Senior Portal DevOps Leader

LSEG; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Healthcare

Retirement planning

Paid volunteering days

Wellbeing initiatives

Job summary

London Stock Exchange Group (LSEG) is seeking a Portal DevOps Lead to drive delivery, reliability and operational readiness for portal services. You will combine hands-on engineering with leadership in backlog refinement, user stories, release management and BAU handover across AWS, CI/CD tooling, Linux, and networking.

You will mentor engineers while actively contributing to implementation and troubleshooting, ensuring secure, scalable and observable portal platforms.

Qualifications

• Strong knowledge of identity management concepts, access control, authentication, authorisation, and secure user lifecycle management.
• Experience with authentication flows and federation standards, including SAML and OIDC.
• Hands-on experience with AWS services, including EC2, EKS, CloudFront, RDS, and AWS Transfer Family.
• Experience building, maintaining, and troubleshooting CI/CD pipelines using GitLab.
• Strong Linux administration, shell usage, troubleshooting, and operational support skills.
• Good understanding of networking fundamentals, including DNS, routing, firewalls, load balancing, certificates, TLS, and connectivity troubleshooting.
• Experience supporting cloud-hosted production services, including monitoring, alerting, incident response, and operational readiness.
• Ability to translate technical requirements into deliverable engineering tasks and support implementation through to release.

Responsibilities

• Lead backlog refinement and ensure work items are clearly defined and ready for delivery.
• Create and refine user stories, acceptance criteria, and technical tasks.
• Coordinate release management activities including planning, environment readiness, deployment, and rollback.
• Provide hands-on DevOps engineering across AWS, CI/CD, Linux, networking, and identity components.
• Ensure production readiness handover to BAU with documentation and escalation paths.
• Support incident investigation, problem management, and service improvement activities.

Skills

Identity management concepts

Authentication flows (SAML, OIDC)

AWS services (EC2, EKS, CloudFront, RD

Tools

GitLab

Job description

London Stock Exchange Group (LSEG) is seeking a Portal DevOps Lead to drive delivery, reliability and operational readiness for portal services. You will combine hands-on engineering with leadership in backlog refinement, user stories, release management and BAU handover across AWS, CI/CD tooling, Linux, and networking.

You will mentor engineers while actively contributing to implementation and troubleshooting, ensuring secure, scalable and observable portal platforms.