Systems Administrator - Senior

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., * 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.

• 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).

Pulled from the full job description

• Professional development assistance
• Health insurance
• Paid time off
• Vision insurance
• Dental insurance
• Flexible schedule, * 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