eir business talent
Security Network Support Engineer
eir business talentIreland3 days ago
ContractRemote FriendlyInformation Technology
eir business talent are currently seeking applicants for a Network Security Engineer. This is a day rate contract position located with our client in Dublin 1. This is a hybrid role, requiring 3 days onsite per week. 

Join a leading public‑sector organisation with a complex, secure hybrid environment. You’ll be part of a small, highly capable team that owns networking as its core function and also runs security operations and vulnerability management. This is a hands‑on contract role focused on BAU stability, availability and security of critical network services.
 
Responsibilities:
  • Provide administration support across wired and wireless networks: switches, firewalls, network access controls and associated security components.
  • Troubleshoot L3 network issues, with a heavy emphasis on Fortinet FortiGate (firewall & proxy) in a multi‑vendor estate.
  • Monitor and triage security system alerts and suspicious activity; review daily logs and reports, investigate anomalies, and assist with remediation.
  • Manage and process network/security support tickets (Incident, Change & Problem).
  • Support a managed cloud tenancy and on‑prem communications infrastructure; assist with configuration management and documentation.
  • Contribute to vulnerability management activities and continuous hardening of the environment.
  • Collaborate closely with senior network engineers and security analysts; communicate clearly with stakeholders at all levels.
Tech Stack:
  • Networking: Cisco‑centric core (LAN/WAN/DMZ/VPN/DNS), Cisco switching & routing
  • Security:Fortinet FortiGate (priority), Check Point (perimeter—nice to have), web & email content filtering, IPS
  • Monitoring & SIEM: Vulnerability management tools; Microsoft Sentinel; Defender suite (advantage)

Responsibilities:
  • 5+ years’ experience in a network security administration role within a medium‑size environment.
  • Certification: Minimum CCNA (or equivalent). Certifications in recognised Network/Security disciplines are required; CCNP, Fortinet, or Check Point CCSA are distinct advantages.
  • Solid knowledge of LAN, WAN, DMZ, VPN, DNS and common protocols.
  • Demonstrable experience with network configuration management and network security solutions.
  • Experience with web/email content filtering, IPS, network security monitoring and vulnerability management tools.
  • Full professional proficiency in English.
  • Excellent communication skills, strong ownership and initiative — you’re comfortable working independently without hand‑holding.
Nice to have
  • Exposure to Microsoft Sentinel and the Microsoft Defender suite.
  • Prior experience supporting CISCO UC and transitions to Teams.
  • Experience working in small, high‑trust teams where clarity and pace matter.

For more information please apply here or contact Niall Moloney/ niall(dot)moloney(at)eirbusiness(dot)ie
 
Ref: EBT7815




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.
  
eir business talent, eir business and our clients are equal opportunity employers who seeks to recruit and appoint the best available person for a job regardless of marital / civil partnership status, sex (including pregnancy), age, religion, belief, race, nationality and ethnic or national origin, colour, sexual orientation or disability. eir business talent, eir business and our clients apply all relevant Data Protection laws when processing your Personal Data.
  
If you choose to apply to this opportunity and share your CV or other personal information with eir business talent, eir business and our clients, these details will be held by us in accordance with our privacy policy used by our recruitment team to contact you regarding this or other relevant opportunities at eir business talent and eir business.

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