Senior 3rd Line Engineer

  • Sivara GmbH
  • 21/06/2026
Full time Information Technology Telecommunications

Job Description

Salary: £65,000 - 65,000 per year

Requirements
  • We are looking for a senior-level engineer with hands on experience across Microsoft 365.
  • We need strong capability in Microsoft Entra ID, Intune, endpoint security, Copilot, and SharePoint.
  • We require a solid background in Microsoft security tooling and secure design.
  • We prefer experience working in MSP or multi tenant environments.
  • We are looking for someone confident working directly with customers at both technical and business levels.
  • We value relevant Microsoft certifications such as MS-102, MD-102, and SC or AZ security pathways.
  • PowerShell scripting and automation experience is desirable.
  • Exposure to Microsoft Defender XDR and Sentinel is desirable.
  • Experience contributing to or improving technical standards across teams is desirable.
  • We are looking for someone who can support a hybrid working model in Stonehouse, with 2 days onsite and 3 days working from home.
Responsibilities
  • We act as a technical authority and escalation point for complex incidents and projects.
  • We build and maintain trusted relationships with customers, translating business needs into secure technical solutions.
  • We share knowledge, mentor colleagues, and help upskill junior engineers.
  • We contribute to technical standards and help shape our technical direction.
  • We design, deploy, and optimise Microsoft 365 services including Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, and Microsoft 365 Groups.
  • We lead tenant reviews, remediation activities, and platform standardisation.
  • We drive adoption of secure and governed modern working practices.
  • We support migrations and transformations from legacy or poorly configured environments.
  • We design and manage secure identity architectures using Microsoft Entra ID.
  • We implement and maintain Conditional Access, MFA, passwordless authentication, and Privileged Identity Management.
  • We engineer and operate Microsoft security tooling, including Microsoft Defender and Microsoft Purview.
  • We apply Zero Trust principles and Microsoft security best practices.
  • We support customer compliance needs, including ISO 27001-aligned controls and GDPR considerations.
  • We architect and manage device estates using Microsoft Intune and Windows Autopilot.
  • We define secure baseline configurations for Windows 11, macOS, iOS, and Android.
  • We improve device security posture, patching, and lifecycle management.
  • We use PowerShell and automation to reduce manual effort and improve consistency.
  • We contribute to documentation, runbooks, and internal standards.
  • We work with operations teams to improve repeatability and service quality.
Technologies
  • Android
  • Architect
  • Copilot
  • Support
  • macOS
  • Microsoft 365
  • Microsoft Intune
  • Mobile
  • PowerShell
  • Security
  • SharePoint
  • Windows
  • iOS
  • Office 365
  • Cloud
Benefits

Benefits include enhanced annual leave increasing with service, a birthday day off, private medical cover after 1 year, a health cash plan after 1 year, PerkBox access with discounts and wellness support, a cycle to work scheme, an employee referral scheme, and breakfast and fruit every day.