IAM Engineer (On-Premises Microsoft Active Directory)

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting.

Role Summary

hands-on IAM Engineer to own and operate our on-premises Microsoft Active Directory estate and adjacent Identity infrastructure. Work on day-to-day identity operations (provisioning, hardening, troubleshooting) and longer-term improvements (automation, security controls, audits, and lifecycle management) across domains, forests, and tiered admin models.

Required Skills & Qualifications

• 3+ years in enterprise on-prem Active Directory engineering/operations.
• Strong in gMSA/service account design, SPNs, constrained delegation, secret rotation.
• Expert in Group Policy Management design and troubleshooting (security baselines, WMI filters, RSOP/GPMC).
• Hands-on with AD CS/PKI, SSL/TLS cert lifecycle, CRL/OCSP, auto-enrollment.
• Solid DNS (AD-integrated), Sites & Services, replication topology, FSMO.
• Proficient PowerShell (modules, error handling, idempotent scripts); Git-based version control.
• Working knowledge of Kerberos/NTLM, LDAP(S), SMB, CIFS, WinRM/PSRemoting.
• Clear documentation, change records, and runbooks; strong incident response skills.

Careers with Optum. Here’s the idea. We built an entire organization around one giant objective; make the health system work better for everyone. So when it comes to how we use the world’s large accumulation of health-related information, or guide health and lifestyle choices or manage pharmacy benefits for millions, our first goal is to leap beyond the status quo and uncover new ways to serve. Optum, part of the UnitedHealth Group family of businesses, brings together some of the greatest minds and most advanced ideas on where health care has to go in order to reach its fullest potential. For you, that means working on high performance teams against sophisticated challenges that matter. Optum, incredible ideas in one incredible company and a singular opportunity to do your life’s best work.^SM

Diversity creates a healthier atmosphere: UnitedHealth Group is an Equal Employment Opportunity/Affirmative Action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, protected veteran status, disability status, sexual orientation, gender identity or expression, marital status, genetic information, or any other characteristic protected by law.

UnitedHealth Group is a drug-free workplace. Candidates are required to pass a drug test before beginning employment.

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