Senior Systems Administrator (Onsite – East Valley, AZ)
Location: East Valley, Maricopa County, AZ
Employment Type: Full-Time, Onsite
Industry: Managed Service Provider (MSP)
Compensation: $35 – $45 per hour (DOE) + benefits
About the Role
A growing Managed Service Provider (MSP) in the East Valley is seeking a skilled and motivated Senior Systems Administrator to join our team. This position is ideal for a hands-on IT professional who thrives in dynamic environments, enjoys working directly with clients, and can confidently manage complex systems across multiple businesses.
You’ll be responsible for supporting and optimizing a wide range of client infrastructures—including servers, networks, and cloud environments—while providing leadership to junior technical staff and ensuring high-quality service delivery. Strong usage of SonicWall Firewalls for all client site security; must have hands on, upper level experience with SonicWall.
Key Responsibilities
- Administer and support Windows and Linux servers, virtualization platforms, and network systems.
- Manage Microsoft 365, Azure AD, and related identity management services.
- Oversee backup, disaster recovery, and business continuity implementations.
- Monitor and maintain system performance across multiple client environments.
- Configure and manage switches, firewalls, and wireless networks (SonicWall, Meraki, Ubiquiti, Fortinet, etc.).
- Lead client onboarding, infrastructure assessments, and project rollouts.
- Serve as an escalation point for Tier 1 and Tier 2 support technicians.
- Maintain thorough documentation within RMM and PSA systems.
- Deliver exceptional customer service and maintain strong client relationships.
Required Qualifications
- 5–7+ years of experience as a Systems Administrator or similar IT role (MSP experience strongly preferred).
- Advanced knowledge of Microsoft Windows Server and virtualization (VMware or Hyper-V).
- Solid understanding of networking, including VLANs, VPNs, routing, and firewalls.
- Experience with Microsoft 365, Azure, and Exchange administration.
- Proficiency with RMM/PSA tools (e.g., ConnectWise, NinjaOne, Datto, or similar).
- Strong troubleshooting skills and ability to multitask across environments.
- Excellent communication and documentation habits.
- Valid driver’s license and reliable transportation (onsite client work required).
Preferred Qualifications
- Industry certifications such as CompTIA Network+, Security+, Microsoft Certified: Azure Administrator, or CCNA.
- Experience with scripting and automation (PowerShell, Bash, or Python).
- Familiarity with cybersecurity best practices and compliance frameworks (NIST, CIS, HIPAA).
Compensation and Benefits
- Hourly Pay: $35 – $45 per hour, depending on experience
- Medical coverage
- Paid Time Off (PTO) and Sick Time
- Certification reimbursement and ongoing professional development opportunities
- Supportive, team-oriented culture with an emphasis on work-life balance
Job Type: Full-time
Pay: $35.00 - $45.00 per hour
Benefits:
- Dental insurance
- Flexible schedule
- Health insurance
- Paid time off
- Professional development assistance
- Vision insurance
Experience:
- RMM: 5 years (Required)
- IP networking: 5 years (Required)
- Information security: 5 years (Required)
Ability to Commute:
- Tempe, AZ 85281 (Required)
Work Location: Hybrid remote in Tempe, AZ 85281
