Jose Castrillo

Title: Cloud Development Operations
Public Cloud: AWS
Started: Nov 2024 - Currently
Company: Aubay
Client: Allianz

As part of the DevOps team, I design, maintain, and automate AWS infrastructure with Terraform and Terragrunt, following Infrastructure as Code (IaC) principles. I drive automation, CI/CD adoption, and cloud cost/security optimization across environments.

Docker AWS Linux❤️ GNU Bash Visual Studio Code Ansible Jenkins Terraform python Java Terragrunt

Key Achievements:

  • Modernized AWS environment provisioning by leveraging Terragrunt, streamlining variable management across dev, staging, and production.
  • Designed and implemented GitLab CI/CD pipelines, reducing manual deployments and accelerating release cycles.
  • Delivered infrastructure automation solutions that improved stability, compliance, and cost-efficiency for multiple projects.
  • Acted as a cloud advisor, enabling teams to adopt modern deployment practices and faster service delivery.

Title: Senior Cloud Solutions Engineer
Public Cloud: AWS
Started: Feb 2024 - Nov 2024
Company: Clorian

Modernized and optimized infrastructure through IaC and CI/CD pipelines, focusing on scalability, automation, and security improvements.

Docker AWS Linux❤️ GNU Bash Visual Studio Code Ansible Jenkins Terraform python Java npm Spring-Boot JavaScript

Key Achievements:

  • Re-engineered infrastructure under Terraform, ensuring reproducibility and reducing provisioning time.
  • Built and optimized CI/CD pipelines with GitHub Actions and Jenkins, achieving faster and more reliable deployments.
  • Automated continuous delivery pipelines that improved software release velocity and reduced operational overhead.
  • Provided cloud expertise to stakeholders, improving delivery standards and reducing time-to-market for services.

Title: Cloud Solutions Engineer
Public Cloud: AWS & Azure
Started: Oct 2022 - Feb 2024
Company: Festo

Develop and maintain CI/CD pipelines for automating software delivery, testing, and deployment. Manage and automate cloud infrastructure to enhance efficiency and reduce costs, including monitoring, maintenance, governance, and troubleshooting. Collaborate with cross-functional teams to align cloud systems with business needs.

Docker AWS Linux❤️ GNU Bash Visual Studio Code Ansible Kubernetes Grafana GitLab Terraform Azure python Java npm Spring-Boot JavaScript

Key Achievements:

  • Enhanced security posture and reduced risks by enforcing governance and compliance standards.
  • Provisioned and automated cloud services across AWS and Azure, improving availability and scalability.
  • Built GitLab CI/CD pipelines that cut manual deployment times and increased development productivity.
  • Drove team collaboration and delivery efficiency using Jira, Confluence, and DevOps best practices.

Title: SRE T2 (level 2)
Public Cloud: AWS
Started: Apr 2021 - Oct 2022
Company: NTT

Specialized in reliability, scalability, and automation for large-scale cloud-native platforms.

Docker AWS Prometheus Linux❤️ GNU Bash Visual Studio Code Ansible Kubernetes Grafana GitLab Terraform

Key Achievements:

  • Managed and scaled Amazon EKS clusters using IaC and GitOps, ensuring consistency and compliance across environments.
  • Automated zero-downtime patching with Packer and Ansible, reducing maintenance windows while strengthening security.
  • Streamlined infrastructure provisioning with Terraform, cutting manual intervention and errors.

Title: Ops Engineer
Started: Feb 2021 - Apr 2021 · 3 mos
Company: NTT

Monitoring, detect and prevent incidents, execute standards patching scheduled under time windows for different customers, follows standards RB & SOPs in order to mitigate unresponsive customer services.

Linux❤️ Windows in production, why? Docker GitHub Git icon GNU Bash Something called PowerShell

Key Achievements:

  • Delivered incident resolution and patch management across Linux and Windows environments.
  • Improved monitoring efficiency through LogicMonitor and OP5, ensuring high service availability.
  • Enhanced troubleshooting scripts for system diagnostics (network, DNS, memory), reducing time-to-resolution.

Title: FSE
Started: Apr 2019 - Nov 2020 · 1 yr 8 mos
Company: Excem Technology
Client: Mossos d’Esquadra - Catalan Police Force

Maintained 24/7 mission-critical infrastructure for national law enforcement data interception and analysis systems under ETSI protocols with multiple communication providers.

Linux❤️ Windows in production, why? Yammer? ok fine. Red Hat MSQL Server PostgreSQL GNU Bash NetApp Notepad++ icon Fortinet

Key Achievements:

  • Ensured high availability for sensitive data systems under strict ETSI protocols.
  • Administered mixed Linux/Windows environments, maintaining resilience and uptime.
  • Conducted packet analysis (Wireshark) and managed databases (Sybase, Postgres, MSSQL) to support investigations.
  • Led Tier 1 & 2 incident response, securing uninterrupted system operations.

Title: Cloud Solutions Engineer
Public Cloud: GCP
Started: Nov 2018 - Mar 2019 · 5 mos
Company: WebHelp

Member of the Infrastructure Team, we manage the customer infrastructure on GCP; incident management on AMI, ssh connections (troubleshooting), configurations and good practices, explanation to clients for deployment in GCE and GKE.

Kubernetes Docker Google Cloud Salesforce Stack Overflow icon Prometheus Linux❤️ GNU Bash Atom

Key Achievements:

  • Managed GCP infrastructure, troubleshooting GKE clusters and optimizing workloads.
  • Migrated projects across organizations, ensuring smooth transition and minimal downtime.
  • Implemented Stackdriver monitoring for improved visibility and reliability.
  • Enforced IAM role best practices, strengthening access management and compliance.

Title: Database Administrator
Started: Jan 2018 - Oct 2018 · 10 mos
Company: Barcelona Judicial Academy

Configuration CISCO switches, (AP outputs), migrations and changes of queries in the DB SQL 2008, management of the AD-CD windows server, feeding internal wiki for maintenance and tasks.

Something called PowerShell MSQL Server .NET icon Cisco icon Windows in production, why? SQLite icon Fortinet

Key Achievements:

  • Administered SQL Server databases, AD/DC 2008, and executed DDL queries for performance improvements.
  • Reduced end-user provisioning time using Clonezilla automation.
  • Performed Cisco switch maintenance and troubleshooting for high-availability environments.

Title: Technical Support Engineer
Started: Apr 2016 - Dec 2017 · 1 yr 9 mos
Company: Volotea

Some of my duties were inventory of microcomputer equipments, devices installation and configuration for endusers MS Win and Linux devices installation of apps and permissions for staff from different departments.

Jira Windows in production, why? OpenVPN Something called PowerShell Notepad++ icon Citrix

Key Achievements:

  • Supported 300+ end-users with Windows and mobile device management.
  • Maintained IT service documentation in Jira/Confluence, improving knowledge sharing.
  • Implemented VPN access and security policies for remote staff.

🛠️ Technical Skills Matrix

☁️ Cloud Platforms

AWS
95%
GCP
30%

🛠️ Infrastructure as Code

Terraform
92%

⚡ CI/CD & Automation

Jenkins
70%
Gitlab
90%
Github
60%

📊 Monitoring & Observability

Prometheus
70%
Grafana
60%
AlertManager
80%

📜 Certificates






💻 Courses





Further information on Linkedin