Senior Network Reliability Engineer

Domestic & General; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Discretionary bonus

Life assurance

Health plan

Company pension scheme

Car leasing

Cycle to Work

Employee Assistance Programme

Protection plan

Job summary

Domestic & General is seeking a Senior Network Reliability Engineer to own the reliability, performance and security of our hybrid enterprise network estate, spanning Azure, on-site offices and remote access.

This hands-on role reports to the Networking team and focuses on automation with IaC, incident resolution, and collaboration with Cloud and Security teams to deliver resilient, scalable solutions.

Qualifications

• Extensive experience in Azure networking and hybrid connectivity.
• Strong understanding of network security, Zero Trust and segmentation.
• Proven ability to design, implement and operate enterprise network services.

Responsibilities

• Own the reliability, performance and availability of Azure and hybrid network services.
• Act as the senior escalation point for major incidents and complex issues.
• Design and enhance Azure networking, connectivity and security solutions.
• Drive automation and observability, IaC and modernisation initiatives.

Skills

Azure networking

Hybrid connectivity

F5 BIG-IP

Zscaler

Terraform

Security and Zero Trust

Tools

F5 BIG-IP

Cisco ASA

Check Point

Zscaler

Bicep

Terraform

Ansible

Job description

Senior Network Reliability Engineer

Permanent Position

Hybrid Role from our Wimbledon Office with On Call Work

Domestic & General is growing fast across 12 countries, protecting the appliances that keep households running and cutting waste by extending product life. Recognised by Great Place to Work and the Inclusive Employers Standard, we're building a modern, technology lead business and we're looking for a Senior Network Reliability Engineer to drive the performance, reliability and security of our hybrid, enterprise network estate.

About the Role

This is a hands-on senior engineering position with responsibility for the performance, reliability and security of our hybrid network environment across Azure, security, remote access, load balancing and branch connectivity.

You'll lead the resolution of complex network challenges, drive automation and observability, and support our ongoing transition to a more Azure-native architecture.

Key responsibilities:

• Own the reliability, performance and availability of Azure and hybrid network services.
• Act as the senior escalation point for major incidents and complex technical issues.
• Design and enhance Azure networking, connectivity and security solutions.
• Support and optimise technologies including F5 BIG-IP, Cisco ASA, Check Point, Zscaler and SD-WAN.
• Drive network modernisation, simplification and automation initiatives.
• Implement monitoring, Infrastructure as Code and operational best practices.
• Partner with Cloud, Security and Engineering teams to deliver resilient, scalable solutions.

About You

You'll be an experienced network engineer who thrives on solving complex problems, taking ownership and delivering secure, reliable services at scale.

We're looking for someone with experience in:

• Azure networking and hybrid connectivity.
• Enterprise networking, including routing, switching, BGP, OSPF, DNS and VPNs.
• F5 BIG-IP, Cisco ASA, Check Point and Zscaler.
• Network security, segmentation and Zero Trust principles.
• Monitoring, troubleshooting and performance optimisation.
• Automation and Infrastructure as Code using Terraform, Bicep, Ansible or scripting.
• Supporting production environments and leading incident resolution.

You’ll also:

• Lead by example while remaining hands-on technically.
• Take ownership from identification through to resolution.
• Build strong relationships through collaboration and technical credibility.
• Mentor and develop fellow engineers.
• Balance delivery pace with security, resilience and operational excellence.

We offer lots of great benefits! Some of which include:

• Competitive salary and annual discretionary bonus
• 25 days annual leave plus bank/public holidays, as well as an annual option to buy up to 5 additional days of annual leave
• Life assurance - employer funded cover of 4x basic salary
• Health cash plan - employer funded cover to enable you to claim money back on essential healthcare costs, including dental, optical, physiotherapy and many more. Cover also includes unlimited access to a 24/7 virtual GP service
• Attractive company pension scheme
• Car Leasing - access to a carbon neutral salary sacrifice car leasing scheme, with an all-inclusive monthly cost covering all charge, taxes, insurance, repairs and maintenance on a range of brand-new vehicles
• Cycle to Work - tax efficient bike and cycling equipment worth up to £1,000
• Employee Assistance Programme - specialist advice and support on issues such as finance, relationships, illness and family issues
• Free Domestic & General protection plan - one free plan each year with access to discounted rates of up to 50% on additional plans, including referrals for family and friends

Domestic & General are an equal opportunities employer which means we treat people fairly. We welcome applications from all suitably skilled persons regardless of their gender, age, race, disability, ethnic background, religion/belief, sexual orientation, gender reassignment or marital/family status.

Please note that we have a thorough referencing process, which includes criminal record, credit and reference checks.

At Domestic & General, we are proud of our 100-year legacy and excited about our future growth plans. We are expanding our horizons, entering new markets and territories internationally and we need your expertise to help us on the journey.