Senior Systems Engineer

Requirements: At least 5 years of hands-on IT support, systems administration, or consulting experienceStrong troubleshooting skills across Windows, Microsoft 365, networks, cloud services, and endpoint devicesStrong Microsoft 365 administration experience and working knowledge of Azure and other Microsoft cloud technologiesSolid networking knowledge, including TCP/IP, routing, DNS, DHCP, VLANs, VPNs, firewalls, wireless networking, and network securityExperience supporting users and technology in professional business environmentsAbility to independently diagnose complex technical problems and own them through resolutionExcellent written and verbal communication skills, especially when working with non-technical usersStrong organization, judgment, documentation, and follow-through, with the ability to manage competing priorities across multiple clientsProactive, service-oriented approach and willingness to take ownershipCurious, dependable working style and ability to build trust, collaborate, and explain complex technology clearlyPreferred: MSP or IT consulting experience; experience with Meraki, Kaseya, or similar platforms; business support for macOS, iPhones, and iPads; familiarity with Google Workspace; additional Azure or AWS experience; experience with endpoint security and modern cybersecurity tools; or Microsoft, networking, security, or cloud certificationsEnglish proficiency preferredSan Francisco location and ability to commute to San Francisco required

Responsibilities: Serve as a primary technical resource and trusted advisor for assigned client accountsProvide responsive remote and onsite technical supportTroubleshoot and resolve escalated desktop, Microsoft 365, cloud, server, network, security, and mobile-device issuesOwn complex tickets and follow them through to resolution with minimal supervisionAdminister and support Microsoft 365, Windows, Azure, and related Microsoft technologiesSupport and troubleshoot business networks, firewalls, switches, wireless networks, VPNs, VLANs, and related infrastructureIdentify recurring problems and recommend improvements to reliability, security, and usabilityManage multiple client requests, projects, onsite visits, and priorities in a fast-paced consulting environmentMaintain accurate, useful client, network, and systems documentationCommunicate technical issues, recommendations, and resolutions clearly to users at all levelsCollaborate with our engineers, share technical knowledge, and help solve difficult problemsStay current with security, cloud technologies, Microsoft platforms, and emerging AI tools

Technologies: AIAWSAzureCloudSupportmacOSMicrosoft 365 MobileNetworkSecurityTCP/IPWindowsOffice 365 More: We are Langtech, a San Francisco-based IT consulting and managed services firm with more than 30 years of experience. We provide managed IT services, cloud solutions, cybersecurity, networking, custom software development, onsite support, and guidance on emerging technologies, including AI. This is a full-time, client-facing Senior Systems Engineer role supporting businesses across the San Francisco Bay Area, with regular onsite work on the San Mateo Peninsula. The position is hybrid, combining remote work with client visits, and follows a day-shift, 8-hour schedule with participation in an on-call rotation as needed. Compensation is $90,000–$130,000 per year. Benefits include a 401(k), health, dental, and vision insurance, plus ongoing training and professional development. Applicants are asked to submit a resume in PDF format. last updated 45 week of 2026