Senior Cloud Network Engineer - Active UK Government Security Clearance Required

United Kingdom·LondonFull-timesenior

OtherCloud Network Engineer

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Quick Summary

Overview

About Appvia Appvia is a specialist cloud, platform, and solutions engineering consultancy, helping organisations modernise infrastructure, improve reliability,

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OtherCloud Network Engineer

Appvia is a specialist cloud, platform, and solutions engineering consultancy, helping organisations modernise infrastructure, improve reliability, and adopt cloud-native practices that enable long-term, sustainable delivery.

Our engineering capability spans AWS, Azure, platform engineering, networking, software, data, AI, delivery, and managed services.

We work across complex, high-impact environments in both the public and private sector, delivering solutions where security, resilience, scalability, and operational excellence are critical.

About the Role

~1 min read

We’re hiring a Senior Cloud Network Engineer to join Appvia on a new secure public sector engagement, supporting and evolving critical network infrastructure across cloud and on-premises environments.

This is a senior, hands-on role combining live service and operational support with network design, technical change, automation, and continuous improvement. You’ll take ownership of more complex networking challenges, helping shape solutions from requirements and design through to implementation and ongoing operation.

We’re particularly interested in engineers who have developed strong AWS networking expertise alongside traditional enterprise networking skills. Longer term, Appvia will support you in continuing to develop across cloud and platform engineering as part of your progression within the business.

Discovery conversation with Talent Acquisition
Technical Interview with Engineering Team
Final Interview with Leadership

You must hold active UK Security Clearance (SC). NPPV3 clearance is highly desirable.

Requirements

~1 min read

You are an experienced Network Engineer with strong cloud networking knowledge, comfortable working across complex, highly available environments from design through to live operation.

You will bring:

Strong experience designing, implementing, and supporting enterprise network environments
Deep understanding of routing and switching, including BGP, OSPF, MPLS, VLANs, and VRFs
Strong Cisco networking experience, ideally including ACI / Nexus
Experience designing and operating cloud networking environments
Strong understanding of network security, firewalls, VPNs, and secure connectivity
Experience troubleshooting complex production networking issues and leading root-cause analysis
Infrastructure-as-code and network automation experience
Experience working in live service, operational, or managed-service environments
Confidence producing and reviewing network designs and technical documentation
Strong stakeholder communication and consulting skills
Active UK SC clearance

Responsibilities

~1 min read

→Design, implement, support, and improve secure network infrastructure across cloud and on-premises environments
→Own complex network incidents, troubleshooting, and root-cause analysis
→Lead planned network changes, upgrades, migrations, and optimisation activities
→Design and support routing, switching, firewalling, VPN, and load-balancing solutions
→Support resilient connectivity across hybrid cloud and data-centre environments
→Use automation and infrastructure-as-code to improve repeatability and operational efficiency
→Contribute to high-level and low-level network designs and technical documentation
→Monitor and improve network availability, performance, resilience, and security
→Identify opportunities to simplify legacy network solutions and reduce operational risk
→Work closely with engineering, service management, architecture, and customer teams
→Provide technical guidance and support to other engineers

Core technologies / experience:

AWS networking
Cisco networking
BGP / OSPF
MPLS
Cisco ACI / Nexus
Firewalls and network security
VPN / IPSec
Hybrid cloud networking
Load balancing
Infrastructure-as-code and automation
Enterprise networking in high-availability production environments

AWS networking experience could include:

VPC architecture and routing
Transit Gateway
Direct Connect
Route 53
Multi-account network architectures
Hybrid connectivity
Network security and segmentation
Load balancing
Cloud network monitoring and troubleshooting

Nice to have:

AWS Certified Advanced Networking - Specialty
AWS Solutions Architect certifications
Azure networking - VNets, ExpressRoute, Azure Firewall
Terraform
Ansible
Python
Cisco SD-WAN / SDA
Netscaler / F5
VMware NSX
Check Point / Palo Alto
CCNP / CCIE or equivalent
NPPV3 clearance

What We Offer

~2 min read

We are a self-funded, London based startup; providing businesses with a fast and secure way to deploy containerised applications into the cloud.

We are on a mission to enable organisations to make cloud-based software delivery simple and efficient, whilst having the insights into costs, security and cadence. As a company that holds customers at the heart of everything we do, we are looking for candidates that want to make a real change to how Dev and Ops is working in the industry.

With us our customers, like the UK’s Home Office & Bank of England, are harnessing cloud-native technologies, limiting the challenges of infrastructure management and rapidly delivering digital products.

✓Learning budget of £1,000 a year

✓Your own MacBook Pro while you work at Appvia

✓Dog friendly office

✓Wear what makes you comfortable

✓Free snacks in the office

✓Regular team socials, board game nights, industry meetups and more!

✓Pool table & ping pong table

⚖️ Work-life balance

Flexible working with core hours of 10-4pm because we know life happens outside of work
Hybrid working - only one compulsory office day per month
25 days’ holiday a year, plus bank holidays
An additional day off for your birthday
Enhanced maternity and paternity to full pay
Workplace Nursery Benefit to help working parents

💚 For your well-being