Core IAM Ops - Active Directory Operations Specialist

Nomura Holdings, Inc.; Philadelphia, Northern (Philadelphia County, KY); Hybrid; USD 110,000 - 135,000; Full time

Job summary

Nomura Holdings, Inc. is seeking a Core IAM Operations Specialist to support and enhance its global Active Directory and Entra ID services.

The role requires hands‑on expertise, strong operational discipline, and the ability to work in a multi‑platform, follow‑the‑sun environment. You will operate, maintain, and resolve incidents for Directory Services, contribute to automation, runbooks, and audits, and partner with engineering to deliver resilient platform improvements in a fast‑paced

Qualifications

• 3+ years’ experience operating Active Directory in a financial‑services or high‑security environment.
• Hands‑on Windows OS support, including installation, performance tuning and troubleshooting.
• PowerShell or Python scripting in support of SRE & automation practices.

Responsibilities

• Provide technical operational support for Active Directory service.
• Provide technical operational support for Entra ID Services.
• Collaborate with engineering to deliver new services and platform improvements to enhance resilience, automation, and operational efficiency.
• In an L3 capacity, operate, maintain and resolve issues for AD and Entra ID Services on a follow‑the‑sun model.
• Support daily operational ceremonies for Directory Services, including incident monitoring, data feeds, replication, user inquiries, and DR tests.
• Support teams deploying robust Directory platforms and upgrades aligned with engineering solutions.
• Maintain high‑quality operational documentation, runbooks, and incident response procedures.
• Support internal and external audits.

Skills

Active Directory

Entra ID

Windows OS

PowerShell

Python

Automation

Job description

Job Title: Core IAM Ops - Active Directory Operations Specialist

Job Code: 12971

Country: US

City: Philadelphia

Skill Category: IT\\Technology

The pay range for this position at commencement of employment is expected to be between $110,000 and $135,000 annually.

(see below footnote for additional compensation and benefits information).

Corporate Title

Associate

Department

Group Technology

Location

Philadelphia

Company overview

Nomura is a global financial services group with an integrated network spanning approximately 30 countries and regions. By connecting markets East & West, Nomura services the needs of individuals, institutions, corporates and governments through its three business divisions: Wealth Management, Investment Management, and Wholesale (Global Markets and Investment Banking). Founded in 1925, the firm is built on a tradition of disciplined entrepreneurship, serving clients with creative solutions and considered thought leadership. For further information about Nomura, visit www.nomura.com.

Aon’s Benefit Index ® , Nomura’s benefits rank #1 among our competitors

Division Overview

The Information Technology department at Nomura is at the forefront of innovation, driving technology solutions that empower our business and enhance client experiences. We leverage cutting‑edge technologies to develop and maintain robust systems and infrastructure, ensuring the security, reliability, and efficiency of our operations. Join our team and be part of a dynamic and collaborative environment that embraces technological advancements to deliver value and drive our digital transformation journey.

Role Description

Nomura is seeking an experienced operations specialist to support and enhance its global Active Directory/Entra ID Services. We are looking for someone with strong operational discipline, excellent analytical capability, and hands‑on expertise managing Active Directory and Entra ID.

The Core Infra IAM Operations function is responsible for operating and maintaining all aspects of core infrastructure components relating to Identity and Access Management.

The candidate must be highly self‑motivated team player with good oral and written skills and confidence to present to management.

The candidate should also have a good sense of discipline for change control procedures.

A flexible work ethic is required with the ability to form part of a multi‑platform global function.

Key Responsibilities

• Provide technical operational support for Active Directory service
• Provide technical operational support for Entra ID Services.
• Work with engineering to support the delivery of new services and platform improvements to existing platforms to enhance resilience, automation, and operational efficiency.
• In an L3 capacity, operate, maintain and resolve operational issues with Nomura’s Active Directory and Entra ID Services through a follow‑the‑sun model.
• Support day‑to‑day operational ceremonies required for Directory Services, such as managing incidents monitoring data feed and replication, fixing incorrect data, handling user enquiry, conducting DR test etc.
• Support teams deploying robust and secure Directory platforms and enhance / upgrade in‑line with solutions developed by engineering.
• Maintain high‑quality operational documentation, runbooks, and incident response procedures.
• Support internal and external audits.

Skills, experience, qualifications and knowledge required

Required Experience and Skills

• Minimum 3 years’ experience operating Active Directory and related Services in a financial‑services or other high‑security environment.
• Demonstrable hands‑on experience with Windows OS support, such as application installation, performance turning and troubleshooting
• Demonstrable PowerShell or Python skills in conjunction with SRE & automation best practices

Required Soft Skills

• Excellent English communication skills: written, verbal, and presentation.
• Willingness to work in a fast‑paced environment with changing priorities.
• Ability to work independently with minimal supervision and manage multiple tasks simultaneously.
• Strong self‑motivation, enthusiasm, and rapid learning capability.

Nomura Competencies

Explore Insights & Vision

• Identify the underlying causes of problems faced by you or your team and define a clear vision and direction for the future.

Making Strategic Decisions

• Evaluate all the options for resolving the problems and effectively prioritize actions or recommendations.

Inspire Entrepreneurship in People

• Inspire team members through effective communication of ideas and motivate them to actively enhance productivity.

Elevate Organizational Capability

• Engage proactively in professional development and enhance team productivity through the promotion of knowledge sharing.

Inclusion

• Foster a culture of inclusion and psychological safety in the workplace and cultivate a "Risk Culture" (Challenge, Escalate and Respect).

*base pay offered may vary depending on multiple individualized factors, including market location, corporate and functional title and duties, job‑related knowledge and advanced degrees, skills, and experience. The total compensation package for this position may also include other elements, including a sign‑on bonus, restricted stock units, discretionary awards and eligibility for commissions for applicable sales roles in addition to a full range of medical, financial, and/or other benefits (including 401(k) eligibility and various paid time off benefits, such as vacation, sick time, and parental leave), dependent on the position offered. Details of participation in these benefit plans will be provided if an employee receives an offer of employment.

If hired in the U.S., employee will be in an "at-will position" and the Company reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.

Nomura is an Equal Opportunity Employer