Senior Infrastructure Engineer at SCHILLINGS in London, England, GB

Schillings handles high stakes opportunities and threats for an international clientele: successful individuals, businesses and high-profile organisations across the world.

We support our clients to achieve their goals by developing winning strategies to protect their freedom to operate, and are the first port of call in a crisis, defending our clients from attacks on their reputations, privacy and security. Schillings’ offer is unique to the market, combining strategic communications with law, intelligence & investigations, digital resilience and security.

Schillings is a collaborative and welcoming place to work, with a positive culture, strong values and a developed service ethic. We require commitment, diligence, curiosity, agility and professionalism, and in return provide competitive packages, stimulating challenges and interesting work. We are committed to sharing learning and creating development opportunities so you can progress your career with us. Our people’s career trajectories and average longevity at Schillings underline this.

Join us and become part of our story.

Role Overview

We are seeking a Senior Infrastructure Engineer with expert-level knowledge across Microsoft 365, Azure, and related technologies. You will play a critical role in managing, supporting, and evolving Schillings’ infrastructure, ensuring our systems are secure, reliable, and aligned with organisational needs.

Working closely with the IT Director, you will act as a technical expert across core platforms including Intune, Entra ID, Exchange Online, Microsoft Teams, SharePoint Online, and Azure. You will also provide support for Meraki networking, and other business applications used across the firm.

This role is ideal for a hands-on engineer who enjoys end‑to‑end ownership, technical problem-solving, and contributing to strategic improvements.

Key Responsibilities

Infrastructure Management & Support

• Own the day‑to‑day management of Schillings’ Microsoft 365 and Azure environments.

• Administer, maintain, and optimise core M365 services:

• Intune (device, app, and compliance management)

• Entra ID (identity, conditional access, security posture)

• Exchange Online

• Microsoft Teams

• SharePoint Online

• CoPilot

• Deliver 3rd line support for complex technical issues, acting as the escalation point for the wider IT function.

• Oversee, manage, and respond to tickets, ensuring consistent service levels and timely resolution.

• Build and maintain a documentation repository and knowledge hub.

Cloud, Security & Device Management

• Manage Azure resources including VMs, networking, identity, automation, and monitoring.

• Oversee device lifecycle management across Windows, IOS, and mobile endpoints via Intune and Apple Business Manager.

Networking & Infrastructure

• Support and maintain Cisco Meraki networking (switching, firewalls, Wi‑Fi,).

AI, Copilot, and Automation Expertise

• Strong working knowledge of Microsoft Copilot across M365, including configuration, governance, and user enablement.

• Experience deploying, administering, and optimising Copilot for Microsoft 365 capabilities such as:

• Copilot in Teams, Outlook, Word, Excel, and SharePoint

• Security, data access, and permissions considerations for safe Copilot use

• Monitoring usage, adoption, and effectiveness

• Understanding of responsible AI practices, data governance, and least‑privilege access related to AI‑driven tools.

• Ability to identify processes that can be improved or automated using Copilot, Power Automate, Azure AI services, or other low‑code tools.

• Support the development and rollout of Power Platform solutions (Power Automate, Power Apps).

• Identify opportunities to automate manual processes and improve efficiency.

Applications & Additional Platforms

• Provide support for business applications including our DMS and PMS.

• Assist with vendor management, system upgrades, and integration projects.

Mentoring & Team Development

• Mentor, coach, and support colleagues to build skills, confidence, and capability.
• Provide guidance on best practices, troubleshooting approaches, and effective use of tools.

Skills & Experience Required

Essential

• Expert-level administration experience in:

• Intune

• Entra ID / Azure AD

• Exchange Online

• Teams

• SharePoint Online

• CoPilot

• Strong Azure platform experience (VMs, networking, security, monitoring).

• Solid experience with Cisco Meraki networking.

• Proven experience in managing and prioritising support tickets.

• Experience mentoring, guiding, or supervising junior technical staff.

• Strong security awareness and identity-driven security understanding.

• Excellent communication, documentation, and problem-solving skills.

Desirable

• Power Platform knowledge (Power Apps, Power Automate).

• Experience with iManage or similar business applications.

• Previous work in legal, professional services, or consultancy environments.

• Experience contributing to infrastructure transformation, cloud migration, or modernisation programmes.

Personal Attributes

• A natural mentor and team player with strong leadership instincts.

• Calm under pressure with excellent prioritisation skills.

• Proactive, forward‑thinking, and committed to continuous improvement.

• Strong sense of ownership and accountability.

• Clear, confident communicator with excellent stakeholder engagement skills.

Life at Schillings

Given our bold and innovative business strategy, it is not surprising that Schillings has a very strong culture. The atmosphere is highly collaborative and focused on excellence. We have worked hard over the years to develop a coaching culture. Schillings has adopted a set of values to put at the heart of this and they reflect the intention and tenor of our ambitious plans. They are: ‘Innovative; Bold; United; and Excellent’. Our client list speaks for the outstanding results that have been delivered over many years and the task now is to grow without losing any of the commitment to delivering for clients or our service ethos. Finding people who share our values and can thrive in this environment is key to our success.

It takes a unique mix of people to create something truly great. We appreciate that diversity of thought, background and culture creates the best environment to truly innovate, solve problems and achieve our goals. We welcome candidates from all backgrounds – if you are driven and want to achieve your best then we will give you the platform and support to succeed.

Please let us know if there are any extenuating circumstances we should consider, or any adjustments we may need to make to our selection process, when making your application.

Find our candidate privacy notice here, Candidate Privacy Notice (schillingspartners.com)