Spencer Rung

EXPERIENCE

DevOps Tech Lead

Booz Allen Hamilton 2022 - Present

Lead dedicated DevOps team on large-scale government contract, managing platform evolution from development to production
Architected layered CI/CD using Tekton for job execution and GitLab for orchestration, improving pipeline performance across 50+ microservices
Implemented DevSecOps pipeline integrating security scanning, automated testing, and compliance checks throughout deployment lifecycle
Maintained GitOps deployments using Flux, enabling declarative infrastructure management across multiple environments
Built reusable Infrastructure as Code with Terraform and configuration management with Ansible for consistent EKS deployments
Expert-level Kubernetes administration across RKE2, EKS, and virtual clusters (vCluster), managing complex multi-tenant architectures

Technologies: Kubernetes, Terraform, Ansible, GitLab CI, Tekton, Flux, EKS, RKE2, vCluster

Platform Engineer & Full Stack Developer

Booz Allen Hamilton 2021 - 2022

Dual role managing platform infrastructure while contributing to Django application development
Designed templated, reusable GitLab CI/CD pipelines reducing configuration overhead by 60% across development teams
Led infrastructure modernization from docker-compose on bare metal to production-ready EKS cluster
Developed full-stack features including REST APIs, frontend components, unit tests, and database migrations
Bridged development and operations through hands-on experience in both domains

Technologies: Django, Python, GitLab CI, Docker, EKS, Terraform, PostgreSQL

DevOps Engineer

Booz Allen Hamilton 2020 - 2021

Sole DevOps resource supporting two parallel web projects (PHP and C# stacks)
Containerized legacy applications and created Docker-based local development environments for full-stack testing with MongoDB
Built production EKS infrastructure using CloudFormation, then led migration to Terraform for better maintainability
Established CI/CD pipeline in Jenkins replacing fragmented custom scripts, enabling consistent deployments
Created comprehensive Helm charts for application deployment and standalone API services
Orchestrated database migration to MongoDB instances in EKS with zero downtime

Technologies: Kubernetes, EKS, Terraform, CloudFormation, Jenkins, Helm, Docker, MongoDB, PHP, C#

Operations Engineer / Customer Product Analyst

QikServe 2018 - 2020

Co-designed enterprise Windows 10 management and deployment solution integrated with Chef, managing 200+ Windows clients
Built self-service deployment system enabling Operations team to manage updates without code changes, reducing deployment overhead
Implemented Chef across kiosk deployments (Windows 10) and infrastructure (microservices and legacy servers)
Created custom Chef provisioning method for Windows clients using PowerShell to meet strict customer security requirements
Migrated AWS and Azure infrastructure to Terraform for consistent Infrastructure as Code practices
Led monitoring migration from Papertrail to DataDog with custom integrations and alerts for full platform visibility
Automated data transformation processes reducing Operations tasks from 3 weeks to 1 day through Python/PowerShell scripts
Established version control for Operations team workflows using GitLab and BitBucket
Managed all production deployments via Chef and Jenkins using GitFlow methodology

Technologies: Chef, Terraform, DataDog, Python, PowerShell, Jenkins, Docker, Kubernetes, AWS, Azure, GitLab, BitBucket