{"id":2121653,"url":"https://alion.io/job/arm-holdings-principal-physical-implementation-engineer","title":"Principal Physical Implementation Engineer","company":{"id":268,"name":"Arm Holdings","domain":"arm.com","url":"https://alion.io/company/arm","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Radancy","truth_index":{"grade":"A","score":86,"open_postings":54,"ghost_share":0,"stale_share":0.574,"repost_share":0,"time_to_fill_p50_days":44,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sophia Antipolis, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":49000,"max_usd":104000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":12},"experience_years_min":15,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":true},{"name":"Python","optional":true},{"name":"Unix","optional":true}],"status":"live","first_seen_at":"2026-09-02T00:00:00Z","employer_posted_date":"2026-09-02","last_verified_at":"2026-10-30T15:52:46Z","board_verified":true,"closed_at":null,"days_open":58,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":58},"description":"Do you want to help Arm and its partners to build outstanding products?\nHere 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.\nJob Overview:\nMeeting 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.\nResponsibilities:\nAs lead member of the CPU physical implementation team, you will:\nWork 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)\nParticipate in existing CPU benchmarking to get the best possible results.\nImprove methodology and flow for better quality of results and efficiency\nRequired Skills and Experience :\nGraduated 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\nExperience on synthesis/floor-planning/power planning, clock tree, place and route tools and techniques\nKnowledge of CPU micro-architecture concepts (cache, MMU, pipeline…)\nAbility to schedule workload and plan tasks for a team\nGood interpersonal skills and passion for the mission\n“Nice To Have” Skills and Experience :\nExperience of developing automation scripts (Python, tcl …)\nWorking in UNIX/Linux environment, with bug tracking and source code control systems, especially GIT\nAble to work in French and in English\nIn Return:\nWe 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).\nOur 10x Mindset\nAt 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\nUse of AI in Your Application\nAt 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.\nRecruitment Adjustments and Accommodations\nAt 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.\nHybrid Working\nArm’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.\nEqual Opportunities\nArm is an equal opportunity employer, committed to providing an environment of mutual respect where equal opportunities are available to all applicants and colleagues. 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