Network Administrator

Cornspring
Charing Cross, United Kingdom
13 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior
Compensation
£ 55K

Job location

Remote
Charing Cross, United Kingdom

Tech stack

Microsoft Access
Microsoft Windows
Microsoft Active Directory
User Authentication
Azure
Backup Devices
Cloud Computing
Computer Security
Dynamic Host Configuration Protocol
Disaster Recovery
DNS
Identity and Access Management
Networking Hardware
Virtual Private Networks (VPN)
Routing
Azure
Cloud Services
SharePoint
User Provisioning Software
Virtual Local Area Networks
Wide Area Networks
Firewalls (Computer Science)
Microsoft InTune

Job description

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., Overview

  • Responsible 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 Administration

  • Manage 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 Management

  • Administer 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 & Maintenance

  • Apply 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 & Operations

  • Provide 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.

Requirements

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., * 5-10 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 Skills

  • Proficiency 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 & Attributes

  • Methodical, 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.

Benefits & conditions

  • Competitive 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.

About the company

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.

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