Senior DevOps Engineer (Azure)

Title: Senior DevOps Engineer (Azure)

Position Overview:

The Senior DevOps Engineer (Azure) is a senior technical contributor responsible for designing, implementing, and optimizing cloud infrastructure, CI/CD pipelines, automation frameworks, and operational processes across the organization. This role serves as a subject matter expert for Azure DevOps practices, provides technical leadership to the engineering team, and partners closely with Development, QA, Architecture, and Delivery teams to ensure reliable, secure, and efficient software delivery.

The Senior Engineer works under the guidance of the Azure DevOps Team Lead and plays a key role in driving automation, cloud modernization, platform reliability, security, and continuous improvement initiatives.

Key Responsibilities:

CI/CD Engineering & Automation

• Design, implement, and maintain CI/CD pipelines using Gitlab, Azure DevOps, and related tooling.
• Automate build, test, deployment, and release management processes.
• Improve deployment reliability, speed, traceability, and consistency across environments.
• Implement pipeline standards, reusable templates, and deployment best practices.

Cloud Infrastructure , Networking & Platform Engineering

• Build, configure, and maintain Azure cloud infrastructure using Infrastructure-as-Code principles.
• Develop and maintain Terraform, Bicep, or ARM templates for automated provisioning.
• Support Azure services including App Services, AKS, Functions, Storage Accounts, Key Vault, Networking, and Monitoring solutions.
• Ensure cloud environments are scalable, resilient, secure, and cost-effective.
• Design and configure secure ingress and egress solutions using NAT Gateway, Azure Firewall, Network Security Groups, Application Gateway, Web Application Firewall, and load-balancing services.
• Lead troubleshooting and root-cause analysis for complex network connectivity, routing, DNS, firewall, TLS, proxy, ingress, and application-access issues.
• Drive improvements in cloud scalability, availability, security, observability, governance, and cost optimization.

Containerization & Kubernetes

• Design and support containerized workloads using Docker and Kubernetes.
• Implement and maintain Azure Kubernetes Service (AKS) environments.
• Improve container deployment, scaling, monitoring, and operational reliability.
• Develop deployment patterns and operational standards for container-based applications.

Operational Excellence & Reliability

• Monitor production and non-production environments and proactively address operational issues.
• Participate in incident response, root cause analysis, and remediation planning.
• Implement observability solutions using Azure Monitor, Application Insights, Log Analytics, and related tools.
• Drive platform stability, performance optimization, and system availability initiatives.

Security & Compliance

• Implement DevSecOps practices within deployment pipelines and cloud environments.
• Manage secrets, certificates, service principals, managed identities, and Key Vault integrations.
• Support vulnerability remediation, security scanning, and compliance requirements.
• Ensure infrastructure and deployment processes align with organizational security standards.

Technical Leadership & Mentorship

• Provide technical guidance and mentoring to DevOps Engineers and project teams.
• Review infrastructure designs, deployment approaches, and automation solutions.
• Promote engineering standards, best practices, and operational excellence.
• Contribute to architectural discussions and provide DevOps expertise during solution design.

Collaboration & Delivery Support

• Work closely with Development, QA, Product, and Delivery teams to support successful releases.
• Assist with release planning, deployment readiness, and environment strategy.
• Troubleshoot complex deployment and infrastructure issues.
• Collaborate with architects and platform teams to align solutions with enterprise standards.

Continuous Improvement & Innovation

• Identify opportunities to improve automation, reliability, scalability, and developer experience.
• Develop self-service capabilities and reusable DevOps solutions.
• Evaluate emerging Azure services, DevOps tools, and industry best practices.
• Contribute to platform modernization and cloud transformation initiatives.

Skills & Qualifications:

Required

• 5+ years of experience in DevOps, Cloud Engineering, Site Reliability Engineering, or Infrastructure Engineering.
• Strong hands-on experience with Azure services and cloud-native architectures.
• Expertise with Gitlab Pipelines, Azure DevOps, Git, and CI/CD best practices.
• Experience implementing Infrastructure-as-Code using Terraform, Bicep, or ARM templates.
• Strong experience with Docker, Kubernetes, and Azure Kubernetes Service (AKS).
• Strong knowledge of networking concepts, including TCP/IP, CIDR addressing, subnetting, DNS, routing, NAT, load balancing, network segmentation, virtual networks (VNets), network security groups (NSGs), private endpoints, and firewall technologies.
• Hands-on experience configuring Azure networking services, including Virtual Networks, subnets, Network Security Groups, route tables, VNet peering, NAT Gateway, private endpoints, and Private DNS.
• Experience configuring and managing Azure Firewall, Application Gateway, Web Application Firewall, Azure Load Balancer, and secure ingress and egress traffic flows.
• Proficiency in PowerShell, Bash, Python, or similar scripting languages.
• Experience with monitoring, logging, and observability solutions.
• Strong troubleshooting, problem-solving, and analytical skills.
• Excellent communication and collaboration skills.

Certifications Preferred

• Microsoft Certified: Azure Administrator Associate (AZ-104)
• Microsoft Certified: Azure DevOps Engineer Expert (AZ-400)
• Microsoft Certified: Azure Solutions Architect Expert (AZ-305)

Preferred

• Experience supporting enterprise-scale Azure environments.
• Experience implementing DevSecOps practices and security automation.
• Experience with platform engineering, self-service infrastructure, or internal developer platforms.
• Familiarity with Agile and Scrum delivery methodologies.

We are looking for intellectually curious people, passionate about the bigger picture of how technology industry is evolving, ready to ask difficult questions and deal with complicated scenarios! If you are creative and a problem solver, this is the place to be as will be supporting you to fast-forward your career!

We enhance each employee’s potential through personal development through a wide range of learning tools both formal and informal.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

Career Stage:

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.