Senior Infrastructure Engineer

Join Our Team: Senior Infrastructure Engineer

Are you passionate about infrastructure, cloud, and security? Do you thrive in dynamic environments and enjoy solving complex technical challenges? We're looking for a Senior Infrastructure Engineer to help maintain, develop, and secure our IT systems while driving operational excellence.

About the Role
As a Senior Infrastructure Engineer, you’ll play a critical role in:

• Overseeing the installation, maintenance, and operation of security infrastructure like AV systems, PKI, and Active Directory.

• Implementing server hardening best practices and ensuring compliance with industry standards.

• Identifying and resolving operational issues while delivering reports and improvement proposals.

• Contributing to audits (ISO27001, Cyber Essentials) and providing security advice to IT teams.

• Reviewing infrastructure to ensure best practices and escalating issues when necessary.

What You’ll Bring
Essential Skills:

• AV systems (Preferably Microsoft Defender – Endpoint, Cloud and Identity);

  Microsoft Azure, Entra ID (Azure AD), Microsoft Intune and Azure AD Sync

• Single sign-on technologies - SAML 2.0 protocol, ADFS 2.0

Desirable Skills:

• SIEM experience, Google Cloud knowledge, and advanced endpoint anti-malware solutions.

• Powershell scripting, patch management, and penetration testing expertise.

• Conditional access policies (AZURE)

• PKI – including Active Directory-integrated; - certification management

• Certifications such as ITIL, MCSA, or CEH are a plus.

Why Join Us?

• Work on diverse, complex projects in a global, collaborative environment.

• Develop your skills while taking ownership of impactful initiatives.

• Be part of a supportive team that values innovation, inclusion, and growth.

Apply Today!
Bring your expertise, creativity, and proactive mindset to a team that values your contributions. Let’s shape the future of IT infrastructure together.

Inclusion

Freshfields is an equal opportunities employer and all applications received by the firm will be considered based on their merit alone and we welcome applications from all suitably qualified individuals regardless of background. All offers of employment will be conditional on the candidate having/securing the right to work in the UK and providing the firm with evidence of that right (as required by the Immigration, Asylum and Nationality Act 2006) prior to employment commencing.

Freshfields is a Ban the Box employer. We ask applicants to disclose criminal convictions only when a conditional job offer is made. A conviction does not automatically lead to withdrawal of the offer: we make decisions on a case-by-case basis and take a number of factors into account (e.g. the role you are applying for and the circumstances of the offence). You would have the opportunity to discuss the matter with us before we make a decision.