Jesse Bergerstock
Auburn,NY
Summary
Platform/DevOps engineer (.NET) owning AKS, Terraform, GitHub Actions, and Octopus in a multi-tenant Azure environment. Worked as principal dev on a real-time showroom floor management system; built Azure AD B2C SSO for a hospital bill-pay portal; led PCI payments API migration within PHI boundaries. Run active–passive DR exercises and operate comfortably in regulated environments (PCI DSS, HIPAA/PHI), and on-call responsibility.
Overview
9
9
years of professional experience
Work History
Platform Engineer
R1 RCM
01.2025 - Current
- Central platform team for AKS: administer upgrades, PDBs, and microservice API rollouts; ship via Helm/Terraform/Octopus/ACR/GitHub Actions.
- Payments & data safety: migrated a PCI payments API into a PHI tenant to eliminate PHI inference risk; aligned controls with PCI DSS and HIPAA.
- Reliability & DR: operate active–passive DR for prod02; biannual regional-outage exercises to validate recovery of sites and services.
- Public Network Mitigation: moved public endpoints to private, implemented Private Link, coordinated cross-tenant networking, Palo Alto policy, jump/VPN access, and AKS ACR private connectivity.
- AKS integrations: 1Password Connect, Wiz Outpost (AKS), LogicMonitor, AGIC, Grafana, Prometheus.
- Mixed estate operations: Linux services and Windows/IIS apps during deployments and incidents.
DevOps Engineer
R1 RCM
01.2022 - 12.2024
- Led Terraform design committee; authored reusable AKS module and shared patterns.
- Octopus: managed tenanted lifecycles; partnered with Octopus on alpha features (project templates, policies).
- Job orchestration: administered JAMS; mapped dependencies; initiated Airflow migration planning (DAGs, alerting).
- Secrets & identity (lead): app-registration/site-cert monitoring with Slack alerting and rotation runbooks; migrated workload auth to Managed Identity/Kubernetes Workload Identity; centralized secrets in Key Vault; chaired 'Watch the Watchers' audit meetings.
- CI/CD Migration: moved Bitbucket to GitHub and TeamCity to GitHub Actions with private runners; led trunk-based development adoption.
- Scheduling/environments: delivered lane-reservation system integrated with Jira for multi-tenant test lanes.
- Ops: on-call (Opsgenie & PagerDuty).
Senior .NET Engineer
R1 RCM
05.2019 - 12.2021
- Built and supported a multi-tenant hospital bill-pay portal (Vue + .NET).
- Implemented SSO across clients using SAML/OIDC; configured Azure AD B2C. Providing hospital system guarantor SSO access to the billing portal.
.NET Full-Stack Developer
Raymour & Flanigan Furniture
Liverpool, NY
01.2017 - 05.2019
- Principal dev for a UWP tablet real-time workforce app (React, SignalR, .NET Core, T-SQL; Cypress).
- Reduced customer-care load during pandemic spikes via a scheduling/email service.
- Modernized legacy apps (PL/SQL & WinForms → T-SQL & React); built .NET Core web APIs for ecommerce; implemented .NET 6 auth (claims/policies/roles).
- Agile: Scrum/Kanban with Jira/Azure DevOps.
Education
BS - Computer Science
SUNY Polytechnic Institute
01.2017
CS coursework (transfer) -
Cayuga Community College
01.2015
A+/Network+ - OS & networking
BOCES (2-year high-school program)
01.2013
Skills
- Languages: C#, PowerShell, Bash, SQL, JavaScript/TypeScript, React, Vue
- Also Enjoy: Rust, Haskell, Clojure, Lua
- Cloud/Infra: Azure (AKS, APIM, Private Link, VNets, Private DNS, VPN), Terraform, Octopus Deploy, ACR
- CI/CD: GitHub Actions (self-hosted runners), TeamCity, Octopus (tenanted)
- Job Schedulers: JAMS (admin), Apache Airflow (migration planning)
- Platforms/OS: Kubernetes (AKS), Linux, Windows Server/IIS
- Messaging: RabbitMQ, Azure Service Bus
- State: Azure SQL, T-SQL, PL/SQL, Dapper, Entity Framework, Reddis
- Process: Jira, Azure DevOps, ServiceNow, PagerDuty/Opsgenie
- Compliance: HIPAA/PHI, PCI DSS
Additional: Mentorship & Tutoring
Big Brothers Big Sisters (8–12) and tutoring CS/math/game programming for college students; build small apps/games to teach fundamentals.
Timeline
Platform Engineer
R1 RCM
01.2025 - Current
DevOps Engineer
R1 RCM
01.2022 - 12.2024
Senior .NET Engineer
R1 RCM
05.2019 - 12.2021
.NET Full-Stack Developer
Raymour & Flanigan Furniture
01.2017 - 05.2019
BS - Computer Science
SUNY Polytechnic Institute
CS coursework (transfer) -
Cayuga Community College
A+/Network+ - OS & networking
BOCES (2-year high-school program)