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ROLE HIGHLIGHTS: - Senior Software Engineer - Location: Espoo - Department: Engineering - Reports to: Engineering Lead, Orbit Control - Employment type: Permanent - Workplace model: Office / Hybrid - Employment is subject to applicable security screening (incl. SUPO) WHY THIS ROLE MATTERS: As a Senior Software Engineer, you’ll help keep ICEYE’s world-leading SAR satellite constellation operating safely and reliably. Working in the AOCS domain, you will take technical ownership of Orbit Control software that helps ensure our satellites are exactly where they need to be to fulfil their mission. Your work will directly affect the performance, reliability, and quality of the SAR data ICEYE delivers to customers. WHO WE ARE ICEYE delivers space-based intelligence, surveillance, and reconnaissance (ISR) capabilities to governments and allied nations. This includes sovereign and turnkey ISR missions leveraging ICEYE’s world-leading synthetic aperture radar (SAR) satellite technology, as well as access to data from the world’s largest SAR satellite constellation. These capabilities enable partners to detect and respond to critical changes anywhere on Earth with unprecedented speed and accuracy, day or night and in any weather, supported by ultra high-resolution imagery and high-frequency revisits. As a trusted partner for defense, intelligence, security, and maritime domain awareness, ICEYE’s near real-time data creates a tactical advantage for mission-critical operations. Designed for dual use, the platform also serves civil protection and commercial users for natural-catastrophe intelligence, insurance, maritime monitoring including oil-spill detection, and finance, contributing to global security and community resilience. ICEYE is headquartered in Finland and operates globally across Europe, North America, the Middle East, and Asia-Pacific. We have more than 900 employees, united by a shared vision: improving life on Earth by becoming the global source of truth in Earth Observation. YOUR DAY-TO-DAY RESPONSIBILITIES - Take technical ownership of the Orbit Control codebase, primarily written in Python, ensuring it is robust, maintainable, and operationally reliable - Design, implement, test, deploy, and maintain ground segment software to control the orbits of our satellites - Build and maintain verification and validation procedures for Orbit Control software in close collaboration with operations teams - Debug system anomalies systematically and identify root causes to prevent recurrence - Improve telemetry data analysis, processing, visualization, logging, monitoring, and alerting capabilities - Collaborate with orbital mechanics experts, mission teams, Staff Engineers, and Engineering Leads to translate operational needs into high-quality software solutions - Define and promote strong software engineering practices, including automated testing, CI/CD, and operational monitoring - Mentor junior engineers and contribute to the technical direction of the team WHAT WE’RE LOOKING FOR MUST HAVES: - Proven experience across the full software lifecycle, including designing, building, testing, deploying, and maintaining production software - Strong experience with operationally critical or high-reliability software systems - Expertise in systematic root-cause analysis, diagnostics, monitoring, and debugging of distributed systems - Ability to evaluate technical options rigorously and guide teams toward well-considered engineering decisions - Strong understanding of software engineering practices such as automated testing, CI/CD, observability, and operational monitoring - Ability to lead complex technical initiatives, mentor engineers, and influence technical direction - Strong collaboration and communication skills in cross-functional technical environments NICE TO HAVES: - Experience with Kubernetes or similar orchestration systems -