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Marmon Holdings

Senior HR Generalist

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Union Tank Car Company

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best.

At UTLX and Procor, we’re driven by a clear purpose—Together, We Keep Our World Moving Forward—and powered by people who bring energy, integrity, and a passion for making an impact every day. As a Senior HR Generalist, you’ll play a key role in shaping the employee experience across the full lifecycle, partnering with leaders and employees to deliver thoughtful, responsive, and high-quality HR support. We’re looking for someone who thrives in a fast-paced, collaborative environment and is energized by building trust, strengthening teams, and driving continuous improvement. If you’re motivated by meaningful work and the chance to help create a workplace where people can do their best work, we’d love to hear from you.

BASIC REQUIREMENTS:

MUST RESIDE WITHIN COMMUTING DISTANCE OF OUR CHICAGO HQ OFFICE FOR A HYBRID (MINIMUM 3 DAYS/WEEK) ENVIRONMENT.

CANDIDATES MUST BE ELIGIBLE TO WORK IN THE USA WITHOUT VISA SPONSORSHIP NOW OR IN THE FUTURE.

Position Summary
The Senior HR Generalist leads core HR programs and processes that support the employee lifecycle, employee experience, compliance, and organizational effectiveness. This role oversees day-to-day HR operations, employee relations administration, onboarding and offboarding, engagement initiatives, internal employee communications, benefits coordination, reporting and talent processes. Partnering closely with HR leadership and business leaders, this position ensures HR programs are implemented effectively, managers and employees receive timely support, and processes remain compliant, organized, and scalable. The role requires a strong service mindset and a commitment to responsive, compassionate, and trustworthy support.

Core Responsibilities

  • Lead HR programs across talent management, employee engagement, onboarding, offboarding, benefits administration, and HR operations. Including employee training.
  • Serve as a trusted first point of contact for employees and managers, providing timely, professional support on HR questions and routine requests.
  • Manage routine employee relations matters, including performance concerns, attendance issues, policy interpretation, complaints, corrective action documentation, and termination coordination.
  • Administer HR processes such as performance reviews, goal tracking, succession planning documentation, employee surveys, reporting, and follow-up tracking.
  • Own onboarding and offboarding, including orientation, first 90-days experience, manager tools, feedback loops, and retirement logistics.
  • Draft and distribute employee communications, including employee announcements, leader toolkits, and change materials.
  • Maintain HR records, documentation, policies, HRIS data and process governance to support compliance and operational consistency.
  • Coordinate benefits-related support, leave and accommodation administration, return-to-work processes, and open enrollment in partnership with key stakeholders.
  • Manage intern program logistics with recruiting and business leaders.
  • Prepare reports, dashboards, and presentation materials, incorporating analytics and AI tools to support HR operations, reporting, and program execution.
  • Partner with HR leadership on talent, engagement, and workforce initiatives through data, documentation, coordination, and execution support.
  • Hybrid Chicago-based role with minimum 3 days per week required in-office.

Skills and Competencies

  • Strong knowledge of HR practices across employee relations, performance management, onboarding and offboarding, engagement, compliance, and HR operations.
  • Excellent communication and relationship-building skills, with sound judgment and discretion in handling sensitive information.
  • Highly organized with the ability to manage multiple priorities, maintain accurate documentation, and meet deadlines.
  • Strong analytical and problem-solving skills, including preparing reports, dashboards, trackers, and presentations to support decision-making.
  • Proficiency in HR systems, Microsoft Office applications, and AI-enabled tools, particularly for data analysis, reporting, presentation development, and routine HR operations.
  • Ability to work independently, adapt to changing priorities, and contribute effectively in a fast-paced environment.

Education and Experience

  • Bachelor’s degree in Human Resources, Business Administration, Organizational Development, or a related field required.
  • 5–8 years of progressive HR experience preferred, with broad exposure to employee relations, HR operations, talent processes, compliance, communications, and program administration.
  • Experience supporting managers and employees (both hybrid and remote) in a generalist, business partner, or HR operations role strongly preferred.
  • Experience administering performance management, onboarding and offboarding, engagement initiatives, reporting, and HR process documentation required.

Preferred Qualifications
Professional HR certification such as PHR, SPHR, SHRM-CP, or SHRM-SCP a plus. Proven ability to provide practical HR guidance, execute programs with accuracy and professionalism, and support a positive employee experience through responsive service.

Pay Range:

99,000.00 - 121,000.00

We offer a comprehensive benefits package that may include medical, dental, vision, 401k matching, and more!

Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law.

We are an equal opportunity employer, and all applicants will be considered for employment without attention to their membership in any protected class. If you require any reasonable accommodation to complete your application or any part of the recruiting process, please email your request to careers@marmon.com, and please be sure to include the title and the location of the position for which you are applying.