Senior DevOps and infrastructure engineer

A SaaS platform for remote monitoring and management of point-of-sale devices, about 100,000 agents. The backend is Windows-based and runs on AWS: .NET and legacy VB components with a large SQL Server database. The team is small, and this person would work directly with the lead developer. What they'll own Monthly patching, monitoring, alerting, and backup checks across the Windows server estate, with the focus on preventing outages, not just responding to them Building and maintaining a cost-controlled QA environment, including load testing that simulates production traffic CI/CD pipelines with automated deployment and rollback Infrastructure as code for new and existing resources Tracking and reducing AWS costs Gathering evidence for PCI compliance and security reviews Supporting larger infrastructure changes, such as a database migration and a move to a message queue

Desired Candidate Profile

Senior-level, hands-on production experience administering Windows Server (patching, IIS, file shares, Active Directory) SQL Server operations: backups, log management, performance, and high availability; experience with Amazon RDS a plus AWS: EC2, RDS, networking, IAM, CloudWatch, and Systems Manager Terraform or CloudFormation CI/CD for .NET applications, with any common tool PowerShell, plus Python or Bash Daily, practical use of AI coding tools such as Claude Code for scripting, infrastructure as code, and log analysis Nice to have RabbitMQ or Amazon MQ PostgreSQL or SQL Server migration experience Familiarity with legacy .NET, WebForms, or VB6 systems Load testing tools such as k6 or JMeter Experience in PCI DSS environments Working expectations Strong written and spoken English, and comfort owning problems end to end without close supervision Meaningful overlap with US business hours and participation in an on-call rotation