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Andersen is seeking a motivated Senior Associate to join our Technology team as a System Administrator. In this role, you will be a key contributor to the firm’s core infrastructure, supporting critical initiatives as we scale globally, advance our cloud modernization strategy, and integrate newly acquired firms across Andersen Tax and Andersen Consulting.

You will play a pivotal role in the day-to-day operation and evolution of our environment, including managing cloud migration efforts, maintaining system performance and availability, and executing structured patching and upgrade cycles across enterprise platforms. This role requires a proactive mindset, with a strong focus on monitoring, incident response, and identifying opportunities to improve system reliability, automation, and security posture.

In addition, you will serve as a key escalation point for complex technical issues and act as a mentor to junior team members, reinforcing best practices in system administration, documentation, and operational discipline. This role offers the opportunity to directly influence infrastructure stability, scalability, and security within a fast-paced environment where your technical decisions have firmwide impact.

What You’ll Do

Core Infrastructure & System Administration

• Administer and support core Microsoft infrastructure, including Active Directory, Entra ID (Azure AD), Microsoft 365, Windows Server platforms, and enterprise applications within a global hybrid environment.
• Manage server lifecycle including provisioning, configuration, patching, and decommissioning with a focus on automation and consistency.
• Monitor system health, performance metrics, logs, and alerts using centralized tooling to proactively identify and resolve issues before they impact the business.
• Partner with infrastructure, networking, and cybersecurity teams to maintain stable, resilient operations across U.S. and international offices.
• Maintain and improve documentation, configuration standards, and operational procedures to support audit readiness and knowledge transfer.
• Serve as an escalation resource and mentor for junior IT staff, contributing to team skill development and knowledge sharing.

Identity & Security

• Administer identity governance including RBAC, group policy, and access controls across Active Directory and Azure AD / Entra ID.
• Support and contribute to security initiatives including Data Loss Prevention (DLP), endpoint monitoring, and compliance audit readiness.
• Assist in system hardening, vulnerability remediation, and enforcement of security best practices across on-premises and cloud platforms.
• Participate in security incident response, root cause analysis, and post-incident remediation planning.
• Support the firm’s evolving Zero Trust posture as it applies to identity, device, and access management.

Cloud & Automation

• Support Azure and Microsoft 365 platforms including tenant configuration, migrations, and ongoing optimization efforts.
• Develop, maintain, and improve automation scripts using PowerShell and Azure automation tools to reduce manual toil and improve operational consistency.
• Assist with modernization initiatives including Microsoft Intune deployment, cloud-based endpoint management, and policy enforcement.
• Support the integration of newly acquired firms, new office locations, and global infrastructure onboarding into the Andersen environment.
• Contribute to infrastructure-as-code and repeatable deployment practices where applicable.

Backup & Business Continuity

• Administer backup and recovery platforms ensuring data protection standards are met across all critical systems.
• Support and participate in disaster recovery planning, testing, and documentation.
• Ensure systems meet defined Recovery Time Objectives (RTO) and Recovery Point Objectives (RPO) as part of the firm’s business continuity framework.
• Validate backup integrity through periodic testing and reporting.

Collaboration & Operations

• Collaborate with global teams across multiple time zones, including counterparts in the U.S., Europe, and Asia-Pacific regions.
• Provide operational support as part of an on-call rotation, responding to after-hours incidents and critical system events.
• Communicate clearly and effectively with both technical peers and non-technical stakeholders at all levels of the organization.
• Contribute to firmwide technology projects, including cloud migrations, office build-outs, and platform consolidation initiatives.

Required Experience & Skills

• Bachelor’s degree in information technology, Computer Science, or a related field, or equivalent professional experience.
• 3+ years of hands-on system administration or infrastructure support experience in a corporate or enterprise environment.
• Strong working knowledge of Microsoft technologies including Azure, Microsoft 365, and Active Directory / Entra ID.
• Solid understanding of networking fundamentals including DNS, DHCP, TCP/IP, and VLANs.
• Experience with scripting and automation, with PowerShell strongly preferred.
• Proven troubleshooting skills with the ability to diagnose complex, multi-layered infrastructure issues.
• Strong written and verbal communication skills with the ability to work effectively across teams and time zones.

Preferred Qualifications

• Industry certifications such as CompTIA A+, Network+, Security+, or Microsoft certifications (e.g., AZ-900, AZ-802, MS-102).
• Experience with virtualization platforms including VMware vSphere and/or Hyper-V.
• Hands-on experience with enterprise backup, recovery, and replication tools.
• Familiarity with Microsoft Intune and modern endpoint management practices.
• Experience in enterprise, professional services, or global multi-office environments.
• Exposure to Azure environments and foundational administrative tasks
• Experience supporting firm integrations or technology onboarding in M&A contexts is a plus.

Compensation and Benefits

Our firm offers competitive base compensation, benefits package, and a discretionary employee bonus program for eligible employees based on individual and firm performance metrics per the defined program guidelines. For individuals hired to work in Buffalo, New York, the expected hourly rate/salary for this role is $84,500 ($40.63 hourly) - $100,000 ($48.08 hourly); the actual hourly rate/salary offer can vary based upon employee qualifications.

Benefits: Employees (and their families) are covered by medical, dental, vision, and basic life insurance. Employees can enroll in our firm’s 401(k) plan upon hire. We offer paid time off, beginning at 160 hours annually and provides twelve paid holidays throughout the calendar year. For a full listing of benefit offerings, please visit https://www.andersen.com/careers/faqs

Applicants must be currently authorized to work in the United States on a full-time basis upon hire. Andersen will not consider candidates for this position who require sponsorship for employment visa status now or in the future (e.g., H-1B status).

Andersen Tax is an equal opportunity employer committed to fostering an inclusive workplace. We evaluate all applicants and employees without regard to race, color, religion, national origin, ancestry, sex (including pregnancy, childbirth, and related medical conditions), sexual orientation, gender identity or expression, age, disability, genetic information, marital status, military or veteran status, or any other characteristic protected under applicable federal, state, or local law. All qualified applicants, including those with criminal histories, will be considered in a manner consistent with applicable law. We provide reasonable accommodations to qualified individuals with disabilities and to individuals with sincerely held religious beliefs, practices, or observances as required by law.

ANDERSEN TAX LLC NOTICE FOR JOB APPLICANTS