Linux System administator

NTT DATA, Inc.; Bengaluru; On-site; INR 700,000 - 1,100,000; Full time

Job summary

NTT DATA is seeking a Linux System Administrator in Bangalore, Karnataka, India. The role requires 3–7 years of Linux/Unix admin experience, strong scripting (Bash), and familiarity with automation, cloud, virtualization, containers, and monitoring tools.

You will manage RHEL/CentOS/Ubuntu/SUSE systems, patching, security, and incident resolution. You will work in a 24x7 support model with on-call rotations, collaborating across ITIL-aligned teams and leveraging tools like Ansible, Docker,

Qualifications

• Must be a graduate (B. Tech/B.E./B.Sc./MCA or equivalent).
• 3 to 7 years of experience as a Linux/Unix System Administrator in enterprise environments.
• Strong understanding of Linux OS (RHEL, CentOS, Rocky, Ubuntu, SUSE).
• Ability to handle day-to-day administration tasks including user management, file systems, process management, performance tuning, and log analysis.
• Experience with system hardening and security best practices.
• Hands-on experience with Linux OS patching, vulnerability remediation, and compliance (e.g., using tools like YUM/DNF, Spacewalk, Satellite, Landscape, or similar).
• Awareness of security benchmarks (CIS, STIG) is desirable.
• Proficiency in shell scripting (Bash) is required.
• Exposure to automation tools such as Ansible / Puppet / Chef is highly desirable.
• Basic knowledge of Python scripting is a plus.
• Basic working knowledge of cloud platforms (AWS / Azure / GCP) and Linux workloads in cloud environments.
• Understanding of virtualization technologies (VMware, KVM, Hyper‑V).
• Familiarity with containerization technologies (Docker, Podman) and basic understanding of Kubernetes/OpenShift.
• Exposure to CI/CD pipelines and DevOps practices is an added advantage.
• Experience with monitoring tools such as Nagios, Zabbix, Prometheus, Grafana, or similar.
• Strong troubleshooting skills to resolve system outages, performance issues, and incidents within SLA.
• Experience in handling production incidents and root cause analysis (RCA).
• Hands-on experience in Linux system installation, configuration, and upgrades.
• Knowledge of other UNIX flavors like AIX, Solaris, HP‑UX is an added advantage.
• Well-versed with ITIL processes (Incident, Problem, Change, Service Requests).
• Experience with ticketing tools like ServiceNow, Remedy, JIRA Service Management.
• RHCE / RHCSA / LFCS / Cloud certifications (AWS/Azure) preferred.
• Excellent written and verbal communication skills.
• Strong collaboration skills and ability to work in cross-functional teams.
• Quick learner with adaptability to new tools and technologies.
• Positive attitude, ownership mindset, and customer-focused approach.

Responsibilities

• Maintain and administer Linux/Unix systems in enterprise environments.
• Perform system hardening, patching, and security remediation.
• Manage users, filesystems, processes, and performance tuning; analyze logs.
• Collaborate with teams, automate tasks using Bash and Ansible/Puppet/Chef.
• Monitor systems with Nagios/Zabbix/Prometheus; troubleshoot incidents within SLA.
• Support CI/CD pipelines and container workloads (Docker, Kubernetes).

Skills

Linux System Admin

Bash scripting

Automation tools

Cloud platforms

Containerization

Monitoring tools

ITIL processes

Ticketing tools

Education

B.Tech./B.E./B.Sc./MCA

Tools

YUM/DNF

Spacewalk

Satellite

Ansible

Puppet

Chef

Docker

Kubernetes

VMware

Hyper-V

Job description

Select how often (in days) to receive an alert: Create Alert

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization,

We are currently seeking a Linux System administator to join our team in Bangalore, Karnātaka (IN-KA), India (IN).

Job Description:

• Educational Qualification:
  Must be a graduate (B. Tech/B.E./B.Sc./MCA or equivalent).
• Experience:
  3 to 7 years of experience as a Linux/Unix System Administrator in enterprise environments.
• Strong understanding of Linux OS (RHEL, CentOS, Rocky, Ubuntu, SUSE).
• Ability to handle day-to-day administration tasks including user management, file systems, process management, performance tuning, and log analysis.
• Experience with system hardening and security best practices.
• Patching & Lifecycle Management:
• Hands‑on experience with Linux OS patching, vulnerability remediation, and compliance (e.g., using tools like YUM/DNF, Spacewalk, Satellite, Landscape, or similar).
• Awareness of security benchmarks (CIS, STIG) is desirable.
• Automation & Scripting:
• Proficiency in shell scripting (Bash) is required.
• Exposure to automation tools such as Ansible / Puppet / Chef is highly desirable.
• Basic knowledge of Python scripting is a plus.
• Cloud & Virtualization:
• Basic working knowledge of cloud platforms (AWS / Azure / GCP) and Linux workloads in cloud environments.
• Understanding of virtualization technologies (VMware, KVM, Hyper‑V).
• Containers & DevOps Exposure:
• Familiarity with containerization technologies (Docker, Podman) and basic understanding of Kubernetes/OpenShift.
• Exposure to CI/CD pipelines and DevOps practices is an added advantage.
• Monitoring & Observability:
• Experience with monitoring tools such as Nagios, Zabbix, Prometheus, Grafana, or similar.
• Ability to analyze system performance and troubleshoot issues proactively.
• Strong troubleshooting skills to resolve system outages, performance issues, and incidents within SLA.
• Experience in handling production incidents and root cause analysis (RCA).
• Hands-on experience in Linux system installation, configuration, and upgrades.
• UNIX Variants (Optional):
• Knowledge of other UNIX flavors like AIX, Solaris, HP‑UX is an added advantage.
• ITSM & Process Compliance:
• Well-versed with ITIL processes (Incident, Problem, Change, Service Requests).
• Experience with ticketing tools like ServiceNow, Remedy, JIRA Service Management.
• Certifications:
• RHCE / RHCSA / LFCS / Cloud certifications (AWS/Azure) preferred.
• Soft Skills:
• Excellent written and verbal communication skills.
• Strong collaboration skills and ability to work in cross-functional teams.
• Quick learner with adaptability to new tools and technologies.
• Positive attitude, ownership mindset, and customer-focused approach.

Years of Experience:

• 3 to 7 Years

Work Timings:

• Willingness to work in rotational shifts with a 24x7 support model, including on‑call support.

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise‑scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start‑up partners.NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in‑office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com, @nttdatafed.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, https://us.nttdata.com/en/contact-us .

NTT DATA endeavors to make https://us.nttdata.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at https://us.nttdata.com/en/contact-us . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.