System Administrator
First seen by Alion on Oct 3, 2026.
Job Summary:
Company is seeking a hands-on IT Infrastructure Manager to own and manage the end-to-end
lifecycle of the company's internal technology infrastructure. This role will focus on managing
the internal technology ecosystem that supports our engineering and product teams, ensuring
developers have access to high-performance hardware, a secure and reliable office network,
and seamless access to essential tools and systems.
This position is distinct from the Cloud and DevOps function. The IT Infrastructure Manager will
be responsible for managing the physical and internal virtual infrastructure that supports the
day-to-day operations of the organisation and the productivity of the development teams.
Key Responsibilities:
. Manage the procurement, provisioning, maintenance, and retirement of developer
workstations, primarily Windows-based systems, while maintaining a comprehensive inventory of IT assets.
. Oversee internal Linux development servers in on-premise or hybrid environments and
manage virtualization resources using VMware to support development and testing environments.
. Maintain and optimize office networking infrastructure including firewalls, routers, switches,
and wireless access points to ensure secure and high-performance connectivity.
. Ensure secure VPN access and reliable connectivity for a distributed and global workforce.
. Act as the primary administrator for identity and access management systems including Active Directory and Google Workspace.
. Manage employee onboarding and offboarding processes by ensuring timely and secure provisioning or revocation of system access.
. Implement and monitor endpoint security solutions including Endpoint Detection and Response (EDR) tools.
. Ensure all laptops, servers, and internal systems are patched regularly and compliant with company security policies.
. Lead the internal IT support and helpdesk function, ensuring timely resolution of employee technical issues and maintaining internal service level agreements for support requests.
. Continuously evaluate and improve internal IT infrastructure to support scalability, security, and operational efficiency.
Qualifications:
. Bachelor's degree in Information Technology, Computer Science, or a related field.
. 6+ years of experience in IT Infrastructure management, preferably within a technology or software-driven organisation.
. Strong hands-on experience managing both Linux (Ubuntu, CentOS) and Windows environments in enterprise settings.
. Deep understanding of networking concepts including TCP/IP, VLANs, firewall management, routing, and SD-WAN technologies.
. Extensive experience administering SaaS platforms such as Google Workspace and identity systems like Microsoft Active Directory or Entra ID.
. Hands-on experience managing virtualization platforms such as VMware ESXi and vCenter for internal infrastructure environments.
. Strong troubleshooting, documentation, and infrastructure management skills.
. Excellent problem-solving abilities and the capacity to support fast-growing engineering teams.
Benefits:
. Health and wellness benefits.
. Professional development opportunities and exposure to global technology products.
. Collaborative, innovative, and inclusive work environment.
. Opportunity to build and manage the internal technology backbone of a rapidly growing global software company