We are seeking a Senior DevOps Engineer with 10+ years of hands-on experience designing, building, and operating end‑to‑end CI/CD platforms across hybrid environments (AWS and on‑premises). Proven expertise in automation, reliability engineering, progressive delivery, security‑by‑design, and platform standardization to enable high‑quality, low‑risk software delivery at scale. Location: 100% remote. Working hours are based on the US Central and Eastern Time Zone. About us: Abstra is a fast-growing, nearshore tech Talent services company, providing top Latin American tech talent to U.S. companies and beyond. Founded by U.S.-bred engineers with over 15 years of experience, Abstra specializes in sourcing skilled professionals across a wide range of technologies to meet our clients' needs, driving innovation and efficiency. Responsibilities: Design, implement, and operate a standardized CI/CD framework supporting all environments (Dev, QA, PartnerLab, Staging, and Production), with defined promotion workflows, enforced quality gates, artifact immutability, and parity across AWS and on-premises systems Implement progressive delivery strategies, including feature flags, canary deployments, and blue-green rollouts, with automated rollback capabilities and full release traceability from commit to production Integrate automated testing (unit, integration, regression, security, and performance) into CI/CD pipelines, enforcing quality gates at every promotion stage and supporting manual validation workflows with controlled access and observability Automate database schema versioning, migrations, rollbacks, and validation, including lower-environment refresh pipelines with data masking and PII anonymization for all non-production environments Define and enforce observability standards across logs, metrics, and traces, with service health dashboards, alerting, and deployment health signals integrated into release decisions and incident response workflows. Embed security scanning, secrets management, least-privilege IAM, credential rotation, and artifact integrity verification into pipelines, ensuring alignment with enterprise change management and audit requirements. Requirements: Experience with AWS (mandatory): ECS, EKS, Lambda, RDS, IAM, CloudFormation, and CloudWatch, hybrid infrastructure across on-premises VMs, bare-metal, and internal networking platforms, and Terraform for infrastructure provisioning. Experience with GitHub Enterprise, GitHub Actions, and CI/CD orchestration across hybrid AWS and on-premises environments, including artifact versioning and promotion strategies. Experience with Docker, Kubernetes (EKS and on-premises), Helm, and automated testing frameworks covering unit, integration, regression, and performance, alongside static and dynamic analysis tools and feature flag management platforms. Experience with Oracle and Microsoft SQL Server (mandatory), schema migration tooling, data masking, and anonymization. Experience with Prometheus, Splunk, New Relic, Grafana, CloudWatch, OpenTelemetry, ELK, and SLO-driven alerting tools such as Uptrends and PagerDuty. Experience with secrets management tools such as HashiCorp Vault or AWS Secrets Manager, secure pipeline design, and compliance-ready audit workflows. What We Offer: Flexible working hours and remote work options. Opportunities for professional growth and development. A collaborative and inclusive work environment. The chance to work on impactful projects with a talented team. Excellent compensation in USD. Hardware and software setup.