System Engineer

System Engineer Division: National Security Division Job Type: Contract/Interim Contact Phone: 01782 203040 Salary: £350 - £400 per day + Inside IR35. Negotiable Location: London Ref #: LZM147134SYENG Post Date: 24-03-2026 05:45 PM Apply Direct System Engineer We are looking for a systems engineer with strong expertise in enterprise IoT infrastructure, server engineering, and networking to support and implement IoT/OT solutions for a global financial services environment. The role supports enterprise‑grade IoT deployments, including device configuration, patch testing, secure integrations, and rollout activities, while working closely with internal teams, vendors, and stakeholders. Skills: - Windows and Linux server engineering - Solid networking fundamentals, including Layer 3 concepts (routing, subnets, DNS, DHCP) - Hands‑on experience with IoT devices / hardware configuration and troubleshooting - Working knowledge of APIs, system integrations, and technical environments - Experience with SaaS platforms and enterprise authentication protocols (SAML, OIDC) - Understanding of firewalls, proxy servers, and load balancers in enterprise environments - Proven experience operating in L2 / early L3 support models - Knowledge of security fundamentals, including encryption, authentication, and authorization The contract is for 12 months inside IR35. The role is based on a hybrid working model with three days required in Central London each week.