Sr Systems Administrator
Sr Systems Administrator
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Salary Not Disclosed
1 Vacancy
Job Description
The Company
Dexcom Corporation (NASDAQ DXCM) is a pioneer and global leader in continuous glucose monitoring (CGM). Dexcom began as a small company with a big dream: To forever change how diabetes is managed. To unlock information and insights that drive better health outcomes. Here we are 25 years later having pioneered an industry. And were just getting started. We are broadening our vision beyond diabetes to empower people to take control of health. That means personalized actionable insights aimed at solving important health challenges. To continue what weve started: Improving human health.
We are driven by thousands of ambitious passionate people worldwide who are willing to fight like warriors to earn the trust of our customers by listening serving with integrity thinking big and being dependable. Weve already changed millions of lives and were ready to change millions more. Our future ambition is to become a leading consumer health technology company while continuing to develop solutions for serious health conditions. Well get there by constantly reinventing unique biosensing-technology experiences. Though weve come a long way from our small company days our dreams are bigger than ever. The opportunity to improve health on a global scale stands before us.
Meet the team:
IT Core Services (ITCS) is Dexcoms global backbone for identity collaboration and core infrastructure. We design secure and operate Active Directory/Entra ID Okta and Microsoft 365/Exchange Online for a fastgrowing missiondriven company. We partner closely with Security Compliance and Application teams to ship secure scalable services that enable Dexcom to focus on transforming diabetes care.
Where you come in:
- Administer and harden Okta:manageSSO integrations(SAML/OIDC)SCIM provisioninggroup lifecycleapp assignments andOkta Workflows automationfor workforce and service identities.
- Operate and improve Active Directory and Entra ID:maintaindomain controllersDNSGPOshybrid identityConditional AccessPIM andRBAC.
- Lead Microsoft 365 and Exchange Online administration:overseemail flowandtransportretentionandeDiscoveryTeams/SharePoint/OneDrive governance and hygiene.
- Implement onboarding standards for applications:enforceOkta SSOSCIMMFAleast privilege andsecure transportin partnership withSecurityand application owners.
- Leverage the Workday-driven identity and Self-Service Groups platformforrole-based access; supportIGA cyclesincludingaccess reviewscertifications andaudit evidence.
- Monitor and respondusingobservability and alerting tools; driveincidentproblem andchange managementpractices; and contribute torunbooks.
- Produce audit artifactssuch asconfiguration snapshotslogs andaccess attestationsto supportSOX ITGCHIPAA andFDA requirements.
- Participate in on-call rotationandplanned maintenance windows coordinating withU.S. EMEA and APAC teams.
What makes you successful:
- Okta & IAM depth:SAML/OIDC SCIM app onboarding group strategy and Okta Workflows; practical experience applying MFA and least privilege.
- AD/Entra ID expertise:Hybrid identity GPO/replication troubleshooting conditional access and PIM and identity protection signals.
- PowerShell/automation:Scripting at scale across AD M365 and Entra; familiarity with Microsoft Graph.
- M365/Exchange administration:Transport rules mail hygiene retention/eDiscovery Teams/SharePoint governance.
- Security mindset:Threat-informed configurations logging/telemetry service account hygiene and change control discipline.
- Audit & documentation:Clear change records diagrams SOPs and audit evidence for regulated environments.
- Collaboration:Partner effectively with Security App Owners and HR/TA data stewards; communicate clearly during incidents and post-incident reviews.
- Consistency & reliability:Regular reliable attendance and participation in an on-call rotation.
What youll get:
- A front row seat to life changing CGM technology. Learn about our brave #dexcomwarriors community.
- A full and comprehensive benefits program.
- Growth opportunities on a global scale.
- Access to career development through in-house learning programs and/or qualified tuition reimbursement.
- An exciting and innovative industry-leading organization committed to our employees customers and the communities we serve.
Travel Required:
- 5-15%
Experience and Education Requirements:
- Typically requires a Bachelors degree and a minimum of 5 8 years of related experience.
#LI-Hybrid
To all Staffing and Recruiting Agencies: Our Careers Site is only for individuals seeking a job at Dexcom. Only authorized staffing and recruiting agencies may use this site or to submit profiles applications or resumes on specific requisitions. Dexcom does not accept unsolicited resumes or applications from agencies. Please do not forward resumes to the Talent Acquisition team Dexcom employees or any other company location. Dexcom is not responsible for any fees related to unsolicited resumes/applications.
Required Experience:
Senior IC
Employment Type
Full-Time
