Senior System Administrator

Iowa Bankers Insurance & Services, Inc. seeks a Senior System Administrator to own the reliability, security, and performance of core infrastructure supporting community banks. In this role, you'll manage Windows/Linux servers, virtualization, storage, backups, and cloud services in a highly regulated financial environment. You'll implement security best practices, monitor and troubleshoot systems, and lead upgrades, patching, and disaster recovery planning. Working in a collaborative, service-oriented culture, you'll partner with security, operations, and business teams to ensure compliant, resilient systems for our banking and insurance clients.

Responsibilities

• Administer and maintain Windows and Linux servers, virtualization platforms, storage, and backups.

• Implement and monitor security controls, patches, and hardening aligned with banking and insurance regulations.

• Manage identity, access, and authentication using Active Directory/Azure AD and related tools.

• Monitor system performance, troubleshoot incidents, and resolve infrastructure issues with minimal downtime.

• Plan and execute upgrades, migrations, and infrastructure improvements.

• Design and maintain backup, disaster recovery, and business continuity procedures.

• Collaborate with security, operations, and business teams to support applications and services.

• Document systems, configurations, and standard operating procedures for ongoing support and audits.

Required Skills

• Windows Server administration

• Linux administration

• Virtualization (VMware/Hyper-V)

• Cloud platforms (AWS/Azure)

• Networking (TCP/IP, VPNs, firewalls)

• Identity and access management (AD/Azure AD)

• Backup and disaster recovery

• Security hardening and monitoring

• Scripting/automation (Power

• Shell/Bash)

• Monitoring and performance tuning