A

Andersen

Global software development for digital transformation

System Administrator Senior Associate

System AdministrationConfirmed live in the last 24 hours
Full-timeBuffalo, NY, USA

About the Job

Requirements

  • A bachelor's degree in information technology, computer science, or a related field, or equivalent professional experience.
  • At least 3 years of hands-on system administration or infrastructure support experience in a corporate or enterprise environment.
  • Strong working knowledge of 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; PowerShell is strongly preferred.
  • Ability to troubleshoot and diagnose complex, multi-layered infrastructure issues.
  • Strong written and verbal communication skills and ability to work effectively across teams and time zones.
  • Availability to work 11:00 a.m. to 8:00 p.m.

Responsibilities

  • Administer and support Microsoft infrastructure, including Active Directory, Entra ID (Azure AD), Microsoft 365, Windows Server platforms, and enterprise applications in a global hybrid environment.
  • Manage server lifecycle activities, including provisioning, configuration, patching, and decommissioning, with emphasis on automation and consistency.
  • Monitor system health, performance metrics, logs, and alerts using centralized tools to identify and resolve issues proactively.
  • 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 for audit readiness and knowledge transfer.
  • Serve as an escalation resource and mentor for junior IT staff, contributing to team skill development and knowledge sharing.
  • Administer identity governance, including role-based access control, group policy, and access controls across Active Directory and Azure AD / Entra ID.
  • Support security initiatives, including data loss prevention, endpoint monitoring, and compliance audit readiness.
  • Assist with 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 Zero Trust posture for identity, device, and access management.
  • Support Azure and Microsoft 365 platforms, including tenant configuration, migrations, and ongoing optimization.
  • Develop, maintain, and improve automation scripts using PowerShell and Azure automation tools to reduce manual work and improve operational consistency.
  • Assist with modernization initiatives, including Microsoft Intune deployment, cloud-based endpoint management, and policy enforcement.
  • Support integration of acquired firms, new office locations, and global infrastructure onboarding into the Andersen environment.
  • Contribute to infrastructure-as-code and repeatable deployment practices where applicable.
  • Administer backup and recovery platforms to meet data protection standards across critical systems.
  • Support and participate in disaster recovery planning, testing, and documentation.
  • Ensure systems meet defined Recovery Time Objectives and Recovery Point Objectives within the business continuity framework.
  • Validate backup integrity through periodic testing and reporting.
  • Collaborate with global teams across multiple time zones, including counterparts in the U.S., Europe, and Asia-Pacific regions.
  • Provide operational support in an on-call rotation, responding to after-hours incidents and critical system events.
  • Communicate with technical peers and non-technical stakeholders at all organizational levels.
  • Contribute to firmwide technology projects, including cloud migrations, office build-outs, and platform consolidation initiatives.

Desired 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 mergers and acquisitions contexts.

About the Company

Andersen

Global software development for digital transformation

Andersen is a global software development partner that provides end-to-end IT services, including custom software development, API integration, system architecture, legacy modernization, and long-term support. It delivers solutions by combining deep technical skills with business-value focus and uses AI, machine learning, data science, and big data to build intelligent digital products. The company differentiates itself with a widespread global delivery network across 16+ locations and a 3,700+ expert team, enabling nearshore/offshore collaboration and quick, close-to-client delivery. Its goal is to help clients achieve high ROI and future-proof digital transformations through responsible, client-focused, results-driven partnerships.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Krakow, Poland
Founded
2007

Recently Posted Jobs

Explore more opportunities at Andersen

See more jobs