Enterprise DevSecOps Platform Engineer

Job Title: Enterprise Dev Sec Ops  Platform Engineer

Location: St. Louis, MO (On-site)

Employment Type: Contract (W2 through Zip Staff
- No C2C or 1099)

About the Opportunity:

Zip Staff is seeking an experienced Dev Sec Ops  Platform Engineer to join the enterprise Dev Sec Ops  platform team at a major regulated utility organization in St. Louis, MO.

This team owns the toolchain that supports the full software development lifecycle for 300+ developers
. The role has a dual mandate: become productive quickly on the current self-hosted AWS EKS toolchain and carry real operational load, while also contributing to consolidation and migration to a SaaS-based toolchain.

• Administer Cloud Bees CI on EKS and Git Hub Enterprise Server - lifecycle, upgrades, access governance, patching, and build troubleshooting.
• Operate Artifactory, Xray, and Sonar Qube; support integrations.
• Maintain and extend Terraform infrastructure through PR-based pipeline workflows.
• Manage Kubernetes workloads on EKS
  - Helm releases, storage, scaling, troubleshooting.
• Resolve production incidents across compute, storage, networking, identity, and certificates.
• Drive vulnerability remediation and patch cadence; produce runbooks and documentation.

• Build and operate Actions Runner Controller (ARC) self-hosted runners on EKS, including hardening and private VPC connectivity.
• Convert Jenkins shared-library pipelines to Git Hub Actions reusable workflows.
• Plan and execute phased repository migration waves, with validation and rollback.
• Configure enterprise identity, SSO/SCIM, and access governance in the target platform.
• Support developer onboarding and enablement; contribute to decommissioning plans.

• Bachelor's degree required.
• 7+ years in Dev Ops / Dev Sec Ops  / platform engineering.
• Hands-on administration of an enterprise CI platform (
  Jenkins / Cloud Bees preferred
  ) and pipeline development using shared/reusable libraries.
• Practical Git Hub Actions experience - workflows, reusable workflows, runners, secrets.
• Strong hands-on AWS (EKS, EC2, VPC, IAM, S3, Route 53, KMS, EFS) and production Kubernetes.
• Terraform at production scale - modules, state management, multi-environment, pipeline-driven plan/apply; plus Helm and Docker.
• Pipeline security tooling: SAST, SCA, SBOM, container scanning, quality gates.
• Non-negotiable systems fundamentals:
  • Linux administration and troubleshooting.
  • Networking (TCP/IP, DNS, routing, firewalls, load balancing, proxies, VPN/Transit Gateway, packet-level diagnostics).
  • Certificates and TLS (PKI, issuance/renewal, trust stores, mTLS).
  • Identity (LDAP, Azure AD / SAML / OIDC, SSO, SCIM, RBAC).
• Scripting in Python, Bash, and Groovy
  .
• Ability to work independently with broad ownership, strong documentation discipline, and participation in an on-call rotation.
• Ability to work on-site in St. Louis, MO
  .
• Must be legally authorized to work in the United States without sponsorship now or in the future.

• Prior GHES to Git Hub Enterprise Cloud / EMU migration or Jenkins to Git Hub Actions conversion at enterprise scale.
• Production experience with Git Hub Enterprise Importer (GEI) and Actions Runner Controller (ARC).
• Artifactory/Xray, Sonar Qube, or Atlassian Cloud migration experience.
• AWS certification (Dev Ops Engineer – Professional or Solutions Architect).
• Experience in a regulated enterprise with formal change management.

Zip Staff partners with leading organizations to connect skilled technology professionals with high-impact contract opportunities. We focus on quality matches and long-term success.