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Staff Software Engineer (DevOps / Platform Engineering)

Liberate - Boston, MA, USA - Hybrid - posted 2026-10-09

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Salary: USD 180,000 - 250,000 / annual

Liberate builds AI agents to automate manual tasks across the $2.7T insurance industry, starting with voice automation and expanding into full workflow automation for sales, servicing, and claims. The company has raised $72M, including a $50M Series B in October 2025, backed by top-tier venture firms. You will own and evolve the infrastructure powering Liberate's real-time AI voice and workflow automation systems. This is a critical technical leadership role where you will inherit and advance a modern AWS-based platform spanning PBX telephony, canary routing, MTLS-based carrier integrations, secure production environments, CI/CD, and compliance posture. Key responsibilities include: **Infrastructure Architecture & Ownership**: Lead architecture and operation of core AWS infrastructure (PBX systems, EKS, networking, IAM, VPC design, environment isolation). Own and improve canary routing infrastructure for LLM REST APIs via Traefik and GitOps patterns. Maintain and optimize CI/CD flows including GitHub-based CodeBuild jobs, artifact pipelines, and environment promotion workflows. **Secure Integrations & Network Edge**: Manage and evolve MTLS proxy infrastructure for carrier system integrations. Own HAProxy-based proxy fleet, certificate lifecycle, root CA management, and IP-restricted ingress patterns. Ensure secure, audited access to production systems, tokens, and root-level accounts. **Operational Excellence**: Lead incident response, on-call rotations, and postmortems. Improve reliability metrics (SLA/SLO/SLI) for voice, agent runtime, and workflow systems. Maintain production infrastructure details including external service dependencies, version pinning, and update cadences. Partner with AWS Support on pricing optimization and resource utilization. **CI/CD, Tooling & Developer Experience**: Modernize developer workflows with streamlined builds, repeatable environments, and safe deployment strategies (blue/green, canary, feature flags). Build internal tools and abstractions to make engineers productive while enforcing safety, configuration hygiene, and compliance. **Compliance & Security**: Lead infrastructure components of SOC2, pen-testing, and Vanta-driven controls. Ensure auditability, traceability, secure credential storage, and alignment with enterprise customer expectations. **Cross-Functional Leadership**: Work with AI Platform, Forward Deployed Engineering, and Product teams to translate business goals into scalable infrastructure decisions. Mentor engineers across DevOps, platform, and backend areas. Help set engineering standards and raise operational maturity. **Requirements** - 8+ years of DevOps, SRE, or platform engineering experience operating production systems at scale - Deep hands-on AWS expertise (EKS, IAM, VPC, ALB/NLB, CloudWatch, KMS) - Strong experience with Kubernetes, container orchestration, and multi-environment management - Proficiency with Terraform or other IaC tools and GitOps workflows - High proficiency in Python, Go, or Typescript for tooling, automation, and internal platform services - Experience with Traefik, HAProxy, or similar load-balancing and routing systems - Familiarity with secure network architectures, MTLS, certificate hierarchies, and service-to-service authentication - Strong background managing CI/CD systems such as GitHub Actions and CodeBuild - Ability to lead incidents, design SLOs, and drive reliability across mission-critical systems - Excellent communication and leadership skills in distributed teams **Preferred Qualifications** - Experience with PBX or telephony systems in AWS, SIP routing, or real-time communication pipelines - Experience with voice agents, WebRTC, or low-latency streaming services - Prior work in regulated or enterprise environments where compliance is a first-class requirement - Experience scaling infrastructure in fast-growth startups - Contributions to open source, infrastructure design talks, or technical publications

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