System Administrator II / System Administrator III – Hybrid – Lenexa, KS (Kansas City)

About the role

Experitec is a company that values its employees and provides opportunities for growth and impact. This position offers a chance to contribute to the infrastructure that powers Experitec's business, with a focus on security, stability, and scalability.

Responsibilities

• Administer and maintain Windows Server and Linux environments to ensure reliability and performance.
• Manage Active Directory, Azure Active Directory, and Office 365 with advanced policy and compliance configurations.
• Diagnose and resolve complex networking issues, including VPN, VLAN, subnetting, and firewall policies.
• Leverage virtualization platforms to deploy, manage, and decommission virtual servers.
• Write PowerShell scripts and automations to eliminate manual, repetitive tasks.
• Monitor system health, respond to alerts, and proactively maintain enterprise security and uptime.
• Bridge the technical gap between Tier 1/2 helpdesk and senior IT leadership.
• Mentor junior IT team members and contribute to technical documentation and SOPs.
• Participate in infrastructure upgrade, migration, and deployment projects.

Key Responsibilities

• Technical Support & Infrastructure Management
• Handling Escalations and Root Cause Analysis
• Managing Infrastructure and High Availability
• Scripting and Automation
• Security and Network Maintenance
• Mentoring and Documentation

Qualifications

• High School diploma or equivalent.
• Two or more years managing Windows Server in a production environment.
• Five or more years of IT experience.
• Three or more years as a System Administrator or equivalent.
• Experience deploying or managing virtual machines in VMware (vCenter or ESXI).
• Experience providing advanced technical support and serving as an escalation point for complex IT issues.
• Experience diagnosing and resolving server, operating system, storage, virtualization, and network-related problems.
• Ability to proactively identify business needs, troubleshoot, and resolve technical issues through creative problem solving.
• Experience establishing project timelines and detailing key milestones and tasks to achieve objectives.
• Experience administering and maintaining Windows and Linux server environments.
• One or more years of experience managing and supporting Active Directory, Group Policy, DNS, or DHCP.
• Experience designing, implementing, and maintaining enterprise infrastructure solutions.
• Experience administering virtualization platforms.
• Experience configuring and maintaining backup, disaster recovery, and business continuity solutions.
• Experience monitoring system performance, capacity, and availability while proactively identifying and mitigating risks.
• Experience leading root cause analysis efforts for critical incidents and recurring problems.
• Experience implementing security best practices, vulnerability remediation, and system hardening.
• Experience monitoring and managing patching, updates, and lifecycle maintenance of infrastructure components.
• Experience developing and maintaining automation scripts using PowerShell, Bash, Python, or similar tools.
• Ability to create and maintain technical documentation, standards, and operating procedures.
• Experience planning and executing infrastructure upgrades, migrations, and deployment projects.
• Ability to collaborate with network, security, cloud, and application teams on cross-functional initiatives.
• Ability to support enterprise storage systems, SAN/NAS technologies, and data management platforms.
• Ability to configure and maintain monitoring and alerting solutions.
• Ability to evaluate new technologies and recommend infrastructure improvements.
• Ability to ensure compliance with organizational policies, security requirements, and regulatory standards.
• Ability to support high-availability and failover solutions for critical business systems.
• Ability to perform capacity planning and infrastructure optimization to support business growth.
• Ability to effectively communicate (written and verbal) with internal customers and co-workers and to provide strong customer support through proactive solution development and time management.
• Ability to work Monday through Friday from 8am-5pm in the office three days per week and work remote two days per week.

What Experitec Offers

• No matter what stage of life they’re in, Experitec strives to support and care for each employee.
• We believe in giving our employees the resources they need to succeed to reach their peak performance.