Senior IT Systems Engineer
Hybrid / Dublin-based role
Salary:
€70,000 – €75,000 per annum plus an excellent benefits package included
Applicants must be eligible to work in Ireland – Irish, EU, Stamp 4, or Spouse Visa holders only.
We are currently recruiting for a
Senior IT Systems Engineer
to join the IT team of a leading multinational SaaS company headquartered in Dublin. Reporting to the IT Manager, this role involves managing demanding IT infrastructure and security needs while supporting both Cloud and on-prem environments.
This is an excellent opportunity to broaden your technical skills and make an active contribution as the company transitions its IT Infrastructure from on-premise to Cloud.
Core Responsibilities:
* Provide world-class infrastructure support:
* Respond to complex helpdesk queries from technical engineers
* Ensure cost-effective and efficient use of IT infrastructure while identifying improvements
* Liaise with hardware/software vendors
* Ensure proper configuration of cloud security measures such as IAM, firewalls, and encryption
* Administer operating systems (Windows, Apple), virtual environments (VMware), and cloud platforms (AWS, Azure)
* Participate in creating and enforcing best practices, guidelines, and procedures
* Conduct security checks and maintain operational security
* Analyse and resolve faults – from system crashes to expired service accounts
* Manage and deploy email, anti-spam, and virus protection
* Monitor all user accounts and endpoint devices using cloud-based tools
* Collaborate with cross-functional teams including network engineers, developers, and security professionals
* Install, support, and maintain new server hardware and infrastructure (Azure)
* Develop, deploy, and maintain security systems (firewalls, IDS/IPS, encryption, authentication)
* Maintain secure access for development environments
* Continuously monitor network activity for security threats
* Manage endpoint protection and DLP solutions
* Implement and manage perimeter security (firewalls, VPNs, access control)
* Evaluate and deploy additional security tools and technologies (SIEM, IDS/IPS, endpoint protection)
Skills Required:
* Advanced knowledge of Microsoft technologies: Active Directory, GPO, Windows OS, Exchange, SQL Server
* Strong understanding of IT security, networking protocols (TCP/IP), firewall/VPN configuration, malware and virus protection
* Advanced technical knowledge of Microsoft Cloud Technologies (Azure, Entra ID, Intune, O365, Defender, SharePoint, Teams, BYOD)
* Advanced knowledge of Palo Alto on-prem and cloud firewalls - Must
* Experience managing Apple MacBook devices with MDM systems
* Strong analytical, problem-solving, and communication skills
* Ability to work independently and manage multiple priorities
* Experience with Linux systems, databases, or firewalls (advantage)
* Azure DevOps experience and automation knowledge (advantage)
* SaaS industry experience (advantage)
* Experience managing Email Gateway and Email Protection systems
* Eagerness to learn, adapt, and share knowledge
Education & Experience:
* 6–10 years' IT Systems Engineer experience (exceptional candidates with less will be considered)
* Third-level degree or equivalent experience
* Advanced Palo Alto / Prisma Firewall management experience & certification - Must
* Advanced Microsoft Azure / Office 365 management experience & certification
* Experience planning, deploying, and maintaining Microsoft Suite technologies
If you're an experienced IT Systems Engineer looking to work in a dynamic, innovative SaaS environment — we'd love to hear from you