Network Reliability Engineer in City of London

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Domestic & General is a company with an ambitious future. We are expanding our horizons and entering new markets and we need your expertise to help make it happen. We are an international company that works with some of the world’s most respected and well‑known brands of domestic appliances and electronic consumer goods. These opportunities don’t come around often, so this really is a position not to be missed.

About The Role

Domestic & General is transforming from a traditional IT department into a modern, highly automated, product‑led, DevSecOps‑powered insurance business.

We are seeking a Senior Network Reliability Engineer with deep expertise in Azure networking, hybrid connectivity, and enterprise network resilience. This role will ensure the availability, performance, and security of our global network infrastructure, spanning cloud‑native, hybrid, and on‑premises environments.

The ideal candidate will design and implement scalable, secure, and automated network solutions, leveraging Infrastructure as Code (IaC), monitoring, and self‑healing practices. You will play a key role in modernising network operations, embedding automation, and ensuring compliance with regulatory and security standards.

Ensures network reliability and resilience, directly supporting D&G’s digital transformation.

Enables secure, performant connectivity across cloud and on‑premises platforms, underpinning customer‑facing services.

Drives automation and observability in network operations, reducing manual intervention and operational risk.

Key Responsibilities

• Design, implement, and maintain Azure and hybrid network infrastructure ensuring high availability, performance, and security.
• Automate network provisioning and configuration using Terraform, Bicep, and Ansible.
• Implement robust monitoring and alerting for network health, latency, and security events.
• Collaborate with Security teams to embed Zero Trust, segmentation, and compliance controls.
• Optimise network performance and cost, including ExpressRoute and bandwidth utilisation.
• Lead root cause analysis for network incidents and implement long‑term fixes.
• Contribute to disaster recovery and business continuity planning for network services.
• Stay current with emerging network technologies (SASE, SD‑WAN, cloud‑native firewalls).
• Document network designs, standards, and operational procedures.
• Act as a subject matter expert for network‑related escalations and architecture reviews.

Knowledge and Expertise

• Deep expertise in Azure networking (VNets, Private Link, Application Gateway, Front Door, Load Balancers, Firewall, NSGs/ASGs).
• Strong understanding of hybrid connectivity (ExpressRoute, VPN, SD‑WAN, MPLS).
• Proficiency in network automation and IaC (Terraform, Bicep, Ansible).
• Skilled in network monitoring and observability (Azure Monitor, Log Analytics, Grafana, Datadog).
• Knowledge of network security (Zero Trust, segmentation, DDoS protection, WAF).
• Experience in resilient design (HA, DR, failover, chaos testing for networks).

Benefits

• Competitive salary and annual discretionary bonus
• 25 days annual leave plus bank/public holidays, with an option to buy up to 5 additional days per year
• Training opportunities and clearly defined career progression
• Health cash plan – employer‑funded cover to claim money back on essential healthcare costs (dental, optical, physiotherapy, etc.) and unlimited access to a 24/7 virtual GP service
• Attractive company pension scheme
• Life assurance – employer‑funded cover of 4x basic salary
• Dedicated online benefit portal offering savings, lending, financial wellbeing and support services
• Salary finance – access to savings and borrowing through payroll
• Car leasing – carbon neutral salary‑sacrifice scheme with all‑inclusive monthly cost covering charge, taxes, insurance, repairs and maintenance on brand‑new vehicles
• Travel loans – interest‑free loans to spread the cost of annual travel tickets
• Cycle to Work – tax‑efficient bike and cycling equipment worth up to £1,000
• Health & Wellbeing – discounted gym membership, online virtual workout sessions, online culinary classes
• OnHand – B2B volunteer platform allowing individuals or groups to volunteer in Youth Mentoring, Food Poverty, Homelessness & Elderly help
• Employee Assistance Programme – specialist advice and support on finance, relationships, illness and family issues
• Free Domestic & General protection plan – one free plan each year with discounted rates up to 50% on additional plans, including referrals for family and friends

Equal Opportunity Employer

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

Reference Checks

Please note that we have a thorough referencing process, which includes criminal record 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.