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# Senior Systems Administrator

- **Company:** Helion LLC
- **Location:** Seattle, WA, United States
- **Experience:** Expert
- **Salary:** $148,000.0 - $191,000.0
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Microsoft Windows, Active Directory, Artificial Intelligence, JIRA, Microsoft Online Services, Cyber Security, Middleware, Identity and Access Management, Python (Programming Language), Networking Basics, OpenID, Public Key Infrastructure, Windows PowerShell, Security Assertion Markup Language (SAML), Security Information and Event Management, Enterprise Software Applications, Atlassian Tools, Microsoft Sentinel, Api Design, Restful APIs, Webhooks, Api Management
- **Published:** October 9, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=83632ddc723029a5

## About the Role

* 8+ years of systems administration experience spanning identity and access management, enterprise applications, and cybersecurity
 * Deep hands-on experience with user lifecycle management, SSO (SAML/OIDC), and SCIM provisioning in the Microsoft ecosystem; Atlassian, privileged identity management, and Purview experience a plus
 * Advanced PowerShell scripting, including Microsoft Graph, with Python or JavaScript for automation and API integrations
 * Hands-on experience with SIEM/MDR platforms, security monitoring, and incident response, plus working knowledge of PKI; audit support, AI tool governance, and networking fundamentals a plus
 * Self-directed communicator who balances ticket work against project deadlines without needing direction, and can support after-hours incident response when needed

## Description

* Administer and support existing automation for the identity lifecycle (joiner, mover, leaver) for employees, contractors, and service accounts, using SSO, MFA, conditional access, SCIM/API-based provisioning, and PowerShell
 * Manage Entra ID, Active Directory, and Microsoft 365 identity services, enforcing least-privilege access and driving access reviews through remediation
 * Detect and respond to security events using Microsoft Sentinel, partnering with managed detection and response teams on escalations, log source tuning and remediation through to closure
 * Administer Microsoft 365 and Atlassian platforms, build integrations with REST APIs, webhooks, and middleware, and review new applications and AI tools for security before they enter the enterprise
 * Respond to end user issues and action requests captured in our Jira Service Management ticket queue that relate to identity, access, enterprise apps, and security
 * Produce process and procedure documentation and drive process improvement through effective analysis and collaboration with stakeholders