Join us as a Network Firewall Services Infrastructure Engineer
- Join us and collaborate in building the best possible network security platforms for public and private cloud environments
- Improve our products as you apply automation to provide testing and a route to live
- This is your chance to share thought leadership and best practice across the bank, while you’re developing solutions
As a Network Firewall Infrastructure Engineer, you’ll take the lead on designing and supporting enterprise firewall and network security services that make all the difference to our customers, as well as our strategic targets. This is a fantastic opportunity to advance your career in a highly innovative and supportive environment.
You’ll collaborate with product owners to create roadmaps and manage the lifecycle of network security services, considering customer feedback, operational requirements, emerging threats and production issues. As you continue to manage the selection, implementation and maintenance of Fortinet technologies, you’ll ensure that our solutions comply with the bank’s requirements and responsibilities.
You’ll also:
- Design, deploy and maintain Fortinet security solutions including FortiGate (FGT), FortiManager (FMG) and FortiAnalyzer (FAZ)
- Manage firewall policies, NAT configurations, VPN services and security profiles across enterprise environments
- Identify new ways to solve security challenges and enhance platform performance using modern security tooling
- Provide operational support for firewall and network security-related incidents and service requests
- Contribute to Infrastructure as Code and automation initiatives for firewall provisioning, policy management and compliance controls
- Build awareness of security best practices, design patterns and automation capabilities across the bank
- Work with key stakeholders to ensure secure and resilient service delivery
- Support security audits, vulnerability remediation activities and regulatory compliance requirements
- Perform security policy reviews, rule-base optimisation and firewall lifecycle management
To thrive in this role, you'll have experience in network security engineering, firewall administration and automation scripting using technologies such as Python, Ansible or Shell scripting. You'll possess a strong understanding of network security principles, firewall architectures and enterprise operational processes. You’ll also have strong hands-on experience administering and supporting FGT firewalls in large enterprise environments, along with experience managing FMG for centralised policy administration, device management and configuration compliance.
You’ll also need experience using FAZ for logging, reporting, security analytics and operational troubleshooting, along with knowledge of Fortinet Security Fabric architecture and integrated security solutions and experience configuring and supporting IPSEC VPNs, SSL VPNs, SD-WAN and dynamic routing protocols including BGP and OSPF.
We’ll expect you to bring a good understanding of Agile working practices and toolsets, with the ability to create the vision and roadmap for security platforms and services. Relevant Fortinet certifications such as NSE 4, NSE 5, NSE 7, FCSS or equivalent certifications would be advantageous
In addition, you’ll have:
- Experience implementing security policies, intrusion prevention, web filtering, application control and threat protection services
- Knowledge of network protocols including TCP/IP, DNS, DHCP and load balancing concepts
- Experience with firewall automation, Infrastructure as Code and configuration management tooling, and experience developing CI/CD pipelines and automated deployment processes for network and security infrastructure
- Experience using monitoring, observability and security analytics tools to continuously improve services
- Understanding of cloud networking and security principles across AWS and hybrid cloud environments and strong troubleshooting, analytical and problem-solving skills
- Experience supporting highly available and resilient network security platforms
- Strong collaborative and communication skills, with the ability to clearly articulate technical concepts to both technical and non-technical stakeholder
Hours
35Job Posting Closing Date:
18/08/2026Ways of Working:Remote FirstSkills Required
- Experience in network security engineering and firewall administration
- Hands-on experience administering FortiGate (FGT) firewalls in large enterprise environments
- Experience managing FortiManager (FMG) for centralized policy administration and device management
- Experience using FortiAnalyzer (FAZ) for logging, reporting and security analytics
- Knowledge of Fortinet Security Fabric architecture and integrated security solutions
- Experience configuring and supporting IPSEC VPNs, SSL VPNs, SD-WAN
- Experience with dynamic routing protocols including BGP and OSPF
- Automation scripting experience using Python, Ansible or Shell scripting
- Experience with Infrastructure as Code, configuration management tooling and CI/CD pipelines for network/security infrastructure
- Experience implementing security policies: intrusion prevention, web filtering, application control and threat protection
- Knowledge of network protocols including TCP/IP, DNS and DHCP and load balancing concepts
- Experience using monitoring, observability and security analytics tools
- Understanding of cloud networking and security principles across AWS and hybrid cloud environments
- Experience supporting highly available and resilient network security platforms
- Strong collaborative and communication skills; ability to present to technical and non-technical stakeholders
- Relevant Fortinet certifications such as NSE 4, NSE 5, NSE 7, FCSS or equivalent
NatWest Group Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about NatWest Group and has not been reviewed or approved by NatWest Group.
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Flexible Benefits — A flexible ValueAccount structure with pension and benefit funding allows tailoring of health, protection, lifestyle, and savings options, with unused amounts typically paid as cash. This flexibility supports personalisation of coverage, particularly in Great Britain where the framework is most detailed.
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Retirement Support — Employer-funded pension contributions are provided on top of salary in Great Britain, alongside automatic retirement enrollment and share/save programs. This creates structured long‑term wealth support as part of total reward.
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Parental & Family Support — UK policies outline extended maternity, adoption and equal partner leave on full pay with a phased return, plus paid neonatal care leave. These provisions are positioned as market‑leading and complement broader flexibility resources.
NatWest Group Insights
What We Do
We’re a business that understands when our customers and people succeed, our communities succeed, and our economy thrives. As part of our purpose, we’re looking at how we can drive change for our communities in enterprise, learning and climate. As one of the leading supporters of UK business, we’re prioritising enterprise as a force of change. We’re focusing on the people and communities who have traditionally faced the highest barriers to entry and figuring out ways to remove these. Learning is also key to our continued growth as a company in an ever changing and increasingly digital world. By setting a dynamic and leading learning culture, our people prosper, and our customers are given the tools to continue to improve their financial capability and confidence. One of the biggest challenges we all face in our future is climate change. That’s why we’ve put it right at the core of our purpose. We want to champion climate solutions with financing and entrepreneurial support, fully embed climate into our culture and decision making, and be climate positive by 2025. We’re committed to using our purpose to break down barriers, drive change and ultimately create a great place to work.
