Senior Platform Engineer

Role can be remote with limited travel to St. Louis, MO inlcuding the final round interview.

w2 only for this role.

Per client requirements candidate must be able to work without any type of immigration/visa support now or in the future.

Our client seeks a Senior Platform Engineer to enhance CI/CD pipelines, remediate security vulnerabilities, and maintain hardened Docker images that support hundreds of developers. The role will operate within a Scrum team and focus on GitLab pipeline optimization, container security, and compliance. The engineer will also contribute to Terraform modules, AWS services, and modernization efforts including a test suite conversion to TypeScript. On-call participation for incident response and platform support is required.

Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $90 to $100/hr. w2

Responsibilities

• Enhance and optimize GitLab CI/CD pipelines across 15+ repositories with standardized templates.
• Improve pipeline reliability, performance, and cost-efficiency, including Maven and NPM build best practices.
• Execute CVE remediation using Trivy, Snyk, and AWS Inspector following established processes.
• Maintain security compliance with CIS benchmarks and DISA STIGs for platform offerings.
• Coordinate remediation efforts with application teams and document security patterns.
• Maintain and update base Docker images in ECR and Artifactory to meet compliance standards.
• Implement image scanning and validation processes and support base image adoption.
• Develop Terraform infrastructure-as-code modules for platform services.
• Manage AWS resources via CLI and services including EC2, ECS/EKS, ECR, Lambda, IAM, VPC, and S3.
• Support PostgreSQL and Oracle PL/SQL database operations.
• Convert an existing test suite from Bash to TypeScript.
• Refactor legacy platform components and improve observability.
• Create and maintain internal documentation and provide developer guidance in support channels.
• Participate in on-call rotation for incident response, troubleshooting, and platform support.

Experience Requirements

• 5+ years in platform or infrastructure engineering.
• Proven experience supporting large-scale developer platforms.
• Strong proficiency with TypeScript.
• Hands-on expertise with AWS CLI and core services (EC2, ECS/EKS, ECR, Lambda, IAM, VPC, S3).
• Advanced GitLab CI/CD pipeline engineering and template standardization.
• Docker image management with ECR and Artifactory.
• Infrastructure-as-code with Terraform.
• CVE remediation using Trivy, Snyk, and AWS Inspector.
• Knowledge of security compliance frameworks including CIS benchmarks and DISA STIGs.
• Experience with Maven and NPM build processes.
• Proficiency with PostgreSQL and Oracle PL/SQL.
• Demonstrated DevSecOps practices and mindset.
• On-call and incident response experience.
• Effective communication skills in cross-functional environments.