Senior Systems Engineer / Level 3 Engineer

People 1st IT•San Francisco, CA

34d•$120,000 - $145,000•Hybrid

About The Position

People 1st IT is seeking an experienced Level 3 Engineer / Senior Systems Engineer for a senior technical role in a managed services environment. The position focuses on project implementation, infrastructure improvements, migrations, advanced troubleshooting, and technical escalations. Work is approximately 75% remote and 25% onsite at client locations in the San Francisco Bay Area, as projects or client situations require. The engineer will own complex technical projects from planning through implementation, work directly with clients, coordinate with vendors, document client environments, and provide escalated technical support to other technicians. The role requires evaluating existing environments, creating implementation plans, coordinating resources, executing and testing solutions, documenting work, and handing completed projects off to the support team.

Requirements

Several years of senior-level IT infrastructure experience, preferably within an MSP environment.
Strong troubleshooting skills across servers, cloud platforms, networks, and endpoints.
Ability to independently manage technical projects with limited supervision.
Strong understanding of MSP operations and multi-client environments.
Comfort working directly with executives, managers, vendors, and client IT contacts.
Strong written and verbal communication skills.
Excellent documentation and organizational skills.
Ability to prioritize multiple client projects and technical issues simultaneously.
Reliable transportation and ability to occasionally travel to client locations in the Bay Area.
Strong experience with several relevant technologies, such as Microsoft 365 administration, Microsoft Entra ID / Azure AD, Exchange Online, SharePoint and OneDrive, Microsoft Teams, Windows Server, Active Directory / Group Policy / DNS / DHCP, Microsoft Azure, Hyper-V and/or VMware, Microsoft Intune / endpoint management, firewalls and networking, Ubiquiti / UniFi, VoIP, backup and disaster recovery platforms, endpoint security / EDR, remote monitoring and management platforms, MSP documentation and ticketing systems, and domain, DNS, SSL, and certificate management.
Ability to independently complete infrastructure projects such as Microsoft 365, server, Active Directory, file server, SharePoint, tenant-to-tenant, or cloud migrations; office relocations and new-site deployments; firewall, network, or Wi-Fi deployments; backup and disaster recovery implementations; infrastructure upgrades; and security and identity improvements.

Nice To Haves

Experience in an MSP environment.

Responsibilities

Plan and execute client IT infrastructure projects from beginning to completion.
Lead Microsoft 365 migrations, tenant configuration, and related cloud projects.
Design, deploy, migrate, and troubleshoot Windows Server and Active Directory environments.
Implement and support Microsoft Entra ID, Microsoft 365, Exchange Online, SharePoint, Teams, and OneDrive.
Perform server migrations, upgrades, virtualization projects, and infrastructure modernization.
Design and troubleshoot networks, including firewalls, switches, wireless infrastructure, VLANs, VPNs, and site-to-site connectivity.
Deploy and maintain backup and disaster recovery solutions.
Perform advanced troubleshooting and serve as an escalation point for Level 1 and Level 2 technicians.
Perform client infrastructure assessments and recommend technical improvements.
Coordinate with third-party vendors, ISPs, software providers, and other technology partners.
Maintain accurate technical documentation, diagrams, credentials, configurations, and project notes.
Create implementation plans, migration plans, and project documentation.
Communicate technical issues and recommendations clearly to technical and nontechnical client contacts.
Participate in onsite client work throughout the Bay Area.
Assist with critical incidents and complex technical issues when necessary.