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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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