Senior Linux Administrator

Job description

Job Description: Key Responsibilities: Install, configure, and maintain Linux servers and systems across production and development environments. Monitor system performance and ensure high availability and reliability of infrastructure. Perform system upgrades, patching, and security hardening. Troubleshoot and resolve complex system, network, and application issues. Manage user access, permissions, and system security policies. Automate routine tasks using scripting (e.g., Bash, Python). Collaborate with DevOps, network, and security teams to optimize infrastructure. Implement backup, disaster recovery, and business continuity solutions. Maintain system documentation, procedures, and configurations. Requirements: Bachelor’s degree in Computer Science, Information Technology, or a related field. Minimum of 5–8 years of experience in Linux system administration. Strong experience with major Linux distributions (e.g., Red Hat, CentOS, Ubuntu). Proficiency in shell scripting and automation tools. Solid understanding of networking concepts (TCP/IP, DNS, DHCP, firewalls). Experience with virtualization technologies (VMware, KVM, etc.). Familiarity with cloud platforms (AWS, Azure, or GCP) is a plus. Knowledge of configuration management tools (Ansible, Puppet, or Chef) is preferred. Strong problem-solving skills and attention to detail. Excellent communication and teamwork abilities. Preferred Qualifications: Relevant certifications such as RHCSA, RHCE, or equivalent. Experience in high-availability and mission-critical environments. At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive. Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available here .