Sr. System Administrator - Qualispace (Airoli)

Job Information - Industry IT Services - Salary None - Date Opened 06/03/2026 - Job Type Technical Support - Work Experience 4-8 years - City Airoli, Navi Mumbai - State/Province Maharashtra - Country India - Zip/Postal Code 400708 Job Description What we want: We are looking for an experienced Senior System Administrator to lead our IT & cloud infrastructure initiatives and manage a team of systems engineers. The ideal candidate will have strong technical expertise in Linux/Windows ecosystems, hands-on experience in public cloud architecture, DevOps practices, and excellent leadership and communication abilities.This role involves working closely with cross-functional teams, including Sales, to support technical solutioning for cloud opportunities. Who we are: Vertoz (NSEI: VERTOZ), an AI-powered MadTech and CloudTech Platform offering Digital Advertising, Marketing and Monetization (MadTech) & Digital Identity, and Cloud Infrastructure (CloudTech) caters to Businesses, Digital Marketers, Advertising Agencies, Digital Publishers, Cloud Providers, and Technology companies. QualiSpace: QualiSpace by Vertoz (NSE: VERTOZ) is a premier cloud Solutions and infrastructure provider, delivering all-encompassing web presence solutions. Their offerings include Cloud Servers, Web Hosting, Advanced Enterprise Email solutions, Security Certificates, and more. Catering to 8000+ small and medium businesses. (qualispace.com) What you will do: - Lead, mentor, and manage the systems administration team; oversee task planning, performance evaluation, and skills development. - Design, implement, and maintain scalable & secure cloud infrastructure on platforms such as AWS, Azure, GCP. - Collaborate with Sales/Pre-Sales teams to develop cloud solutions, deliver technical presentations, and contribute to RFP/RFQ responses. - Administer and maintain Linux & Windows-based servers, ensuring system availability, security, and performance. - Implement Infrastructure-as-Code (IaC), configuration management, and automation using tools such as Ansible, Terraform, Jenkins, etc. - Manage containerization and orchestration platforms like Docker & Kubernetes. - Perform capacity planning, cost optimization, resource provisioning, and infrastructure performance monitoring. - Drive security and compliance initiatives, including patching, vulnerability management, and identity & access controls. - Troubleshoot complex technical issues and provide escalation support. - Establish and maintain system documentation, SOPs, best practices, and architectural diagrams. - Manage vendor relationships and evaluate new technologies to improve systems and processes. - Coordinate DR/BCP strategies and ensure resilience of infrastructure. - Ensure adherence to ITIL/standard support processes. Requirements - 47 years of hands-on IT infrastructure experience. - Proven experience designing/implementing cloud architectures on AWS / Azure / GCP. - Pre-sales knowledge including solutioning, PoCs, proposal documentation, and client technical discussions. - Strong expertise in: - Linux & Windows server administration - Networking fundamentals (DNS, VPN, Firewalls, Load Balancers, Routing) - CI/CD tools (Jenkins, GitLab CI, etc.) - Configuration management & scripting (Ansible, Shell, Python, PowerShell) - Containerization & orchestration (Docker, Kubernetes) - Understanding of virtualization platforms (VMware, Hyper-V, Proxmox, etc.). - Strong troubleshooting, system analysis, & problem-resolution skills. - Excellent verbal & written communication skills. - Strong leadership, interpersonal, and people management skills. - Degree: Bachelors or Masters in Engineering, Computer Science, IT, or equivalent. - Preferred Certifications (Any or Multiple) - Cloud certifications (AWS/Azure/GCP) are a strong advantage. - DevOps/Automation certifications preferred. - Experience in cost-effective cloud architecture design. - Exposure to monitoring technologies (Prometheus, Grafana, Zabbix, Datadog, etc.) Benefits - No dress codes - Flexible working hours - 5 days working - 24 Annual Leaves - International Presence - Celebrations - Team outings .