Systems Administrator

Digital Catapult; Greater London; Hybrid; GBP 45,000 - 50,000; Full time

Benefits offered by this job

25 days annual leave

Double-matched pension up to 10%

Discretionary company bonus

Hybrid working model

Continued learning and development

Free office snacks

Health cash plan

Job summary

A leading tech innovation agency is seeking a Systems Administrator to enhance their IT capabilities. In this role, you'll manage platforms like Okta and Microsoft 365, ensuring secure and efficient operations across servers and networks. The successful candidate will troubleshoot issues, enhance security through proactive measures, and support teams in the organization. A competitive salary range of £45-50K, alongside a comprehensive benefits package, is offered, along with hybrid working arrangements.

Qualifications

• Hands-on experience managing modern identity, access, and device management environments.
• Strong administration experience across the Microsoft 365 stack including security tooling.
• Solid networking knowledge including switches, VLANs, and troubleshooting.

Responsibilities

• Manage and maintain core identity, access, and device management platforms.
• Strengthen security posture through proactive patching and monitoring.
• Document best practice standards for application deployment and infrastructure management.

Skills

Proven expertise as a Systems Administrator

Strong administration experience with Microsoft 365 stack

Proficiency with SharePoint Online

Solid networking knowledge

Working experience with Azure

Excellent communication and problem-solving skills

Tools

Okta

Microsoft 365/Entra ID

Intune

Jamf

Microsoft Defender

Rapid7

Automox

Job description

Overview

We are looking for a Systems Administrator to join our IT Team. You'll manage and evolve our core IT stack from Okta, Microsoft 365/Entra ID and Intune, to servers, networks, cloud services and R&D lab environments. You'll drive secure, high performing systems, automate and streamline identity and access, keep our environments patched and protected, and support teams with minimal disruption. We are looking for someone who enjoys solving problems, tightening security, shaping best practice infrastructure, and keeping cutting‑edge tech running smoothly.

What You'll Do (Duties)

• Manage and maintain core identity, access, and device management platforms including Okta, Microsoft 365/Entra ID, Intune, and Jamf.
• Set up and support servers, networks, user accounts, and lab/R&D environments to keep systems secure, stable, and scalable.
• Strengthen security posture through proactive patching, monitoring, incident response, and administration of tools like Microsoft Defender, Rapid7, and Automox.
• Troubleshoot and resolve incidents end‑to‑end, driving root cause analysis and implementing preventative improvements.
• Define and document best practice standards for application deployment, infrastructure management, and SharePoint governance.
• Support teams across the organisation by ensuring seamless operation of desktops, SaaS tools, networks, and workplace technology.

Requirements

• Proven expertise as a Systems Administrator, with hands‑on experience managing modern identity, access, and device management environments.
• Strong administration experience across the Microsoft 365 stack, including Entra ID, Intune, Exchange Online, Conditional Access, and compliance/security tooling.
• Proficiency with SharePoint Online, covering site structure, access, governance, and M365 integration.
• Solid networking knowledge, including switches, VLANs, firewalls, WiFi, cabling standards, and troubleshooting across on‑prem and cloud‑connected environments.
• Working experience with Azure, particularly in identity, security, monitoring, and resource management in a hybrid cloud setup.
• Excellent communication, analytical and problem‑solving skills.
• Previous experience within the technology industry is desirable.

Salary

c. £45-50K (subject to experience) + bonus + competitive benefits package

Deadline for Applications

26th April 2026

Commitment to Equality, Diversity and Inclusion

We recognise and value the advantages and opportunities that come with having people from diverse backgrounds working with us and it is our ambition to build an organisation which is representative and reflective of UK society.

We welcome applications from neurodivergent candidates, candidates from minority and under‑represented groups and from candidates with more or less experience, provided the requisite skills can be demonstrated.

As members of the Disability Confident Scheme, we guarantee to interview all disabled applicants who meet the minimum criteria for the vacancy. Please do speak with us about adjustments that could support you through our interview process.

Digital Catapult is an equal opportunities employer.

Benefits

• We are in the UK's Top 100 Best Workplaces and placed in the UK's Best Workplaces in Tech and Large Organisations.
• Digital Catapult is a Disability Confident Committed Level 1 Employer.
• Excellent holiday package: 25 days annual leave, Bank Holidays and 3 days between Christmas and New Year.
• Double‑matched pension up to 10% of your salary.
• Discretionary company bonus.
• 4% of your salary to use towards selecting benefits that work for you, including health cash plan, Private Medical Insurance, buying holiday, topping up your pension.
• E‑Vehicle Scheme; Cycle2Work; Tech Scheme; Gym Discounts; Give As you Earn; PerkPal.
• Life insurance 4x salary.
• Free to access EAP & Financial Wellbeing advice.
• Enhanced maternity and paternity leave.
• Hybrid working – with great offices to work from 2 days per week with some roles needing to be onsite more regularly to ensure the successful delivery of our work.
• Investment in your ongoing learning and development with us.
• Company social events throughout the year and free office snacks.