IT Infrastructure Engineer
Spheros Environmental · Petaluma, CA · 5 days ago
Information Technology$120k–$145k/yrFull-time
Position Summary
We are seeking an experienced Infrastructure Engineer to focus on three core areas: resolving advanced ticket escalations, supporting networking across our locations, and managing our endpoint and email security stack. This role is reserved for someone who brings a customer-service-oriented approach to every staff interaction.
Key Qualifications
- Deliver excellent support with a customer-first approach to ticket ownership, communication, and follow-through.
- Administer SentinelOne and KnowBe4 Defend.
- Support Cisco switching in datacenter and Unifi stack in small offices.
- Perform incident response, threat hunting and remediation, and phishing investigations.
- Improve Help Desk efficiency by documenting procedures, writing KB guides, and identifying opportunities for automation and process improvement.
- Support general IT infrastructure both on-prem and in Azure.
Key Technologies
- Entra
- Intune
- Veeam
- VMware vCenter
- Windows Server
- Azure Files
- Cisco switching
- Unifi stack
- Cloudflare One
- SentinelOne
- KnowBe4 Defend
Qualifications
- 8+ years of progressive IT support, systems administration, endpoint management, and infrastructure experience in a Microsoft 365 environment.
- Must have: Good writing and documentation skills.
- Must have: Fluency in SentinelOne, Microsoft Defender for Endpoint, and KnowBe4 Defend.
- Proven track record of Cisco administration.
- Working knowledge of Cloudflare WARP / Zero Trust concepts, Windows Server, Active Directory, VMware vCenter, Veeam, Azure Files, and Microsoft 365.
- Nice to have: Basic Linux system administration experience.
- Nice to have: History of AWS EC2 and Elastic deployment projects.
- Nice to have: Working knowledge of Jira or similar tools.