Senior Microsoft 365 Security & Modern Workplace Lead

83zero Limited; England; Hybrid; GBP 70,000 - 95,000; Full time

Job summary

83zero Limited is seeking a Senior Infrastructure Engineer to lead complex Microsoft Modern Workplace & Security projects in a hybrid Gloucestershire setting. You will design secure Microsoft environments, drive improvements in engineering standards, and mentor engineers while engaging with customers at both business and technical levels.

The role emphasizes hands-on engineering in Microsoft 365, Entra ID, Intune, and Defender/Purview/Sentinel with a focus on zero trust and secure design

Qualifications

• Strong Microsoft 365 engineering experience.
• Entra ID / Intune / Endpoint Security expertise.
• Experience in MSP or multi-customer environments.
• Microsoft security tooling experience.
• Comfortable leading conversations with customers.
• MS102 / MD102 / SC / AZ certifications highly desirable.

Responsibilities

• Leading complex technical projects & escalations.
• Designing secure Microsoft environments.
• Improving engineering standards & service quality.
• Mentoring engineers & sharing best practice.
• Supporting migrations & modern workplace transformations.
• Working directly with customers at both business & technical levels.

Skills

Microsoft 365

Entra ID

Intune

Endpoint Security

Zero Trust

PowerShell

Automation

MS102

Tools

Defender

Purview

Sentinel

Job description

83zero Limited is seeking a Senior Infrastructure Engineer to lead complex Microsoft Modern Workplace & Security projects in a hybrid Gloucestershire setting. You will design secure Microsoft environments, drive improvements in engineering standards, and mentor engineers while engaging with customers at both business and technical levels.

The role emphasizes hands-on engineering in Microsoft 365, Entra ID, Intune, and Defender/Purview/Sentinel with a focus on zero trust and secure design