Yadimen Consulting Limited

A leading financial services firm in the City of London is seeking an Infrastructure Specialist to join their team. The role involves managing various infrastructure initiatives, server administration across multiple operating systems, and supporting IoT/OT devices. Skills in network security, automation scripting in PowerShell or Python, and strong communication abilities are essential. Ideal candidates will have exposure to CI/CD pipelines and cloud technologies. The position is onsite, offering a collaborative environment.

A leading technology consulting firm in Greater London is seeking an IoT Solutions Engineer to design and implement IoT network solutions. Responsibilities include integrating devices, developing security strategies, and delivering scalable networks using Cisco SD Access and DNA Center. The ideal candidate has 5-8 years of experience in IoT development and must have production experience with Cisco tools and cloud platforms. This is an onsite position in City of London.

London, United Kingdom Posted on 04/13/2026 Infrastructure Financial Services City of London (EC1) Location: City of London (EC1) - onsite Rate: Rate as per experience Inside IR35 Overview You'll be joining the infrastructure team at a major global financial services firm, working hands-on across their full technology stack. The scope is broad - PoC and RFP/RFE initiatives, day-to-day operations, and support of live IoT systems including building management, lighting controls, occupancy monitoring, and air quality. This isn't an narrow specialism role. You'll move between networking, server administration, automation scripting, and IoT/OT device support depending on what the day demands. Responsibilities Leading and supporting infrastructure PoC, RFP, and RFE initiatives across diverse platforms Managing and troubleshooting network and security configurations - routers, switches, proxies, firewalls, DMZ, RBAC, Kerberos, SSO, LDAP, AD Server administration across Windows, Linux, Mac, and vendor ecosystems (CA, BMC, IBM DataPower) Writing and maintaining automation scripts in PowerShell, Python, Perl, or Shell Supporting, troubleshooting, and upgrading IoT/OT devices across Android, Windows, Linux, Unix, iOS Working with SecDesign teams to apply appropriate controls for integrated solutions Ensuring production systems stay compliant within the Hygiene programme Qualifications Strong network and security background - you understand layers, configs, and authentication flows inside out Server administration across multiple OS and vendor ecosystems - platform-agnostic is the expectation Real scripting ability in PowerShell, Python, Perl, or Shell - production experience, not surface-level Experience supporting IoT/OT devices in enterprise environments Clear, confident communication and stakeholder management skills CI/CD pipeline and cloud technology exposure Nice to Have CCNA, AWS, or Azure certifications Experience working in globally distributed teams

A consulting firm is looking for an experienced systems engineer to support enterprise IoT deployments in London. This hands-on role involves configuring devices, troubleshooting complex issues, and ensuring security compliance across systems. The ideal candidate has strong capabilities in both Windows and Linux server administration, as well as IoT and SaaS platform experience. You will work closely with vendors and stakeholders to implement effective systems in a high-security environment.

Location: City of London (EC1) - onsite Rate: Rate as per experience Inside IR35 Level: L2 to early L3 Aboutthe 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. Requirements 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 proof systems What We Need Windows and Linux server administration 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