Senior Azure & 365 Platform Architect — Hybrid & Growth

Portfolio BI, Inc.; Greater London; Hybrid; GBP 110,000 - 140,000; Full time

Benefits offered by this job

Hybrid working

Challenging technical projects

Competitive compensation

Health coverage

Paid time off

Learning and development

Certifications and bonuses

Job summary

Portfolio BI, Inc. is seeking a Senior Azure & Microsoft 365 Platform Architect to own the Azure environment and drive secure, scalable operations.

You will collaborate with external partners to ensure alignment with architecture and governance across identity, access, and monitoring. Based in the United Kingdom, the role offers hybrid work with modern cloud platforms, multi-region DR readiness, and hands-on responsibilities for Terraform, Azure DevOps, and security configurations to maintain

Qualifications

• Strong hands-on experience with Azure and Microsoft 365 platforms.
• Proven ability to design and operate production cloud environments.
• Expertise in identity and access governance and security controls.
• Experience with disaster recovery and multi-region architectures.

Responsibilities

• Oversee Azure subscriptions, landing zones, networking, compute, databases, and Microsoft 365 tenant configuration.
• Validate deployed infrastructure against documented architecture and security requirements.
• Review Entra ID, Conditional Access, authentication flows, RBAC, PIM, emergency access, service identities and guest/B2B and client-facing identities. Ensure least-privilege access, effective joiner/mover/leaver processes, recurring access reviews and removal of orphaned identities
• Reconcile permissions and access dependencies across Microsoft 365, Azure, Azure DevOps and applications; oversee Key Vault, secrets, certificates and rotation
• Assess and improve disaster recovery, including recovery units, shared dependencies, RTOs/RPOs, backups, database replication, point-in-time restoration and multi-region design.
• Improve service-health monitoring using Azure Monitor, Log Analytics, KQL and Application Insights. Map services to monitoring signals, tune alerts for actionability, routing and ownership, and distinguish customer-facing status from operational diagnostics
• Troubleshoot production issues across infrastructure, applications, APIs and integrations, maintaining practical runbooks and technical documentation
• Maintain Terraform configurations, modules and state; detect configuration drift, support Azure DevOps pipelines and permissions, and develop PowerShell scripts and automation
• Apply Azure Policy and landing‑zone guardrails, maintain tagging, naming and subscription standards, and improve cost management, including telemetry retention and access
• Act as the internal technical counterpart to external providers, constructively challenge proposed changes and communicate gaps, risks and recommendations clearly to technical and non-technical stakeholders.

Skills

Azure platform engineering

Microsoft 365 administration

Identity and access governance

Entra ID / CA / RBAC

Key Vault management

Disaster Recovery planning

Terraform

Azure DevOps

PowerShell scripting

Security configuration

Documentation and runbooks

Tools

Terraform

Azure DevOps

PowerShell

Azure Monitor

Log Analytics

KQL

Application Insights

Key Vault

Entra ID

Mimecast

Job description

Portfolio BI, Inc. is seeking a Senior Azure & Microsoft 365 Platform Architect to own the Azure environment and drive secure, scalable operations.

You will collaborate with external partners to ensure alignment with architecture and governance across identity, access, and monitoring. Based in the United Kingdom, the role offers hybrid work with modern cloud platforms, multi-region DR readiness, and hands-on responsibilities for Terraform, Azure DevOps, and security configurations to maintain