offpeak

GSI

HR Manager - Plant Operations

1004 E Illinois St, Assumption, IL 62510

On-site · $80k–$115k (as posted)

First seen by offpeak October 5, 2026

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The North America team is seeking a Manager, Human Resources, for our Assumption, IL manufacturing facility.  This key position partners closely with site and functional leaders to build an organization that drives excellence in recruiting, onboarding, employee relations, engagement & development, and total rewards—while reinforcing the behaviors that support GPT’s Winning Culture. This position will report directly to the Assumption Plant Director with a dotted line to the HR Leader of North America Grain. The Manager, Human Resources is ultimately responsible for leading all aspects of the Human Capital Experience in a way that strengthens performance, accountability, and our purpose of Feeding the World Better.

 

Your Impact

 

Leadership Approach

 

Your Experience and Qualifications

 

Your Compensation and Benefits

Expected annual salary for this role will be $80,000 – 115,000, plus annual bonus eligibility. This is dependent upon job related knowledge, experience, and skills.

 

Benefits will include the ability to elect health care and wellness plans, dental and vision plans, flexible and virtual work options (where available), 401(k) Savings Plan with company match, paid holidays, paid time off, health savings and flexible spending accounts, reimbursement for continuing education, life insurance, and other supplemental insurance plans.

 

Your Workplace and Travel

You will be working onsite based in Assumption, IL.

 

We value inclusion and recognize the innovation a diverse workforce delivers to our farmers. Through our recruitment efforts, we are committed to building a team that includes a variety of experiences, backgrounds, cultures and perspectives.

Grain & Protein Technologies is proud to be an Equal Opportunity Employer. We maintain a drug-free workplace and perform pre-employment substance abuse testing.

 

1.      GPT Purpose: Feeding the World Better, through high quality grain and responsibly raised protein

2.      GPT Mission: Make Farmers and Agribusiness Managers more productive and more profitable

3.      GPT Culture: Winning Values and Winning Behaviors that nurtures a “Winners Win” culture of excellence

4.      GPT Approach: Achieve balanced and sustainable success for Employees, Customers, and Owners