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Administrador de Linux (Sénior)

Remote: 
Full Remote
Contract: 
Full time
Work from: 
Portugal

Offer summary

Qualifications:

5+ years of experience managing complex Linux infrastructures., Advanced expertise in Oracle Linux and Debian/Ubuntu., Strong skills in automation and systems administration, particularly with Ansible., Solid knowledge of networking, high-availability systems, and Linux filesystem security..

Key responsibilities:

  • Manage and maintain Oracle Linux and Debian/Ubuntu servers in production environments.
  • Implement and support IPv4 network configurations and filesharing protocols.
  • Develop and maintain automation scripts for system provisioning and configuration management.
  • Administer Foreman for system lifecycle management and troubleshoot high availability setups.

Syffer logo
Syffer
2 - 10 Employees
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Job description

Syffer is an all-inclusive consulting company focused on talent, tech and innovation. We exist to elevate companies and humans all around the world, making change, from the inside to the outside.

We believe that technology + human kindness positively impacts every community around the world. Our approach is simple, we see a world without borders, and believe in equal opportunities. We are guided by our core principles of spreading positivity, good energy and promote equality and care for others.

Our hiring process is unique! People are selected by their value, education, talent and personality. We dont present ethnicity, religion, national origin, age, gender, sexual orientation or identity.

Its time to burst the bubble, and we will do it together!

What You'll do:

- Manage and maintain Oracle Linux and Debian/Ubuntu servers in production environments.

  • - Implement and support IPv4 network configurations, filesharing protocols (NFS/CIFS), and Linux LVM.

  • - Develop and maintain automation scripts with Shell and Ansible for system provisioning and configuration management.

  • - Administer Foreman for system lifecycle management.

  • - Manage and troubleshoot Pacemaker clusters, DRBD, and HAProxy setups for high availability and redundancy.

  • - Configure and maintain Apache web servers and tune SSH settings for security and performance.

  • - Apply system hardening, implement CVE mitigations, and manage package installation/updates.

  • - Perform in-depth troubleshooting across OS, application, performance, and network layers.

  • - Administer virtual machines in Oracle VM (Xen) and perform operational tasks in VMware vCenter.

  • - Handle user access, permissions, filesystem ACLs, and security configurations.


    • What You Are:

    - 5+ years of experience managing and troubleshooting complex Linux infrastructures.

  • - Advanced expertise in Oracle Linux and Debian/Ubuntu, with strong skills in automation and systems administration.

  • - Solid knowledge of networking (IPv4), high-availability systems, and Linux filesystem security (permissions, ACLs).

  • - Proficiency with tools like Ansible, Foreman, and Pacemaker/DRBD clusters.

  • - A proactive mindset in ensuring security, performance, and reliability of critical systems.

  • - Familiarity with virtualization technologies, especially OracleVM (Xen) and VMware vCenter, is a strong asset.

  • - A structured, problem-solving approach and a drive for continuous optimization.


  • What you'll get:

    • - Wage according to candidate's professional experience;

    - Remote Work whenever possible;

    - Allocation of health insurance from the beginning of the employment;

    - Delivery of work equipment adjusted to the performance of functions;

    - And others.

    Work together with expert teams on projects of large magnitude and intensity, long term together with our clients, all leaders in their industries.

    Are you ready to step into a diverse and inclusive world with us?

    Together we will promote uniquess!

    Required profile

    Experience

    Spoken language(s):
    EnglishPortuguese
    Check out the description to know which languages are mandatory.

    Hard Skills

    LinuxLinuxAnsibleKorn ShellVMware VirtualizationNetwork File SystemsCardiac DevicesOracle Virtual MachineOpenSSHXfsHAProxyInternet ProtocolsApache TomcatVirtualization

    Other Skills

    • Open Mindset
    • Problem Solving
    Are you interested?

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