Senior TechOps Engineer

Uniphar Group; Dublin; Hybrid; EUR 85,000 - 120,000; Full time

Job summary

Uniphar Group in Dublin seeks a Senior Systems Administrator to manage and secure critical IT infrastructure across on‑premises and cloud environments. You will install, configure, and maintain servers, storage, and networking components, ensuring high availability and performance.

You will monitor health and capacity, troubleshoot issues, and drive patching/upgrades. The role requires scripting in PowerShell, disaster recovery planning, and strong cybersecurity practices in a hybrid work

Qualifications

• 5+ years of experience as a Senior Systems Administrator or similar role.
• Strong knowledge of Windows systems.
• In-depth knowledge of cloud platforms (AWS, Azure, GCP) and virtualization (VMware, Hyper-V).
• Experience with networking and diagnosing TCP/IP, DNS, DHCP, VLANs, etc.
• Hands-on scripting using PowerShell.
• Experience with disaster recovery planning and execution.
• Knowledge of cybersecurity best practices and security management (firewalls, VPNs, IDS/IPS).
• Ability to work in a hybrid environment with strong time management skills.
• Participate in on-call rota.

Responsibilities

• Manage and support on-premises and cloud-based systems.
• Install, configure, and maintain hardware and software, including servers, storage, and networking components.
• Ensure the stability, security, and performance of IT infrastructure across multiple platforms.
• Monitor systems' health, performance, and capacity.
• Identify and troubleshoot issues to ensure high availability and optimal performance.
• Proactively manage patching and upgrades to minimise disruptions.
• Liaise with vendors to plan upgrades to managed firewalls, VPNs, and other security tools.
• Develop scripts and automation processes for system administration tasks using PowerShell.
• Provide support for escalated issues and collaborate with developers and IT staff.
• Document system configurations, processes, and procedures for IT staff and end-users.

Skills

Windows

Cloud platforms

Virtualisation

Networking

PowerShell

Disaster recovery

Cybersecurity

Hybrid work

On-call

Tools

SCOM

Nagios

Zabbix

Prometheus

Azure Monitor

Job description

Key Responsibilities

• Systems Administration:
  • Manage and support on-premises and cloud-based systems.
  • Install, configure, and maintain hardware and software, including servers, storage, and networking components.
  • Ensure the stability, security, and performance of IT infrastructure across multiple platforms.
• Monitoring & Performance Tuning:
  • Monitor systems' health, performance, and capacity.
  • Identify and troubleshoot issues to ensure high availability and optimal performance.
  • Proactively manage patching and upgrades to minimise disruptions to the business.
• Security Management:
  • Implement and maintain security policies and procedures to protect systems and data, as laid out by our SecOps team
  • Remediate vulnerabilities, ensuring systems are compliant with best practices and relevant regulations.
  • Liaise with vendors to plan upgrades to managed firewalls, VPNs, and other security tools.
• Backup & Disaster Recovery:
  • Manage backup strategies and disaster recovery plans.
  • Regularly test and refine recovery procedures to ensure data integrity and rapid restoration capabilities.
• Automation & Scripting:
  • Develop scripts and automation processes for system administration tasks using PowerShell
• Collaboration & Support:
  • Provide support for escalated issues from Internal Team Members and outsourced L1/L2 Provider
  • Collaborate with developers, network administrators, and other IT staff to optimise and streamline infrastructure.
  • Document system configurations, processes, and procedures for IT staff and end-users.

Required Skills & Qualifications

• 5+ years of experience as a Senior Systems Administrator or similar role.
• Strong knowledge of Windows systems.
• In-depth Knowledge of cloud platforms (AWS, Azure, GCP) and virtualisation technologies (VMware, Hyper-V).
• Experience with networking and diagnosing issues relating to (TCP/IP, DNS, DHCP, VLANs, etc.)
• Hands-on experience scripting using PowerShell.
• Experience with disaster recovery planning and execution.
• Knowledge of cybersecurity best practices and security management (firewalls, VPNs, IDS/IPS).
• Ability to work in a hybrid environment with strong time management skills.
• Excellent problem-solving skills and ability to troubleshoot complex systems issues.
• Participate in on-call rota

Preferred Qualifications

• Microsoft Server and Azure Certifications advantageous.
• Experience with containerisation using Docker and Kubernetes
• Familiarity with monitoring tools (SCOM, Nagios, Zabbix, Prometheus, Azure Monitor).