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Bertain Ndi Shei

@bertainndishei

Senior DevSecOps engineer embedding security into cloud and platform engineering.

United States
Message

What I'm looking for

I’m looking for a team that modernizes cloud platforms fast while making security automatic in CI/CD—policy-as-code, posture management, and observability. I want to own platform standards end-to-end and partner across engineering to prevent incidents.

I’m a Senior DevSecOps / DevOps engineer with 8+ years building and securing cloud infrastructure across AWS, AWS GovCloud (US), and OCI. I embed security into the SDLC with SonarQube SAST, Checkov IaC scanning, Trivy container scanning, and OPA policy enforcement integrated into Jenkins, GitHub Actions, and GitLab CI pipelines—so non-compliant changes don’t reach production.

I modernize platforms end-to-end, including migrating ~40 workloads from EC2 to EKS with GitOps (ArgoCD), cutting deployment time from ~45 minutes to under 10 minutes across dev, staging, and prod. I also own cloud security governance using Wiz CSPM/CWPP remediation, AWS Security Hub, GuardDuty, and Macie, and I standardize secure CI/CD pipeline patterns adopted by multiple engineering teams. I’m hands-on with Terraform module authoring, Kubernetes (EKS) hardening, GitOps delivery, and observability with Grafana, Prometheus, and OpenSearch—backed by mentoring, incident command experience, and an Active DoD Secret Clearance.

Experience

Work history, roles, and key accomplishments

ST
Current

Senior DevSecOps Engineer

Skyhigh Security (Trellix)

Jun 2024 - Present (1 year 11 months)

Owned the modernization of ~40 workloads from EC2 to EKS, cutting manual deployment time from ~45 minutes to under 10 minutes across dev, staging, and production. Authored CI/CD pipeline templates with embedded SonarQube SAST, Checkov IaC scanning, Trivy scanning, and OPA policy gates, adopted by ~8 engineering teams.

UG
Current

Motor Transport Operator

U.S. Army National Guard

Nov 2019 - Present (6 years 6 months)

Operated and maintained tactical wheeled vehicles in convoy operations, performing PMCS and coordinating logistics to ensure equipment readiness while holding an Active DoD Secret Clearance. Applied disciplined planning and communication under pressure to support unit mission requirements.

ST

DevSecOps Engineer

Skyhigh Security (Trellix)

Sep 2022 - Jun 2024 (1 year 9 months)

Architected AWS and OCI Infrastructure as Code with Terraform and CloudFormation, authoring ~15 reusable Terraform modules used as account-vending standards. Implemented GitOps delivery with ArgoCD, built secure CI/CD quality gates (SonarQube, Snyk, Trivy, Checkov), and reduced average Docker image size by roughly half using multi-stage and distroless builds.

EU

DevOps Engineer

ESL Federal Credit Union

Mar 2020 - Sep 2022 (2 years 6 months)

Built CI/CD pipelines with Jenkins, Git, Maven, and Docker for microservices in a regulated financial environment and automated infrastructure provisioning with Terraform, Chef, and Ansible to reduce drift. Integrated SonarQube and Checkov into CI/CD security and quality gates and implemented AWS security baselines (KMS encryption, MFA enforcement, IAM permission boundaries, AWS Config) supporting

QD

DevOps Engineer

Quest Diagnostics

Feb 2019 - Mar 2020 (1 year 1 month)

Implemented Jenkins- and Docker-based CI/CD for HIPAA-compliant healthcare applications, integrating Trivy to detect CVEs before production promotion. Automated secure infrastructure with Terraform and enforced HIPAA/SOC 2 and CIS Benchmark controls, monitoring health with CloudWatch and supporting incident response and post-incident analysis.

Education

Degrees, certifications, and relevant coursework

University of Buea logoUB

University of Buea

Bachelor of Science

Earned a Bachelor of Science degree in 2018.

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