Demo

Principal Mechanical Thermal Engineer

Arm
Austin, TX Full Time
POSTED ON 12/30/2025
AVAILABLE BEFORE 2/14/2026

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!.


Primary Responsibilities

· Develop and review design standards and specifications, ensuring alignment with industry best practices and Arm’s reliability goals.

· Perform detailed engineering analysis of designs, ensuring efficiency and reliability of operation.

· Provide direction, coordinate with, and review the designs of external consultants and partners.

· Ensure cross-compatible and future-proof designs between IT equipment and facilities infrastructure.

· Conduct site inspections and factory acceptance tests for critical infrastructure and equipment.

· Provide expert guidance on thermal systems design, including coordination requirements with other trades.

· Stay informed on the latest industry developments and emergent technologies as related to IT equipment thermal management.

· Provide direction and mentorship to designers, interns, and junior-level engineers.


Required Qualifications:

· Bachelor’s or Master’s degree in Mechanical Engineering or related field.

· Deep technical knowledge of hydronic infrastructure and equipment found within data center environments, including direct liquid cooling systems, CDUs, pumps, cold plates, water and coolant chemistry, and heat exchangers.

· Experience with CFD modelling for data center environments.

· Extensive experience coordinating with IT teams for infrastructure design in support of HPC racks and data centers.

· Excellent communication skills and ability to collaborate in a cross-discipline team.

· Comfortable with a fast-paced environment that is rapidly developing and changing.

· Prior experience with hyperscale data center environments or co-location facilities at the Tier III or Tier IV levels as defined by Uptime Institute


Preferred Qualifications:

· Central plant equipment (chillers, etc.

· Experience with 2-phase direct liquid cooling systems.

· Professional Engineering (PE) license or equivalent international certification (this position will not be stamping drawings as EOR).

· Visio, BlueBeam, AutoCAD, or other design and drafting software.


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 accommodations@arm.com . 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.

Salary.com Estimation for Principal Mechanical Thermal Engineer in Austin, TX
$112,887 to $135,406
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