Eir evo talent are currently inviting applications for a Network Security Engineer role. This is a 6-month contract position requiring 3–4 days per week. The role is based in Dublin and operates on a hybrid working model across a fortnightly schedule.
Role Overview
We are seeking a hands‑on Network Security Engineer to support network infrastructure modernization, segmentation, and operational stability. The role focuses on implementing secure architecture designs, deploying upgraded hardware, and ensuring reliable network performance in a production environment. This position is ideal for an engineer who is comfortable executing designs created by architects while also contributing technical insights and operational troubleshooting.
Key Responsibilities
Network Segmentation
Implement and maintain segmentation solutions using Cisco Systems ISE
Configure policies, authentication rules, and access controls
Support identity‑based network enforcement and monitoring
Network Deployment & Redesign
Configure and deploy network infrastructure based on architect designs
Review existing topology and assist with improvement initiatives
Support structured rollout of new network designs
Infrastructure Upgrades
Replace legacy switches with modern supported hardware
Perform firmware and software upgrades on network devices
Ensure minimal disruption during upgrades
Firewall Environment Support
Support rollout and integration of Cisco Firepower firewalls
Collaborate with external vendors implementing firewall changes
Assist with validation, configuration review, and testing
Network Management Platform
Assist deployment of Cisco Catalyst Center
Use platform for provisioning, monitoring, and troubleshooting
Support automation and centralized management adoption
Operational Tasks
Troubleshoot network connectivity and performance issues
Install, configure, and maintain routers and switches
Maintain network documentation and diagrams
Monitor network health and performance metrics
Wireless (Future Scope)
Assist with pilot Wi‑Fi implementation if required
Support configuration and troubleshooting of wireless infrastructure
Required Skills & Experience
Hands‑on experience with enterprise networking environments
Strong understanding of:
Routing & switching
VLANs and segmentation
Network security principles
Experience with Cisco network infrastructure
Ability to deploy network configurations from design documentation
Troubleshooting experience in production environments
Strong documentation and communication skills
Preferred / Nice to Have
Experience with Cisco ISE deployments
Exposure to Cisco Firepower firewall platforms
Experience implementing network upgrades or migrations
Familiarity with centralized network management platforms
Wireless networking experience
Contact & Application
For more information please apply here or contact Harleen Tora/harleen(dot)tora(at)eirevo(dot)ie. Ref:EET7865
Candidates must be eligible to work full time and long term in the location specified or currently hold a valid appropriate long term work Visa to apply.
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