Linux Systems Administrator

4 semanas atrás

Rio Grande do Sul, Brasil Uvation Tempo inteiro

**Job Title**: Senior Linux Systems Administrator (Ubuntu / Red Hat)**:**Location**: Remote (Preferred: IST)**Employment Type**: Contract part time (4 IST Hour/Day )**Experience Required**: 10+ years (Senior Level)**Department**: Infrastructure & Cloud Operations**Reports To**: Infrastructure Lead / DevOps Manager**Position Overview**:We are seeking a **Senior Linux Systems Administrator** experienced in **Ubuntu and Red Hat Enterprise Linux (RHEL)** environments. The role involves managing and optimizing large-scale Linux server infrastructure across production and development environments, ensuring uptime, reliability, and security.This position will closely collaborate with DevOps, Network, and Software teams to support mission-critical systems, implement automation, and streamline infrastructure management processes.**Key Responsibilities**:- Manage, monitor, and maintain **Ubuntu and Red Hat Linux** servers (production and staging).- Perform system upgrades, kernel updates, patch management, and performance tuning.- Implement and manage **user access, security policies, and backup/recovery strategies**.- Troubleshoot and resolve hardware, OS, and network-related issues.- Maintain configuration management and deployment pipelines using **Ansible, Puppet, or similar tools**.- Monitor system health and resource utilization; ensure optimal uptime and performance.- Collaborate with DevOps and Cloud teams for environment provisioning (AWS, Azure, or on-prem).- Manage **server hardening, SSH configuration, SSL certificates**, and OS-level security compliance.- Participate in capacity planning, disaster recovery, and incident response activities.- Create and maintain detailed system documentation, SOPs, and audit reports.**Required Skills & Experience**:- 5+ years of hands-on experience in **Linux system administration (Ubuntu & Red Hat)**.- Strong command of **Bash scripting** and automation tools (e.g., Ansible, Terraform, Shell, or Python basics).- Experience with **monitoring tools** such as Nagios, Zabbix, or Prometheus.- Solid understanding of **networking fundamentals (DNS, DHCP, NFS, SSH, firewalls)**.- Experience with **virtualization and containerization technologies (VMware, KVM, Docker, etc.)**.- Strong troubleshooting skills with system logs, kernel issues, and service failures.- Familiarity with **version control (Git)** and **CI/CD pipeline environments**.- Exposure to **cloud platforms** (AWS, GCP, Azure) is an added advantage.- Excellent documentation and communication skills; ability to support global teams.**Preferred Qualifications**:- Red Hat Certified System Administrator (**RHCSA**) or Engineer (**RHCE**) certification.- Experience managing **high-availability clusters**, load balancing, and RAID management.- Previous experience in **enterprise-scale infrastructure environments** or tech product companies.**Soft Skills**:- Strong ownership and accountability mindset.- Detail-oriented with a proactive approach to issue prevention.- Excellent communication and coordination with cross-functional teams.- Ability to handle pressure and maintain SLAs in critical environments.

  • Linux System Administrator

    Há 5 dias

    São Paulo / Florianópolis / Rio de Janeiro / Rio Grande do Sul / Santa Catarina, Brasil Hostinger Tempo inteiro

    Join Hostinger, and we'll grow fast Our mission: To provide tools that help individuals and small businesses succeed online faster and easier. Our culture: Guided by 10 company principles. Our formula for success: Customer obsession, innovative products, and talented teams. Your role at Hostinger We're looking for a Linux System Administrator to help...

  • Linux System Engineer

    2 semanas atrás

    Índio do Brasil InComm Payments Tempo inteiro

    We are seeking a highly skilled and experienced Senior Linux System Engineer to join our InComm Operations team. Ideally, you will have a strong background in Red Hat and Oracle Linux system administration, automation with Ansible, as well as deep expertise in Linux patching, scripting, and GIT version control.100% Remote + CLT + Benefits (Health Insurance...

  • Linux System Engineer

    1 semana atrás

    Rio De Janeiro, Brasil InComm Payments Tempo inteiro

    We are seeking a highly skilled and experienced Senior Linux System Engineer to join our InComm Operations team. Ideally, you will have a strong background in Red Hat and Oracle Linux system administration, automation with Ansible, as well as deep expertise in Linux patching, scripting, and GIT version control.100% Remote + CLT + Benefits (Health Insurance...

  • Business Systems Administrator

    3 semanas atrás

    Sapucaia do Sul, Brasil Hard Hat Helpers Tempo inteiro

    Role Overview : We are looking for a highly experienced Business Systems Administrator who will serve as the primary owner and subject-matter expert for our ERP system. This individual will be fully responsible for the configuration, accuracy, day‑to‑day operation, and optimization of Epicor P21 across sales, inventory, purchasing, and reporting, with...

  • Business Systems Administrator

    3 semanas atrás

    Caxias do Sul, Brasil Hard Hat Helpers Tempo inteiro

    Role Overview We are looking for a highly experienced Business Systems Administrator who will serve as the primary owner and subject-matter expert for our ERP system. This individual will be fully responsible for the configuration, accuracy, day-to-day operation, and optimization of Epicor P21 across sales, inventory, purchasing, and reporting, with...

  • Finance System Administrator-sb

    3 semanas atrás

    Rio Grande do Sul, Brasil Paycor Tempo inteiro

    **Finance System Administrator-SB**Remote, BelgradeAt Paycor, ambition meets opportunityPaycor's HR software is purpose-built for leaders and modernizes people management. We help our customers build winning teams and great places to work. Paycor’s culture is the key driver of our success. Every day, our associates find new ways to add value and progress...

  • Business Systems Administrator

    4 semanas atrás

    Várzea Grande, Brasil Hard Hat Helpers Tempo inteiro

    Role Overview: We are looking for a highly experienced Business Systems Administrator who will serve as the primary owner and subject-matter expert for our ERP system. This individual will be fully responsible for the configuration, accuracy, day-to-day operation, and optimization of Epicor P21 across sales, inventory, purchasing, and reporting, with...

  • Linux System Administrator

    3 semanas atrás

    Rio de Janeiro, Brasil Hostinger Tempo inteiro

    Join Hostinger, and we’ll grow fast! We’re shaping the future of online success - powered by AI and driven by people. With 900+ talented professionals and over 4 million clients in 150 countries, we help creators and entrepreneurs bring their ideas to life faster and easier than ever before. Our mission: To provide tools that help individuals and small...

  • Gis System Administrator

    4 semanas atrás

    Rio de Janeiro, Brasil RINA Tempo inteiro

    **Posting Date**:30 Aug 2024**City**:Rio de Janeiro**Location**:Rio de Janeiro, BR**Contract Type**:Permanent**Division**:North America Energy**Level of experience**:Intermediate- RINA is currently recruiting for a **GIS System Administrator** to join its office in **Rio de Janeiro** **within the North America Energy Division.**Mission**The GIS Systems...

  • Analista de Suporte Linux/unix

    3 semanas atrás

    Rio de Janeiro, Brasil CTC Tempo inteiro

    Administrar Servidores e Sistemas Operacionais (Linux e Unix) dos equipamentos que compõem a solução Petrobank. Necessário formação superior completo, em Ciências da Computação, Sistemas de Informação ou Áreas Afins.Experiência mínio de 3 (três) anos de atuação em atividade de suporte e administração de banco de dados Oracle e SQL...