Senior Portfolio Manager

About the Opportunity

Job ID: 2025-15600
Date posted: 02/04/2026
Location: Cambridge, United Kingdom
Category: IT

Job Overview

We are looking for an experienced Portfolio Manager to lead and direct initiatives within our Commercial IT portfolio. You will have good attention to detail, careful planning, situational awareness, risk management, and monitoring to maintain project momentum and engage customers for successful project delivery. Ideal candidates will possess outstanding portfolio, program, and project management experience, strong relationship leadership skills, and commercial domain expertise.

Responsibilities

• Own all engagement within the Commercial portfolio space, including driving prioritization, business engagement, and internal team delivery.
• Partner with business leaders to understand strategy and translate demand into IT roadmaps.
• Drive multiple project deliveries through day-to-day engagement with IT delivery teams and business customers.
• Run the project lifecycle from initial setup, including design, build, test, and cutover/implementation in line with quality and time.
• Lead vendor teams and run to a high standard.
• Effectively communicate project status regularly and handle risk accordingly.
• Take ownership of issues, demonstrating situational leadership.
• Run multiple projects of varying size and stages concurrently.

Required Skills And Experience

Extensive Project, Program, and Portfolio management experience through agile delivery and waterfall methodologies across multiple global teams. Experience in projects and programs related to Commercial functions including Support and Marketing. Adaptability, proficient in key project management tools such as Jira, Confluence, Excel, PowerPoint, MS Project, with good verbal, written, and interpersonal skills.

“Nice To Have” Skills And Experience

• Demonstrable experience delivering projects for major commercial applications (e.g., Salesforce, SAP).
• Background in IT service delivery and operational performance management.
• Relevant qualifications e.g. MSP, APM, Prince2, Agile, SAFe.
• Proficient with project and portfolio tools (Jira, Confluence, Excel, PowerPoint, MS Project).

In Return

With Arm’s growth trajectory, you’ll have clear opportunities to develop your career, take on new challenges, and make a real impact on our continued success.

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.

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, while 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 Range

£82900 - £112100 per year