Ai jobs in United States

ROLE SUMMARY

The Systems Administrator plays a critical role in maintaining and securing the IT infrastructure that supports Firmus’ business operations across regional offices. Reporting directly to the Chief Technology Officer (CTO), this position is responsible for the day-to-day administration of servers, network systems, endpoints, cloud services, and enterprise platforms. The role requires a strong hands-on background in system administration, hybrid Active Directory environments, cybersecurity enforcement, and end-user support. The Systems Administrator also contributes to strategic technology initiatives, including infrastructure modernisation, security posture improvements, and operational efficiency projects. This position demands a proactive, detail-oriented individual with the ability to manage complex systems, provide high-quality support, and collaborate effectively across departments and with external vendors.

KEY RESPONSIBILITIES

• Administer and maintain Corporate IT infrastructure across regional offices (e.g. Singapore and Australia), including Windows/Linux servers, virtual instances (Hyper-V, VMware, Proxmox), network equipment, and storage systems.
• Deploy, configure, and manage enterprise platforms such as Microsoft 365, Intune, Azure AD, and Hybrid Active Directory; ensure synchronisation, group policies, and role-based access control are consistently enforced.
• Oversee and support security and access systems, including Milestone VMS servers and Inner Range access control infrastructure.
• Implement and enforce cybersecurity solutions using Palo Alto Prisma Access, Cortex XDR, MFA, and vulnerability management practices.
• Support system backup operations and disaster recovery using Veeam, including scheduled testing and verification.
• IT onboarding and offboarding process for staff, including account provisioning/deactivation, device issuances/returns, and access rights review.
• Administer collaboration and communication platforms, including managing user access, integration, and policy controls in Slack.
• Maintain an accurate IT asset inventory and oversee software licensing compliance (e.g., Microsoft, Adobe, Autodesk).
• Enforce endpoint compliance, application controls, and security policies using Microsoft Intune across Windows, macOS, and mobile devices.
• Provide end-user support through the IT Service Desk using Jira Service Management (JSM), ensuring efficient resolution of service tickets and escalations.
• Monitor infrastructure health using observability and centralised logging tools, including experience working with SIEM platforms to detect and respond to threats.
• Lead and contribute to IT improvement projects, driving alignment with industry best practices and organisational goals.
• Maintain comprehensive technical documentation, including system configurations, SOPs, and security audit trails.
• Collaborate with cross-functional teams and external vendors to deliver secure and efficient IT services across the organisation.

SKILLS AND EXPERIENCE

• 3 to 5 years of experience in a Systems Administrator role or similar.
• Bachelor’s Degree in Computer Science.
• Strong foundation in IT operations.
• Proven experience managing enterprise IT infrastructure, including servers, endpoints, network devices, and virtualisation platforms (Hyper-V, VMware, Proxmox).
• Skilled in supporting hybrid environments with Microsoft 365, Azure AD, and Intune for cloud identity and endpoint management.
• Understanding of corporate network architecture, WAN setup, and multi-site connectivity.
• Practical experience maintaining high system availability, performance tuning, and proactive monitoring.
• Proficient in implementing and maintaining security tools such as Palo Alto Prisma Access, Cortex XDR, and MFA enforcement.
• Experienced with backup and disaster recovery operations using Veeam.
• Strong problem-solving abilities with a track record of resolving complex technical issues efficiently.
• Familiar with Jira Service Management (JSM0 for structured IT support and service desk operations.
• Effective communicator with strong interpersonal skills, capable of working independently or as part of a cross-functional team.
• Committed to delivering reliable and responsive IT services to end-users and business units.
• Experience with vendor coordination is an added advantage.
• Willingness to travel domestically and internationally as required.

LOCATION

Singapore

EMPLOYMENT BASIS

Full-Time

At Firmus, we are committed to building a diverse and inclusive workplace. We encourage applications from candidates of all backgrounds who are passionate about creating a more sustainable future through innovative engineering solutions.

Join us in our mission to revolutionise the AI industry through sustainable practices and cutting-edge engineering. Apply now to be part of shaping the future of sustainable AI infrastructure.