Senior IT Infrastructure Lead – Networking & Systems

Mytra; Brisbane (CA); On-site; USD 136,000 - 160,000; Full time

Benefits offered by this job

Fully subsidized health coverage

401(k) and life insurance

Onsite gym and showers

Job summary

Mytra is seeking a Senior IT Infrastructure Specialist to lead design, deployment, and operation of our core networks, systems, and physical security infra across HQ, lab, and manufacturing spaces. You will own VPNs, DNS, cloud services, and backup strategies in a fast-scaling environment.

The role demands hands-on expertise (7+ years in IT infra, 3+ in senior lead roles), strong ownership, and clear communication.

Qualifications

• 7+ years in IT infrastructure with 3+ years in a senior/lead capacity.
• Experience designing and operating enterprise networks (switching, routing, VLANs, firewalls, wireless, VPN).
• Deep systems knowledge across identity/directory services, backup and recovery, DNS, and AWS.
• Experience with physical security infrastructure, including access control/badging and camera networks.
• Ability to document infrastructure clearly and drive root-ccause resolution; strong ownership and communication.

Responsibilities

• Own design and deployment of Mytra's core network (LAN/WLAN, switching, routing, firewalls, VPN, ISP relationships).
• Own systems infrastructure including identity services, backup/recovery, and cloud/DNS architecture.
• Own physical security backbone, including access control and surveillance networks.
• Lead infrastructure projects from requirements through vendor evaluation, procurement, and implementation.
• Design for reliability and resilience; define standards enforced by Cybersecurity; serve as senior escalation point.

Skills

Enterprise networking

Identity & Directory Services

Backup & Recovery

DNS & Cloud (AWS)

Physical security infra

Project leadership

Automation / IaC

Tools

CCNA/CCNP certifications

Job description

Mytra is seeking a Senior IT Infrastructure Specialist to lead design, deployment, and operation of our core networks, systems, and physical security infra across HQ, lab, and manufacturing spaces. You will own VPNs, DNS, cloud services, and backup strategies in a fast-scaling environment.

The role demands hands-on expertise (7+ years in IT infra, 3+ in senior lead roles), strong ownership, and clear communication.