Senior Systems Engineer I

We are seeking a Senior Systems Engineer to join our team. This role is responsible for designing, building, and operating secure, scalable, and highly available AWS infrastructure that enables multiple product engineering teams to deliver software reliably. The ideal candidate has strong expertise in Terraform, AWS, Git Hub Actions, ECS Fargate, and infrastructure automation, along with a practical operational mindset. You will partner closely with software engineers, troubleshoot production issues, improve developer experience, and continuously modernize our cloud platform while maintaining high standards for security, reliability, and operational excellence. RESPONSIBILITIES: Design, build, and maintain Infrastructure as Code using Terraform following modular, reusable, and scalable practices. Operate and support production AWS environments across multiple accounts and regions. Develop, maintain, and troubleshoot Git Hub Actions CI/CD pipelines supporting application and infrastructure deployments. Build and manage containerized workloads on Amazon ECS Fargate. Administer and support Amazon RDS Postgre SQL environments, ensuring availability, performance, backup, and recovery readiness. Design and maintain secure AWS networking and IAM architectures. Respond to production incidents, perform root cause analysis, and implement preventive improvements. Build automation using Bash, Python, AWS CLI, and related tooling to improve operational efficiency. Partner with multiple development teams to enable self-service infrastructure while reducing operational bottlenecks. Review infrastructure changes for operational risk, security impact, and deployment safety. Create and maintain technical documentation, operational runbooks, and disaster recovery procedures. Requirements: QUALIFICATIONS: Bachelor’s degree in computer science, Engineering, Information Technology, or an equivalent discipline. Typically 6-9 years of experience in Dev Ops, Cloud Engineering, or Systems Engineering. Proven experience operating and supporting production AWS environments in enterprise-scale organizations. Technical Skills: Must Have Advanced Terraform: Expertise in modules, providers, state management, lifecycle controls, drift detection, safe refactoring, and remote state (S3, locking, cross-stack dependencies). AWS Operations: Hands-on experience managing production, multi-account, multi-region AWS environments across ECS, RDS, ALB, VPC, IAM, Route53, ECR, S3, Lambda, Dynamo DB, SQS, Secrets Manager, KMS, and Cloud Watch. Git Hub Actions CI/CD: Experience building and troubleshooting reusable workflows, OIDC authentication, approval gates, runners, Terraform deployments, application deployments, and migration pipelines. ECS Fargate & Containers: Strong knowledge of Docker, ECR, ECS task definitions/services, IAM roles, health checks, autoscaling, ALB integration, and deployment rollbacks. RDS Postgre SQL: Experience with upgrades, Multi-AZ, parameter groups, backups/restores, RDS Proxy, performance tuning, and database migration coordination. AWS Networking & Security: Proficiency in VPCs, networking, ALBs, Route53, ACM/TLS, IAM, OIDC, Secrets Manager, KMS, and cloud security best practices. Incident Response & Observability: Skilled in troubleshooting using logs, metrics, alarms, deployment history, root cause analysis, rollback decisions, and operational runbooks. Linux & Automation: Strong Linux and Git fundamentals with Bash/Python scripting for AWS CLI automation, CI/CD, and operational tooling. Developer Enablement: Ability to support multiple engineering teams, troubleshoot across infrastructure and application layers, document solutions, and enable secure self-service practices. Should Have Ephemeral Environment Management: Experience creating and safely tearing down PR environments, including ECS services, databases, Terraform state, DNS, and test infrastructure. Observability: Familiarity with New Relic, Cloud Watch, Opsgenie, Datadog, synthetic monitoring, golden signals, and alert tuning. Container Security: Experience with JFrog Artifactory, Xray/Frogbot, Crowd Strike, Sonar Qube, dependency scanning, and vulnerability remediation. Disaster Recovery: Knowledge of AWS Backup, cross-account recovery, RDS restore testing, S3/KMS recovery considerations, and DR exercises. Application Stack Knowledge: Working familiarity with Node.js, Type Script, Java, .NET, Flyway, SQL migrations, Keycloak, and CI/CD pipeline troubleshooting. Infrastructure Modernization: Experience migrating legacy Terraform configurations, consolidating infrastructure, and coordinating cross-repository changes. Reliability & Capacity Management: Experience with ECS/RDS sizing, autoscaling, performance optimization, monitoring hygiene, and AWS cost optimization. Documentation & Change Management: Ability to review Terraform plans, assess deployment risks, define rollback procedures, and maintain operational documentation. Good to Have Healthcare Domain: Knowledge of FHIR, SMART on FHIR, clinical data services, or healthcare security standards. Identity & Access Management: Experience with Keycloak, OAuth2, and OIDC integrations. Terraform Integrations: Familiarity with New Relic and Opsgenie Terraform providers. Security & Compliance: Experience with Cloud Trail data events, compliance audits, and centralized logging. Cloud Migration: Experience with regional migrations, DNS consolidation, and certificate management. Kubernetes: Exposure to Kubernetes is a plus; primary runtime is ECS Fargate. Enterprise Environments: Experience working within enterprise SSO, networking, CI/CD runners, artifact repositories, and change-management processes. Work in a way that works for you: - We promote a healthy work/life balance across the organization. With an average length of service of 9 years, we are confident that we offer an appealing working prospect for our people. With numerous wellbeing initiatives, family leave and tuition reimbursement, we will help you meet your immediate responsibilities and long-term goals. Working flexible hours - flexing the times when you work in the day to help you fit everything in and work when you are the most productive. Working for you: - At Elsevier, we know that your wellbeing and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer: Group Health Insurance Policy (covering self and family) Group Life insurance/accident policy Generous long-service awards New Baby gift Subsidized food provided (applies to India- Chennai) Casual Leave, Sick Leave, Privilege Leave, Compassionate Leave, Special Sick Leave, Gazetted Public Holiday and Maternity/Paternity Leave Free Transport provided to and from the office (applies to India-Chennai) About Us: - A global leader in information and analytics, we help researchers and healthcare professionals advance science and improve health outcomes for the benefit of society. Building on our publishing heritage, we combine quality information and vast data sets with analytics to support visionary science and research, health education and interactive learning, as well as exceptional healthcare and clinical practice. At Elsevier, your work contributes to the world’s We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click here to access benefits specific to your location. We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120. Criminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants. Learn more about spotting and avoiding scams here. Please read our Candidate Privacy Policy. We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law. USA Job Seekers: EEO Know Your Rights. Elsevier is a global leader in advanced information and decision support for science and healthcare. We believe that by working together with the communities we serve, we can shape human progress to go further, happen faster, and benefit all. We support continuous discovery and uphold the highest standards of content integrity, reliability, and reproducibility so the communities we serve can advance their field of science, healthcare or innovation with confidence. By combining high-quality content with powerful analytics, we transform complexity into clarity and deliver mission-critical insights that help professionals make better decisions when it matters most. We deliver insights that help research institutions, governments, and funders achieve their goals. We help researchers discover and share knowledge, collaborate, and accelerate innovation. We help librarians provide verified, quality information to universities. We help innovators turn knowledge into new products. We help health professionals improve patient care and educators train the next generation of doctors and nurses. Connecting quality content and innovative technologies, we make progress go further and happen faster. And by championing inclusion and sustainability, we ensure progress benefits all. With 9,500 employees, over 2,300 technologists in 5 major tech hubs, and more than 60 locations across the globe, we are committed to supporting the scientific and healthcare communities around the world. We offer a diverse range of opportunities across technology, commercial, business, and early career jobs. If you are looking for a career that inspires progress in science, innovation and health, and allows you to grow every day, find your team at Elsevier. Elsevier is part of RELX Group. Let’s shape progress together. Join us. elsevier.com/about/careers