The Associate Engineer , Platform SRE will support, maintain, automate and continuously improve Microsoft Windows server and platform infrastructure across LSEG environments.

The role will focus on platform reliability, operational support, automation, monitoring, security and continuous improvement across on-premises, hybrid-cloud and public-cloud environments.

A key part of the role is applying ITIL/ITSM practices, improving operational processes and using PowerShell, Python and AI-enabled tools to reduce repetitive manual work, improve troubleshooting and increase operational efficiency.

Key Responsibilities:

Support and maintain Microsoft Windows Server platforms across production and non-production environments.

Provide Level 2 support and contribute to Level 3 troubleshooting for Windows platform incidents, infrastructure failures, deployments, upgrades and migrations.

Investigate incidents, perform root-cause analysis and work toward permanent remediation rather than repeated manual fixes.

Support and troubleshoot Windows technologies including Active Directory, Group Policy, DNS, Windows Update, SCCM/MECM, RDS and related services.

Perform operating-system patching, security updates and compliance activities using enterprise tools enterprise HCL BigFix and SCCM/MECM.

Support vulnerability remediation and security operations using technologies such as Qualys and CrowdStrike.

Monitor infrastructure health, availability, performance and alerts using enterprise monitoring and event-management tools.

Develop and maintain PowerShell and Python automation for operational tasks, health checks, remediation, patching, reporting and platform lifecycle activities.

Identify repetitive manual processes and convert them into reliable and reusable automated workflows.

Use GitLab, Git, CI/CD, Rundeck and orchestration tools to support infrastructure automation and controlled deployments.

Use AI-enabled tools to assist with troubleshooting, analysis, scripting, documentation and operational improvement, while following organisational security and governance standards.

⁠Use ServiceNow to manage incidents, problems, changes, requests and operational activities

Support VMware, Hyper-V and physical server infrastructure.

Support Microsoft Azure, Azure Arc and AWS-hosted Windows infrastructure.

Support backup, recovery and file-transfer services using technologies such as Rubrik and SFTP.

Maintain accurate technical documentation, operational runbooks and knowledge articles.

Participate in infrastructure lifecycle activities, upgrades, end-of-life migrations and cloud-migration initiatives.

Participate in shift, weekend and on-call support arrangements where required.

Essential Qualifications & Experience:

Bachelor’s degree in Computer Science, Information Technology, Engineering or a related technical discipline is required.

Minimum of 1 year of relevant professional experience in Windows Server administration, infrastructure support, platform engineering, Site Reliability Engineering, cloud operations or a similar technical environment.

Practical experience supporting Microsoft Windows Server infrastructure.

Good understanding of Active Directory, Group Policy, DNS and Windows operating-system administration.

Experience with ITIL/ITSM operational practices, particularly Incident, Problem and Change Management.

Experience with or exposure to ServiceNow or a similar ITSM platform.

Practical scripting or automation experience using PowerShell.

Exposure to Python or a strong interest in developing Python-based automation.

Good troubleshooting, analytical and problem-solving skills.

Ability to work effectively within a production-support environment.

Desirable Skills:

Microsoft SCCM/MECM and SCOM

HCL BigFix

VMware vSphere / Hyper-V

Microsoft Azure / Azure Arc / AWS

Git / GitLab / CI/CD

Rundeck / System Center Orchestrator

BigPanda / Datadog

CrowdStrike / Qualys

Rubrik

Microsoft Remote Desktop Services

AI-assisted engineering and automation tools

REST API and workflow automation

Microsoft Windows Server

Active Directory / Group Policy / DNS

PowerShell / Python

ServiceNow

SCCM / MECM / SCOM

HCL BigFix

GitLab / Git / CI/CD

Rundeck / System Center Orchestrator

Microsoft Azure / Azure Arc / AWS

VMware / Hyper-V

BigPanda / Datadog

CrowdStrike / Qualys

Rubrik

Remote Desktop Services

SFTP

AI-enabled engineering and automation tools

Automation & Continuous Improvement:

Automation is a core requirement of this role.

The successful candidate should demonstrate an automation-first mindset and actively look for opportunities to reduce manual effort, operational risk and repetitive support activities.

This includes:

Automating Windows administration and operational tasks.

Developing reusable PowerShell and Python scripts.

Automating health checks, diagnostics and remediation.

Improving patching and vulnerability-remediation workflows.

Using Git and CI/CD practices for automation code.

Integrating automation with ServiceNow and operational workflows where appropriate.

Using AI-enabled tools to accelerate analysis, troubleshooting, scripting and documentation.

Improving monitoring, alerting and operational visibility.

Reducing recurring incidents through root-cause remediation and automation.

Key Competencies:

Strong interest in infrastructure engineering, automation and Site Reliability Engineering.

Strong troubleshooting and analytical mindset.

Automation-first approach to operational work.

Understanding of ITIL/ITSM practices and disciplined operational processes.

Ability to take ownership of incidents and follow them through to resolution.

Ability to learn new technologies and engineering practices quickly.

Good written and verbal communication skills.

Ability to document technical activities clearly and accurately.

Ability to work independently while collaborating effectively within a team.

Strong attention to detail and ability to work under pressure.

Commitment to continuous improvement, reliability and operational excellence.

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.

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