> Markdown version of [/jobs/ext/4627994-senior-it-support-engineer-onsite-seattle-area](https://www.wearedevelopers.com/jobs/ext/4627994-senior-it-support-engineer-onsite-seattle-area). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior IT Support Engineer - Onsite, Seattle Area - **Company:** ROCKET SCHOOLS LLC - **Location:** Seattle, WA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Apple Mac Systems, Microsoft Online Services, Dynamic Host Configuration Protocol, Domain Name System (DNS), Virtual Private Networks (VPN), Network Security, Windows Servers, Azure Active Directory, TCP/IP, Virtual Local Area Networks, Wide Area Networks, Wireless Networks, Wi-Fi Technology, Network Routers, Enterprise Software Applications, Computer Network Operations, Firewalls (Computer Science), Microsoft InTune - **Published:** November 7, 2026 - **Apply:** https://www.thejobnetwork.com/job/4226d1c4-d235-4603-813d-83b2f503cbdd/senior-it-support-engineer-onsite-seattle-area ## About the Role * Experience: 5+ years of hands-on experience in IT support, systems administration, or enterprise desktop support, including L3 technical support in a corporate environment., * Networking: Strong knowledge of TCP/IP, LAN/WAN, VLANs, DHCP, DNS, VPNs, wireless networking, and firewall fundamentals., * Problem-Solving: Strong analytical skills and the ability to investigate complex issues, identify root causes, and implement effective corrective actions., * Communication & Service: Fluency in written and spoken English, with strong customer service and stakeholder management skills., * Ownership & Prioritization: A proactive, detail-oriented approach, with the ability to manage competing priorities, communicate progress and risks, and follow issues through to resolution. ## Description We are looking for an experienced Senior IT Support Engineer to keep our client's workplace technology reliable, secure, and running smoothly. You will serve as the primary onsite IT contact, supporting employees while managing office networks, enterprise systems, and endpoint devices., * IT & Network Operations: Maintain, troubleshoot, and optimize routers, switches, firewalls, Wi-Fi, VPNs, and network security devices. Monitor infrastructure performance and perform preventive maintenance to support availability and reliability., * Operating Systems: Expert-level troubleshooting skills across Windows and macOS, with hands-on experience supporting Windows Server environments., * Microsoft Platforms: Hands-on experience administering Microsoft 365, Azure AD, Exchange Online, Intune, or equivalent enterprise cloud platforms, along with Active Directory, Group Policy, and endpoint management.