Senior IT Infrastructure Engineer

Job description

About Doodle Labs Doodle Labs builds the connectivity backbone of the autonomous systems revolution — resilient wireless mesh networks that let drones, robots, and unmanned platforms operate reliably in the world's most demanding environments. We sit at the intersection of defense, robotics, and next-generation autonomy, powering the machines that are changing how militaries, first responders, and industries operate in the field. Our core purpose is simple: connect anyone and anything, at any time, in any place. For over 25 years, our team has been at the forefront of mesh networking, partnering with leading defense programs, robotics manufacturers, and system integrators worldwide. The work here doesn't sit in a slide deck — it ends up in the field, in the hands of people for whom failure isn't an option. About the Role The Senior IT Infrastructure Engineer is responsible for managing and maintaining the company’s IT infrastructure, including hardware, networks, enterprise systems, and end-user support, and will play a key role in ensuring secure, reliable, and scalable IT operations across the organization. In this role, you will work closely with engineering, operations, HR, and leadership teams to support business continuity, optimize IT systems, and implement best practices in IT governance and security. This position reports to the Director of Finance and will help shape internal IT infrastructure and policies as Doodle Labs continues to scale. You will provide IT support across a globally distributed team, including users in Singapore, the United States, and Europe, requiring coordination across time zones and occasional off-hours support. This is an opportunity to build and own IT systems in a high-growth company at the forefront of wireless networking and autonomous systems. What You’ll Do Own and manage all company IT infrastructure including laptops, servers, networking equipment, and peripherals Administer and maintain network systems (LAN/WAN, VPN, firewalls, Wi-Fi) ensuring uptime, security, and performance Manage Microsoft 365 environment including Exchange, Teams, SharePoint, OneDrive, and user access controls Provide IT support to a global workforce across Asia, US, and Europe, ensuring timely resolution across time zones Develop, implement, and enforce IT policies, security standards, and compliance procedures Provide end-user IT support (onboarding, offboarding, troubleshooting hardware/software issues) Maintain IT asset inventory and lifecycle management Manage identity and access management (IAM), including permissions, MFA, and security best practices Support and optimize SharePoint for internal collaboration, document management, and workflows Monitor systems, perform regular backups, and ensure disaster recovery readiness Work with external vendors and service providers for IT procurement and support across regions Ensure cybersecurity measures are in place, including endpoint protection, patching, and vulnerability management Document IT systems, processes, and standard operating procedures Support / drive company’s initiatives to enhance AI adoption across all work functions to improve operating efficiency Recommend suitable data analytics tools and solutions to aid various work-teams in problem solving Configure and administer Active Directory, DNS, DHCP, and Group Policies to support secure, organized access across the company Manage server and virtualization infrastructure (e.g., VMware, Hyper-V) to keep internal systems reliable and scalable Configure VLANs and network segmentation to strengthen security and performance across office and remote sites Own the IT roadmap and budget, prioritizing infrastructure investments as the company scales Lead disaster recovery and business continuity planning, including regular testing of backup and failover procedures Negotiate and manage contracts with IT vendors and managed service providers to optimize cost and service levels What Success Looks Like Reliable and secure IT infrastructure with minimal downtime globally Consistent and responsive IT support Smooth onboarding/offboarding processes with strong user experience across regions Well-maintained and scalable M365 and SharePoint environments Strong enforcement of IT policies and security best practices Efficient resolution of IT issues and high internal user satisfaction Clear documentation and structured IT processes in place Who You Are 7–10+ years of experience in IT administration, systems administration, or network engineering, including experience owning infrastructure end-to-end Proven experience managing IT infrastructure in a growing, multi-region company, including ownership of the IT roadmap and budget Experience mentoring or providing technical direction to junior IT staff, contractors, or managed service providers Experience supporting distributed or global teams across different time zones Strong hands-on experience with Microsoft 365, including SharePoint and Teams administration Solid understanding of networking concepts (TCP/IP, DNS, DHCP, VPNs, firewalls) Experience with endpoint management, device provisioning, and IT asset tracking Ability to work cross-functionally with both technical and non-technical teams Excellent troubleshooting, problem-solving, and organizational skills Experience operating in fast-paced or high-growth environments Comfortable with basic scripting or automation (e.g., PowerShell, Bash, or Python) to streamline routine IT tasks Technical Skills Operating Systems: Windows Server; working knowledge of Linux (Ubuntu, CentOS, or similar) Networking: TCP/IP, DNS, DHCP, VPN, VLAN, routing & switching, Wi-Fi infrastructure, firewall management Server & Systems: Active Directory, LDAP, virtualization (VMware/Hyper-V), SAN/NAS storage, file and print servers Cloud Platforms: Microsoft 365 (required); exposure to Azure, AWS, or Google Cloud Platform a plus Scripting: PowerShell, Bash, or Python for automation of routine tasks DevOps & Automation: Docker/Kubernetes, CI/CD pipelines, Infrastructure as Code (e.g., Terraform, Ansible) Preferred Qualifications (Optional) Degree in Computer Science or Professional certifications such as Microsoft, CompTIA Network+/Security+, or equivalent Familiarity with cybersecurity frameworks and compliance standards Experience setting up ITSM frameworks, workflow automation, or self-service support systems Familiarity with identity providers (e.g., Okta, Entra ID) and infrastructure monitoring/observability tools ITIL, PMP, or equivalent IT governance or project management certification Why Join Doodle Labs Work on cutting-edge technology powering the future of autonomous systems Collaborate with engineers and innovators building industry-leading connectivity solutions Make a meaningful impact in a fast-growing company shaping the next generation of robotics and wireless networking Doodle Labs offers competitive compensation and a comprehensive benefits package built for people doing serious work. Compensation: Competitive base salary, individual and company performance bonuses, and equity Health & Wellness: Medical coverage, plus sponsored gym memberships Retirement: CPF contributions per Singapore statutory requirements Professional Development: Access to courses, certifications, and conferences Time Off: Paid time off, Singapore public holidays observed, plus a company-wide holiday shutdown from Christmas through New Year's Relocation Assistance: Available depending on role eligibility Travel Expectations (If Applicable) No travel is required for this role.