As a senior cloud software engineer, you will design, deploy, and operate mission-critical commercial cloud infrastructure that is highly available, resilient, and scalable, with restrictions on some cloud-managed services. You will develop and maintain tooling infrastructure to build and support deployments to the cloud and on-prem. You will troubleshoot and remediate complex issues across Linux-based infrastructure. You will collaborate with software development teams to optimize containerized application deployments (RKE2). You will monitor and remediate security weaknesses and baseline regressions across infrastructure. You will serve as a subject matter expert for teams across Anduril looking to leverage Kubernetes and cloud infrastructure.

Required qualifications include a strong engineering background from industry or school with 3 - 7+ years of experience with Go, Python, Java, or other common object-oriented languages. You should have a solid understanding and practical experience with containerization technologies (Docker) and orchestration platforms (Kubernetes). You should have a strong understanding of networking concepts in a cloud environment (VPCs, subnets, routing, security groups). You should have excellent problem-solving, analytical, and critical thinking skills. You should have deep experience with architecting and securing cloud infrastructure in deployed/production environment. You should be highly proficient in multiple modern cloud providers (preferably GCP or AWS). You should have experience with Infrastructure-as-Code (preferably Terraform).

Preferred qualifications include working experience in DevOps, Security Engineering, and/or SRE roles. You should have strong Kubernetes experience. You should have extensive experience with SRE principles and practices in Kubernetes environments. You should have extensive experience across one or more managed Kubernetes offerings (Rancher, Anthos, etc.). You should have experience with hardening and monitoring Kubernetes clusters. You should have familiarity with monitoring and logging tools (e.g., Prometheus, Grafana, CloudWatch, Azure Monitor, Stackdriver). You should have experience with advanced cloud security principles and practices.

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This position is needed to help out the Edge Services team, which is responsible for the ingestion of Twilio's Web Console and API traffic, and its supporting services. As part of the Edge Platform organization, we provide building blocks for all Twilio customers and engineers alike, with high-availability and low-latency requirements, in order to effectively enable over billions of inbound requests every day.

In this role, you'll:

• Lead the execution end-to-end: Design and lead the implementation of scalable, high-availability cloud infrastructure, moving beyond feature work to drive long-term platform strategy while championing Twilio's "progress over perfection" mindset to deliver continuous, high-impact shipments.

• Operational Excellence: Own the reliability of services handling billions of weekly requests, setting the standard for operational best practices and incident response.

• Infrastructure Strategy: Drive the evolution of our Infrastructure as Code (IaC) patterns using Terraform, ensuring modularity, security, and reusability across the organization. Always aim for a self-service approach such that it keeps the team's TOIL at minimum.

• Continuous optimization: Continuously looks for optimizations in our pipelines/releases/deliveries that balance rapid deployment with rigorous safety checks.

• Technical Mentorship and Reviews: Actively mentor L1 and L2 engineers as well as help with code reviews, design docs, and pair programming to foster a culture of technical excellence.

• Cross-Functional Influence: Collaborate with Cross teams, Product and Engineering leadership to align technical roadmap, debt reduction and new feature deliveries.

• Continuous Innovation: Be an owner and continuously research and prototype to optimise Twilio's API infrastructure to provide best in class service to the customers

Qualifications:

• 5+ years of professional experience in Cloud, DevOps, or Site Reliability Engineering (SRE), with deep proficiency in Python, Java, Go or another other language of choice.

• Architectural Depth: Proven track record of designing and deploying complex AWS cloud-native solutions (e.g., CloudFront, Multitenancies, DNS, Caching strategies, WAF, Lambda, S3, developing hosting solutions, etc) at scale.

• IaC Expert: Advanced experience with Terraform, including writing custom providers or managing state at scale across multiple environments.

• System Reliability: Deep understanding of SLIs, SLOs, Golden signals, Error Budgets and establishing monitoring strategies; in depth experience using Datadog, Grafana, or Athena to drive data-informed engineering decisions.

• Strong background in microservices architecture, specifically regarding traffic routing, rate limiting, and service discovery.

• Demonstrated ability to lead technical projects from conception to completion, navigating trade-offs and communicating complex technical concepts to non-technical stakeholders.

Desired:

• Experience implementing security-at-scale, including WAF management, DDoS mitigation, and Zero Trust architectures.

• Platform Engineering previous experience, passion for building "Internal Developer Platforms" that abstract infrastructure complexity for product teams.

• A proven track record of contributing to the cloud-native or networking ecosystem, also has contributions to public Terraform providers or similar open-source initiatives

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