Tim Shulepov
Senior DevOps Engineer
Burlingame,CA
Summary
Senior DevOps engineer with over 20 years of experience specializing in AWS cloud infrastructure. Extensive expertise in creation and maintenance of production-grade secure infrastructure. Solid understanding of setting long-term strategy, growing, training and managing DevOps resources.
Overview
15
15
years of professional experience
4
4
years of post-secondary education
1
1
Certification
Work History
Senior DevOps Engineer
WitnessAI
02.2025 - 04.2026
- Decreased time required to provision a new client environment from 2 days to 2 hours using Terraform, Helm, Python and shell scripting
- Optimized cloud usage cost of running client environments by 30 percent by tuning AWS resource configuration and automating environment freezes
- Maintained Production platform spanning 8 AWS regions around the world
- Improved platform reliability by re-architecting infrastructure codebase consisting of Terraform and Helm templates
- Reduced manual involvement in code releases by improving CI/CD pipeline code
- Eliminated platform performance bottlenecks between application code and database layers
- Led the effort to distribute knowledge of the platform within the team with documentation and live demonstrations
Senior DevOps Engineer
Spec
11.2023 - 02.2025
- Fully automated company's code release process to all pre-Production environments using Gitlab CI/CD and ArgoCD
- Collaborated with backend engineers to set up safety mechanisms in code deployment pipelines
- Created new client environments on tight deadlines
- Executed client migrations across AWS accounts from legacy platform infrastructure to new architecture
- Led the effort to pass the SOC2/PCI security compliance audit
- Researched and advised on choice of engineering tools based on given requirements and constraints
- Introduced a notification system for malicious activity in AWS using GuardDuty
Staff DevOps Engineer
Appen Butler Hill Inc.
03.2020 - 08.2023
- Managed a team of 4 engineers in several countries
- Carried out large scale data and infrastructure migrations across multiple regions and accounts in Amazon
- Deployed business intelligence applications using container orchestration tools
- Re-architected CI/CD pipelines to maximize speed and reliability of code deployments
- Investigated and deployed software applications to bring the company's security posture to the next level
- Wrote code and developed tools and integrations to meet cross-platform user needs
- Participated in successful reduction of cloud infrastructure bill by 50%
- Carried out real-time troubleshooting of critical issues as part of on-call rotation
Lead DevOps Engineer
Sense Talent Labs
02.2019 - 03.2020
- Completely automated creation of Engineering development environments
- Executed an AWS spendings optimization project resulting in 80K savings in 2019
- Introduced Production Change Control process for making infrastructure changes in Production
- Established fundamental security measures for Engineering resources
- Created the first mapping of Production infrastructure
- Led the effort to introduce automated sanity checks for Production deployments
- Implemented first comprehensive monitoring system in Production
Senior DevOps Engineer
Komodo Health, Inc.
12.2016 - 02.2019
- Decreased data release time to Production from 30 hours to 2 hours by introducing Jenkins worker nodes
- Eliminated human error factor of data releases to Production
- Migrated Production platform to a secure environment controlled by CloudFormation
- Designed and deployed new Kubernetes clusters
- Together with chief architect, executed an AWS spendings optimization project resulting in cost savings of over 70K in 2017
- Led the effort of re-architecting CloudFormation stacks to ensure long-term scalability of new VPC environments
- Introduced security compliance measures, including scheduled penetration tests, security group audits and AWS IAM policy overhaul
- Managed a team of 2 contractors, from setting work strategy for each quarter to overseeing deliverables for each sprint
- Compiled and delivered a plan to grow the DevOps team
- Composed and carried out DevOps training courses
DevOps Engineer
Education Elements
03.2015 - 04.2016
- Planned and created staging and production environments in AWS under time constraints using Chef
- Improved existing and created new Chef cookbooks from scratch or using Chef Marketplace cookbooks
- Provided analysis of application performance using NewRelic and Graphite
- Expanded Nagios monitoring from 40 to 700+ monitoring checks, including company API endpoints
- Set up new and optimized existing Jenkins code deployment jobs
Linux Systems Administrator
LiveOps
06.2013 - 03.2015
- Administered multiple Xen and KVM virtual clusters of over 500 virtual machines, including troubleshooting hardware
- Wrote Ansible playbooks and Puppet modules for purposes of automated server deployment and centralized configuration management
- Migrated engineering tools (Artifactory, Jenkins) from obsolete hardware to virtual infrastructure
- Wrote bash scripts for various sysadmin purposes, including backup scheduling and retention
- Administered SAN and NAS file systems residing on Netapp clusters
- Carried out physical maintenance and updates in multiple data centers
Linux Systems Administrator
Sony Playstation
03.2011 - 08.2012
- Maintained a virtual infrastructure of 100 virtual and 50 physical machines
- Performed migration of physical servers to VMware virtual infrastructure
- Performed scheduled software upgrades
- Implemented and executed scheduled security testing procedures
Education
Bachelor of Science - Computer Science
San Jose State University
San Jose, CA 09.2003 - 05.2007
Skills
Cloud infrastructure (AWS, GCP)
Infrastructure as code (Terraform, Helm, CloudFormation)
Container orchestration (Kubernetes, EKS, ECS)
Code deployment automation and CI/CD (ArgoCD, Github Actions, Gitlab, Jenkins)
Application performance and observability (DataDog, CloudWatch, NewRelic, Prometheus, Grafana)
Databases (AWS RDS, Aurora, PostgreSQL, MySQL)
Security and compliance (AWS GuardDuty, Trusted Advisor, IAM, Vanta)
Scripting languages (Bash, Python, AWS CLI)
Engineering team management and leadership
Other DevOps tools (Teleport, Harness, Claude Code, Cursor)
Serverless Applications (Fargate, AWS Lambda)
Certification
AWS Certified Solutions Architect Associate
Timeline
Senior DevOps Engineer
WitnessAI
02.2025 - 04.2026
AWS Certified Solutions Architect Associate
11-2024
Senior DevOps Engineer
Spec
11.2023 - 02.2025
Staff DevOps Engineer
Appen Butler Hill Inc.
03.2020 - 08.2023
Lead DevOps Engineer
Sense Talent Labs
02.2019 - 03.2020
Senior DevOps Engineer
Komodo Health, Inc.
12.2016 - 02.2019
DevOps Engineer
Education Elements
03.2015 - 04.2016
Linux Systems Administrator
LiveOps
06.2013 - 03.2015
Linux Systems Administrator
Sony Playstation
03.2011 - 08.2012
Bachelor of Science - Computer Science
San Jose State University
09.2003 - 05.2007