Job Details
Location: City of London (EC1) — onsite
Type: Contract – Inside IR35
Rate: Rate as per experience – Inside IR35
Level: L2 to early L3
About the Role
A hands‑on systems engineering role supporting enterprise IoT deployments alongside broader infrastructure work. This is not a Windows admin or L1 support position — the client needs L2 to early L3 depth across devices, networks, servers, and SaaS platforms.
You’ll be involved in device configuration, patch testing, rollout activities, and troubleshooting across a mixed environment that includes IoT systems (building management, lighting, occupancy, air quality), Windows and Linux servers, and cloud/SaaS platforms.
What You’ll Be Doing
- Supporting and implementing enterprise IoT/OT device infrastructure — config, maintenance, patching, troubleshooting
- Translating architectural designs and requirements into operational implementations
- Performing patch testing, deployments, and device validation
- Troubleshooting complex issues across device, network, server, and platform layers
- Managing migration, refurbishment, and new IoT platform rollout projects
- Writing and maintaining runbooks, technical documentation, and operational guides
- Ensuring compliance with enterprise security standards — auth, authorisation, encryption
- Working with vendors and stakeholders to implement and future‑prove systems
What We Need
- Windows and Linux server administration
- Networking: firewalls, load balancers, proxies, VLANs, subnets
- IoT/OT device configuration, troubleshooting, and support across multiple platforms
- SaaS platform experience, including SAML and OIDC
- Security fundamentals: authentication, authorisation, encryption
- Strong documentation skills — clear, maintainable, and auditable
- Comfortable in a high‑security, production enterprise environment
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