ReOrbit is looking for a motivated Senior Thermal Engineer to join our team. We are looking for an experienced engineer who is proactive and confident to work both autonomously and collaboratively as part of the team, communicating with internal teams and external partners.  

You will be responsible for the high-level thermal systems design for our new project, developing a solution using hardware with flight heritage from our trusted suppliers, as well as supporting other projects across the company. This is an exciting opportunity to work across all the projects in the company, in pushing the boundaries of existing space data technology. 

This role can be based either at our headquarters in Helsinki, Finland or in London, UK. 

Responsibilities 

• Mission requirements analysis 
• Preliminary & detailed thermal design and analysis of the thermal control subsystem (TCS) for a satellite in the power range of 1 kW to 4 kW 
• Working with System Engineering Team in tasks such as unit accommodation, trade-off analysis, system-level FMEA, electrical architecture, AIT plan, FDIR definition. 
• System Modelling, Analysis & Temperature Predictions of all the related hardware in the satellite 
• TCS Requirements specification based on the previous analysis 
• TCS Design Subsystem documentation (architecture, analysis and components) 
• TCS Hardware Specification based on the previous design 
• Vendors contact and components pre-selection 

Skills & Requirements  

• Minimum of 5 years' working within the space industry (excluding nanosats or microsats) in a thermal engineering role or similar.
• Knowledge and professional experience of the full lifecycle of thermal subsystems. 
• High level system design of thermal subsystems. 
• Ability to analyse data, derive conclusions, and manage design documentation as well as review and approve design changes. 
• Comfortable working closely with external vendors and consortium partners. 
• Enjoys working collaboratively as part of a team. 
• Fluent written and spoken skills in English. 

Working at ReOrbit

At ReOrbit, we are focused on building a strong team as we believe nothing can be accomplished without innovative, humble and curious minds working together on a common goal. We’re all about fostering an inclusive, dynamic environment where equality and diversity are our strength.

We offer

• Challenging but rewarding environment – you will thrive if you are always reflecting on how to make things better. Your ideas will be heard.
• Ambitious and supportive network of people, who are motivated to change the space industry, bringing expertise from both classic and new space. And most importantly a possibility to be a part of a unique and diverse team, connected by similar mindset and sense of humor.

Location of the role

• This role can be based either at our HQ in Helsinki, Finland or London, UK. We support relocation to Helsinki, and integration into Finnish society: you can find some experiences about relocation here. If your preferred home base is UK, we expect that you already have a right to work in the UK as well as willingness to travel to Helsinki on a frequent basis.

Please, submit your application as soon as possible, latest by February 9, 2025 - we are excited to hear from you and can’t wait to discover your unique skills and experiences.

Join us in our journey of transforming technology and enabling space applications of our current and future society where efficiency, sustainability and security are unlocked to their full potential! Please, submit your application as soon as possible - we are excited to hear from you and can’t wait to discover your unique skills and experiences. 

What does ReOrbit do?

ReOrbit builds the foundation for the next generation of space applications by transforming satellites into truly intelligent, interconnected platforms, defined by software. Our satellite design philosophy revolves around the idea that satellites must network, communicate with each other and thus improve mission efficiency. How can this be achieved? Thanks to a flexible software-first architecture, where all these aspects are dealt with upfront in the mission concept, as integrated functionalities.

ReOrbit’s top-notch team of software engineers and system architects develop in-house software, procure hardware from the best-in-class suppliers, and seamlessly integrate the components to create flexible and secure satellites. Today, we are a rapidly growing company building a very strong multidisciplinary team to support our activities. 

For agencies: We do not accept unsolicited CVs for our open vacancies. Any CV sent to our team unsolicited will reserve us the right to pursue a candidate without obligation to the sender. All candidate submissions must be conducted through our official channels and in accordance with our terms of engagement.