Network Security Specialist

3 days ago


Dublin, Dublin City, Ireland EirGrid plc Full time

EirGrid Group plays a leading role in the radical transformation of our power system in support of the transition to renewable energy. We require pioneering engineering efforts, along with highly secure IT capabilities, to effectively respond to the scale of disruption.

Principal Network Security Engineer

This position offers a unique chance to enhance your career in cybersecurity while contributing significantly to protecting critical national infrastructure.

As an IT-intensive business operating 24/7 with state-of-the-art systems, our future has never appeared more promising. If you share this enthusiasm, consider joining us.

The Role

This Principal Network Security Engineer role falls under our established Enterprise Security team, assisting in developing and implementing IT security solutions across various technical platforms, data networks, and security domains. These solutions form the backbone of the organisation's corporate, market, and power system operational functions.

  • Implement secure network infrastructures in line with organisational security policies and business objectives.
  • Examine and recommend new network security technologies and solutions.
  • Configure and oversee the operation of next-generation firewalls, IDS/IPS, NAC, and VPNs.
  • Ensure secure connections between on-premises, cloud, and hybrid environments.
  • Support and refine multiple security or network operational solutions facilitating data collection, system monitoring, threat detection, vulnerability management, and network infrastructure management.
  • Maintain comprehensive documentation for network security designs, configurations, and procedures.
  • Lead incident responses from a Tier 1 Security Operations Centre, conducting advanced analysis and remediation, and collaborating with internal stakeholders and security partners.
  • Promote operational efficiency through documentation and procedure refinement.
  • Oversee micro-segmentation initiatives.
  • Operate and manage WAF technologies.
  • Aid the 'Blue Team' in incident responses and attack simulations.


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