Senior IT and Security Administrator

Reperio Human Capital; Wicklow; Hybrid; EUR 65,000 - 90,000; Full time

Benefits offered by this job

Hybrid working model

Pension 2% rising to 5%

Death in service benefit

Annual leave 22-25 days

Travel opportunities

Mentoring and coaching

Training programs

Team events

Job summary

Reperio Human Capital is seeking a full-time, hands-on IT and security architect in Wicklow. You will implement and maintain the organisation’s IT and security framework, acting as the primary technical resource for IT assets, staff provisioning, and secure staff transitions.

The role covers design and maintenance of networked environments, security tooling, risk assessments, and proactive mentoring. A Bachelor’s degree and 5–8 years of IT security experience are required; hybrid work is

Qualifications

• Bachelor's degree in Computer Science, Engineering, IT, or Cybersecurity.
• 5–8 years IT experience with network implementation and security focus.
• Experience with network protocols (TCP/IP, VLANs, routing).

Responsibilities

• Design, implement, and maintain robust network infrastructure supporting operations.
• Lead security deployments including IDPS, antivirus, and SIEM.
• Manage IT assets, onboarding/offboarding, and access control.
• Provide mentoring and support to junior staff.
• Archive logs and artifacts for investigations.

Skills

IT security

Network engineering

Cloud security

Penetration testing

Education

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

Tools

VMware

OpenShift

Kubernetes

Docker

AWS

Azure

EDR tools

SIEM

Job description

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 optimize 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.

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).
• 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.

• 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.
• Team ‘get togethers’ to celebrate successful quarterly Demos