Brownsville, Texas Senior Staff DevOps Engineer at Cognizant

Platform engineering · reliability · delivery

Zhanybek Mamataliev

Senior DevOps/SRE & MLOps Engineer

14+ years building cloud platforms, CI/CD systems, and Kubernetes operating models across AWS, Azure, and GCP.

~5,000 applications served through a zero-downtime Nexus migration
40% shorter deployment lead time across 50+ microservices
View experience Case studies Resume PDF

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Zhanybek Mamataliev

Senior DevOps/SRE & MLOps Engineer · Brownsville, TX.

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About me

Senior DevOps/SRE Engineer with 14+ years building cloud platforms, CI/CD systems, and Kubernetes operating models across AWS, Azure, and GCP.

Recent work includes a zero-downtime Nexus Repository and Nexus IQ migration for approximately 5,000 applications, CodePipeline and CodeBuild templates that reduced deployment lead time by 40%, and multi-cloud migrations for 20+ applications.

Selected outcomes

Education

MS, Computer Science — North American University, 2015 (3.98 / 4.0)
BS, Cybersecurity Science — TPA

Technical capabilities

Cloud platforms

Containers & orchestration

Docker · Kubernetes · OpenShift · EKS · AKS · GKE · Helm

Infrastructure as code

Terraform · AWS CloudFormation · Azure ARM · Ansible · Puppet · Chef

CI/CD & GitOps

Jenkins · Azure DevOps · GitLab CI · ArgoCD · Flux · Harness · GitHub Actions · CodePipeline/CodeBuild · Nexus Repository/IQ · UDeploy

Observability & security

Prometheus · Grafana · Datadog · ELK · Nagios · Splunk · Dynatrace · Trivy · Snyk · SonarQube · OPA Gatekeeper

MLOps

MLflow · Docker · ECR · Model Registry · Pipeline Orchestration

Languages

Python · Bash · HCL (Terraform) · YAML · JSON · SQL

Professional experience

Cognizant — Sr. Staff DevOps Engineer

Sep 2019 – Present · Remote

  • Zero-downtime Nexus migration to AWS serving ~5K apps
  • Built CodePipeline+CodeBuild templates with SonarQube & Nexus IQ gates for 50+ microservices → 40% faster deployments
  • Migrated 20+ apps from on-premise to hybrid AWS/Azure/GCP
  • Standardized Kubernetes delivery across EKS, GKE, AKS, on-prem with Helm, ArgoCD, RBAC, network policies
  • Designed secure VPC baselines (public/private subnets, NAT GW, bastion hosts, security groups)
  • Supported MLOps workloads with MLflow, Docker, ECR

EPAM Systems — Sr. DevOps Engineer

Nov 2018 – Sep 2019 · Remote

  • Kubernetes, Helm, Ansible, Terraform, CD pipelines

NDA Asset Management — Systems Engineer

Jul 2015 – Nov 2018 · On-site

  • Terraform, Ansible, Jenkins, Nagios, Datadog

INTERPOL — Systems Engineer

Apr 2012 – May 2015 · On-site

  • Security, RBAC, monitoring, compliance (I-24/7)

Case studies — measured impact

01 · Zero-downtime Nexus migration

Led the migration of Nexus Repository and Nexus IQ to AWS for approximately 5,000 dependent applications. Checksum validation and a rollback-ready cutover maintained 99.99% availability with no migration downtime.

02 · CI/CD pipeline automation

Built reusable AWS CodePipeline and CodeBuild templates with SonarQube and Nexus IQ gates for 50+ microservices, reducing deployment lead time by 40%.

03 · Multi-cloud migration factory

Migrated 20+ applications from on-premises environments to AWS, Azure, and GCP using consistent infrastructure-as-code and GitOps patterns.

04 · Enterprise Kubernetes platform

Standardized Kubernetes delivery across EKS, GKE, AKS, and on-premises clusters with Helm, ArgoCD, RBAC, network policies, and shared storage patterns.

Selected builds

Nexus Repository + IQ Firewall migration to AWS

Zero-downtime migration for ~5,000 applications with checksum-verified artifact integrity. Modernized internal production tooling: Nexus Repository, IQ Firewall, SonarQube, and release controls.

Agent Orchestration TUI — private build

Terminal cockpit for AI-assisted engineering workflows. Routes work across Claude (PM), Codex/OpenAI (coder), DeepSeek (reviewer). Repo-aware agent runs with live streaming, durable SQLite history, explicit patch review.

Python · Textual · LangGraph · SQLite · Langfuse

readtheplan (v0.3.0)

Terraform plan risk classifier: safe | review | dangerous | irreversible. CLI + GitHub Action with documentation site and browser playground. Policy-driven IaC review.

readtheplan.dev

Selected GitHub contributions

Status checked 22 Aug 2026. Links open the corresponding pull request.

Merged upstream

Open

Additional work and current activity: github.com/texasich

Certifications

Resume

Contact

For opportunities or technical collaboration, email is the most direct way to reach me.

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