Senior Benefits & Human Resources Specialist

About Us

By combining a rich legacy in the power and gas compression space with pioneering technology, INNIO brings our customers affordable, reliable, and sustainable energy solutions for today—and tomorrow. We are helping to meet today’s energy needs with 64 GW of installed capacity and 48,000 of our powerful Jenbacher and Waukesha engines, which can be found in more than 100 countries. And, by harnessing our history of energy industry firsts along with the power of digital innovation, we will continue to deliver for the future.

Our fuel-flexible Waukesha gas engines are designed for reliable performance in isolated, mission-critical and demanding applications, delivering dependable energy even under high-stress conditions. It’s time to take engines to a place no one else can. Welcome to INNIO!

We are looking for a proactive and detail-oriented

to join our dynamic HR team. This role is ideal for an HR professional with 3–5 years of experience who is eager to broaden their expertise across HR Functions in a multi-state environment.

As a key member of the team, you will assist in the management of employee benefit programs, support payroll review processes, and contribute to HR operations including immigration and compliance. This is a fantastic opportunity for someone looking to deepen their HR knowledge and gain exposure to international HR practices.

- Serve as primary point of contact to provide guidance to employees on benefits, payroll, and other related Human Resources related inquiries and issue resolution, responding promptly and professionally.

- Coordinate benefit administration activities including enrollments, changes, terminations, COBRA notifications, and vendor coordination.

- Collaborate with payroll and serve as backup payroll processing contact, administering and auditing to ensure compliance with internal procedures and external regulations.

- Maintain and update benefit enrollment systems to ensure accurate data integrity (Workday & ADP).

- Collaborate with HR, Finance, and third-party vendors to ensure timely and accurate delivery of benefit services.

- Prepare documentation and develop schedule for internal audits, compliance reviews, and reporting needs.

- Own and execute the benefits billing and reconciliation process, ensuring timely payments and accuracy with internal records.

- Monitor and stay current on relevant laws and regulations affecting payroll and benefits, and support the implementation of necessary updates.

- Assist with the administration of immigration/global mobility employees, including coordinating with internal teams, tracking visa status, supporting relocation activities for international employees.

- Assist with the administration of various benefit and payroll related orders such as wage garnishments, Qualified Medical Support Notices, Qualified Domestic Relations Orders, Court Orders, etc.

- Collaborate with cross-functional teams (HR, Finance) to identify areas to streamline benefits and payroll administration, resolve discrepancies and ensure compliance with company policies.

Minimum Requirements

- Associate’s degree in Human Resources, Accounting, Business Administration, or related field (Bachelor’s preferred).

- Three to five years of experience in benefits administration or related field.

- Proficiency in HRIS / payroll systems and Microsoft Excel (ADP & Workday preferred).

- Strong analytical and problem-solving abilities with strong attention to detail.

- Excellent communication skills with a strong service mindset.

- Ability to handle sensitive information with confidentiality and discretion.

- Capable of managing multiple priorities and meeting deadlines reliably.

Ideal Candidate Attributes

- You’re a self-starter who thrives in environments where you can take ownership and drive change.

- You’re excited by the opportunity to build out and shape a growing role, not just maintain it.

- You bring a creative and strategic mindset, willing to think outside the box to improve processes and elevate the employee experience.

- You’re comfortable navigating ambiguity and are eager to write the playbook for this position, laying the foundation for future HR practices.

- You see this role as a learning opportunity, where you can expand your HR expertise across benefits, payroll, compliance, and immigration in a multi-state, global organization.

- You value collaboration but are also confident working independently to research, recommend, and implement solutions.

#Waukesha