace software standards such as DO-178C, DO-330, ECSS-E-ST-40C, or NASA NPR 7150.2C
Demonstrated leadership in cross‐functional teams and ability to influence technical direction across projects
Excellent communication skills in English and a collaborative mindset, with a commitment to mentoring and knowledge sharing
Our Offer
Exciting work environment – be part of future high‐tech innovations and cutting‐edge technologies
We are a team – flat hierarchies, open door policy, communication at eye level and hands‐on mentality
Technical Expertise – work among fellow technical experts and minds that will inspire you
Central locations – our offices are located in the city center near Karlsplatz & Kettenbrückengasse, easily accessible via public transport and bicycle
Benefits Package – lunch tickets, job tickets (unlimited use of public transport in Vienna or partially reimbursement of costs for KlimaTicket, numerous discounts, events and much more
Work‐life‐balance – additional days off, home office, workcation (up to 45 workdays per year Mobile Working within the EU) and individual working time models
Development & training – Individual onboarding program, TTTECH Academy and internal career opportunities
As of today, TTTECH Group employs more than 1,100 people in 11 locations worldwide. Join our pioneering team and become part of our fascinating projects. You will find it #mindgrowing
We provide an attractive and performance‐based salary, which is based on your qualifications and professional experience. This position is subject to the Collective Agreement for Employees in the Metal Trade ("Kollektivvertrag für Angestellte Metallgewerbe") and we offer a minimum salary of € 70,000 gross per year. Actual compensation can be well above this standard.
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