Principal Firmware Engineer

We are seeking a forward-thinking engineer to join Arm’s Global Headquarters in Cambridge. As part of the dynamic Architecture and Technology Group, you will engage in developing system architecture for software and firmware for the next generation of Arm-based devices.

We are a highly motivated and influential team responsible for building the foundation of future compute platform architectures, from mobile phones to servers to autonomous vehicles and IoT nodes.

You will collaborate with specialists across Arm to develop, evaluate and successfully implement new technologies, deploying them internally within Arm, to be later adopted by the broader Arm ecosystem. Your contribution will advance both Arm power and performance standardization roadmaps, and the wider Arm ecosystem., * Architect innovative features in system firmware, and prototype groundbreaking power, performance, and thermal management mechanisms in the latest generations of Arm systems.

• Establish new Operating-System (e.g., Linux) mechanisms to improve power and thermals.
• Design experiments and analyses to answer architectural questions using and modifying software on silicon, simulators, models, and other tools to implement the analyses .
• Communicate results and technical concepts clearly to various audiences ranging from development engineers to to architecture community peers, and to high level technology and business leadership., At Arm, we embrace the benefits AI can bring, including in recruitment. You may use AI to support your preparation, such as improving the clarity of written responses, practicing interview questions, or learning more about our industry. However, your application and interview responses must reflect your own thinking, experience, and abilities. We want to understand your authentic perspective, creativity, and approach to problem solving. As such, you may not use AI to complete assigned tasks as part of any assessments. If you plan to use AI-supported or assistive technologies as part of a reasonable adjustment, please contact so we can support you.

Recruitment Adjustments and Accommodations

At Arm, we want to build extraordinary teams. If you need an adjustment or an accommodation during the recruitment process, please email . To note, by sending us the requested information, you consent to its use by Arm to arrange for appropriate accommodations. All accommodation or adjustment requests will be treated with confidentiality, and information concerning these requests will only be disclosed as necessary to provide the accommodation. Although this is not an exhaustive list, examples of support include breaks between interviews, having documents read aloud, or office accessibility. Please email us about anything we can do to accommodate you during the recruitment process.

Hybrid Working

Arm’s approach to hybrid working is designed to create a working environment that supports both high performance and personal wellbeing. We believe in bringing people together face to face to enable us to work at pace, whilst recognizing the value of flexibility. Within that framework, we empower groups/teams to determine their own hybrid working patterns, depending on the work and the team’s needs. Details of what this means for each role will be shared upon application. In some cases, the flexibility we can offer is limited by local legal, regulatory, tax, or other considerations, and where this is the case, we will collaborate with you to find the best solution. Please talk to us to find out more about what this could look like for you.

• B.Sc. in Electronic, Electrical, or Computer Engineering, or equivalent experience.
• Strong programming skills in languages such as C.
• Experience in developing Linux kernel drivers and embedded firmware.
• Familiarity with System-on-Chip architectures and methods for power and thermal management in Operating Systems (like Linux) and firmware.
• Ability to make high-level design trade-offs and articulate rationale to partners.
• Excellent communication and teamwork skills.
• Comfortable with uncertainty and resolving ambiguity, as you will be setting the direction.

“Nice To Have” Skills and Experience:

• Familiarity with Arm CPU and SoC system architectures.
• Experience with firmware interfaces such as ACPI or device tree.
• Hands-on power management software or firmware experience.
• Knowledge of power and thermal management in different market sectors.
• Experience with debuggers and tools to analyze OS and application hardware usage.

We provide benefits beyond a competitive salary to reward our people for their dedication and contributions.

Arm is committed to global talent acquisition. With offices worldwide, we are a diverse organization of dedicated, innovative, and hardworking professionals. We foster an inclusive, meritocratic, and open workplace where everyone can grow and succeed. Your outstanding contributions will help drive Arm’s success in the global marketplace., Power the Future on Arm

Working in software engineering at Arm is about shaping a future of technology for which we don’t yet have words. Our engineers lead innovation in physical IP, AI and machine learning, cloud architecture, automotive tech, and every aspect of computing that matters.

Spanning software’s full spectrum, from compilers to AI-powered IoT and beyond, your code can enable virtually anything to be produced on silicon. Whether you’re developing award-winning VR gaming or life-enhancing medical equipment, you can improve the lives of millions by being your brilliant self at Arm.