Senior IT and Security Administrator

Druid Software; Ireland; Hybrid; EUR 65,000 - 90,000; Full time

Benefits offered by this job

Hybrid working model after probation

Employee Share Option Scheme

Company pension contribution

Death in service benefit

22-25 days annual leave

Travel for work

Mentoring and coaching

Technical and business training

Career development opportunities

Team get-togethers

No Meetings Fridays

Job summary

Druid Software in Ireland seeks a Senior IT and Security Administrator to lead the implementation and maintenance of IT and security architecture, assets, and staff provisioning in a full-time role.

You will design and operate robust network infrastructure, secure systems, and cloud environments, while coordinating incident response and mentoring junior staff.

Qualifications

• 5–8 years IT experience with network implementation and security focus.
• Bachelor’s degree in Computer Science, Engineering, IT, or Cybersecurity.
• Strong Linux knowledge and experience with virtualised environments.

Responsibilities

• Design, implement, and maintain robust network infrastructure (LAN/WAN/Wi‑Fi/VPN).
• Configure routers, switches, firewalls; monitor servers in physical, virtual, and cloud envs.
• Lead security tooling deployment (IDPS, antivirus, SIEM) and risk assessments.
• Manage staff onboarding/offboarding and asset lifecycle; enforce least privilege.

Skills

Network implementation

Linux administration

Cloud security (AWS/Azure)

IDPS/SIEM tools

Virtualised environments (VMware, Open

Education

Bachelor’s degree in Computer Science, Engineering, Information Technology, or Cybersecurity

Tools

VMware

OpenShift

Kubernetes

Docker

AWS

Azure

Job description

Job Title

Senior IT and Security Administrator

Department

IT / Engineering

Role Overview

This is a full time hands-on technical role focused on the implementation and maintenance of the organization’s IT and security architecture. You will act as a primary technical resource responsible for administrating and executing the company IT and Security strategy, managing IT assets, and facilitating secure staff transitions.

Key Responsibilities

• 1. Implementation & Maintenance of IT Architecture

  Design, implement, and maintain robust and scalable network infrastructure, including LAN, WAN, Wi-Fi, and VPN services, to support business operations.

  Configure, install, and troubleshoot network devices such as routers, switches, wireless access points, and firewalls.

  Monitor, maintain and upgrade company servers and systems in hardware, virtual and cloud based environments.

  Installation and Administration of Linux-based systems and software/services

• 2. Operational Security & Monitoring

  Lead the technical deployment and management of security tools, including Intrusion Detection/Prevention Systems (IDPS), antivirus/anti-malware solutions, and SIEM platforms.

  Monitor network performance to identify bottlenecks and implement technical solutions that optimise efficiency and reliability.

  Perform regular risk assessments, vulnerability management, and penetration testing to identify and mitigate technical risks.

  Implement and manage security access control and identity management systems to ensure least-privilege access is maintained throughout the employee lifecycle.

• 3. Asset Management & Staff Operations

  Maintain accurate tracking and inventory documentation for all IT hardware and software assets, ensuring the registry is up-to-date and compliant with security policies.

  Manage the technical onboarding and offboarding processes for staff, ensuring timely and secure provisioning of hardware and access rights, as well as the secure de-provisioning and retrieval of assets for departing employees.

• 4. Incident Response & Support

  Participate in the investigation and resolution of security incidents as part of the wider incident response plan.

  Provide technical mentorship to junior staff and handle escalated troubleshooting requests.

  Ensuring ongoing archiving of relevant logs and artefacts for future investigate.

  Support of other departments as required, e.g. deployment of off-site pop-up networks for the marketing department during demos and events

Qualifications & Skills

Experience: 5–8 years of IT experience with a strong focus on network implementation and technical security.

Education: Bachelor’s degree in Computer Science, Engineering ,Information Technology, or Cybersecurity.

Technical Proficiency:

• Extensive experience with network protocols (TCP/IP, VLANs, routing).
• Extensive Linux knowledge.
• Experience with Virtualised Environments (VMWare, Openshift, Kubernetes, Docker)
• Hands-on experience with EDR tools and cloud security environments (AWS, Azure) desirable

Certifications

Comp TIA Linux+ (or similar), CCNP (Cisco Certified Network Professional), CompTIA Network+, or CompTIA Security+ desirable.

Benefits

• A competitive salary
• After successful completion of the first three months of your six-month probationary period, the opportunity of a hybrid working model will be available.
• Employee Share Option Scheme after one year's service.
• 2% company pension contribution from start rising to 5% company pension contribution after one year's service.
• Death in service benefit from the date of joining
• 22-25 days Annual Leave depending on length of service.
• Opportunity to travel for work related purposes.
• Opportunity to work alongside leading engineers in newly emerging technologies.
• Mentoring and coaching
• Technical and business training.
• Career Development Opportunities
• Team ‘get togethers’ to celebrate successful quarterly Demos
• “No Meetings” Fridays.