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Senior Platform Engineer (Contract)

Infojini Inc

St. Louis · On-site Contract Senior 4w ago

About the role

Team Structure

The Contractor will serve as a Senior Platform Engineer within an established team of:

  • 8 Platform Engineers
  • 1 Architect
  • 1 Technical Lead
  • 1 Scrum Master
  • 1 Product Owner

This role supports hundreds of application developers by:

  • Enhancing CI/CD pipelines
  • Performing security/CVE remediation
  • Maintaining hardened Docker images as critical platform product offerings

The team operates using Scrum methodology with 3-week sprints.

Scope of Work

Primary Responsibilities (70%)

CI/CD Pipeline Improvement

  • Enhance and optimize GitLab CI/CD pipelines across 15+ repositories
  • Maintain standardized pipeline templates for developer consumption
  • Improve pipeline reliability, performance, and cost-efficiency
  • Implement best practices for Maven and NPM build processes

Security & CVE Remediation

  • Execute CVE remediation using Trivy, Snyk, and AWS Inspector
  • Maintain security compliance standards (CIS benchmarks, DISA STIGs)
  • Coordinate remediation efforts with application teams
  • Document security patterns

Hardened Docker Image Management

  • Maintain and update base Docker images in ECR and Artifactory
  • Ensure images meet compliance standards
  • Implement image scanning and validation processes
  • Support application teams in base image adoption

Secondary Responsibilities (30%)

Infrastructure & Platform Services

  • Develop Terraform infrastructure-as-code modules
  • Manage AWS resources (EC2, ECS/EKS, ECR, Lambda, IAM, VPC, S3) using CLI and services
  • Support Oracle PL/SQL and PostgreSQL database operations

Technical Debt & Modernization

  • Convert existing test suite from Bash to TypeScript (priority initiative)
  • Refactor legacy platform components
  • Improve observability

Developer Enablement

  • Create and maintain internal documentation
  • Provide technical guidance to application developers
  • Participate in support channels

Required Technical Competencies

Core Technologies

  • AWS (CLI and Services)
  • GitLab CI/CD
  • Docker
  • Terraform
  • CVE remediation tools
  • Maven, NPM
  • TypeScript (strong proficiency)
  • PostgreSQL, Oracle PL/SQL
  • Git/GitLab
  • ECR, Artifactory
  • Security compliance frameworks (CIS, STIGs)

Experience

  • 5+ years of platform/infrastructure engineering
  • Experience supporting large-scale developer platforms
  • Strong DevSecOps practices
  • On-call and incident response experience
  • Excellent communication skills

Skills

AWSAWS CLIAWS InspectorArtifactoryBashCISDockerECRGitGitLabGitLab CI/CDIAMLambdaMavenNPMOracle PL/SQLPostgreSQLSnykTerraformTrivyTypeScriptVPC

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