Linux Administrator managing cloud infrastructure for WPspace, providing monitoring, support, and automation tasks. Working in a dynamic environment to ensure optimal performance and innovation.
About the role
- Systems & Network Administrator at Cytek Biosciences managing servers, networks, and security infrastructure. Hands-on role focusing on proactive infrastructure management and team collaboration.
Responsibilities
- Manage our VM environment, maintain our VPN and network infrastructure across multiple sites, and handle server provisioning and storage.
- Work closely with our Information Security Specialist on security-related infrastructure changes.
- Partner with helpdesk and business systems teams to reduce operational burden and improve service delivery.
- Administer and maintain Windows and Linux server environments, including virtual machines (VMware/Hyper-V) and cloud resources (Azure, AWS).
- Manage server provisioning, capacity planning, storage allocation, and decommissioning.
- Own backup and disaster recovery processes, including regular validation and testing.
- Monitor system health, performance, and availability; resolve issues before they become outages.
- Manage and troubleshoot LAN/WAN, Wi-Fi, VPN (Cisco AnyConnect), DNS, DHCP, and switching infrastructure.
- Support multi-site connectivity between Fremont, Seattle, and international offices.
- Handle network access requests, VPN setup, and connectivity issues as an escalation point from the helpdesk.
- Maintain and document network topology, configurations, and access controls.
- Implement firewall and network changes as directed by the Information Security Specialist.
- Administer Active Directory, Group Policy, and user account lifecycle (provisioning, changes, deprovisioning).
- Manage DUO MFA enrollment and troubleshooting in coordination with the Information Security Specialist on policy configuration.
- Support onboarding and offboarding processes from an infrastructure and access perspective.
- Apply OS and firmware patches to servers, network devices, and infrastructure components on schedules defined in coordination with the Information Security Specialist.
- Maintain patching documentation and change logs.
- Coordinate maintenance windows with stakeholders to minimize business disruption.
- Serve as Tier 2/3 escalation for infrastructure-related helpdesk tickets.
- Reduce reactive ticket volume by implementing monitoring, automation, and self-service solutions.
- Document infrastructure environments, runbooks, and standard operating procedures.
- Partner with business systems team on integration points (NetSuite, Salesforce, Propel) where infrastructure supports application performance.
- Support the Information Security Specialist during incident response by providing infrastructure access, logs, and system-level remediation as needed.
Requirements
- 10 years of experience in systems administration, network administration, or a combined infrastructure role
- Strong hands-on experience with Windows Server, Active Directory, and Group Policy
- Experience managing virtualization platforms (VMware, Hyper-V) and cloud environments (Azure and/or AWS)
- Solid networking fundamentals — TCP/IP, DNS, DHCP, VPN, switching, and Wi-Fi
- Familiarity with backup and disaster recovery tools and practices
- Ability to manage infrastructure across multiple physical sites
- Strong troubleshooting skills and a bias toward documenting solutions
- Comfortable working in a small IT team where you'll need to be both strategic and hands-on
- Nice to Have: Experience in a life sciences, biotech, or regulated environment
- Nice to Have: Scripting skills (PowerShell, Bash, Python) for automation
- Nice to Have: Experience with Docker or containerized environments
- Nice to Have: Any relevant certifications (CCNA, CompTIA Network+, Microsoft, AWS/Azure)
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