Senior Linux System Administrator

For more than 40 years, Accelya has been the industry’s partner for change, simplifying airline financial and commercial processes and empowering the air transport community to take better control of the future. Whether partnering with IATA on industry-wide initiatives or enabling digital transformation to simplify airline processes, Accelya drives the airline industry forward and proudly puts control back in the hands of airlines so they can move further, faster. 

Key Responsibilities:

• Manage all installed systems and infrastructure, including installation, configuration, testing, and maintenance of Linux-based operating systems.
• Troubleshoot, tune, upgrade, and monitor RedHat and CentOS systems, ensuring system health and performance.
• Perform OS upgrades for RedHat and CentOS platforms.
• Mitigate vulnerabilities related to the Linux OS within defined timeframes.
• Manage user accounts, create, delete, and modify user permissions, and configure/manage LVM, Apache, Samba, and NFS.
• Ensure system hardening and compliance with CIS standards.
• Provide support during IT audits and deliver required evidence to auditors.
• Enforce operating system policies to ensure security, integrity, and efficiency of system resources, applications, and operations.
• Support datacenter activities, including hardware break-fix coordination with OEM vendors.
• Address IT operations tickets and incidents in compliance with defined SLAs.

Qualifications and Requirements:

• Certifications:
  • Red Hat Certified Engineer (RHCE) required.
  • AWS certification is a plus.
  • ITIL certification preferred.
• Technical Skills:
  • Proven working experience as a Linux Administrator in a large-scale environment.
  • Experience with RedHat and CentOS platforms.
  • Proficiency in managing LVM, Apache, Samba, and NFS.
  • Strong understanding of security hardening techniques (CIS standards).
  • Basic scripting knowledge (e.g., Bash, Python).
• Experience:
  • 5-6 years of experience in Linux system administration, supporting large and complex environments.
  • Hands-on experience with OS patching, upgrades, and vulnerability management.
  • Experience with cloud platforms such as AWS.
  • Familiarity with Virtualization Platform such as VMware.
  • Education:
    • Bachelor’s degree in IT, Computer Science, Computer Engineering, or a related field.
• Other Skills:
  • Excellent communication and interpersonal skills.
  • Strong problem-solving abilities.
  • Familiarity with ITIL processes such as Incident, Change, and Problem Management.

Additional Information:

• The role requires flexibility to work in 24x7 shifts.
• The candidate must be able to support datacenter operations and address hardware break-fix issues.

This is a challenging and dynamic role that offers an opportunity to work with cutting-edge Linux technologies and environments.

What does the future of the air transport industry look like to you? Whether you’re an industry veteran or someone with experience from other industries, we want to make your ambitions a reality!