Senior IT System Administrator

Senior IT System AdministratorWe're seeking a Senior IT System Administrator to join our North America IT team. In this hands-on role, you'll help design, deploy, and support our multi-cloud and hybrid infrastructure, to ensure secure, reliable and scalable services while driving improvements to IT processes, tooling, and the overall end-user experience.What You’ll Do:Administer our hybrid, multi-cloud infrastructureManage network connectivity across cloud and on-prem environments, troubleshooting BGP and OSPF configurations for site-to-site connectivity, VPN and Direct Connect/ExpressRoute links, transit gateways, and multi-region network architecture.Administer secure Network Access Control (NAC) to govern how users, devices, and endpoints authenticate.Manage IAM policies and role-based access across software, services and on-prem environments,Build automation scripts and tooling to improve IT processes, streamline provisioning, and support CI/CD pipelines for infrastructure changes.Vulnerability remediation, harden systems against emerging threatsMaintain IT security best practices and support audits against relevant compliance frameworks (e.g., SOC 2, ISO 27001).Administer provisioning/deprovisioning of user accounts, GPO, conditional access, SSO (SAML/OIDC), and device identity.Serve as the escalation point for complex issuesContribute to knowledge base articles, runbooks and process documentationCollaborate with business leads/teams to drive improvements What We’re Looking For:7–10+ years of managing hybrid environments (Windows Server, Linux, Active Directory, firewalls, routers/switches) alongside AWS/Azure/GCP cloud-native resources.Advanced networking, hands-on knowledge of routing protocols.Hands-on experience implementing secure Network Access Control (NAC) solutions (e.g., Cisco ISE, Aruba ClearPass, or similar) to enforce authenticated, policy-based access for users and devices.Strong scripting ability in PowerShell, Python, and/or Bash to automate operational workflows.Familiarity with MDM/endpoint management tools (JAMF, Intune)Familiarity with monitoring/observability tools (CloudWatch, Splunk, Datadog)Solid understanding of core security and compliance practicesStrong troubleshooting skills across Windows, Mac, and mobile devicesExcellent communication, documentation and organizational skillsRelevant certifications are a plus: AWS Certified Solutions Architect / SysOps Administrator, Microsoft Certified: Azure Administrator Associate or Azure Solutions Architect Expert, Cisco CCNP/CCIEThe approximate base salary range for this position is $175,000-$200,000We consistently monitor external market data and update base salary ranges accordingly. We determine base compensation decisions on several factors, including as geographic placement, role-specific knowledge, skills, and/or experience. In addition to our base salary offerings, we also provide equity grants for all new hires.QuEra is committed to cultivating a diverse work environment and is proud to be an equal opportunity employer. We highly value diversity in our current and future employees and do not discriminate (including in our hiring and promotion practices) based on race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status, or any other characteristic protected by law.#LI-DA1