Senior Manager, Global Stock Administration

JOB OVERVIEW
Arm is seeking an experienced, proactive, and forward-thinking Senior Manager, Global Stock Administration to play a key role in the administration, operational excellence, and continued evolution of our global equity compensation programs.
This is an exciting opportunity to help manage and enhance Arm's broad-based equity programs, including Restricted Stock Units (RSUs), Performance Stock Units (PSUs), the Employee Stock Purchase Plan (ESPP), and the planned introduction of a Save As You Earn (SAYE) program in 2027. Supporting colleagues across 20+ countries, this role offers the opportunity to navigate the complexities of global equity administration while driving operational improvements and enhancing the employee experience.
The ideal candidate brings deep expertise in global equity administration, strong operational and technical capabilities, and a passion for continuous improvement. We are looking for someone who thrives in a dynamic, fast-paced environment, enjoys managing complex projects, and is excited to leverage emerging technologies, including AI and automation, to streamline processes, reduce manual work, and improve efficiency.
This highly collaborative, hands-on role partners closely with teams across Arm, including Reward, Tax, Legal, Finance, Accounting, Payroll, People Operations, and IT, as well as external service providers, to support the successful delivery and continued evolution of Arm's global equity programs.
RESPONSIBILITIES

• Global plan operations: Oversee the accurate and timely administration of equity grants, RSU/PSU vesting and releases, and ESPP purchases. Ensure the integrity of participant records and equity transactions in Fidelity, while coordinating related payroll, treasury, and accounting deliverables.
• ESPP and new program delivery: Lead ESPP enrollment cycles, eligibility and contribution audits, purchase reconciliations and feedback files; support the design, launch and ongoing administration of SAYE in 2027 and other program enhancements.
• Global tax and compliance: Partner with Tax, Payroll, Legal and advisors on equity withholding, country-specific filings and evolving regulatory requirements; manage annual U.S. Section 6039 activities and support international reporting, including UK ERS and relevant Ireland, Japan, South Korea and Canada requirements.
• Global mobility taxation: Partner with Tax and Payroll teams to coordinate equity releases for internationally mobile and U.S. state-mobile colleagues.
• China SAFE compliance: Manage stock administration responsibilities under China State Administration of Foreign Exchange (SAFE) requirements, including regulatory reporting, registrations, fund remittances, related controls and coordination with internal stakeholders and external service providers.
• SOX, reporting and audits: Perform and review monthly and quarterly SOX controls, reconciliations and supporting evidence; provide internal and external audit support, share activity and share-pool reporting, beneficial ownership data and equity inputs for financial statements and regulatory filings.
• Executive and corporate activity: Support Legal with Section 16 Forms 3, 4 and 5, executive equity administration, trading-window/preclearance processes; lead equity workstreams for acquisitions and other corporate transactions.
• Technology and AI transformation: Partner with IT and Fidelity to prioritize enhancements, integrations, and data quality improvements; champion responsible AI and automation for reconciliations, reporting, audit support, data validation and employee service, reducing repetitive manual tasks and enabling scale.
• Employee experience and partnerships: Resolve complex employee inquiries and escalations; improve employee education, communications and Fidelity service experiences; manage vendor relationships, project timelines, dependencies and cross-functional delivery.
• Operational stewardship: Support the continued enhancement of global stock administration processes through strong internal controls, comprehensive documentation, and efficient workflows. Identify opportunities to streamline operations, reduce manual effort, leverage technology and automation, and improve overall efficiency and accuracy.

REQUIRED SKILLS AND EXPERIENCE

• Required: 8+ years of progressive stock plan administration experience, including meaningful ownership of broad-based global equity operations in a publicly traded multinational company.
• Technical expertise: Deep experience with RSUs, PSUs, ESPP, global payroll and tax withholding, regulatory compliance, SOX controls, and Fidelity equity administration tools; advanced Excel and strong data skills.
• Delivery and judgment: Proven ability to independently manage multiple complex, time-sensitive projects, diagnose issues, anticipate risk and work effectively across global teams and external providers.
• Working style: Proactive, curious, accountable and energized by a fast-moving environment; able to balance detailed transaction execution with strategic, scalable process design; enthusiastic about AI and practical automation.

NICE-TO-HAVE SKILLS AND EXPERIENCE

• Certified Equity Professional (CEP) designation is preferred.
• International programs: Experience supporting equity administration across 20+ countries, particularly in Europe and Asia-Pacific, and familiarity with UK SAYE.
• Specialized topics: China SAFE, global mobility taxation, Section 16, equity administration in acquisitions, HRIS/payroll integrations, and implementation of automation or AI-enabled workflows.

IN RETURN
Equity connects Arm colleagues with the company's long-term success. In this role, you will help shape the next generation of global equity administration-strengthening controls and employee experience while building smarter, more automated and scalable processes.
ADDITIONAL INFORMATION
Please note that no relocation package is available for this role.
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 [email protected] 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 [email protected] . 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 to the extent 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:
$187,000-$253,000 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.
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 [email protected] 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 [email protected] . 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.