Principal Engineer, Power Engineering

Job ID

Date posted Nov. 04, 2025

Location Austin, Texas; San Jose, California

Category Hardware Engineering

Arm technology is becoming the platform of choice for compute and AI. The Arm System Engineering team's mission is to architect, design, and develop server and rack-level infrastructure for at-scale datacenter deployments. The team capabilities span across system hardware, software, system interconnect, system management storage, data center infrastructure and performance engineering. The team responsibilities include customer engagements, technology selection, system design, network architecture, performance, and datacenter deployment & operations. The Arm System Engineering team is developing industry-leading technology to deliver innovative and high-performing solutions to power the data centers of the future

Job Overview:

Arm is seeking a Principal Engineer, Power Engineering to aid in defining the architecture of the power delivery components from grid to chip. You will work closely with multiple cross-functional teams, including hardware engineers, firmware developers, and data center operations, to ensure the infrastructure we build meets customer requirements as well as attaining standards of performance, reliability, and scalability.

This role will be based in Austin or San Jose and could potentially be performed onsite or remotely within the US.

Responsibilities:

• Provide thought leadership, planning, and design for power delivery from data center power drop through delivery to systems & chips
• Establish power roadmap. Work with vendors to ensure their planned future technologies are pulled into our system engineering roadmap AND ensure that our (system engineering) required technological innovation is being driven into their (power vendor) roadmap. Work to improve reliability and efficiency of power engineering component over time.
• Rack-level power components. Competency with specification of hardware and firmware for rack-level power shelves. Competency with design for resiliency.
• Set power policies in the data center for: power buffer/oversubscription, scheduling of jobs based on power, and monitoring (power quality faults) / accommodation faults. Resolve telemetry and data needed to support power policy algorithms.
• Ensure robustness of IT power in the presence of grid disturbances and make sure that IT power loads are compatible with grid power requirements ("good grid power citizen")
• Board and system-level power regulation components. Understand and able to apply current VRM, TLDR, and POL technologies. Help to develop new technologies to increase efficiency. Understand manufacturing capabilities and limitations of new technology. Drive
• Provide guidance to the power equipment manufacturers, ODM and engineering teams on the required testing and validation procedures for power hardware and firmware components.
• Develop and test hardware prototypes as needed to support the exploration and validation of new concepts in power delivery.
• Tackle and resolve sophisticated power hardware and firmware issues as needed.
• Ensure compliance with industry standards and regulations.

Required Skills and Experience :

• Bachelor's or Master's or PhD degree in Electrical Engineering with a specialized knowledge of Power Engineering.
• demonstrated ability in power system and delivery architecture, design, and development.
• Experience with rack-level hardware design, including servers, storage, networking, and power distribution.
• Proficiency in power hardware and firmware development and debugging.
• Excellent problem-solving and analytical skills.
• Strong communication and teamwork skills.
• Ability to work in a fast-paced, multifaceted environment.

"Nice to Have" Skills and Experience:

• Familiarity with new technologies in AI and data center infrastructure.
• Comfortable meeting with and engaging directly with customers (internal and external) during requirements gathering and solution development

In Return:

• Be part of a groundbreaking team influencing the next generation of data center systems
• Collaborate with premier engineers and vendors to develop industry-leading AI hardware.
• Access professional growth through sophisticated project involvement and multidisciplinary teamwork.
• Join a company committed to diversity and inclusion, where your work matters and drives global progress

Salary Range:

$241,100-$326,100 per year

We value people as individuals and our dedication is to reward people competitively and equitably for the work they do and the skills and experience they bring to Arm. Salary is only one component of Arm's offering. The total reward package will be shared with candidates during the recruitment and selection process.

Accommodations at Arm

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 at Arm

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.

Equal Opportunities at Arm

Arm is an equal opportunity employer, committed to providing an environment of mutual respect where equal opportunities are available to all applicants and colleagues. We are a diverse organization of dedicated and innovative individuals, and don't discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.