Chitrung Nguyen
Staff Software Engineer - Infrastructure
Experience
Apr 2023 - Present
2 years 4 monthsStaff Software Engineer - Infrastructure
Workpath
- Owning, designing, securing, maintaining reliability of the cloud based platform environments, increasing developer productivity and growing the infrastructure team horizontally and vertically to 5 engineers
- Realized infrastructure cost reduction of 50% by using efficient spot instances
- Improved PE developer efficiency by 15% with a survey-led development process
Apr 2021 - Apr 2023
2 years 1 monthLead Site Reliability Engineer
Workpath
- Halved backend response time while requests doubled
- Migrated the product from on-premise to native cloud on EKS
- Educated engineers on best practices for development experience and shaped the organization to adopt them in a formal, repeatable way
- Reduced barriers for engineers to deploy and optimize systems, and actively built bridges between security, development, operations, QA, and customer technical support
- Responsible for managerial tasks such as 1:1s, performance reviews, participating in interview loops, and introducing engineering levels
Sep 2018 - Aug 2020
2 yearsInfrastructure Security Engineer
Contentful
- Owned and secured the cloud-based content platform production environment
- Led, designed, and implemented projects across multiple teams such as a secrets management sync component as a Kubernetes operator in Go, company-wide cloud SSO (Okta) rollout across 200 internal apps
- Responsible for corporate security best practices, employee training, and SDLC
- Managed the bug bounty program
- Conducted candidate interviews
- Supported ISO27001 implementation by facilitating processes and writing policies
Sep 2017 - Aug 2018
1 yearDevOps Engineer
Funke Digital
- Provided general strategic direction for cloud migration and IT security
- Migrated production from an on-premise data center to a cloud platform (AWS)
- Built and managed a Kubernetes cluster
- Migrated microservices from native execution to a container environment
- Automated infrastructure as code with Terraform and Ansible
- Built a Jenkins multibranch pipeline
- Created a one-command dev environment using Docker Compose and Docker Machine
- Monitored systems with Grafana
- Aggregated logs with the ELK Stack
- Conducted interviews of potential new hires
Mar 2016 - Aug 2017
1 year 6 monthsBerlin, Germany
IT System Administrator/DevOps
Bytepark
- Planned and executed a VMware ESXi3 to ESXi5 migration
- Deployed a Selenium Grid test environment with different hosts (Windows/Linux) and WebDrivers (PhantomJS, Firefox, Internet Explorer, WebKit)
- Designed the hosting infrastructure with Ansible, based on Docker, Nginx, PHP, and MariaDB
- Orchestrated containers (Ansible, Docker Compose) and designed CI/CD pipelines with GitLab
- Designed and applied security concepts for internal IT, infrastructure, and employees
Apr 2015 - Nov 2017
2 years 8 monthsIT Consultant/Full Stack Development
Self-Employed
- adIQ: Analyzed and evaluated the existing database; optimized queries and structures
- geoberlin: Fully developed and designed the geoberlin blueprint download app; rolled out the Redmine project management system
- JallousDruckhaus: Web design and front-end development for clients with Ruby (on Rails) and Jekyll
- Respatex: Updated an old static page into a mobile-responsive website
- System administration for the above clients (web and database)
Jan 2012 - Mar 2015
3 years 3 monthsIT Security Test Analyst
T-Systems
- Performed penetration testing of various systems, databases (including Oracle, MySQL, MSSQL), web applications, and servers
- Analyzed and evaluated IT systems; documented security vulnerabilities
Jan 2011 - Dec 2012
2 yearsSoftware Developer
T-Systems
- Developed a tool for statistical analysis of support ticket data
- Implemented it as a Joomla plugin in PHP
Languages
German
NativeVietnamese
NativeEnglish
AdvancedSpanish
Elementary Education
Oct 2011 - Jun 2015
University of Telecommunications Leipzig
Bachelor of Science, dual-study program · Leipzig, Germany
Certifications & licenses
VS-NfD Instruction
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