The role involves managing and optimizing large-scale Linux server infrastructures, ensuring uptime, reliability, and security while collaborating with various teams.
Job Overview :
We are seeking a Senior Linux Systems Administrator experienced in Ubuntu and Red Hat Enterprise Linux (RHEL) environments. The role involves managing and optimizing large-scale Linux server infrastructure across production and development environments, ensuring uptime, reliability, and security.
This position will closely collaborate with DevOps, Network, and Software teams to support mission-critical systems, implement automation, and streamline infrastructure management processes.
Key Responsibilities
- Manage, monitor, and maintain Ubuntu and Red Hat Linux servers (production and staging).
- Perform system upgrades, kernel updates, patch management, and performance tuning.
- Implement and manage user access, security policies, and backup/recovery strategies.
- Troubleshoot and resolve hardware, OS, and network-related issues.
- Maintain configuration management and deployment pipelines using Ansible, Puppet, or similar tools.
- Monitor system health and resource utilization; ensure optimal uptime and performance.
- Collaborate with DevOps and Cloud teams for environment provisioning (AWS, Azure, or on-prem).
- Manage server hardening, SSH configuration, SSL certificates, and OS-level security compliance.
- Participate in capacity planning, disaster recovery, and incident response activities.
- Create and maintain detailed system documentation, SOPs, and audit reports.
Required Skills & Experience
- 5+ years of hands-on experience in Linux system administration (Ubuntu & Red Hat).
- Strong command of Bash scripting and automation tools (e.g., Ansible, Terraform, Shell, or Python basics).
- Experience with monitoring tools such as Nagios, Zabbix, or Prometheus.
- Solid understanding of networking fundamentals (DNS, DHCP, NFS, SSH, firewalls).
- Experience with virtualization and containerization technologies (VMware, KVM, Docker, etc.).
- Strong troubleshooting skills with system logs, kernel issues, and service failures.
- Familiarity with version control (Git) and CI/CD pipeline environments.
- Exposure to cloud platforms (AWS, GCP, Azure) is an added advantage.
- Excellent documentation and communication skills; ability to support global teams.
Preferred Qualifications
- Red Hat Certified System Administrator (RHCSA) or Engineer (RHCE) certification.
- Experience managing high-availability clusters, load balancing, and RAID management.
- Previous experience in enterprise-scale infrastructure environments or tech product companies.
Soft Skills
- Strong ownership and accountability mindset.
- Detail-oriented with a proactive approach to issue prevention.
- Excellent communication and coordination with cross-functional teams.
- Ability to handle pressure and maintain SLAs in critical environments.
Similar Jobs
Big Data • Food • Hardware • Machine Learning • Retail • Automation • Manufacturing
Lead end-to-end test strategy and execution for the o9 EOP program and large ERP/planning transformations. Manage SIT, UAT, regression, performance testing, automation (Selenium, TOSCA), defect governance, stakeholder alignment, test reporting, and go-live readiness across global workstreams while coaching test teams and improving automation and test assets.
Top Skills:
Azure DevopsCi/CdDevsecopsHp AlmIbpJIRAO9O9 EopSAPSap IbpSap S/4HanaSeleniumTricentis ToscaZephyr
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
Support regulatory liquidity and treasury reporting by applying predefined rules and mappings, performing variance analysis and reconciliations, documenting business/functional requirements, coordinating BA/IT/testing workstreams, supporting project governance, and ensuring controls, audit readiness and remediation within regulatory change programmes.
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Own and operate virtualized IaaS platforms (KVM, VMware, OpenStack, public cloud). Lead IaC (Terraform, Packer, Ansible) and automation, maintain R&D environments, perform incident RCA, participate in on-call rotation, document processes, and improve developer experience and reliability.
Top Skills:
AIAnsibleAWSAzureBitbucketGCPGitGitlabLinuxmacOSOpenstackPackerPythonQemu/KvmTerraformVmware VcenterWindowsXen
What you need to know about the Mumbai Tech Scene
From haggling for the best price at Chor Bazaar to the bustle of Crawford Market, the energy of Mumbai's traditional markets is a key part of the city's charm. And while these markets will always have their place, the city also boasts a thriving e-commerce scene, ranking among the largest in the region. Driven by online sales in everything from snacks to licensed sports merchandise to children's apparel, the local industry is worth billions, with companies actively recruiting to meet the demands of continued growth.
