IT System Administrator III- Bala Cynwyd, PA

Infrastructure Engineer

Tokio Marine North America Services (TMNAS) provides professional support services to Tokio Marine Group companies in the United States, including Tokio Marine America, First Insurance Company of Hawaii, and Philadelphia Insurance Companies. Customer service is our focus and our passion! Tokio Marine North America Services adds value in all that we do, providing the best professional service to our business partners, allowing them to achieve their goals.

Our talented team delivers actuarial, audit, corporate communications, financial and investment, human capital services, information technology, legal, and payroll expertise to our customers.

Responsible for the reliable, secure, and efficient provisioning, configuration, operation, automation, and lifecycle management of enterprise infrastructure, including on-premises, cloud, virtualized, and hybrid systems. Supports modern operating systems, middleware, platforms, and business applications while promoting security, resiliency, standardization, and continuous improvement.

Job Responsibilities

• Installs, configures, maintains, and supports server operating systems and infrastructure platforms across on-premises, virtualized, cloud, and hybrid environments. Coordinates security patching, system upgrades, vulnerability remediation, and lifecycle management activities
• Implements and maintains automation, scripting, monitoring, and configuration management practices to improve reliability, reduce manual effort, and support consistent system builds and operational processes
• Administers and supports Microsoft Exchange, Exchange Online, and related messaging services, including mail flow, transport rules, shared mailboxes, retention policies, message tracing, and hybrid connectivity as applicable
• Evaluates, troubleshoots, and resolves operating system, hardware, network, cloud, storage, and platform-related issues, coordinating with internal teams, vendors, and stakeholders as needed
• Maintains backup, recovery, disaster recovery, and business continuity processes to protect data, minimize downtime, and support recovery objectives
• Monitors system health, performance, capacity, security posture, and availability using modern observability and alerting tools; recommends improvements based on trends, risks, and operational needs
• Provides technical support, incident response, root-cause analysis, documentation, and knowledge transfer for infrastructure services and related business applications

Degree / Licenses and Professional Certifications

• Microsoft Professional Certification and Linux (in at least two core technologies) preferred

Experience

• 6+ years of experience in IT infrastructure, server administration, cloud or hybrid platform support, and enterprise operations
• Strong knowledge of virtualization, VMware, Microsoft Azure, Microsoft 365, cloud infrastructure, identity services, networking fundamentals, and related enterprise platforms
• Experience with scripting, automation, infrastructure-as-code concepts, monitoring tools, Power Shell, and Python preferred
• Experience supporting security patching, vulnerability management, endpoint/server hardening, backup and recovery, and operational resiliency practices

Competencies

• Excellent written and oral communication skills, including the ability to explain technical risks, incidents, and recommendations to technical and non-technical audiences
• Excellent problem-solving, analytical, and troubleshooting skills with a focus on root cause, prevention, and continuous improvement
• Excellent organization skills with the ability to manage competing operational work, project tasks, maintenance windows, and urgent support needs
• Strong ability to build effective relationships with cross-functional technology teams, business stakeholders, vendors, and service providers
• Experience documenting technical standards, operational procedures, business requirements, functional specifications, and support handoff materials
• Demonstrated security-minded approach to infrastructure administration, access management, patching, incident response, and compliance-related activities

Knowledge

• Knowledge of organizational priorities,…