Trust Systems Ltd
IT Systems & Infrastructure Engineer
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Location - Field-based (London & South East), with office and home working as required.
Reporting To - Head of Cloud Services
Role Overview
We are looking for an experienced IT Systems & Infrastructure Engineer to join our Professional Services team, delivering enterprise-class infrastructure projects across a range of corporate and operational technology (OT) environments.
The role focuses on the design, deployment, migration and support of Microsoft-based infrastructure and end-user computing solutions as part of larger technical projects. Working alongside our Network, Cloud and Project Management teams, you will deliver high-quality installations whilst ensuring systems are secure, documented and built in accordance with customer and company standards.
This is a project delivery role rather than a service desk position, requiring engineers who are comfortable working independently on customer sites and within large enterprise environments.
Key Responsibilities & Skills Requirements
Project Delivery
- Deploy Microsoft Windows Server and desktop infrastructure.
- Build, configure and migrate Active Directory environments.
- Install and configure Microsoft Endpoint Configuration Manager (MECM / SCCM).
- Deploy and support Microsoft Intune where applicable.
- Configure and troubleshoot DNS and DHCP services.
- Deploy and migrate Group Policy Objects (GPOs).
- Configure Windows Firewall policies.
- Install and configure enterprise print management solutions.
- Build, image and deploy Windows desktop and laptop devices.
- Perform server hardware installations and upgrades.
- Configure storage and virtualisation platforms where required.
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Infrastructure
- Active Directory administration
- Microsoft Windows Server 2019/22/25
- Microsoft Windows 10 & 11
- DNS & DHCP
- Certificate Services
- File & Print Services
- Windows Firewall
- Microsoft Defender (desirable)
- Microsoft Entra ID (desirable)
Endpoint Management
- MECM / SCCM administration
- OS deployment
- Driver management
- Software packaging
- Application deployment
- Patch management
- Endpoint configuration
- Device compliance
- BitLocker deployment
Security
- Deploy and manage CrowdStrike Falcon
- Security hardening
- Windows security policies
- MFA integration
- Privileged access management principles
- Vulnerability remediation
Documentation
- Produce high-quality implementation documentation.
- Create build guides and configuration documents.
- Complete testing and commissioning documentation.
- Produce handover documentation.
Desirable Skills
- Hyper-V
- VMware vSphere
- Nutanix
- Veeam Backup
- Storage technologies
- PKI / Certificate Services
- Remote Desktop Services
Experience Required
- Minimum 3–5 years working within enterprise IT environments.
- Experience delivering infrastructure projects.
- Experience working within large corporate networks.
- Experience deploying Microsoft server infrastructure.
- Experience with enterprise desktop rollouts.
- Experience working alongside networking teams.
- Experience following structured project methodologies.
- Experience producing technical documentation.
- Experience working within change-controlled environments.
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Personal Attributes
- Strong troubleshooting ability.
- Excellent communication skills.
- Professional customer-facing manner.
- Highly organised.
- Attention to detail.
- Able to work independently.
- Willingness to travel.
- Strong desire to continually develop technical skills.
Eligibility
- Full UK Driving Licence.
- Eligible to obtain BPSS clearance.
- Eligible to obtain Security Clearance (SC)
What Success Looks Like
- Delivers projects on time and to a high technical standard.
- Produces accurate, professional documentation.
- Achieves first-time-right deployments.
- Maintains excellent customer satisfaction.
- Works collaboratively with Project Managers, Network Engineers and Cloud Engineers.
- Identifies opportunities to improve standards and repeatability.
- Demonstrates a security-first approach in every deployment.
Why Join Us?
You’ll become part of a highly skilled technical delivery team working on enterprise networking, cloud, cybersecurity and infrastructure projects for a wide variety of customers. No two projects are the same, and you’ll have the opportunity to work with modern technologies across Microsoft infrastructure, cybersecurity, virtualisation and enterprise networking while developing your skills within a collaborative and supportive engineering culture.
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