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Confidential
Network Security LeadConfidential • Cork, Cork, Ireland
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Confidential

Network Security Lead

Confidential
  • IE
    Cork, Cork, Ireland
  • IE
    Cork, Cork, Ireland
Jetzt Bewerben

Über

eir business talent are seeking applications for a Network Security Lead, this is a permanent position located in Cork, the role is hybris with 2 days per week onsite This role can also be a day rate contract Requirements: Degree in Information Systems/IT or equivalent experience; 5+ years IT with 3+ years in network security/firewall engineering (design, build, run).
Scroll down to find an indepth overview of this job, and what is expected of candidates Make an application by clicking on the Apply button.
Deep hands-on with Palo Alto (PAN-OS, Panorama, App-ID, User-ID, URL/Threat profiles, decryption) and/or Check Point (R8x, SmartConsole/Smart-1, IPS, Identity Awareness).
Strong grasp of routing/NAT/VPN, HA clustering, BGP/ECMP, DNS, certificates/PKI, and identity-aware policy.
Experience operating in Azure and hybrid topologies; understanding of cloud networking controls (Azure Firewall, NSGs/ASGs).
Solid troubleshooting (packet capture, log correlation, path analysis) and SIEM integration (e.g., Microsoft Sentinel).
Familiarity with automation/IaC (API, Ansible/Terraform) and policy hygiene tooling (e.g., Expedition) is a plus.
Collaboration and communication skills to explain complex network security topics to technical and non-technical stakeholders; experience mentoring junior team members.
Provide day-to-day mentorship to junior analysts (design reviews, change walkthroughs, quality gates) while partnering with architects, project teams, and OT stakeholders (e.g., Claroty, DarkTrace) to respect safety/availability constraints.
Scope and oversee penetration tests/red-team exercises targeting network controls; ensure high-value findings and pragmatic fixes; manage retests to closure.
Participate in audits; provide accurate evidence of control design and effectiveness.
Administer and optimise next-gen firewall platforms (e.g., Palo Alto, Check Point) and related proxies/IDPS/PKI/authentication controls.
Ensure comprehensive logging to SIEM (e.g., Microsoft Sentinel) with high-fidelity alerts and runbooks/SOAR where appropriate.
Troubleshoot complex flows end-to-end (PCAP/Wireshark, session tables, threat logs, QoS, path MTU, asymmetric routing).
Maintain and test remote access VPN and site-to-site VPNs; govern posture checks and identity context.
Ensure regular, tested backups of firewall and network security device configurations; maintain documented restore procedures and participate in periodic recovery drills.
Plan, schedule, and execute timely patching and firmware updates for all firewall and network security appliances, in line with vendor and organisational SLAs.
Coordinate and execute vulnerability scans (e.g., Qualys TVM) for firewall and network security infrastructure; track, remediate, and report on vulnerabilities in collaboration with asset owners.
Continuously monitor firewall and network security health, resource utilisation (CPU, memory, throughput, session counts), and performance metrics; proactively address capacity or degradation issues.
Ref: EBT8070 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.
eirbusinesstalent, 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.
eirbusiness talent, eirbusiness and our clients apply all relevant Data Protection laws when processing your Personal Data. xyswxtq
If you choose to apply to this opportunity and share your CV or other personal information with eirbusiness talent, eirbusiness 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 eirbusiness talent and eirbusiness.
Skills: Security Sentinel Palo Alto
TPBN1_IJ
  • Cork, Cork, Ireland

Sprachkenntnisse

  • English
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