Job Opportunity
We are seeking an accomplished Senior Network and Cyber Security Expert for a day rate contract in Dublin 4. This is a hybrid role with an initial duration of six months, with the possibility of additional contract renewals.
Key Responsibilities:
* To modernize, secure, and standardize the organization's network infrastructure while supporting its digital transformation and shift toward a cloud-native environment.
* To strengthen and standardize the WAN, LAN, WLAN, remote access, and perimeter environments.
* To enhance resilience, visibility, access control, and incident readiness.
* To administer and optimize firewalls, segmentation, and network access controls.
* To manage and monitor network performance, security events, and device configurations.
* To lead vulnerability assessments, incident response, and change control processes.
* To collaborate with internal teams and third-party providers to ensure secure, reliable operations.
* To produce clear documentation, diagrams, and playbooks, and share knowledge with staff.
* To support Azure cloud connectivity and security as part of the organization's digital strategy.
Required Skills & Experience:
* A proven track record of managing multi-site WAN/LAN/WLAN environments.
* Strong technical expertise in network design, operations, and troubleshooting.
* A deep understanding of TCP/IP, DHCP, DNS, 1X, and RADIUS.
* Experience with Cisco routing & switching (IOS/NX-OS) and Cisco Meraki wireless.
* Proficiency in firewall administration, segmentation, and VPN configuration.
* Familiarity with VMware, Dell hardware, and Microsoft Azure (AD, VNets, security groups).
* Excellent communication and documentation skills.
* An analytical thinker and proactive problem solver.
Qualifications:
* A degree in a relevant IT discipline.
* Relevant certifications desirable.
* Hands-on competence and practical experience essential.