Search jobs now Find the right job type for you Explore how we help job seekers Contract talent Permanent talent Learn how we work with you Executive search Finance and Accounting Technology Marketing and Creative Legal Administrative and Customer Support Technology Risk, Audit and Compliance Finance and Accounting Digital, Marketing and Customer Experience Legal Operations Human Resources 2026 Salary Guide Demand for Skilled Talent Report Building Future-Forward Tech Teams Job Market Outlook Press Room Labor market overview AI in recruiting Navigating the AI era Staffing for small businesses Browse jobs Find your next hire Our locations

Add your latest resume to match with open positions.

2 results for Sr Linux Systems Administrator in Chicago, IL

Systems Security Administrator
  • Schaumburg, IL
  • onsite
  • Temporary
  • 61.75 - 71.5 USD / Hourly
  • We are looking for an experienced Systems Security Administrator to join our team on a contract basis in Schaumburg, Illinois. In this role, you will focus on enhancing and maintaining identity and access management solutions, ensuring seamless integration and security across multiple platforms. The ideal candidate will have a strong technical background with hands-on experience in identity governance, system integration, and automation.<br><br>Responsibilities:<br>• Design, configure, and maintain Microsoft Entra ID tenants, implementing Single Sign-On (SSO) and Multi-Factor Authentication (MFA) to secure application access.<br>• Manage the integration between Okta and Microsoft Entra ID, configuring Okta as an external identity provider and handling federated identity provisioning.<br>• Configure and automate user provisioning for enterprise applications, including Slack, using Microsoft Entra ID.<br>• Set up and manage user provisioning between Microsoft Entra ID and Google Cloud/Workspace environments, enabling seamless login with Microsoft credentials.<br>• Develop and enforce Conditional Access Policies to ensure secure access based on user context, device compliance, and risk levels.<br>• Utilize PowerShell, Microsoft Graph API, and Okta workflows to automate user lifecycle management and optimize repetitive tasks.<br>• Troubleshoot complex authentication issues and resolve federation errors between integrated systems.<br>• Document configuration processes and maintain detailed records for system setups and changes.<br>• Provide technical support and act as the escalation point for advanced identity management challenges.<br>• Collaborate with cross-functional teams to implement and refine identity governance strategies.
  • 2026-03-12T00:00:00Z
Sr. Oracle Database Administrator
  • Chicago, IL
  • remote
  • Permanent
  • 160000 - 190000 USD / Yearly
  • <p>Our company is seeking an experienced Senior Oracle DBA to join our dynamic IT team. The ideal candidate is highly skilled in Oracle Database administration with recent hands-on experience in Oracle 19c and 23ai, Oracle Sharding, upgrade planning and execution, and replication technologies such as Oracle GoldenGate. Familiarity with PostgreSQL administration is also essential. You’ll play a key role in maintaining mission-critical databases, ensuring data integrity and security, and supporting modernization initiatives.</p><p><br></p><p><strong>Key Responsibilities:</strong></p><ul><li>Administer, maintain, and support Oracle databases (19c, 23ai) in production and development environments.</li><li>Plan and perform database upgrades, migrations, and patching.</li><li>Implement and manage Oracle Sharding solutions for distributed environments.</li><li>Configure and support Oracle GoldenGate for high-availability and data replication.</li><li>Develop and optimize backup and recovery strategies.</li><li>Monitor performance and proactively resolve issues.</li><li>Collaborate with application development and infrastructure teams to deliver robust solutions.</li><li>Document configurations, procedures, and best practices.</li><li>Support and administer PostgreSQL databases as part of a multi-platform environment.</li><li>Participate in on-call support rotation as needed.</li></ul>
  • 2026-03-23T00:00:00Z