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Principal Physical Implementation Engineer

Job ID 2026-19263 Date posted Sep. 02, 2026 Location Sophia Antipolis, France Category Hardware Engineering Apply

Do you want to help Arm and its partners to build outstanding products?

Here is an opportunity to work on the next generation of processors that will appear in the most desirable products over the next 3 years. The Local design team is a good combination of very expert engineers and some of the most enthusiastic and hardworking graduates. Collectively, the team is highly creative, collaborative, delivery orientated and committed.

Job Overview:

Meeting Area, Frequency and Power requirements are one of the most meaningful activities in CPU development. We work in close loop with micro-architecture designers and standards cells/Macro designers to build and improve overall quality of processors, targeting 2nm and below technology nodes. We are also taking ownership of a complete implementation flow development from synthesis to GDSII, including static timing analysis, IR drop analysis and equivalence checking.

Responsibilities:

As lead member of the CPU physical implementation team, you will:

  • Work together with the CPU design team to identify critical paths, timing and power bottlenecks across IP development, enabling accurate trade-off between the various performance metrics of the designs (frequency, IPC, power, area)
  • Participate in existing CPU benchmarking to get the best possible results.
  • Improve methodology and flow for better quality of results and efficiency

Required Skills and Experience :

  • Graduated from a University or Engineering School, in Electronic Engineering or Computer Science and 15-18 years of professional experience in similar position with experience in driving a team. Strong drive and motivation to improve power/frequency/area of CPU
  • Experience on synthesis/floor-planning/power planning, clock tree, place and route tools and techniques
  • Knowledge of CPU micro-architecture concepts (cache, MMU, pipeline…)
  • Ability to schedule workload and plan tasks for a team
  • Good interpersonal skills and passion for the mission

“Nice To Have” Skills and Experience :

  • Experience of developing automation scripts (Python, tcl …)
  • Working in UNIX/Linux environment, with bug tracking and source code control systems, especially GIT
  • Able to work in French and in English

In Return:

We have a friendly and high-performance working environment, where Arm offers a competitive benefits package in France, including: private medical insurance (employee and family), 25 days annual leave, 20-day sabbatical every four years, supplementary pension and reduction in working hours (11 days).

Our 10x Mindset

At Arm, we believe progress happens when people are empowered to think bigger and push beyond what seems possible. Our 10x mindset is about curiosity, ambition and creating impact that will be used by millions. We learn fast, prioritise collaboration and turn bold ideas into real technology. We look for people who are inspired by this way of working and want to grow in an environment where bold ideas are welcomed. Discover how the 10x mindset shapes life at Arm: https://careers.arm.com/10x-mindset

Use of AI in Your Application

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 accommodations@arm.com 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 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

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

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 Range:

€136800 - €185000 per year

Innovate and Create on Arm

You know us. With 125 Arm-powered products shipped every second, more than 70% of the world’s population touches Arm technology. Our hardware engineers are a dynamic force driving innovation across various domains. Whether it’s powering your smartphone, delivering award-winning VR gaming, or developing the foundation for the world's fastest supercomputer – our engineers are designing the advanced core processors leading the race toward a connected, autonomous, hyper-performance future.

From advancing core implementation to developing full custom physical IP, Arm hardware engineering pushes the limits in vital areas, such as memory, IO, and logic, to shape the future of technology.

Drive change on Arm

At Arm, you'll influence 100% of the world's connected devices and all their applications. From healthcare and infrastructure to virtual reality, you'll affect nearly all industries worldwide, racing toward new milestones and achievements together.

Revolutionary Benefits

Health and Wellness

We create a safe space for you to nurture both your physical and mental wellbeing.

Work and Life Success

We empower people to experience life beyond the boundaries of standard work patterns.

Financial Rewards

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

Development and Support

We foster professional and personal development, building a supportive community where everyone can thrive.

Life at Arm

Life in the office doesn’t get any better, especially when those offices are as sleek as ours and the people in them are innovative and supportive. Combine that with our focus on delivering as One Arm, and you’ll experience the kind of collaboration and togetherness that’s rare to find elsewhere. We share so much in common, not least a passion for progress, but we also celebrate each other's diversity.

Discover Life at Arm

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