Public Cloud Network Engineer

Barclays Bank Plc; Manchester; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading global bank is seeking a Public Cloud Network Engineer to enhance cloud networking services across AWS, Azure and GCP. You will design and implement secure, efficient infrastructures that ensure scalability and compliance within a highly regulated environment. The ideal applicant has strong networking knowledge, experience with security protocols, and familiarity with at least one cloud service platform. This position is vital to the bank's digital transformation goals and will be based out of their Knutsford campus.

Qualifications

• Strong networking background with expertise in TCP/IP stack, routing and switching.
• Proficient in security and compliance measures related to cloud systems.
• Demonstrated troubleshooting skills to support complex networking issues.

Responsibilities

• Design, implement, and optimize cloud networking services across AWS, Azure, and GCP.
• Develop high-quality infrastructure solutions meeting business requirements.
• Monitor IT infrastructure and system performance to identify potential issues.

Skills

Networking background – TCP/IP stack, routing, switching

Security and compliance expertise – Next Generation Firewalls, NAT, IPSec VPNs, cloud security controls

Strong troubleshooting skills across on-prem and clouds

Experience with AWS, Azure or GCP

Knowledge of Infrastructure as Code and DevOps concepts

Tools

AWS

Azure

Google Cloud Platform (GCP)

Job description

Public Cloud Network Engineer

As a Public Cloud Network Engineer, you will be responsible for designing, implementing and optimising cloud networking services across AWS, Azure and Google Cloud Platform (GCP). Your work will enable the bank to provide secure, innovative and dependable digital services to a global customer base. You will work at the intersection of cutting‑edge public cloud technologies and enterprise‑grade financial systems, ensuring connectivity, resilience and compliance in a highly regulated environment. This position is pivotal to the bank's digital transformation journey, supporting robust network infrastructure, regulatory adherence and the pursuit of operational excellence.

Key responsibilities

• Design, implement and optimise cloud networking services across AWS, Azure and GCP.


• Build and maintain infrastructure platforms and products that support applications and data systems, using hardware, software, networks and cloud computing platforms to ensure reliability, scalability and security.


• Ensure reliability, availability and scalability of systems, platforms and technology through application of software engineering techniques, automation and best practices in incident response.


• Develop, deliver and maintain high‑quality infrastructure solutions that fulfil business requirements, ensuring measurable reliability, performance, availability and ease of use.


• Monitor IT infrastructure and system performance to identify, address and resolve potential issues, vulnerabilities or outages, using data to drive down mean time to resolution.


• Develop and implement automated tasks and processes to improve efficiency and reduce manual intervention, utilising software scripting/coding disciplines.


• Implement secure configuration and measures to protect infrastructure against cyber‑attacks, vulnerabilities and other security threats.


• Collaborate cross‑functionally with product managers, architects and other engineers to define IT infrastructure requirements, devise solutions and ensure seamless integration and alignment with business objectives.


• Stay informed of industry technology trends and innovations, actively contributing to the organisation's technology communities to foster a culture of technical excellence and growth.

Required qualifications

• Strong networking background – TCP/IP stack, routing (specifically BGP), switching, load balancers and DNS.


• Security and compliance expertise – Next Generation Firewalls (NGFW), NAT, IPSec VPNs, and cloud‑specific security controls (e.g., security groups, NACLs, WAFs).


• Strong troubleshooting skills – capability to handle complex networking issues across on‑prem and multiple clouds.


• Experience with at least one of AWS, Azure or GCP.


• Knowledge of Infrastructure as Code and understanding of DevOps concepts.

Preferred qualifications

• AWS, Azure or GCP specific certifications.


• Experience in automated configuration of networking components.

Location

The role will be based out of our Knutsford campus.