Infrastructure Engineer (macOS)

Addition; West of England; On-site; GBP 60,000 - 80,000; Full time

Job summary

Addition is seeking a skilled macOS infrastructure professional to own and evolve the end-user computing environment for a major UK public-sector programme. You will manage macOS estates at scale with Jamf Pro, collaborate with Architects and Engineers, and ensure secure, reliable devices across several offices in London, Manchester, Bristol, Glasgow and beyond.

The role requires SC security clearance and a track record of delivering enterprise-grade macOS solutions within complex

Qualifications

• Proven experience in managing macOS environments at scale.
• Experience using Jamf Pro for device management.
• Strong knowledge of Windows environments (AD, SCCM, GP).
• Experience with Workspace ONE/AirWatch for mobile devices.
• Ability to troubleshoot complex infrastructure and perform root-cause analysis.
• Understanding of security requirements influencing end-user device design.

Responsibilities

• Take technical ownership of the macOS environment and design end-user solutions.
• Manage and enhance macOS devices using Jamf Pro and MDM tooling.
• Collaborate with Technical Architects and engineers to develop the end-user computing platform.
• Act as escalation point for live services and perform root-cause analysis.
• Produce design, build and infrastructure documentation for macOS solutions.
• Support Windows and mobile environments as needed and assist first-line support teams.
• Maintain device platforms with monitoring, alerts and preventive maintenance.
• Deliver changes through formal change control processes.
• Share knowledge across the team and collaborate with engineers.

Skills

macOS administration

Jamf Pro

Active Directory

SCCM

Group Policy

Workspace ONE

AirWatch

Troubleshooting

Security awareness

Infrastructure monitoring

Change control

Collaboration

SC security clearance

Tools

Jamf Pro

Job description

We’re working with a major public-sector organisation delivering large-scale digital transformation across critical UK services. This role will help shape and improve the end-user technology used by thousands of people, with a particular focus on building a secure, reliable and modern macOS estate.

Role Overview:

• Location: London, York, Manchester, Bristol, Glasgow, Newcastle, Norwich
• Industry: Public Sector / Government
• SC security clearance is required for the role

What You’ll Be Doing:

• Take technical ownership of the macOS environment, designing and delivering solutions across end-user devices.
• Manage and enhance macOS devices using Jamf Pro and wider mobile device management tooling.
• Work closely with Technical Architects, Principal Engineers and other infrastructure specialists to develop the end-user computing platform.
• Act as a technical escalation point for live services, investigating complex issues and carrying out root cause analysis.
• Produce clear technical design, build and infrastructure documentation for macOS solutions.
• Support Windows and mobile environments where required, helping wider engineering and first-line support teams resolve technical challenges.
• Maintain and continuously improve device platforms, including monitoring, alerting and preventative maintenance.
• Deliver controlled infrastructure changes while following established change management processes.
• Share technical knowledge across the team and contribute to a collaborative, multi-disciplinary engineering environment.

Main Skills Needed:

• Strong commercial experience managing and administering macOS environments at scale.
• Hands-on expertise with Jamf Pro for macOS device management.
• Good knowledge of Windows environments, including Active Directory, SCCM and Group Policy.
• Experience managing mobile devices using platforms such as Workspace ONE / AirWatch.
• Strong troubleshooting and problem-solving skills, particularly across complex infrastructure environments.
• Understanding of technical security and how security requirements influence end-user device design and operation.
• Experience supporting infrastructure services across a large user base.
• Knowledge of infrastructure monitoring, alerting and preventative maintenance.
• Experience delivering planned infrastructure changes within formal change control processes.
• Comfortable collaborating across technical teams and sharing knowledge with other engineers.
• SC security clearance is required for the role.

What’s in It for You:

• Work on digital infrastructure supporting high-profile services used across UK government.
• Play a key role in shaping and improving a large-scale macOS and end-user computing environment.
• Collaborate with experienced Architects, Principal Engineers and multidisciplinary technology teams.
• Build your expertise across macOS, Windows, mobile and modern device-management technologies.
• Join a major digital transformation programme where your technical decisions can have genuine nationwide impact.
• Choice of several UK office locations, including London, Manchester, Bristol, Glasgow, Newcastle, York and Norwich.

Big plans. Big impact. Ready to be part of it?

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.