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Systems and Network Administrator
Location
Ireland
Posted
30 days ago
Salary
0
Seniority
Senior
Job Description
Systems and Network Administrator
Castillians
• Be part of our Global Engineering Network • Support, maintain, and optimize enterprise IT infrastructure environments across systems, networking, cloud services, and end-user technologies • Ensure the stability, performance, and security of distributed enterprise environments while supporting operational activities, troubleshooting incidents, and assisting with infrastructure projects across cloud, systems, networking, and remote support domains • Perform remote systems and network administration activities across enterprise environments • Support and maintain cloud infrastructure services, including virtual machines, backup solutions, storage monitoring, and snapshots • Administer and troubleshoot Windows Server and Linux environments remotely • Manage networking infrastructure, firewall configurations, VPN connectivity, and telephony services • Respond to technical incidents and service requests in line with IT service management best practices • Monitor infrastructure environments remotely and proactively address alerts, outages, and operational risks • Troubleshoot hardware, software, networking, and end-user device issues through remote support tools • Provide remote technical support to users, stakeholders, and customers across multiple regions • Perform backup validation and support disaster recovery activities for infrastructure environments • Assist with preventive maintenance activities across systems, networking, security, and cloud infrastructure • Maintain accurate technical documentation, troubleshooting procedures, and infrastructure inventories • Participate in remote on-call rotations and provide after-hours support when required • Collaborate with distributed cross-functional teams on operational and project-based initiatives
Job Requirements
- University Degree in Information Technology, Computer Science, or a related field
- 5+ of Experience in remote systems administration, infrastructure support, or network operations
- Experience with:
- Windows Server administration
- Linux server environments
- Cloud infrastructure platforms
- Networking technologies and firewall management
- VPN and remote connectivity solutions
- IT support and troubleshooting processes
- Understanding of IT service management and ITIL best practices is considered an advantage
- Strong troubleshooting, analytical, and problem-solving capabilities
- Excellent communication skills, with experience supporting remote users and global teams
- Strong time management and self-organization skills
- Eagerness to learn and adapt to emerging technologies and enterprise infrastructure solutions
- Fluent in English, both written and verbal.
Benefits
- Clear scope with no ambiguity over deliverables.
- Opportunity for repeat engagements based on performance.
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