Systems, Network, and Security Administrator

Salary: £50,000 - 50,000 per year

Requirements

• 1-3 years commercial IT/System and Network administration experience
• Demonstrable experience in Windows, Linux and Mac Desktop administration and troubleshooting general PCs and printers
• Good experience in administering and supporting business applications on-premise or in the cloud, such as MS Office, OneDrive, MS Teams, SharePoint, Microsoft Exchange, Google Workspace, etc.
• Knowledge of Windows and Linux servers and Active Directory
• Good knowledge of networking concepts, wired and wireless networks, TCP/IP, DHCP, DNS and VPNs
• Demonstrable Tier 1 and Tier 2 IT support experience
• Understanding of Cyber-Security/data protection concepts, including firewalls, antivirus, email security, etc.
• An ambitious self-starter and problem solver, with excellent attention to detail and an analytical mindset
• Results-oriented with good organisation and planning skills
• Excellent communication and interpersonal skills
• Desirable: Bachelors degree in information technology, computer science, information systems or equivalent
• CompTIA - A Certification
• Cisco Certified Network Associate (CCNA)
• Microsoft System Administrator Certification
• Microsoft Azure Administrator Associate
• Microsoft Modern Desktop Administrator Associate

Responsibilities

• Install, configure, upgrade and maintain business-critical systems and IT assets, such as laptops, network equipment, servers, printers, mobile phones and enterprise applications
• Create and maintain users accounts across business-critical systems
• Manage and administer all business-critical systems
• Monitor and manage business-critical assets and systems performance to ensure high availability, data integrity and business continuity
• Collate and maintain accurate IT and system performance metrics
• Provide on-premise and remote 1st and 2nd line IT Support for all users across the multiple business sites
• Review, manage, update and maintain the accuracy of IT assets and critical systems information within the business assets and systems registry
• Process requests for new IT equipment, services and software, and maintain accurate records
• Implement, monitor and manage the business access control and acceptable use policies and procedures
• Monitor and manage IT and network assets endpoint security
• Implement, monitor and manage the business back-up and business continuity policies and controls
• Manage and administer day-to-day systems and network security operations
• Work closely with the CTO and operations team to support the organisation, adhering to and complying with IT and Security accreditation and compliance frameworks

Technologies

• Active Directory
• Azure
• Cloud
• Cisco
• CTO
• Support
• Linux
• Mobile
• MS Teams
• Network
• Security
• SharePoint
• TCP/IP
• Windows
• Hardware
• Web

More

At ANGOKA, located in Belfast, we are dedicated to the security of critical machine-to-machine communications for autonomous systems. Our innovative, quantum-safe solutions focus on protecting device identities, ensuring communication integrity, and guaranteeing data provenance. This role offers significant learning and professional development opportunities while contributing to our growth in a fast-scaling start-up environment.

last updated 16 week of 2026