Network and Security Engineer

Ocho
Belfast, United Kingdom
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English

Job location

Remote
Belfast, United Kingdom

Tech stack

Microsoft Active Directory
VoIP
CompTIA Network+
Computer Networks
Dynamic Host Configuration Protocol
DNS
Networking Hardware
Intrusion Detection Systems
Virtual Private Networks (VPN)
OSI Models
Network Security
Lightweight Directory Access Protocols (LDAP)
Nagios
Network Architecture
Network Intrusion Detection Systems
Routing
Network Service
Packet Analyzer
Public Key Infrastructure
Terminal Access Controller Access-Control System (TACACS)
TCP/IP
Virtual Local Area Networks
Wide Area Networks
Zabbix
Network Routers
Firewalls (Computer Science)
SolarWinds (Software)
Cisco networks

Job description

You will design, implement, and maintain network architecture across a global environment, ensuring reliability, performance, and security. This includes provisioning network equipment, managing firewalls and VPNs, monitoring performance, responding to incidents, and driving continuous improvements. You'll work closely with security teams, vendors, and telecom partners to deliver resilient, compliant network solutions., * Design and review network architecture aligned with organisational and regulatory requirements

  • Install, configure, and maintain routers, switches, firewalls, VPNs, LAN/WAN/SD-WAN
  • Perform troubleshooting, incident response, post-mortems, and capacity planning
  • Oversee network security operations (NAC, NIDS/NIPS, segmentation, access control)
  • Monitor network performance and ensure 24/7 global reliability
  • Maintain accurate documentation of configurations, topology, and incidents
  • Manage vendor relationships and support procurement of network equipment

Requirements

  • Strong understanding of networking fundamentals (TCP/IP, routing, switching, DNS, DHCP, VLANs, Layer 2/3, OSI model)
  • Experience with firewall configuration, VPNs, Zero Trust principles
  • Knowledge of telecom systems (VoIP, Avaya, voice/data networks)
  • Familiarity with monitoring tools (SolarWinds, Zabbix, Nagios, Meraki, etc.)
  • Understanding of IDS/IPS, packet analysis, SSL/TLS inspection, log correlation
  • Experience with NAC, RADIUS/TACACS+, PKI, AD/LDAP integration
  • Strong problem-solving and communication skills
  • Relevant certifications (Cisco, Aruba, Palo Alto, CompTIA Network+) are an advantage

Benefits & conditions

Our client offers a collaborative, high-trust environment with strong autonomy, meaningful influence, and recognition based on performance. You'll join a growing team where your expertise directly shapes a global technology landscape.

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