Identity Security Architect

Identity Security Architect – Arm

Job :  |
Posted: 25/11/2025 |
Location: Cambridge, United Kingdom |
Category: IT

We’re looking for an experienced Zero Trust Identity and Access Management (IAM) Security Architect to shape how Arm secures its global workforce and systems. You’ll design and guide the strategy behind secure, scalable identity solutions that enable employees, contractors and third parties to work safely anywhere.

• Lead the design and implementation of enterprise Zero Trust IAM architecture across AD, Entra , SSO, MFA, PAM, and PKI.
• Create and maintain Zero Trust IAM security roadmaps, patterns, and reference designs.
• Support and partner with IT, GRC, and Engineering teams to ensure compliance and security standard processes.
• Evaluate and integrate new identity tools, authentication platforms and access capabilities.
• Drive continuous improvement through risk assessments, threat modelling, and automation.

• Over 7 years of practical experience in designing and running IAM solutions for both human and non-human identities within large-scale, complex environments.
• Deep knowledge of identity protocols (SAML, OAuth2, OIDC, SCIM, LDAP/AD, PKI).
• Expertise in at least two IAM product areas (e.g., PAM, SSO/MFA) such as Okta, Cyber Ark, Ping, or preferably Microsoft Entra .
• Good understanding of LDAP directories, preferably Oracle.
• Strong understanding of security frameworks and compliance (NIST, ISO 27001, SOX, GDPR).
• Experience working with cloud identity (Azure, AWS, or GCP).

• CISSP, CISM, CIAM, or similar security certification.
• Familiarity with automation, API protection, or security orchestration.
• Experience with API security or microservices identity patterns.

If you need an adjustment or an accommodation during the recruitment process, please email …

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.

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.