Staff Software Engineer

Warner Media, LLC.; Stockholms kommun; On-site; SEK 559,179 - 838,769; Full time

Job summary

Warner Media, LLC. is looking for a Staff Software Engineer to join its DTC Operational Engineering group in Sweden. In this role, you will manage a large fleet of Kubernetes clusters, focusing on upgrades, security, and performance optimization.

Successful candidates will have over 8 years of experience in software development or infrastructure management, including Kubernetes and AWS. We value collaboration, innovation, and a strong sense of ownership in project executions.

Qualifications

• 8+ years of software development or infrastructure management experience.
• 5+ years of Kubernetes and AWS experience.
• Experience in architecture design and developing platform solutions.
• Mentoring abilities for senior engineers.

Responsibilities

• Operate and manage Kubernetes clusters, including upgrades and security patching.
• Identify automation opportunities to reduce toil.
• Collaborate with platform teams and improve reliability and efficiency.

Skills

Software development

Kubernetes

AWS

Automation in Python, Bash or Go

Terraform

CI/CD pipelines (Jenkins, GitHub Actions)

Git and GitHub PR workflows

Agile methodologies

Job description

Staff Software Engineer – Cluster Engineering

We are hiring a Staff Software Engineer within the DTC Operational Engineering group with a focus on Cluster Engineering. The team provides a secure, efficient and easy‑to‑use container runtime platform and builds automation for expanding it to new markets, tenants and geographical regions, bootstrapping a fully featured container runtime ready for back‑end development teams to use.

The role involves operating a large fleet of Kubernetes clusters, including version upgrades, security patching, cost optimization, scaling, and performance tuning. You will identify automation opportunities to reduce toil, lead cost‑optimization efforts, and define processes for creating new Kubernetes clusters and bootstrapping critical capabilities like service mesh, deployment systems and observability stack.

The position requires collaborating with other platform teams, managing lifecycle of critical platform components, working closely with SRE to improve reliability and efficiency, and driving enterprise‑wide automation for cluster lifecycle and cost control.

Preferred Skills

• At least 8 years of software development, infrastructure management or operations experience.
• At least 5 years of Kubernetes and AWS experience.
• Experience with architecture design and developing platform solutions.
• Ability to mentor senior engineers.
• Experience leading large technical projects with unclear requirements.
• Ability to drive decision making and cross‑team collaboration.
• Ability to write quality code for automation in Python, Bash or Go.
• Experience designing infrastructure CI/CD pipelines, e.g. Jenkins or GitHub Actions.
• Experience with IaC, preferably Terraform.
• Experience using Helm templating for k8s manifests.
• Understanding of how GitOps tooling like ArgoCD or Flux works.
• Experience rolling out infrastructure changes to production following a change‑management workflow.
• Knowing what metrics to monitor during a change rollout to identify problems.
• Strong ownership mentality during rollouts, with stop/rollback if problems occur or escalation to management/on‑call if getting stuck.
• Strong sense of security, always using least‑privilege access and firewall configurations when needed for maintenance.
• Understanding of how running workloads on the Kubernetes clusters may change with cluster changes or node rotations.
• Willingness to talk to service development teams and understand their challenges during maintenance windows.
• Ability to define and measure KPIs and honor SLAs for infrastructure maintenance.
• Experience with Git and GitHub PR workflows.
• Experience working with Agile – Sprints, Epics/Stories, Jira.
• Experience building internal developer platforms using technologies such as Backstage/Argo‑Workflows.

Championing Inclusion at WBD

Warner Bros. Discovery embraces the opportunity to build a workforce that reflects a wide array of perspectives, backgrounds and experiences. As an equal‑opportunity employer, we consider qualified candidates on the basis of merit, regardless of sex, gender identity, ethnicity, age, sexual orientation, religion or belief, marital status, pregnancy, parenthood, disability or any other category protected by law.

If you’re a qualified candidate with a disability and you require adjustments or accommodations during the job application and/or recruitment process, please visit our accessibility page for instructions to submit your request.