Senior Systems Administrator IT Engineer

This hands-on infrastructure engineering role administers Linux and Windows servers, cloud platforms, virtualization, networking, identity, storage, backups, endpoints, automation, and cybersecurity systems while providing Tier 2/3 desktop engineering support.

Responsibilities

• Design, administer, maintain, and improve enterprise infrastructure
• Administer RHEL and Ubuntu servers
• Manage VMware vCenter, Proxmox, AWS, and Google Cloud Platform infrastructure
• Administer Google Workspace, Microsoft 365, SSO, and MFA
• Administer wireless, VPN, DNS, DHCP, firewall, network segmentation, and certificate services
• Support enterprise storage, backups, disaster recovery, and business continuity
• Develop Bash and Python automation scripts
• Monitor infrastructure performance, availability, capacity, reliability, and security
• Create architecture diagrams, configuration standards, procedures, inventories, and documentation
• Implement secure configurations across infrastructure and endpoint platforms
• Administer and monitor EDR platforms
• Perform vulnerability remediation, hardening, patch management, and security reviews
• Enforce least-privilege access and identity lifecycle management
• Investigate security alerts, phishing incidents, endpoint threats, and suspicious activity
• Assist with incident response, audits, evidence collection, policies, and compliance initiatives
• Provide Tier 2/3 support for Windows and macOS endpoints
• Manage onboarding, offboarding, device provisioning, imaging, software deployment, and hardware lifecycle
• Administer endpoint management platforms
• Troubleshoot operating systems, applications, networking, VPN, authentication, and hardware issues
• Maintain desktop deployment standards, support procedures, knowledge base articles, and user documentation

Requirements

• Minimum 10 years of experience in systems administration, infrastructure engineering, or enterprise IT
• Significant hands-on desktop engineering and Tier 2/3 end-user support experience
• Experience designing, deploying, administering, securing, and supporting enterprise infrastructure
• Experience administering Linux, Windows, and macOS
• Experience with Google Workspace, AWS and/or Google Cloud Platform, virtualization platforms, enterprise networking, endpoint management, SSO, and MFA platforms
• Strong understanding of TCP/IP, DNS, DHCP, VPNs, VLANs, Wi-Fi, routing, firewalls, SSL/TLS certificates, and secure remote access
• Experience with enterprise storage, backup, disaster recovery, and business continuity
• Experience with endpoint security, EDR, patch management, hardening, vulnerability remediation, encryption, and compliance
• Working knowledge of Bash and Python scripting
• Understanding of Zero Trust, least privilege, defense in depth, identity and access management, secure configuration management, vulnerability management, incident response, and data protection
• Strong troubleshooting, analytical, and problem-solving skills
• Excellent written and verbal communication skills
• Ability to prioritize work, manage multiple projects, and collaborate in a fast-paced startup environment

Benefits

• Performance-based incentives
• Equity participation
• Medical coverage
• Dental coverage
• Vision coverage
• Paid time off
• Flexible work arrangements