Systems Administrator at Helion

About Helion We are a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant, enabling a future with unlimited clean electricity. Our vision is a world with clean, reliable, and affordable energy for everyone. Since Helion's founding in 2013, we have raised over $1 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors SoftBank and Lightspeed to propel us forward. Our last prototype, Trenta, completed 10,000 high-power pulses and reached plasma temperatures of 100 million degrees Celsius (9 keV). We are now operating Polaris, our next prototype on the path to the world's first fusion power plant. This is a pivotal time to join Helion. You will tackle real-world challenges with a team that prizes urgency, rigor, ownership, and a commitment to delivering hard truths – values essential to achieving what no one has before. Together, we will change the future of energy, because the world can't wait. What You Will Be Doing: You will be responsible for supporting the stability and reliability of our core Windows infrastructure services. In this role, you will maintain and operate production Windows systems, including Active Directory and core Microsoft services, while monitoring system health, troubleshooting infrastructure issues, and ensuring systems remain secure, patched, and highly available. This is an onsite role that reports directly to our IT Operations Manager at our Everett, WA office. You Will: - Support a hybrid IT environment with ~350+ endpoints and infrastructure serving 600–800 employees across corporate and production systems - Administer core Windows infrastructure, including Windows Server, Active Directory, DNS, DHCP, and Group Policy - Monitor production systems, investigate performance issues, and ensure overall infrastructure stability - Serve as the Tier 3 escalation point for complex technical incidents escalated from the IT Support team - Perform patching, maintenance, and operational improvements in partnership with engineering teams to address recurring issues and identify areas for automation Required Skills: - 5+ years of Windows systems administration experience in production environments, with strong expertise in Windows Server and core infrastructure services (Active Directory, Group Policy, DNS, DHCP) - Experience troubleshooting and maintaining infrastructure-level systems, with an emphasis on system reliability - Proven ability to monitor and support production environments, including responding to infrastructure alerts and operational issues - Technical experience with automation and infrastructure platforms, such as PowerShell, virtualization (VMware/Hyper-V), backup and disaster recovery tools (Veeam, Rubrik), and Microsoft 365/Azure integrations - Experience working with enterprise infrastructure tools, including monitoring platforms (PRTG, SolarWinds, Datadog, SCOM), endpoint and server management solutions (Intune, SCCM), virtualization management, and Windows patch/update management - Must be able to participate in an on-call rotation, work after hours, weekends, and holidays as needed, and safely lift and move equipment weighing up to 50 lbs. - Microsoft, VMware, or ITIL certifications are a plus Benefits Our total compensation package includes benefits, including but not limited to: • Medical, Dental, and Vision plans for employees and their families • 31 Days of PTO (21 vacation days and 10 sick days) • 10 Paid holidays, plus company-wide winter break • Up to 5% employer 401(k) match • Short term disability, long term disability, and life insurance • Paid parental leave and support (up to 16 weeks) • Annual wellness stipend Helion is an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. If you need assistance or an accommodation during the interview process, please let us know.