Senior Systems Administrator (6006) at Shield AI in Bangalore

Job description

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI’s technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube. What You'll Do • Administer, maintain, and optimize enterprise Windows, Linux, and macOS systems supporting corporate business operations. • Design, implement, configure, and support enterprise infrastructure including cloud services, identity management, endpoint management, collaboration platforms, and core IT systems. • Analyze system performance, availability, and operational metrics to proactively improve reliability, scalability, and security. • Administer Active Directory, Azure AD/Entra ID, Group Policy, authentication services, and role-based access controls. • Deploy, maintain, and support endpoint management platforms including Microsoft Intune, JAMF, and related management technologies. • Plan and execute infrastructure upgrades, migrations, patch management, and lifecycle replacement initiatives. • Lead technical implementation of enterprise IT projects while coordinating with Infrastructure, Security, Networking, and business stakeholders. • Troubleshoot complex infrastructure, operating system, cloud, and application issues using root cause analysis methodologies. • Support LAN/WAN connectivity, DNS, DHCP, VPN, and network-related troubleshooting in partnership with networking teams. • Develop automation using PowerShell, Bash, or similar scripting languages to improve operational efficiency and reduce manual administration. • Maintain accurate system documentation, architecture diagrams, operational procedures, and knowledge base articles. • Manage enterprise hardware and software assets throughout their lifecycle including procurement, deployment, maintenance, and decommissioning. • Participate in incident response, change management, disaster recovery planning, and business continuity activities. • Participate in an on-call rotation and perform scheduled maintenance outside normal business hours as required. • Mentor junior administrators and provide technical guidance across the Enterprise IT organization. Required Qualifications • Bachelor’s degree in information technology, Computer Science, or equivalent practical experience. • 5+ years of progressively responsible experience administering enterprise IT infrastructure and systems. • Strong experience supporting Windows, Linux, and macOS operating systems within enterprise environments. • Advanced knowledge of Microsoft Active Directory, Azure AD (Entra ID), Group Policy, DNS, DHCP, and identity management. • Experience administering Microsoft 365 services including Exchange Online, Teams, SharePoint, and Intune. • Experience managing endpoint platforms such as JAMF, Intune, or Microsoft Endpoint Manager. • Working knowledge of networking fundamentals including TCP/IP, routing, VPN, DNS, firewalls, and network troubleshooting. • Experience supporting enterprise cloud infrastructure and SaaS platforms. • Strong troubleshooting, analytical, and root cause analysis skills across operating systems, infrastructure, and enterprise applications. • Experience implementing system upgrades, migrations, and enterprise infrastructure projects. • Experience with scripting and automation using PowerShell, Bash, or similar tools. • Excellent written and verbal communication skills with the ability to work effectively across technical and non-technical teams. • Ability to manage multiple priorities while maintaining high operational standards. • Willingness to participate in an on-call rotation and support planned maintenance activities. Preferred Qualificat