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Senior Network Security Engineer

Salary
€85K–€100K
EUR
Hiring from
Ireland
Work type
Hybrid
Posted
Sep 30, 2026
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Senior Network Engineer – Network Security

Permanent ¦ Hybrid ¦ Dublin

€85,000 - €100,000 + excellent benefits


TechHeads are working with a Enterprise level organisation who are looking for a experienced Senior Network Engineer to join a growing IT Security team in a highly technical role covering network security, firewall architecture and major infrastructure transformation projects.

This could be a particularly good opportunity for a Senior Network / Network Security Engineer who has already started taking on architecture and design responsibilities and wants to make that a bigger part of their role.


You should have a strong background in enterprise networking and network security, with at least 1 year of experience working at architecture or senior design level, including producing or contributing to HLDs/LLDs and making technical design recommendations.


Palo Alto experience is essential. We’re particularly interested in people who have worked hands-on with Palo Alto firewalls and have experience in areas such as Panorama, HA, firewall migrations, upgrades, lifecycle management and firewall sizing/model selection.


You’ll work across a large enterprise environment covering both on-premise infrastructure and Azure, helping shape secure network designs and supporting a significant programme of security and infrastructure investment.


The environment includes Palo Alto, Cisco, Aruba and Azure, with projects covering firewall refreshes and migrations, network segmentation, Zero Trust, LAN/WAN, wireless, VPN/remote access, cloud connectivity and wider security transformation.


You’ll be involved from initial requirements and architecture through HLD/LLD, technical decision-making, implementation oversight and handover, working closely with engineers, suppliers and senior stakeholders.


Key Responsibilities:

  • Own and maintain the integrated Managed Services / Operations delivery plan, including Microsoft Project / MPP.
  • Manage delivery across SIT, UAT, ORT, Pilot, Go-Live, Hypercare and BAU.
  • Coordinate multiple technical and operational workstreams, ensuring clear ownership, milestones, dependencies and deliverables.
  • Manage RAID, critical paths, resources, risks, issues and dependencies, driving actions through to closure.
  • Work closely with IT Operations, Infrastructure, Applications, Security, Service Management, Testing, suppliers and client stakeholders.
  • Ensure the service is fully operationally ready, including support models, monitoring, ITSM processes, documentation, training and escalation paths.
  • Manage service transition and the successful handover into BAU / OPEX Managed Services.
  • Provide clear and credible reporting to senior management, client governance and Board-level stakeholders.


Requirements:

  • Strong enterprise network engineering / network security experience
  • Deep Palo Alto firewall experience
  • At least 1 year working in network/security architecture or senior-level design
  • Experience producing HLD and LLD
  • Strong Cisco networking knowledge
  • Experience with firewall migrations, upgrades and lifecycle management
  • Good stakeholder communication and the ability to explain and defend technical recommendations
  • Azure networking/security and Aruba experience would be advantageous
  • PCNSE/PCNSA, CCNP/CCIE, CISSP or similar certifications would be beneficial
  • Candidate must currently be located in Ireland and hold an EU Passport or Stamp 4 Visa.


€85,000 - €100,000 + excellent benefits


If you would like to be considered for this position, please share a copy of your updated Cv to Sharon@techheads.ie

Due to the high volume of applications we receive, we are unfortunately unable to respond to every applicant individually. Rest assured that every application is carefully reviewed by our recruitment team, and a shortlist of candidates whose skills and experience closely match the role requirements will be contacted. We sincerely appreciate the time you've taken to apply and your interest in TechHeads positions. Thank you for your understanding


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