Senior Software Engineer (C++ / Data Acquisition & Control)

Tokamak Energy is a global leader in fusion energy and high temperature superconducting (HTS) technologies. We work with governments and industry to develop and bring fusion and HTS solutions to market through innovation and strategic partnerships. A major part of this is our end to end capability in HTS systems, from design to manufacturing.

Overview of the role: This role focuses on developing real-time software that interfaces directly with hardware to control and monitor complex engineering systems. You will build C++ applications running on embedded and Linux-based platforms, handling data acquisition, control, and system integration. This is a key hire in a small but growing software team, offering strong ownership and impact on core systems.

In this role, you will:

• Develop C++ software for real-time data acquisition and system control
• Interface directly with hardware using communication protocols such as USB, TCP/IP, SPI, I2C and serial
• Build tools and interfaces for system monitoring and control
• Develop backend tooling for data storage, processing, and retrieval
• Take ownership of core control software within the team
• Collaborate with electronics engineers and other technical teams

Requirements:

Essential:

• Strong C++ development experience
• Experience building asynchronous or real-time systems
• Comfortable working in a Linux environment
• Experience interfacing with hardware and communication protocols
• Familiarity with version control and build systems such as Git and CMake

Desirable:

• Embedded Linux or ARM-based systems
• Asynchronous I/O frameworks such as Boost.Asio
• Real-time systems or networking
• Messaging protocols such as MQTT
• Experience working with hardware such as FPGAs or microcontrollers

Benefits:

• Salary range up to £75,000 dependent on skills and experience
• 25 days holiday + bank holidays, plus discretionary festive shutdown
• Performance-led rewards including discretionary bonus, innovation and merit schemes
• Share options – a stake in our future success
• Pension and comprehensive financial protection package including death in service and critical illness cover
• Health and wellbeing support, including cash plan and 24/7 assistance
• Ongoing investment in your growth with training and career progression
• Be part of world-changing innovation in Fusion Energy

Important information for candidates: No terminology in the advert or job description is intended to discriminate on the grounds of a person’s age, disability, gender reassignment, marriage or civil partnership, pregnancy or maternity, race, religion or belief, sex, or sexual orientation. Every candidate will be assessed only in accordance with their merits, qualifications and abilities to perform the duties of the job.

Pre-employment screening: Please note that the appointment of the successful candidate will be subject to standard pre-employment screening, as applicable to the post. This will include right-to-work, proof of identity and references.

Data privacy: Please note that any personal data submitted to Tokamak Energy as part of the job application process will be processed in accordance with the GDPR and related UK data protection legislation.

Equality of opportunity: Entry into employment with the Tokamak Energy and progression within employment will be determined only by personal merit and the application of criteria which are related to the duties of each post and the relevant salary structure.