About this role
Job Title: Senior Linux Systems Administrator (Ubuntu / Red Hat)
Location: Remote (Preferred: IST)
Employment Type: Contract Full time (4 IST Hour/Day )
Experience Required: 10+ years (Senior Level)
Department: Infrastructure & Cloud Operations
Reports To: Infrastructure Lead / DevOps Manager
Position 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.
Other facts
About Uvation
We understand that the world is already overpopulated with IT consultancies, each offering the same types of services. This is why Uvation takes the role of ‘consultant’ one step further. We don’t just want to provide clients with advice about software and hardware, but rather serve as your comprehensive and strategic IT and security partner.
Modern companies are requiring distinctive IT and security solutions within their niches. We know that meeting these unique needs, through trusted consultation and fully integrated solutions specifically tailored to your budget, is critical for businesses to scale effectively and navigate safely within an ever-transformative digital landscape.
With a physical presence across North America, the EU and the Asia Pacific, we aim to be an end-to-end company that provides transformative services to address the most pressing technology challenges through each department of our business, which we call our focus areas. To meet today’s wide scope of IT and security needs, we’ve created devoted teams and resources to focus on specific sectors like aerospace and defense, the public sector, healthcare and the nonprofit field.
Get Rewarded With Us
By partnering with Uvation, you now get more out of every purchase with Uvation Rewards. Yes, our primary focus is on the success of our clients and their communities by delivering tangible results, not vague promises. In equal measure, we want our clients to get rewarded for investing in the future of their companies and the communities in which they thrive. Every time you invest in your company with Uvation, you now earn back cloud credits, gift cards and loyalty points that can even be converted into cash donations to support the missions of some of the world’s best charities.
Contact us today for a free 30-minute consultation to see how we can provide your company with the full-stack services, innovative products, and pioneering technologies you deserve.
What you'll do
- The Senior Linux Systems Administrator will manage and optimize large-scale Linux server infrastructure, ensuring uptime, reliability, and security. The role involves collaborating with DevOps, Network, and Software teams to support mission-critical systems and implement automation.
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