Systems and Network Administrator

Role Overview

• Administer, maintain, and support Windows and Linux server infrastructure and enterprise systems.
• Manage Active Directory, Group Policy, DNS, DHCP, file services, system access controls, and identity-related services.
• Perform system upgrades, patching, configuration changes, lifecycle maintenance, and controlled change activities for servers and core platforms.
• Monitor server health, performance, availability, and capacity, respond to alerts, and proactively address issues before service impact occurs.
• Administer and support LAN, WAN, wireless, VPN, firewall, switching, and routing infrastructure.
• Maintain Azure cloud infrastructure, including Azure virtual machines, networking, storage, identity, and security controls.
• Support and maintain Hyper-V virtualized environments and core virtual infrastructure services.
• Monitor network, cloud, and virtual infrastructure performance, availability, and security to ensure stable and reliable operations.
• Support backup, restore, backup verification, disaster recovery, and business continuity processes for critical systems.
• Provide high-level technical escalation support for infrastructure, server, network, virtualization, Linux, and cloud-related incidents.
• Work with internal departments and vendors to implement technical solutions, infrastructure improvements, and service enhancements.
• Follow change management processes for infrastructure changes, maintenance, upgrades, and planned maintenance activities.
• Maintain technical documentation, procedures, configuration records, and diagrams.
• Support security hardening, patch compliance, vulnerability remediation, access reviews, compliance activities, and continuous improvement initiatives.

Requirements

• Bachelor’s degree in Information Technology, Systems Administration, Computer Science, or a related field preferred.
• 3+ years’ experience in systems, network, or infrastructure administration.
• Experience in Microsoft 365 and Azure administration.
• Relevant technical certifications
• Experience administering Active Directory, Group Policy, DNS, and DHCP.
• Strong IT hardware, operating system, and infrastructure troubleshooting experience.
• Experience administering Windows server environments and supporting core enterprise systems.
• Experience with Microsoft 365, Azure administration, Azure virtual machines, and identity-related services.
• Experience supporting VPN, firewalls, switches, wireless infrastructure, and core network services.
• Experience with virtualization technologies, including Hyper-V.
• Experience with backup and recovery solutions, system monitoring tools, patching, and infrastructure lifecycle maintenance.
• Experience administering Linux server environments.
• Experience with scripting and automation, preferably PowerShell and basic Linux shell scripting.
• Experience with SAN/NAS and performance tuning.

Tech Stack

• Azure
• Cloud
• DNS
• Firewalls
• Linux
• Shell Scripting
• Switching

Benefits

• Remote Work Practices: Cogstate is a virtual first company. Cogstate employees can work from anywhere where Cogstate is registered to business within the United States, Australia, or the United Kingdom!
• Generous Paid Time-off: Cogstate employees receive 20 days of vacation leave, 10 days of personal leave and 10 paid public holidays.
• 401(k) Matching: As you invest in yourself and your future, Cogstate invests in you too: we match up to3% of your yearly salary in Cogstate’s 401k program.
• Competitive Salary: We offer competitive base salaries plus additional earning opportunities based on the position.
• Health, Dental & Vision Coverage: We've invested in comprehensive health & dental insurance options with competitive company contributions to help when you need it most. We also offer free vision insurance for all full-time employees.
• Short-Term & Long Term Disability Life Insurance: 100% employer sponsored
• Pre-Tax Benefits: Healthcare and Dependent Care Flexible Spending Accounts
• Learning & Development Opportunities: Cogstate offers a robust learning program from mentorships to assistance with programs to improve knowledge or obtain certifications in applicable areas of interest.