Network Security Engineer (SOC) – 24/7 ISR, Hybrid Role

MBDA; Stevenage; On-site; GBP 43,000 - 58,000; Full time

Benefits offered by this job

Company bonus

Pension

Overtime

Flexi Leave

Enhanced parental leave

Facilities

Job summary

MBDA is seeking a Network Security Engineer to safeguard our network infrastructure as part of the 24x7 Internal Security Response team. You will design, implement and maintain security solutions, collaborating with cross-functional teams to apply secure changes and manage incidents.

The role requires strong knowledge of networking, firewalls, proxies and monitoring tools, with DV/SC clearance prerequisites and on-site, hybrid-working expectations in a busy 24/7 environment.

Qualifications

• Solid understanding of networking principles (TCP/IP, DNS, routing, switching, VLANS).
• Strong expertise in configuring, maintaining and troubleshooting firewalls (Cisco/Checkpoint/Palo Alto).
• Hands-on experience with next-gen firewalls and features like IPS/IDS, SSL decryption, DPI.
• Proven experience in secure proxy solutions (Bluecoat, F5) and content filtering policies.
• Knowledge of IPSec, SSL/TLS, VPNs and two-factor authentication.
• Understanding of DMZ and internal network security zones.
• Proficient in monitoring technologies e.g. PRTG, Nagios.

Responsibilities

• Design, implement and maintain robust security solutions for 24x7 ISR team.
• Triage and respond to security incidents and threats.
• Collaborate with cross-functional teams to apply changes securely.
• Optimize network security tools and standardise network tooling.
• Identify vulnerabilities and ensure compliance with best practices.

Skills

Networking principles

Firewall configuration

Next-gen firewall features

Secure proxy solutions

IPSec/SSL/TLS/VPN

Security monitoring

Tools

Cisco/Checkpoint/Palo Alto firewalls

Blue Coat & F5 proxies

PRTG & Nagios monitoring

Job description

MBDA is seeking a Network Security Engineer to safeguard our network infrastructure as part of the 24x7 Internal Security Response team. You will design, implement and maintain security solutions, collaborating with cross-functional teams to apply secure changes and manage incidents.

The role requires strong knowledge of networking, firewalls, proxies and monitoring tools, with DV/SC clearance prerequisites and on-site, hybrid-working expectations in a busy 24/7 environment.