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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # L2 Infrastructure & Systems Engineer in San Jose - **Company:** Energy Jobline - **Location:** San Jose, CA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Systems Engineering, JIRA, Microsoft Azure, Backup Devices, BitLocker Drive Encryption, Program Optimization, CompTIA Network+, Cyber Security, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Multi-Factor Authentication, Hyper-V, Networking Hardware, Internetworking, Virtual Private Networks (VPN), Internet Service Provider, Network Troubleshooting, Windows Servers, Networking Basics, Routing, Windows PowerShell, Server Administration, Microsoft SharePoint, TCP/IP, Virtual Local Area Networks, Virtual Machines, VMware VSphere, Software Vulnerability Management, Wide Area Networks, Backup and Restore, Wireless Networks, Software Troubleshooting, Sonicwall, Firewalls (Computer Science), Microsoft InTune, Deployment Automation, Fortinet, Veeam, Zendesk, Network Server, SentinelOne Expertise, Cisco, Servicenow, Vmware - **Published:** July 27, 2026 - **Apply:** https://www.energyjobline.com/job/l2-infrastructure-systems-engineer-san-jose-31257794 ## About the Role 3-5 years supporting enterprise IT infrastructure in a Managed Services Provider (MSP) or multi-client environment., 3-5 years of experience supporting enterprise IT infrastructure in an MSP or multi-client environment. - Strong experience with Microsoft 365 administration (Exchange Online, Teams, SharePoint, Entra ID, Intune). - Experience administering Windows Server and Active Directory environments. - Proficient in supporting VMware, Hyper-V, or Azure Virtual Machines. - Solid understanding of networking fundamentals, including DNS, DHCP, TCP/IP, VPNs, VLANs, routing, and switching. - Experience supporting firewalls such as Fortinet, SonicWall, Cisco, or similar platforms. - Familiarity with RMM and ticketing platforms (NinjaOne, ConnectWise, HaloPSA, ServiceNow, Zendesk, Jira, or equivalent). - Strong troubleshooting, analytical, documentation, and customer service skills. - Ability to manage multiple client environments and effectively prioritize work. ** Qualifications:** - Microsoft Certifications (MS-900, MS-102, AZ-104, SC Series) - VMware VCTA/VCP - Fortinet or SonicWall Certifications - CompTIA Network+ or Security+ - ITIL Foundation - PowerShell scripting experience - Experience supporting Azure, backup solutions, and cybersecurity platforms. ## Description San Jose, CA, Onsite/Hybrid-40 hours per week. (Will work at least 3 hours onsite, 4 days per week). **Technical Requirements:** - Windows Server 2016/2019/2022 - Active Directory - DNS/DHCP - Group Policy - File and Print Services - Microsoft 365 (including Exchange Online, Teams, SharePoint, OneDrive, Entra ID, Intune, and Microsoft Defender) - VMware vSphere - Hyper-V - Azure VMs - Networking equipment from Fortinet, SonicWall, Cisco, UniFi, or Aruba - NinjaOne - Windows Autopilot - SentinelOne - Multi-Factor Authentication (MFA), Conditional Access, BitLocker - Veeam and NinjaOne Backup - Remote Monitoring and Management (RMM) and ticketing platforms (such as ConnectWise, HaloPSA, ServiceNow, Zendesk, or Jira) ** Qualifications:** - Microsoft Certifications (MS-900, MS-102, AZ-104, SC series) - VMware certifications (VCTA/VCP) - Fortinet or SonicWall certifications - CompTIA Network+ or Security+ - ITIL Foundation - PowerShell scripting experience --- **Functional Requirements:** - Administer and troubleshoot Windows Server, Active Directory, DNS/DHCP, Group Policy, and file/print services - Manage Microsoft 365 environments - Support VMware, Hyper-V, and Azure VMs - Monitor server health, storage, backups, and performance - Perform server maintenance, patching, and upgrades - Troubleshoot network issues (LAN/WAN, DNS, DHCP, VPN, VLANs, wireless) and coordinate with ISPs and vendors - Deploy and manage endpoints using NinjaOne, Intune, Group Policy, and Windows Autopilot - Implement endpoint security measures (Defender, SentinelOne, MFA, Conditional Access, BitLocker) - Assist with vulnerability remediation and compliance - Monitor and troubleshoot backup solutions (Veeam, NinjaOne Backup, Microsoft 365 backup) and conduct disaster recovery testing - Resolve advanced Level 2 incidents within SLA guidelines and perform root cause analysis - Participate in infrastructure projects (Microsoft 365/Azure migrations, server deployments, firewall implementations, hardware refreshes) - Escalate complex issues to senior engineers as needed - Maintain accurate documentation - Mentor Level 1 engineers - Communicate effectively with clients, vendors, and internal teams, **Infrastructure & Systems:** - Administer and troubleshoot Windows Server (2016/2019/2022), Active Directory, DNS, DHCP, Group Policy, File Services, and Print Services. - Manage Microsoft 365 environments, including Exchange Online, Teams, SharePoint, OneDrive, Entra ID, Intune, and Microsoft Defender. - Support VMware vSphere, Hyper-V, and Azure Virtual Machines. - Monitor server health, storage, backups, and overall infrastructure performance. - Perform maintenance, patching, upgrades, and system optimization for servers. **Networking:** - Troubleshoot LAN/WAN, DNS, DHCP, VPN, VLANs, wireless networks, and internet connectivity. - Support networking environments using Fortinet, SonicWall, Cisco, UniFi, or Aruba devices. - Coordinate with ISPs and third-party vendors during outages and infrastructure changes. **Endpoint & Security:** - Deploy and manage Windows endpoints using NinjaOne, Intune, Group Policy, and Windows Autopilot. - Ensure endpoint protection through Microsoft Defender, SentinelOne, MFA, Conditional Access, BitLocker, and best security practices. - Assist with vulnerability remediation, security incidents, and compliance initiatives. **Backup & Disaster Recovery:** - Monitor and troubleshoot backup solutions such as Veeam, NinjaOne Backup, and Microsoft 365 backup platforms. - Conduct backup verification, restoration testing, and disaster recovery tests. **Incident & Project Support:** - Resolve advanced Level 2 incidents while meeting client SLA requirements. - Conduct root cause analysis for recurring issues. - Participate in infrastructure projects, including Microsoft 365 migrations, server deployments, firewall implementations, Azure migrations, and hardware refreshes. - Escalate complex issues to senior engineers when appropriate. **Documentation & Collaboration:** - Maintain accurate technical documentation and knowledge articles. - Mentor Level 1 engineers by sharing technical knowledge and documenting repeatable solutions. - Communicate effectively with clients, vendors, and internal engineering teams. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) ## Related Articles - 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