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Job description
Location: Mohali, India
About XenonStack XenonStack is the fastest-growing Data and AI Foundry for Agentic Systems, enabling enterprises to gain real-time and intelligent business insights. We innovate through:
ElixirData
ElixirClaw
ElixirHub Our mission is to accelerate the world's transition to AI + Human Intelligence by building enterprise-ready platforms, supported by a secure, reliable and scalable IT infrastructure. The Opportunity We are seeking an experienced Technical System Administrator with 3+ years of expertise in IT systems, networks and helpdesk support. You will be responsible for the reliability, security and performance of the computer systems, servers and networks that power XenonStack's operations. This role is ideal for candidates who enjoy problem-solving, infrastructure optimisation and hands-on support, while also mentoring IT support staff and implementing IT best practices. Key Responsibilities System & Network Administration
Monitor and maintain company servers, networks and endpoints.
Configure, upgrade and install hardware and software to meet business needs.
Implement IT security protocols and ensure policy compliance. Helpdesk & User Support
Provide Tier-1 and Tier-2 support for hardware, software and connectivity issues.
Create and manage user accounts, access controls and permissions.
Design and maintain feedback and error-reporting systems for end users. Troubleshooting & Maintenance
Run diagnostics and debug system issues for smooth operations.
Resolve network outages, performance bottlenecks and security threats.
Maintain IT documentation, backup policies and disaster-recovery procedures. Data Management & Security
Ensure data is backed up regularly, archived securely and retrievable in emergencies.
Support data-recovery operations as needed.
Stay current with cybersecurity best practices and emerging threats. Team & Process Management
Supervise, mentor and guide IT support staff.
Document IT processes, configuration changes and incident logs.
Continuously improve IT systems and recommend new tools or processes. Location Mohali, Punjab (Office) · Full time, Permanent ·
Experience: 3 – 7 years · Openings: 1 Requirements Must-have
Bachelor's degree in Information Technology, Computer Science or a related field.
3+ years as a System Administrator, IT Administrator or similar role.
Strong knowledge of Windows/Linux server environments, networking (LAN/WAN) and cloud fundamentals.
Hands-on experience with system security, firewalls and access control.
Strong problem-solving and troubleshooting skills.
Excellent interpersonal, communication and documentation abilities. Good-to-have
Familiarity with cloud services (AWS, Azure, GCP).
Virtualisation and containers (VMware, Hyper-V, Docker/Kubernetes).
Automation/scripting in Bash, PowerShell or Python.
Certifications such as CompTIA Network+, Security+, Microsoft Azure Administrator or RHCSA. Key Skills Server Administration, Linux Server, Firewall Management, System Administration, Server Monitoring, Ubuntu, User Management, Disk Management, Mail Server, Antivirus Management, File Server, Server Configuration, Network Management, DHCP Server, VPN Server Benefits Why Join Us?
Work closely with leadership – partner with IT and operations leadership on infrastructure for scaling AI systems.
High-impact role – a critical part in global operations, uptime and security.
Career growth – progress into IT Manager, Infrastructure Architect or Security Engineer roles.
Global exposure – collaborate with teams supporting enterprise clients and multi-region operations.
Culture of excellence – deliver impact with autonomy.
Responsible AI first – build secure, reliable IT environments for enterprise AI adoption. Our Culture We believe in shaping the future of intelligent systems, with a culture of cultivation built on bold, human-centric leadership, where deep work, simplicity and adoption define everything we do.
Agency – Be self-directed and proactive.
Taste – Sweat the details; build with precision.
Ownership – Take responsibility for outcomes.
Mastery – Commit to continuous learning.
Impatience – Move fast and embrace progress.
Customer Obsession – Always put the customer first. Product philosophy: Obsessed with Adoption – making AI agents enterprise-ready and accessible; obsessed with Simplicity – turning complex infrastructure into intuitive, reliable systems. Work Location Plot No. C-184, STPI, Hall No. 603, 6th Floor, Sector 75, Industrial Area Phase 8A, Mohali (SAS Nagar), Punjab 160071 talent@xenonstack.com · www.xenonstack.com/careers
This page is for Indian job seekers preparing for cloud engineer, DevOps, backend and solutions architect roles that list AWS as a skill, whether you are a fresher with a first certification or an experienced engineer moving into a senior role. It covers 60 questions in three levels: core services and concepts, then design and configuration choices for one to three years of experience, and finally scenario, security, cost and troubleshooting questions asked in senior rounds. Read each answer, explain it aloud in your own words, and try the CLI commands in a practice account with a billing alert set.
Questions you may be asked
What is the difference between an AWS Region and an Availability Zone?
Explain the AWS shared responsibility model.
What is Amazon EC2, and how do you read an instance type name like m7g.large?
What is Amazon S3, and what are its main storage classes?
