Overview: Professional Business Systems is seeking a candidate with 3-5 years of experience maintaining, optimizing, and securing IT infrastructure across multiple MSP client environments. The ideal candidate has hands-on expertise with ConnectWise, Cisco Meraki, Microsoft 365/Entra ID, and SentinelOne, combined with strong proactive monitoring habits, client communication skills, and strict process adherence.
The Systems Administrator serves as the backbone of day-to-day IT operations across our MSP client base. This role ensures the availability, performance, and security of client systems including servers, networking equipment, storage, and cloud environments across multiple distinct client environments simultaneously.
Qualifications
- 3–5 years of systems administration or infrastructure experience.
- Windows Server, Active Directory, DNS, DHCP experience.
- VMware vSphere and/or Hyper-V experience; basic networking.
- Microsoft 365, Entra ID, and backup/DR experience.
- Strong documentation, time tracking, and troubleshooting skills.
- Clear communicator with a customer-service mindset.
- MSP, ConnectWise, Cisco Meraki, SentinelOne, Datto experience preferred.
- Certifications like AZ-104, MS-102, MS-500, CCNA, Security+/Network+ preferred.
- Ability to pass a drug screen.
Responsibilities
- Maintain and monitor client servers, networks, storage, and cloud services.
- Handle patches, updates, backups, and scheduled maintenance.
- Administer AD/Entra ID, Microsoft 365, Exchange Online, and security policies.
- Manage firewalls, endpoint protection, and support compliance needs.
- Respond to alerts and resolve Tier 2/3 issues, escalating when needed.
- Track all work in tickets with accurate notes and time.
- Keep client documentation up to date.
- Communicate clearly with clients and support projects and roadmap discussions.
- Review backup, patching, and security reports and suggest improvements.
