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Senior IT Systems Administration

Stackline
CompanyStackline
CategoryUncategorised
LocationSeattle
RemoteOn-site (inferred)
EmploymentNot stated
LevelNot stated
SalaryNot stated by the employer
Posted29 Jul 2026
Last verified6 Aug 2026
SourceEmployer ATS (greenhouse)
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Description
Stackline is the first full-funnel connected commerce platform for the world's most innovative brands. Business leaders, product innovators, performance marketers, and analysts trust Stackline as the single source of commerce truth. Fueled by our proprietary neural network, our market insights, revenue metrics, behavior analyses, and autonomous functionality create the actions that determine success or failure.   Founded in 2014 in Seattle, we now have offices in Minneapolis, New York, Cleveland, and London. Since November 2020, Stackline has raised $180 million in strategic investments from Goldman Sachs Growth Equity and TA Associates.   Stackline is on a mission to fuel the future of commerce by bringing brands and customers closer together.   About The Role: The Senior IT Systems Administrator is a highly visible, hands-on role responsible for delivering a responsive, high-touch technology experience across all levels of the organization. This position will administer and support the company’s IT environment, including identity and access management, endpoint management, Microsoft 365, network infrastructure, employee technology, and security controls. The role will serve as a subject matter expert and escalation point for complex technical issues, lead technology and infrastructure projects, and support end user IT activities. The ideal candidate can balance day-to-day operational needs with secure, scalable, and practical long-term solutions. To support a white-glove employee experience, this position is based on-site at our Seattle office 5 days per week.   What You Will Do: Systems Administration and Employee Technology Administer Microsoft 365, Entra ID, Intune, and other business applications. Manage user access, single sign-on, multifactor authentication, devices, applications, and system updates. Manage employee onboarding, offboarding, access provisioning, hardware, software licensing, and IT assets. Provide high-touch technical support and resolve complex hardware, software, access, and connectivity issues. Oversee help desk operations, ticket priorities, service levels, escalations, and continuous improvement. Maintain technical documentation, standard operating procedures, and employee training materials. Network and Infrastructure Configure, monitor, and troubleshoot networks, firewalls, VPNs, switches, wireless access points, DNS, and DHCP. Monitor system and network performance and implement improvements to security, reliability, and scalability. Support conference-room and audiovisual technology, including Zoom Rooms and Logitech equipment. Manage relationships with technology vendors, service providers, and external partners. Security and Compliance Own IT responsibilities for SOC 2 and ISO 27001 readiness and ongoing compliance. Manage technical controls, audit evidence, access reviews, remediation activities, and auditor requests. Evaluate, implement, and maintain endpoint, identity, network, vulnerability-management, and security-monitoring tools. Identify and resolve vulnerabilities, control gaps, configuration risks, and audit findings. Support security incident investigation, containment, documentation, and follow-up actions. Projects and Continuous Improvement Lead infrastructure, endpoint, security, software-deployment, and technology-improvement projects. Evaluate new technologies and recommend upgrades, automation, and process improvements. Manage project plans, stakeholders, vendors, timelines, risks, and communications. Balance day-to-day support with longer-term technology, security, and compliance priorities.   What We Are Looking For: Bachelor’s degree in information technology, computer science, cybersecurity, or a related technical field, or an equivalent combination of education, certifications, and relevant professional experience. 5+ years of progressi