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Join us as an “Infrastructure Engineer- Network operations” at Barclays, where you'll spearhead the evolution of our digital landscape, driving innovation and excellence. You'll harness cutting-edge technology to revolutionise our digital offerings, ensuring unapparelled customer experiences. Purpose of the role: To build and maintain infrastructure platforms and products that support applications and data systems, using hardware, software, networks, and cloud computing platforms as required with the aim of ensuring that the infrastructure is reliable, scalable, and secure. Ensure the reliability, availability, and scalability of the systems, platforms, and technology through the application of software engineering techniques, automation, and best practices in incident response.
Job Responsibility:
Build Engineering: Development, delivery, and maintenance of high-quality infrastructure solutions to fulfil business requirements ensuring measurable reliability, performance, availability, and ease of use. Including the identification of the appropriate technologies and solutions to meet business, optimisation, and resourcing requirements
Incident Management: Monitoring of IT infrastructure and system performance to measure, identify, address, and resolve any potential issues, vulnerabilities, or outages. Use of data to drive down mean time to resolution
Automation: Development and implementation of automated tasks and processes to improve efficiency and reduce manual intervention, utilising software scripting/coding disciplines
Security: Implementation of a secure configuration and measures to protect infrastructure against cyber-attacks, vulnerabilities, and other security threats, including protection of hardware, software, and data from unauthorised access
Teamwork: Cross-functional collaboration with product managers, architects, and other engineers to define IT Infrastructure requirements, devise solutions, and ensure seamless integration and alignment with business objectives via a data driven approach
Learning: Stay informed of industry technology trends and innovations, and actively contribute to the organization's technology communities to foster a culture of technical excellence and growth
Requirements:
Strong network fundamentals and troubleshooting: Confident diagnosis across routing/switching, WAN, SD-WAN, wireless, and edge services
packet-level analysis
effective decision-making under pressure
Production operations and reliability: Incident and problem management execution, post-incident reviews, and implementation of controls to prevent recurrence
Change governance and risk: Ability to execute production change safely within regulated environments, with strong awareness of audit, risk, and control requirements
Automation and scripting: Practical experience using Python and/or Ansible (and related tooling) to automate operational tasks, reduce toil, validate configurations, and improve reliability at scale
Nice to have:
Reliability engineering and observability: Experience improving monitoring, alert quality, operational KPIs, and proactive issue prevention
Advanced automation and IaC: Exposure to CI/CD patterns for network change, configuration management, testing/validation, and infrastructure-as-code (e.g., Terraform) where applicable
Hybrid and cloud networking: Working knowledge of cloud connectivity and hybrid patterns (AWS/Azure), including operational troubleshooting across on-prem and cloud
Vendor and service integration: Experience working with vendor-delivered services under defined operational controls, knowledge transfer, and measurable outcomes
Operational excellence: Recognised escalation SME who drives sustained operational improvement through data, controls, and disciplined execution