DevOps & Application Services Manager

ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, handle risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity. LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG’s ticker symbol is LSEG. Our People: People are at the heart of what we do and drive the success of our business. Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and exciting experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential. We know that real personal growth cannot be achieved by simply climbing a career ladder – which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organization spanning 70 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with relevant careers. Role Profile: We are looking for an experienced DevOps & Application Services Manager to lead a St. Louis-based team supporting highly available, low-latency trading and market infrastructure services. You will combine people leadership, production ownership and engineering discipline to improve service resilience, deployment safety, observability and operational efficiency across on-premises and cloud environments. Working with global engineering, product, infrastructure, cyber, risk and business teams, you will ensure critical services are secure, reliable and ready to scale. What You will be Doing: Manage, coach and grow DevOps and application support engineers; set clear objectives, build capability, support succession planning and create an inclusive, accountable culture. Be accountable for availability, performance, capacity and recoverability of assigned trading and application services, using service-level objectives and operational metrics to drive outcomes. Lead incident, problem, change, release and event-management practices; coordinate major-incident response, stakeholder communications, root-cause analysis and corrective actions. Advance CI/CD, infrastructure as code, configuration management, automated testing, deployment controls and repeatable environment provisioning. Improve monitoring, alerting, logging, tracing, dashboards and automated remediation; reduce operational toil and recurring failure demand. Maintain disaster-recovery readiness, business-continuity controls, security compliance, vulnerability remediation, audit evidence and operational risk actions. Work with global product and engineering teams to ensure new services are supportable, production-ready and aligned with enterprise architecture and technology standards. Manage priorities, resources, technical debt, service improvements and dependencies; provide clear reporting on performance, risks, incidents and delivery commitments. Use data, retrospectives and industry practices to improve customer outcomes, platform resilience, team effectiveness and cost efficiency. What you will deliver: Stable, secure and resilient production services supporting time-sensitive financial markets. Measurable reductions in incidents, recovery time, manual effort and deployment risk. Consistent production-readiness, service-acceptance and operational-governance standards. Modern, reusable delivery patterns for applications and infrastructure across hybrid environments. Clear service ownership, actionable operational metrics and transparent risk reporting. A high-performing team with strong technical depth, customer focus and effective cross-regional collaboration. What You will Bring: Proven experience leading DevOps, Site Reliability Engineering, production engineering or application support teams in a complex, regulated or high-availability environment. Strong operational leadership across incident, problem, change, release, capacity, availability and continuity management. Hands-on understanding of Linux/Unix platforms, networking, databases, middleware, cloud services and distributed application architectures. Demonstrated delivery of CI/CD, infrastructure as code, configuration management, automated testing and secure software-delivery practices. Experience using observability and operational tooling to improve service health and reduce mean time to detect and recover. Ability to assess technical and operational risk, prioritise remediation and communicate clearly with senior technical and business stakeholders. Strong people-management skills, including hiring, coaching, performance management, workforce planning and development of diverse teams. Bachelor’s degree in Computer Science, Engineering, Information Technology or equivalent practical experience. Financial markets, trading-platform or market-infrastructure experience is preferred; strong candidates from other high-availability technology environments are also encouraged to apply. Relevant experience may include AWS, Linux/Unix, Kubernetes, Docker, Terraform, Ansible, Git-based source control, Jenkins or comparable CI/CD platforms, Python, Bash, PowerShell, Kafka, SQL/Oracle, Control-M, Datadog or similar observability platforms, Jira and Confluence. Depth in every listed technology is not required; we value sound engineering judgement, learning agility and the ability to lead specialists effectively. Acts with integrity, earns trust and follows through on commitments. Builds partnerships across teams, locations and disciplines. Sets a high bar for engineering and operational excellence. Embraces change, challenges constructively and turns ideas into measurable outcomes. Communicates calmly and decisively during high-pressure events. Creates clarity, enables ownership and develops others. What you should know about this role: This role is based in St. Louis and follows LSEG’s hybrid-working approach, with the team’s pattern agreed according to business and operational needs. Participation in an out-of-hours management escalation rota is expected. Planned weekend or evening support may be required for releases, resilience testing or major service events. The role works across US, UK, EMEA and Asia-Pacific time zones; occasional travel may be required. Career Stage: Manager 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.