Optical System Engineer

About the Role The Optical System Engineer is responsible for the development, validation, and system‑level integration of optical payloads within satellite systems across the full lifecycle from proposal phase to launch. This onsite role in Brno, Czech Republic focuses on defining requirements, interfaces, validation strategies, and cross‑disciplinary collaboration to deliver optical subsystems. What You'll Do

• Define and control interfaces; perform functional analyses and simulations; conduct trade‑offs and technical budgeting; establish validation and verification strategies across the project lifecycle.
• Contribute to the development and design of satellite systems and subsystems; plan system development and coordinate engineering activities; model systems and perform trade studies in collaboration with SMEs.
• Support manufacturing, assembly and testing by providing optical engineering expertise; participate in procurement, assembly and testing processes.
• Collaborate across disciplines (mechanical, thermal, electrical, software); supervise subcontractors for development, manufacturing and integration activities.
• Contribute to proposals and customer interactions: proposal preparation and evaluation; participate in ESA ITTs and tenders; technical discussions; participate in system and subsystem reviews (e.g., ESA).
• Create and maintain technical documentation (design, drawings, requirements, performance); present results internally and externally; contribute to knowledge sharing, mentoring and training. What We're Looking For
• Master’s degree in aerospace, optical, mechanical engineering or comparable qualification.
• 3–5 years of experience in aerospace, optics, or similar industry; strong knowledge of optical system engineering and payload design.
• Experience in requirements engineering, validation and specification of optical systems; familiarity with system engineering processes including interface definition, trade-offs, and technical budgeting.
• Experience with satellite system and subsystem development; knowledge of optical manufacturing, assembly, and testing processes.
• Experience in technical reviews (e.g., ESA projects); ability to work across multidisciplinary teams (mechanical, thermal, electrical, software).
• Experience in proposal preparation and evaluation as well as subcontractor coordination; Zemax (ZEMAX) expertise.
• Personal and social competencies: strong communication and presentation skills; ability to work in international and interdisciplinary teams; flexibility and resilience; structured and analytical working method; proactive and solution-oriented mindset; strong team spirit and collaboration skills; integrity; reliability; fluency in English. Compensation & Benefits
• Work Life Balance: Flexible working hours, 25 days vacation days, 2 personal days, home-office work possibility.
• Development: Extensive range of online training courses, individual professional development, language courses & annual employee dialogue.
• Space Projects; Meal Contribution; Multisport Card Contribution; Company parties & events.