Basic Information

Ref number


Last day to apply


Primary Location

Cork-Campus One

Additional Locations

Dublin - Point Village

Description and Requirements

We are looking for a Network Operations Senior Administrator to join our Global IT Team.

About the role

The Senior Network Operations Tier 3 Administrator is responsible for installation, maintenance, and support of network and communication infrastructure to ensure the operation of global networks in order to provide performance and availability for its users, such as staff, customers, and suppliers.


  • As a member of the global network operations projects team you are accountable for: enable, configuring, deploying, troubleshoot, and managing overall communication networks, ensuring the proper functioning of communications, acting as senior-level network team to other groups and regions, leading network project calls, fulfill and maintain security and confidentiality standards, implement preventive systems. 

  • Acts as Level 3 escalation on-site and on-call support within the internal IT Network Operations team for high severity issues, VIP service requests, in-progress projects, and vendors. 

  • Accountable to leading global sustainment operations projects and technology initiatives: ensures activities and milestones of the project delegated to them are achieved in a timely manner, the exercise of exemplary interactions to all internal and external counterparts. 

  • Comply with Change Management Process, to assist Network Managers on Change Management Technical Peer review. 

  • Provide Support to Global Security Audits acting as POC from Network Team within the Auditor Interviews and evidence asks. 

  • Accountable to maintain our Software Compliance Strategy (IOS/PANOS) up to date, based on: 

    • a) Infosec identified vulnerabilities, recommendations 

    • b)Vendors identified bugs, issues, patches

  • Collaborate with Engineering New Client Launches and new technology projects (tasks), enabling new business and features. 

  • Perform other project-related duties as requested by management, perform hardware and software maintenance on network devices/ services.


  • Schedule Flexibility (including On-Call Shift Rotation)

  • Availability for a full-time schedule covering Sunday - Thursday, 10-19

  • Availability for combined work from home & work from the office, depending on project needs


  • Problem-solving and decision-making skills.

  • Excellent communication and interpersonal skills

  • Ability to respond to External & Internal requests

  • Faster adaptation to technology changes  

  • Capacity Planning and Organization

  • Time and project management skills


  • English Proficiency B2: Written and verbal communication skills

  • Advanced Knowledge in Network Monitoring Tools such as Solarwinds (NPM, NCM, Netflow), PRTG, Netbrain Map creation, and real-time captures of network status  

  • Advanced in managing Data and Voice networking equipment, including installation, configuration, and maintenance

  • Advanced in OSPF and BGP dynamic routing protocols and PBRs

  • Advanced knowledge in MPLS and VRF

  • Basic knowledge in QoS

  • Advanced skills in generating and analyzing packet captures

  • Knowledge with Proxy Services

  • Advanced knowledge in UTMs, NGFW, IDS/IPS, Firewall services including VPN

  • Intermediate knowledge in Troubleshooting VoIP H 323 and SIP

  • Proficient in creating Low and High-level network diagrams

  • Proficient in using MS Office and Google Suite

  • Intermediate knowledge in managing WIFI Infrastructure (Cisco or  Meraki or equivalent)

Studies & Experience:

  • Bachelor in Systems, Computer Science or equivalent - Desirable

  • Network Certification Cisco CCNA, CCNP (mandatory), CCDA (desirable)

  • Palo Alto PCNSA (mandatory), PCNSE (desirable)

  • Meraki Wireless Certifications (desirable)

  • 3 years of network administrator or equivalent IT operations environment

We offer:
  • Stable job - permanent labor contracts
  • Monthly meal tickets
  • Public transportation and gym subscriptions reimbursement, after the trial period
  • Community projects – want to make the world a better place? We run CSR (Corporate Social Responsibility) events all year long
  • Private medical insurance coverage
  • Special discounts across a variety of Banks, Telecoms, Gym & Fitness centres and more

Required Language(s)