Senior Network Engineer

Penta Consulting are a technology service provider and leading outsourced partner helping to deliver professional and managed solutions across EMEA.

We’re seeking a Senior Network Engineer to support and enhance our data‑centre network services in Dublin. This role suits someone who thrives in high‑availability environments and enjoys solving complex network challenges.

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• Support and optimise data‑centre network infrastructure.
  
• Monitor service levels, capacity and performance 24/7.
  
• Deliver network changes and projects on schedule.
  
• Work with architects and PMs to design and implement solutions.
  
• Build, deploy and document network configurations.
  
• Develop and test DR and failover plans.
  
• Ensure compliance with security and ITIL processes.
  
• Drive service improvements and automation initiatives.
  
• Provide technical consultation to customers and stakeholders.
  

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• CCNP (Routing & Switching or Security).
  
• Strong hands‑on experience with Cisco Nexus, Cisco ASA, ASR, F5 LTM/DNS.
  
• Expertise in routing, switching, firewalls, VPNs, load balancing, IDS/IPS.
  
• Solid ITIL experience in a 24x7 operations environment.
  
• Practical knowledge of OSPF, BGP, VRF, VPC, HSRP, NAT, ACLs, iRules, etc.
  
• Excellent communication and client‑facing skills.
  
• Experience with Nagios, Cacti, Puppet. xcfaprz
  
• Background in hosting, MSP or regulated environments.