Senior Software Engineer (Cloud Infrastructure / Site Reliability Engineering (SRE)

Oscar Health; San Francisco (CA); On-site; USD 180,000 - 260,000; Full time

Job summary

Oscar Health seeks a Senior Software Engineer for Cloud Infrastructure / SRE to join the Engineering team in building a resilient, automated platform. You will own significant infrastructure components, guide cross-team projects, and mentor engineers to adopt best practices across DevOps, security, and reliability.

Reporting to Staff/Senior Staff Engineer, you will work with product managers and designers to solve hard problems, champion SLOs, and help scale our cloud-native stack using

Qualifications

• 6+ years of professional software engineering experience.
• Experience mentoring and training more junior engineers.
• Experience leading technical contributions and building fault-tolerant, scalable systems.
• Experience with cloud-native security and networking (IAM, VPC peering).
• Proficiency with SRE concepts like SLOs, error budgets, and incident management.

Responsibilities

• Lead planning, execution and release of complex projects across Core Technology.
• Mentor engineers and promote best practices.
• Own medium to large features or infrastructure projects from design to completion.
• Drive technical roadmap prioritization and coordinate with product teams.
• Develop and refine Service-Level Objectives (SLOs) for owned systems.
• Ensure compliant, secure and scalable cloud infrastructure on AWS/GCP.

Skills

DevOps

Site Reliability

Cross-functional leadership

Mentoring

Cloud architecture

CI/CD tooling

Kubernetes

Terraform

Prometheus

Grafana

GitHub Actions

Education

B.S. in Computer Science

Related technical field

Tools

Terraform

Kubernetes

ArgoCD

Istio

Prometheus

Grafana

GitHub Actions

Job description

• We’re hiring a Senior Software Engineer, Cloud Infrastructure / SRE to join our Engineering team
• Our Core Technology teams build and maintain the foundational platform upon which all Oscar engineering is built
• We are responsible for architecting a world-class, resilient ecosystem using a modern stack centered on AWS/GCP, Terraform, and Kubernetes with developer focused tooling and CI/CD
• Our mission is to provide an automated, self-service infrastructure that empowers our engineering organization to move fast without sacrificing security or stability
• You will report into a Staff/Senior Staff Engineer
• Become the expert on your team’s business and technical domains such as DevOps, site reliability, and cloud best practices
• Lead the planning, execution and release of complex technical projects across multiple teams outside of Core Technology
• Work with partners, product managers, and designers to solve challenging problems
• Lead and mentor engineers on the team to improve technology and apply best practices
• Independently responsible for large or complex technology capabilities (set of components or services) within their team’s domain or spanning multiple domains
• Facilitates, encourages, and enhances cross-team execution and collaboration; knows when cross-team projects are at risk and actively mitigates risk to deliver on time
• Prolific contributor to the objectives of their functional group, as well as organization-wide projects
• Drives prioritization of technical roadmap and influences prioritization of product roadmap and process enhancements within their team
• Actively identifies and reduces failure domains, designs and builds resilient systems, and strives to reduce adverse effects of an outage
• Builds software to minimize effort and business impact during maintenance and failures
• Guides the development of Service-Level Objectives (SLOs) for systems they are responsible for
• Own medium to large features or infrastructure projects from technical design through completion
• Compliance with all applicable laws and regulations
• Other duties as assigned

6+ years of professional software engineering experience, working with a variety of technologies, and have increasingly impactful accomplishmentsExperience as a major contributor cross-pod or cross-company deliverablesExperience mentoring and training more junior engineersDemonstrates expertise of the practical application of CS concepts within their teamExperience leading technical contributions, improving the quality of what your teams create, and are excited to build fault-tolerant, and scalable software systemsSets and enforces the standard for writing stable, correct, and maintainable codeEducation: B.S. in Computer Science, a related technical field, or equivalent high-level industry experienceProgramming: Understanding of at least one coding language that you are able to use to develop scripts and softwareSecurity & Networking: Knowledge of cloud-native security (IAM, VPC peering) and service mesh technologies like IstioObservability: Proficiency with monitoring using tools like Prometheus, Grafana, or similarCI/CD & Automation: Experience building robust deployment pipelines via GitHub ActionsSRE Discipline: Strong background in Site Reliability Engineering, including Service Level Objectives (SLOs), error budgets, and incident managementOrchestration & Delivery: Proven track record with Kubernetes and workflows using ArgoCDInfrastructure as Code: Advanced experience with Terraform or similar IaC tools to manage complex, multi-account structuresCloud Proficiency: Deep expertise in managing production environments within AWS or GCP at scale