Senior Embedded Systems Engineer: Firmware & Rack Management

Fractile; Greater London; On-site; GBP 90,000 - 125,000; Full time

Benefits offered by this job

Equity

Private medical

Pension

25 days holiday

Job summary

Fractile is seeking an experienced embedded systems engineer to develop firmware and management software for rack controllers and BMCs. You will work on RTOS and bare-metal environments, delivering production-ready code alongside hardware and device software teams.

Ideal candidates have strong C and/or Rust, experience with embedded Linux, and a reliability-first mindset. This role is based in the UK, with a focus on secure, scalable systems that operate at rack scale.

Qualifications

• Two+ years of industry experience shipping production-critical embedded systems across bare metal, RTOS, or embedded Linux.
• Strong C and/or Rust with focus on safety, testing, debugging, and failure modes.
• Reliability-first mindset: observability, diagnosability, and recoverable designs.
• Comfort working near hardware/software boundary and collaborating with HW, drivers, and runtime teams.
• Collaborative with high ownership and clear communication.
• Degree in CS/EE/Math/Physics or related field with 3+ years of experience.

Responsibilities

• Develop firmware and services for management controllers (rack management, BMC, board/controllers) across RTOS and bare metal.
• Build systems software for board and rack management from bring-up to production deployment.
• Implement critical flows: power-on, provisioning, monitoring/telemetry, updates, recovery, and security.
• Integrate with the wider host/device stack and runtime libraries to enable end-to-end operation.
• Collaborate with hardware and device software teams to define interfaces and debug boundary issues.

Skills

Embedded systems

C

Rust

Embedded Linux

RISC-V

ML accelerators

Education

CS/EE/Math/Physics degree

Tools

OpenBMC

Zephyr RTOS

Job description

Fractile is seeking an experienced embedded systems engineer to develop firmware and management software for rack controllers and BMCs. You will work on RTOS and bare-metal environments, delivering production-ready code alongside hardware and device software teams.

Ideal candidates have strong C and/or Rust, experience with embedded Linux, and a reliability-first mindset. This role is based in the UK, with a focus on secure, scalable systems that operate at rack scale.