Location: Amsterdam, NL
Email: alejandro.sajaroff.nl@gmail.com
LinkedIn: in/alejandro-sajaroff
GitHub: asajaroff
Website: alejandro.sajaroff.com

About

Software Engineer and System’s Administrator built in Argentina and currently deployed in the Netherlands. Kubernetes specialist. Open source supporter.

Key Skills:

  • Systems & Infrastructure: Linux/*BSD operating systems, Kubernetes orchestration, computer networking, cloud providers, and cloud-native 12-factor applications
  • Programming & Automation: Python, Go, C, and shell scripting (sh/bash) with focus on scalable software design
  • DevOps & IaC: Terraform, Tofu, Terragrunt, Ansible, and CI/CD pipelines (Jenkins, GitHub Actions, CircleCI)
  • Observability & Monitoring: Experience with monitoring, logging, and observability tools for distributed systems
  • Community & Architecture: Active CNCF member with strong interest in software architecture and design patterns

Job Experience

Eagle Eye Networks

Role: Site Reliability Engineer
Since: March 2025
Location: Amsterdam, Netherlands

A Smart Video Survaillance dedicated to record, store and display footage of video camera systems.

Responsibilities:

  • Manage and develop the company’s on-prem Platform deployed across several datacenters across the globe.
  • Manage the organization’s Cloud Resources in AWS and GCP, as well as the on-prem Platform.
  • Mantain an observability stack, and help identify and correct issues through data and dashboards.
  • Help teams and stakeholders implement larg-scale projects with an hollistic platform view.
  • Aid with the support of platform and infrastructure solutions for Business generated needs.

Tech stack: Linux, On-Prem Datacenters, Kubernetes, Prometheus, VictoriaMetrics, ELK, AWS, GCP, Terraform, GitHub Actions, Java, Python

Miro

Role: Site Reliability Engineer
Since: March 2023 to March 2025
Location: Amsterdam, Netherlands

A digital collaboration platform designed to facilitate remote and distributed team communication and project management.

Responsibilities:

  • Developing and maintaining CI/CD pipelines for Infrastructure as Code (IaC) workflows.
  • Managing Infrastructure as Code for both monolithic projects and microservices architectures.
  • Creating and maintaining IaC modules, enforcing best practices, and implementing guardrails, primarily using Terraform with some Ansible.
  • Ensuring governance and compliance across the Cloud Platform by managing policies and governance solutions.
  • Securing and managing legacy infrastructure to ensure stability and continuity.
  • Supporting development teams by providing infrastructure solutions, sharing expertise, and creating detailed documentation.

Tech stack: AWS (EC2, RDS, VPC, Elasticache, Elasticsearch), Terraform, Terragrunt, GitLab, GitHub, Java, Kotlin, Go, Node.js

Teamwork

Role: Platform Engineer
From: December 2019 to March 2023
Location: Cork, Ireland (remote)

A Software as a Service platform for task management and team collaboration software.

Responsibilities:

  • Assisting development teams and individual contributors in decoupling a large monolithic application into microservices.
  • Building, configuring, maintaining, and operating a production environment of Kubernetes clusters.
  • Creating developer tooling to emulate a fully functional local development environment composed of diverse systems and tools.
  • Writing and maintaining CI/CD pipelines for software artifact releases and deployments across multiple environments.
  • Developing internal tooling for managing various codebases.
  • Implementing and maintaining Graylog for centralized log management.

Tech stack: AWS (EC2, IAM and VPC), Kubernetes, Go, Node.js, Coldfusion, MySQL, ProxySQL, HAProxy

Naranja X

Role: Platform Engineer
From: December 2018 to December 2019
Location: Buenos Aires, Argentina

A financial services and digital wallet. Part of the group “Banco Galicia”.

Responsibilities:

  • Established the Cloud Infrastructure team, involved in interviewing, hiring, and onboarding new members.
  • Designed, implemented, and managed the entire cloud infrastructure for an electronic banking system.
  • Led incident management, including writing Root Cause Analyses (RCAs) and creating extensive technical documentation.
  • Designed and maintained cross-network connectivity between cloud providers, on-premise company infrastructure, and external B2B partners.
  • Oversaw network integrations with payment providers to ensure secure and reliable payment processing.

Tech stack: AWS, Azure, Kubernetes, Java, Node.js, MySQL

Atos Argentina S.A.

Role: Application Industrializer
From: July 2016 to December 2018
Location: Buenos Aires, Argentina

IT services consulting company, working on site for the PSA Groupe customer.

Responsibilities:

  • Implemented and maintained enterprise applications on UNIX-compatible operating systems.
  • Supported a wide range of enterprise technologies, primarily centered around Java (JVM) infrastructure.
  • Managed and maintained a complex workflow orchestration system using Control-M.
  • Administered databases, ensuring data integrity and performance in mission-critical systems.

Tech stack: Linux, Solaris, Oracle DB, IBM-DB2, Java EE, shell scripting, Citrix, XEN, QEMU

ELServer.com

Role: Platform System Administrator
From: June 2014 to July 2016
Location: Buenos Aires, Argentina

A shared web hosting platform.

Responsibilities:

  • Managed both on-premises and virtual infrastructure for a web hosting provider.
  • Maintained and set up on-premises infrastructure to ensure optimal performance and reliability.
  • Implemented and managed OpenStack for cloud infrastructure solutions.
  • Developed a web-based platform for creating and managing MySQL databases.

Tech stack: Linux, MySQL, Wordpress, Ruby, Type 1 Hypervisors, bash, perl

Universidad Tecnológica Nacional

Role: System Administrator & Support Agent
From: March 2010 to December 2013
Location: Haedo, Argentina

Highly regarded institution for engineering-related studies.

Responsibilities:

  • Managed internal services including computer networks, email servers, DNS, and storage systems.
  • Provided technical support to University staff.

Education

Bachelor’s Degree in Computer Science

Institution: Universidad Tecnológica Nacional, Haedo
Graduation Year: 2013
Location: Haedo, Argentina

Technical High School Degree

Institution: Escuela de Educación Técnica 1 (EET#1) de Ituzaingó
Graduation Year: 2005
Location: Ituzaingó, Argentina

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