HR Generalist

INNIO Group; Waukesha (WI); On-site; USD 70,000 - 90,000; Full time

Job summary

INNIO Group in Waukesha, Wisconsin, is seeking an experienced HR Generalist to join our HR team supporting Jenbacher Operations at the Waukesha facility. The HR Generalist is responsible for employee relations, onboarding/offboarding, payroll support, policy implementation, and compliance with employment laws and internal policies.

The successful candidate will manage HRIS systems (Workday, ADP preferred), assist with audits, poster compliance, and process improvements in a global matrix

Qualifications

• Bachelor's degree in Human Resources or related field and 5+ years HR experience.
• Experience with HRIS systems (Workday, Jobvite, ADP) preferred.
• Strong communication, confidentiality, and organizational skills.

Responsibilities

• Manage employee relations for assigned business group.
• Answer frequently asked questions from applicants and employees relative to standard policies, benefits, hiring processes, etc.
• Partner with managers in the performance review processes.
• Support the onboarding process for assigned business group to ensure a smooth and effective transition for new hires.
• Assist in responding to audits, employment verifications, surveys, etc.
• Support the offboarding process for assigned business group.
• Support immigration/compliance matters.
• Oversee employee personnel files, perform periodic audits of files and records to ensure all required documents are collected and filed appropriately.
• Manage labor law poster program, including vendor management and posting compliance.
• Assist in developing and updating HR policies and procedures.
• Support payroll processing as needed.
• Provide back‑up support to team members as needed.
• Assist with HR special projects.

Skills

HRIS systems

Workday

ADP

Jobvite

Project management

Communication

MS Office

Confidentiality

Independent worker

Education

Bachelor’s degree in Human Resources or related field

5+ years HR experience

Tools

Microsoft Office Suite

HRIS (Workday/ADP)

Job description

About INNIO Group

INNIO Group is a global distributed energy solutions provider that delivers reliable, flexible, transient, decentralized, modular and efficient power. With a track record of innovation, INNIO designs, manufactures and services high‑performance power systems under its Jenbacher and Waukesha brands. The company delivers power for applications including data centers, microgrids, grid stabilization, industrial energy and gas compression. INNIO operates a global installed base across approximately 100 countries as of December 31, 2025, supported by a resilient, high‑margin services business that delivers long‑term, recurring revenues across the full equipment lifecycle. As electricity demand accelerates—driven by AI, electrification and grid constraints—INNIO enables scalable, behind‑the‑meter power generation with high efficiency, fast start capability, strong transient performance and fuel flexibility, including hydrogen‑ready solutions. INNIO employs over 5,000 people worldwide and is committed to moving energy forward.

Overview

As HR Generalist you will work within our HR team supporting Jenbacher Operations at our Waukesha facility/site. The HR Generalist is responsible for supporting a wide range of human resources functions for assigned business group(s). Key responsibilities include managing employee relations, supporting performance management processes, coordinating onboarding and offboarding activities, and ensuring compliance with employment laws and internal policies. This role also involves maintaining accurate personnel records, supporting immigration and audit-related matters, and assisting with payroll processing and HR special projects. The HR Generalist also contributes to policy development, labor law compliance, and the maintenance of HR systems and documentation.

Key Responsibilities

• Manage employee relations for assigned business group.
• Answer frequently asked questions from applicants and employees relative to standard policies, benefits, hiring processes, etc.
• Partner with managers in the performance review processes.
• Support the onboarding process for assigned business group to ensure a smooth and effective transition for new hires.
• Assist in responding to audits, employment verifications, surveys, etc.
• Support the offboarding process for assigned business group.
• Support immigration/compliance matters.
• Oversee employee personnel files, perform periodic audits of files and records to ensure all required documents are collected and filed appropriately.
• Manage labor law poster program, including vendor management and posting compliance.
• Assist in developing and updating HR policies and procedures.
• Support payroll processing as needed.
• Provide back‑up support to team members as needed.
• Assist with HR special projects.

Minimum Requirements

• Bachelor’s degree in Human Resources or a related field with 5+ years of HR experience or equivalent combination of experience and education.
• Demonstrated experience with HRIS systems (Workday, Jobvite, ADP preferred).
• Process improvement & project management experience.
• Prior experience in a global matrix structure a plus.
• Ability to work independently on assignments.
• Excellent written and verbal communication ability.
• Ability to maintain confidentiality.
• Strong organizational skills, attention to detail and ability to follow up on matters quickly.
• Proficient in the use of Microsoft Suite (Word, Excel, PowerPoint and Outlook).