Jobs, fresher vacancy - Infrastructure & Network Administrator • UK

Company: Cornspring

UK

** You must have the right to work in the UK - no visa sponsorship can be provided.Cornspring is redefining data solutions for Family Offices, Asset Owners, and UHNW clients. Our AI-powered platform integrates, validates, and secures private financial data, allowing intelligent insights via Gen-AI and LLM-based conversations.Security, privacy, and reliability are at the heart of everything we do. As we scale our technology and infrastructure, we are seeking a diligent and experienced Network Administrator to manage, secure, and optimize our internal and cloud network environments.This is a critical role supporting the stability and integrity of Cornspring’s Microsoft-based infrastructure, ensuring seamless, secure connectivity across systems, users, and cloud services.Key responsibilities OverviewResponsible for the administration, maintenance, and performance of Cornspring’s internal networks, domain environment, and cloud-based services.Ensure the company’s network and system infrastructure operate reliably, efficiently, and securely.Collaborate with technology, security, and operations teams to support business continuity and employee productivity.Network & Infrastructure AdministrationManage and maintain Microsoft Azure resources including virtual networks, firewalls, VPNs, and hybrid connectivity.Administer and support NT domains, Active Directory, DNS, DHCP, and Group Policy Objects (GPOs).Oversee network hardware and connectivity for offices and remote workers, ensuring consistent performance and availability.Monitor network activity, bandwidth, and performance using established tools and best practices.Manage user provisioning, authentication, and access across systems.Microsoft 365 & Endpoint ManagementAdminister Microsoft 365 services including Exchange Online, Teams, SharePoint, and Intune.Manage device enrolment, configuration, and compliance through Intune and Azure AD.Ensure reliable and secure email, collaboration, and file-sharing capabilities for all users.Support user onboarding/offboarding processes and maintain accurate access records.Security & MaintenanceApply security updates, software patches, and configuration changes in line with our security policies.Support endpoint protection and device compliance under the company’s security policies.Conduct regular network and system health checks, backups, and disaster recovery tests.Collaborate with the Head of Information Security on implementing zero-trust and identity management principles where relevant.Support & OperationsProvide 2nd and 3rd level technical support for network, server, and connectivity issues.Document network configurations, standard operating procedures, and troubleshooting guidelines.Work closely with vendors and service providers to ensure uptime and efficient issue resolution.RequirementsExperience5–10 years of experience in network and system administration, in a Microsoft-centric environment.Strong background in Microsoft Azure, NT domains, Active Directory, and Microsoft 365 administration.Experience managing hybrid or cloud-based infrastructures with distributed teams.Familiarity with ITIL-based service management practices and monitoring tools.Technical SkillsProficiency in Azure networking, Active Directory, Group Policy, DNS/DHCP.Experience managing Azure AD Connect, Conditional Access, Intune, and device compliance policies.Good understanding of network fundamentals (LAN/WAN, VPNs, VLANs, routing, switching).Awareness of common security best practices such as least privilege, MFA enforcement, and secure configuration.Mindset & AttributesMethodical, detail-oriented, and proactive in problem-solving.Strong communication and documentation skills.Reliable and consistent in delivering operational excellence.Comfortable working in a fast-paced, high-accuracy environment where reliability and confidentiality are essential.BenefitsCompetitive compensation and performance-based bonus. Hybrid working: we work from a beautiful office in Bank 3 days a week.Being part of a revolutionary movement in Family Office technology.Working with cutting-edge AI and data technologies. Challenging projects that make a real impact to our sector.