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// ===== HEADER =====

#align(center)[
  #text(size: 17pt, weight: "bold", fill: accent)[WILLIAM FRANCO ABDUL HAI]
  #v(0.15em)
  #text(size: 9.5pt)[
    baduhai\@proton.me | +55 75 99254-7374 | github.com/baduhai
  ]
]

#v(0.5em)

#text(size: 10pt, style: "italic")[
  DevOps Engineer and Linux Systems Administrator with 5+ years of
  experience managing multi-cloud infrastructures across AWS, Azure, and
  on-premise environments. Expertise in containerisation, infrastructure
  as code, and automation, with a proven track record of optimising
  deployments, reducing costs, and implementing reliable CI/CD pipelines.
  Skilled at managing distributed systems and delivering scalable
  solutions for diverse client needs.
]

// ===== EDUCATION =====

#section[Education]

*Universidade SENAI CIMATEC*
#job[#text(size: 9.5pt)[Bachelor of Engineering in Computer Engineering]][#text(size: 9.5pt)[Salvador, Brazil | Ongoing -- Dec 2026]]

// ===== PROFESSIONAL EXPERIENCE =====

#section[Professional Experience]

#job[*DevOps Engineer → Operations Team Lead*][T-Systems | Remote | Mar 2025 -- Present]

- Maintain 15+ production and development environments across Open Telekom Cloud and Microsoft Azure, ensuring high availability and performance.
- Manage 45+ Rocky Linux virtual machines, implementing security patches, updates, and configuration management.
- Orchestrated migration from Ansible-based deployment playbooks to Terraform-based infrastructure as code, achieving significantly more reliable and repeatable deployments.
- Implement comprehensive monitoring and automation solutions across all environments, reducing manual intervention and improving incident response times.
- Promoted to Operations Team Lead in February 2026 while retaining previous operational responsibilities.
- Serve as the primary technical liaison between development teams based in Germany and India and the Brazil-based operations team.
- Coordinate and delegate operational tasks across a 4-person team, supporting infrastructure delivery, incident response, and deployment operations.

#v(0.3em)

#job[*System Administrator & DevOps Engineer*][Freelance | Remote | Oct 2022 -- Feb 2025]

- Managed up to 3 concurrent clients across various time zones, delivering reliable infrastructure and DevOps solutions.
- Streamlined operations through automation and CI/CD pipeline configuration, reducing deployment times and improving reliability.
- Created and maintained reproducible, containerised, and distributed systems using Docker, Kubernetes, and NixOS.
- Executed complete infrastructure migrations across AWS, Huawei Cloud, and on-premise environments.

#v(0.2em)

_Key Client Projects:_

#v(0.05em)

#text(size: 10pt)[*Genetic Intelligence (Medical Machine Learning Project)*]
- Packaged multiple Python CUDA packages in Nix for machine learning applications, enabling reproducible GPU-accelerated computing.
- Developed a continuous delivery pipeline to build and deploy NixOS virtual machine images on GCP Compute Engine, saving 2+ hours of manual configuration weekly.

#v(0.05em)

#text(size: 10pt)[*Global Ethics Solutions (Online Courses Platform)*]
- Planned and executed an upgrade from CentOS 7 to AlmaLinux 8, ensuring zero downtime during migration.
- Maintained server security and performed regular updates, ensuring compliance and system stability.

#v(0.05em)

#text(size: 10pt)[*VoxLink (IP Phone Provider)*]
- Facilitated phasing out of AWS in hybrid cloud infrastructure, saving client over \$1,000 monthly in AWS fees.
- Migrated specific services to Huawei Cloud and upgraded servers from outdated Debian versions to supported releases.
- Planned migration from manually configured container environments to Kubernetes cluster managed with Terraform across multiple regions.

#pagebreak()

#job[*Help Desk Analyst*][Tech Mahindra | Remote | Nov 2023 -- Mar 2024]

- Processed 15+ support tickets daily, closing an average of 10 tickets per day with high customer satisfaction.
- Provided technical support for software applications, including installation, configuration, and troubleshooting on end-user systems.
- Resolved client software issues through systematic troubleshooting of application installations, browser configurations, and data migrations.

#v(0.3em)

#job[*Open Source Software Analyst*][credativ GmbH | Mönchengladbach, Germany | Dec 2020 -- Oct 2022]

- Provided Level 3 support for client companies across various server applications and Linux environments.
- Managed traditional Linux distributions and authored automation scripts for infrastructure maintenance.
- Set up containerised and virtualised environments using Docker, Kubernetes, and KVM.

#v(0.3em)

#job[*English Instructor*][Berlitz | Remote | May 2023 -- Aug 2023]

- Instructed adult learners of diverse levels in English as an Additional Language.
- Cultivated a dynamic and engaging learning environment for international professionals.

// ===== PROJECTS & OPEN SOURCE =====

#section[Projects & Open Source]

#job[*NixOS Package Maintainer*][NixOS | 2022 -- Present]

- Active contributor to nixpkgs repository and maintainer of multiple packages in the NixOS ecosystem.

#v(0.25em)

#job[*Koi -- Linux Desktop Theme Manager*][Personal Project | 2020 -- Present]

- Developed Koi, a Linux desktop utility written in C++ and Qt for theme management, reaching 380+ GitHub stars.
- Attracted contributions from 19 independent developers and released under LGPL licence.

// ===== TECHNICAL SKILLS =====

#section[Technical Skills]

#text(size: 10pt)[
  *Cloud Platforms:* AWS | Azure | OpenStack | Open Telekom Cloud | Huawei Cloud \
  *Container & Orchestration:* Docker | Podman | Kubernetes \
  *Infrastructure as Code:* Terraform | Ansible | Nix \
  *Monitoring & Observability:* Grafana | Loki | Prometheus \
  *Operating Systems:* Debian | Ubuntu | NixOS | CentOS \
  *Programming Languages:* Python | C++ | Rust | Bash
]

// ===== LANGUAGES =====

#section[Languages]

*English:* Native | *Portuguese:* Native | *German:* C1 | *French:* B1