Senior Systems Administrator - Contractor
SimpleTech
Contract
San Diego, CA
Job description
Senior Systems Administrator (Microsoft Platforms) who thrives in both worlds: deeply technical and people-savvy. You’ll manage infrastructure, lead projects, support users, and handle shifting priorities across multiple clients, all while keeping communication clear and expectations aligned.
What You’ll Actually Do
Own and support Microsoft-heavy environments: AD, Azure AD, Exchange Online, Intune (a must), SharePoint, Teams, Windows Servers
Handle day-to-day support: hardware, software, networking, etc
Maintain and troubleshoot VMware infrastructure
Manage backups (Veeam, Acronis, Datto) and run test restores
Configure and support firewalls (Sophos, SonicWall), VPNs, routing
Troubleshoot LAN/WAN infrastructure: DNS, DHCP, VLANs, switches, Wi-Fi
Implement security controls: MFA, Conditional Access, Defender
Lead projects: migrations, onboarding, upgrades, cleanups
Write clean documentation so others aren’t guessing
Manage multiple clients and competing priorities without losing your cool
What We Are Looking For
7+ years in Microsoft environments
Experience supporting multiple clients (MSP strongly preferred)
Deep knowledge of Microsoft 365, Azure AD, Windows Server, Intune
VMware proficiency
Solid networking fundamentals (VLANs, firewalls, wireless)
Clear communicator with users and decision-makers
Organized, self-managed, and flexible
Degrees and Certs? Nice, but Not Required
Doesn't matter where (or if) you went to school. The knowledge is everywhere now GPT, YouTube, Google. What matters is that you know how to solve problems, find answers fast, and get things done. We don't expect you to memorize every command, we expect you to know how to look it up and execute confidently.
The Details
1099 contractor – no benefits, but flexibility and up to $15k/month
10–40 hours/week, mostly during business hours
Onsite work required, San Diego-based clients
Long-term engagement for the right person
Must Reside in San Diego Metro - no relocation or remote
If you’re great with tech and people and want freedom, not micromanagement, reach out.
Job Type: Contract
Pay: $55.00 - $115.00 per hour
Expected hours: 10.0 – 40.0 per week
Benefits:
- Flexible schedule
Compensation Package:
- 1099 contract
Application Question(s):
- Do you live in the San Diego metro area?
- Do you currently have a full time job?
- What's your desired HOURLY rate? (not a salary position)
- What's your level of experience with Entra and Intune?
- What's your level of experience with Sonicwall?
- What time is on time?
Work Location: Hybrid remote in San Diego, CA 92121