Hire the best Linux System Administrators in Sao Paulo, BR

Check out Linux System Administrators in Sao Paulo, BR with the skills you need for your next job.
  • $55 hourly
    Dedicated to optimization, automation, experienced DevOps Engineer that understands operations and development to quickly deliver code to customers. Has experience within Cloud and monitoring solutions, as well as DevOps development in Mac and Linux systems. Core Qualifications - Experienced with Interpreted Languages, including Perl and Python. - Understanding of Compiled languages, including C, C++, Java and Go. - Strong use of Shell script languages, including BASH. - Excellent configuration management using SaltStack, Ansible, Terraform. - Excellent Google Cloud experience and Kubernetes. Google Cloud Certified Professional Cloud Architect Google Cloud Certified Professional Data Engineer
    Featured Skill Linux System Administration
    CI/CD
    SaltStack
    PostgreSQL
    Git
    Zabbix
    DevOps
    Automation
    Kubernetes
    Linux
    Python
    System Administration
    Amazon Web Services
    Google Cloud Platform
  • $20 hourly
    Over 6 years of dedicated experience as a Linux administrator. Proficient in working on projects and expertly troubleshooting/managing various aspects, including: Linux distributions: Debian, Ubuntu, CentOS, AlmaLinux. Virtualization technologies: VMware, Proxmox, Xenserver, KVM/Libvirt. Hosting environments: WHM/cPanel. Cloud services: AWS EC2, RDS, S3, and Route 53. Network services expertise includes: DNS management: Record configuration, zone transfers, security enhancements (SPF, DKIM, DMARK) to ensure mail servers send/receive mail without triggering spam filters. VPN setup: Efficiently establish, manage, and troubleshoot OpenVPN and IPsec configurations. Mail server setup: Proficient in configuring Exim or Postfix, Dovecot, and MX records. Linux services mastery: Skilled in managing BIND9, Exim4, Postfix, Dovecot, OpenVPN, Squid, Apache2, Nginx, and Samba4. Proficient in deploying iptables and various packages for effective firewalling. Scripting capabilities: Adept with both Bash and Python scripting languages. Network troubleshooting: Skilled in using tools like Wireshark, TCPdump, and others for accurate diagnosis. Firewalls proficiency: Expertise with SonicWall, Sophos, FortiGate, NethServer, PfSense, and MikroTik. SSL certificates management: Able to generate certificates using Let's Encrypt and effectively manage them with Certbot. SSH hardening: Proficient in generating public/private keys for SSH and fine-tuning configurations. Users/groups management: Skilled in efficiently managing user accounts, groups, and permissions. Linux clusters: Competent in setting up and managing Linux clusters. Storage management: Experienced in managing storage with LVM technology.
    Featured Skill Linux System Administration
    Kernel-based Virtual Machine
    VPN
    Firewall
    Debian
    Nagios Core
    Postfix SMTP Server
    Exim
    cPanel
    Amazon Web Services
    CentOS
    Ubuntu
    Python
    Bash
    Linux
  • $25 hourly
    With advanced proficiency in C, C++, Python, C#, PHP, HTML, CSS, and intermediate knowledge in Java, GoLand, Node.js, and Lua, I bring a wealth of experience in software architecture to the table. Renowned for my problem-solving prowess, I thrive in roles where seemingly insurmountable challenges are conquered. My expertise spans a diverse array of domains, including web development, hardware controllers (Nordic, STM32, ATmega, ESP32), socket communications (Kafka, MQTT, ZeroMQ, TCP sockets), image processing, computer vision, numerical optimization, and code performance enhancements. Throughout my career, I've spearheaded projects ranging from microscope controllers and biomedical equipment image processing to the development of automated test runners for medical devices like X-ray machines. Additionally, I've contributed to the creation of websites interfacing with forecasting systems for energy markets, playing pivotal roles in backend development and model implementation for such systems. With a proven track record of delivering robust solutions across various sectors, I am poised to tackle any challenge and drive innovation in software architecture.
    Featured Skill Linux System Administration
    Microsoft Visual C++
    PostgreSQL
    PHP
    OpenWrt
    Oracle PLSQL
    ASP.NET
    Lua
    C++
  • $29 hourly
    Solution Integration Architect, SpringBoot and Camel microservices, specialized in the development of custom enterprise software products and agile methodologies, more than twenty years of experience in software development. Throughout my career, from developer to architect, using a wide range of tools and technologies. Nearly all my skills are a result of being self driven and self taught, with a passion for learning new technologies like microservices and functional paradigm. ✦ 11 years of professional experience in Java Programming, and 23 years of experience in software development. ✦ I've created an agil development architecture based on Spring{Boot,JPA} with Vaadin 7.7 that makes part of the Fisco Facil. To see it, is needed have an eCPF or eCNPJ. ✦ I always have minded a strong security polices working on Government Financial Business Systems. ✦ I've been using SpringBoot microservices with Apache Camel running on OpenShift pods. ✦ Very hands on professional, with extensive knowledge of modern software platforms including Linux, Shell script, Applications Servers such as JBoss v(4.2.2 and 6.3)-EAP and Weblogic 11g, 12c, Oracle PL/SQL, SQL, Data Administrator, Data Modeler. ✦ Skilled in customize Linux Box installation by doing an optimized kernel compilation, applying Gentoo Linux Security.
    Featured Skill Linux System Administration
    JetBrains IntelliJ IDEA
    Database Modeling
    DevOps
    SQL Programming
    Git
    Java
    Microservice
    Apache Camel
  • $5 hourly
    I am a support analyst with experience in Windows and Linux systems, where I help users with difficulties and I also have skills in the administration of these systems. I have experience installing and maintaining computers. I have knowledge with Microsoft Office Experience with audio and video editing tools Basic knowledge of Ethical Hacking Basic knowledge of programming logic and python language Ease in dealing with public and interpersonal communication
    Featured Skill Linux System Administration
    Ethical Hacking
    Microsoft Office
    Office Design
    Server
    System Administration
    Linux
  • $29 hourly
    Linux engineer with some experience with Linux servers support. Dell servers, Huawei Servers and etcetera.
    Featured Skill Linux System Administration
    Linux
    System Administration
  • $19 hourly
    Experience with over five years in large and medium-sized environments, experience in the sectors of Health, Administration, Retail and Technology, Factory. Expertise in support levels 1, 2, and 3 in Networks from service to implementation and migration, as well as configurations and documentation in Network environments and in projects carried out. Solid knowledge in Assembly and maintenance of microcomputers, Operating Systems and applications, Security Fundamentals, Configuration of network devices, Support to the NOC / Service Desk / Field Service teams.
    Featured Skill Linux System Administration
    Network Monitoring
    Computing & Networking
    Computer Network
    SNMP
    Data Center
    Cisco Router
    Windows Administration
    Virtual LAN
    Firewall
    Computer
    Cisco
    LAN Administration
    Microsoft Windows
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Trusted by

How do I hire a Linux System Administrator near Sao Paulo, on Upwork?

You can hire a Linux System Administrator near Sao Paulo, on Upwork in four simple steps:

  • Create a job post tailored to your Linux System Administrator project scope. We’ll walk you through the process step by step.
  • Browse top Linux System Administrator talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top Linux System Administrator profiles and interview.
  • Hire the right Linux System Administrator for your project from Upwork, the world’s largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a Linux System Administrator?

Rates charged by Linux System Administrators on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a Linux System Administrator near Sao Paulo, on Upwork?

As the world’s work marketplace, we connect highly-skilled freelance Linux System Administrators and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Linux System Administrator team you need to succeed.

Can I hire a Linux System Administrator near Sao Paulo, within 24 hours on Upwork?

Depending on availability and the quality of your job post, it’s entirely possible to sign up for Upwork and receive Linux System Administrator proposals within 24 hours of posting a job description.