We are looking for a professional to fill the role of **Sysadmin** and **SRE/DevOps Platform Engineer** to join our **DevSecOps** team. If you have a **generalist** profile with a passion for IT infrastructure, automation, system stability, and infrastructure as code, this is your opportunity to provision, design, optimize, and maintain architectures in hybrid environments (On\-Prem and Cloud). You will be responsible for managing the entire infrastructure lifecycle, from initial provisioning to sustaining and continuously improving critical services. **Key Responsibilities** * **Provisioning, Operation, and Configuration:** Administer **Linux** and **Windows Server** environments and services, including creating and configuring VM instances in **Cloud (AWS)** and On\-Prem environments. * **Architectural Design, Provisioning, Optimization, and Improvements:** Engage in provisioning, configuration, operation, maintenance, monitoring, and optimization of technology architecture components such as queues, NoSQL databases, proxies, load balancers, etc. Support architectural design and improvements. * **Networking and Services:** Possess solid networking knowledge (DNS, DHCP, Web Servers, SSH/RDP) to design and troubleshoot connectivity issues in architectures. * **SRE Maintenance:** Apply Site Reliability Engineering (SRE) principles to ensure **stability, scalability, and resilience** of all services and systems. * **Infrastructure as Code (IaC):** Develop, provision, and maintain infrastructure in an automated and repeatable manner using tools such as **Terraform** and **Ansible**. * **Automation and Scripting:** Create robust scripts in **Bash, Python, and/or PowerShell** to automate provisioning, **operations**, troubleshooting, and incident remediation. * **CI/CD and Continuous Delivery:** Create and maintain CI/CD pipelines, with a special focus on **GitLab CI/CD**, to accelerate secure and agile application deployments. * **DevSecOps:** Collaborate with the Security Analyst to implement security practices (such as vulnerability scanning in pipelines and containers) from the architecture design phase. **Essential Requirements (Must Have)** * Solid experience in administration and troubleshooting of **Linux and Windows Server operating systems**. * Knowledge and experience with **Cloud Computing environments (preferably AWS)**. * Practical knowledge and experience in creating CI/CD pipelines, especially with **GitLab**. * Proficiency in at least one scripting language (Bash, Python, PowerShell, etc.) for infrastructure automation. * Experience with **Infrastructure as Code (IaC)** tools: **Terraform and Ansible**. * Knowledge in **container operations** (Docker). * Solid understanding of **networking** principles, protocols, and services (TCP/IP, DNS, SSH, etc.). **Nice to Have** * Experience in system **monitoring** and observability (Golden Signals, SLOs, SLIs), using tools such as **New Relic, Zabbix, or Grafana**. * Knowledge of **container orchestration** systems (Kubernetes, ECS, or Nomad). * Experience with **DevSecOps** practices (pipeline security, secret management). * Familiarity with code management workflows such as **Git Flow**. * Knowledge of **relational and non-relational databases** (MySQL, PostgreSQL, SQL Server, Redis, Mongo, etc).