Consider joining the MX Holdings family as a Senior People Operations Manager at our St. Louis, MO location.  In this highly visible leadership role, you will serve as the operational backbone of our HR function — overseeing total rewards, HRIS, people systems, recruiting, and a team of dedicated HR professionals. Reporting to the VP of HR, you will be a strategic partner and hands-on leader, ensuring our programs are competitive, compliant, and aligned with our people-first culture. This is an exciting opportunity for an experienced professional with deep functional expertise to make a meaningful and lasting impact across our family of companies.

Essential Duties and Responsibilities:

Total Rewards and Payroll

• Design, implement, and administer a competitive and integrated total rewards strategy encompassing compensation, benefits, and recognition programs
• Manage the relationship with our outsourced payroll provider, serving as the primary point of accountability for accurate, timely, and compliant payroll processing across all MX Holdings entities
• Oversee compensation program design including annual merit cycles, salary structure reviews, incentive plan administration, and market benchmarking
• Administer employee benefits programs including health, dental, vision, life, disability, and 401(k); manage open enrollment and carrier relationships
• Ensure compliance with applicable regulations including COBRA, HIPAA, ERISA, ACA, PCORI, and CMS requirements
• Analyze and assess the effectiveness of current total rewards programs; benchmark against market data and recommend enhancements
• Prepare and oversee annual discrimination testing on Section 125 plans and other required filings

HRIS

• Own the strategy, administration, and integrity of MX Holdings’ HRIS (ADP Workforce Now), ensuring accurate and complete employee data across all modules
• Manage system configuration, module rollouts, integrations, and vendor relationships in partnership with the HRIS vendor
• Oversee data security, access controls, and compliance with data privacy requirements across HR systems
• Develop, maintain, and distribute HR reports and dashboards; support ad-hoc data requests from business leaders and HR partners
• Evaluate emerging HR technology solutions and lead implementation of new tools that enhance the employee experience

People Systems

• Lead the administration of people systems supporting annual reviews and compensation review cycles; identify opportunities to improve efficiency and user experience
• Lead succession planning efforts for the team by identifying high-potential talent, maintaining a pipeline of ready-now and future candidates, and partnering with leadership to close critical capability gaps
• Drive the development planning process for direct and indirect reports, ensuring each team member has a meaningful, actionable IDP aligned to both business priorities and individual career goals
• Champion the employee engagement survey process end-to-end, driving participation and communicating results to facilitating action planning conversations with the team and holding leaders accountable for follow-through
• Analyze engagement survey data to identify trends, surface key themes, and translate insights into targeted initiatives that measurably improve team culture and retention

Talent Acquisition

• Oversee the full-cycle recruiting function, ensuring a consistent, efficient, and equitable hiring process across all MX Holdings companies
• Lead, coach, and develop the talent acquisition team; establish sourcing strategies, metrics, and best practices
• Partner with hiring managers and business leaders to understand workforce needs and develop targeted recruiting strategies
• Manage the applicant tracking system and ensure data integrity and compliance across all open requisitions
• Champion a positive candidate experience and strengthen MX Holdings’ employer brand across all recruiting touchpoints
• Monitor recruiting KPIs (time-to-fill, quality of hire, offer acceptance rates, etc.) and use data to continuously improve performance
• Ensure recruiting practices comply with EEO and applicable employment laws

People Operations Leadership

• Lead, mentor, and develop a team, fostering a collaborative, high-performance team culture
• Serve as a trusted advisor to HR leadership and business partners on people operations matters
• Identify and implement process improvements that increase efficiency, reduce risk, and improve the employee experience
• Contribute to broader HR strategy and cross-functional initiatives as a key member of the HR leadership team
• Performs other duties as assigned

Ideal Candidate Will Have:

Education

• Bachelor’s degree in Human Resources, Business Administration, Finance, or a related field required

Experience

• 8–10+ years of progressive HR experience, with demonstrated breadth across total rewards, HRIS, and recruiting
• 3+ years of direct people management experience with a track record of developing high-performing teams
• Experience managing outsourced payroll vendors and overseeing multi-state payroll compliance
• Preferred: SHRM-SCP, SPHR, or CCP (Certified Compensation Professional) designation

Required Skills, Knowledge, and Abilities

• Hands-on experience with ADP Workforce Now; advanced proficiency across HRIS, payroll, and reporting modules strongly preferred
• Demonstrated knowledge of federal and state wage and hour laws, tax provisions, labor law, and benefit-related regulations
• Deep expertise in benefits administration including 401(k) plans and compliance with COBRA, HIPAA, ERISA, ACA, and related regulations
• Experience administering or overseeing performance management, engagement, and compensation review cycles using HR technology platforms
• Proven track record of managing full-cycle recruiting functions, including ATS administration and employer brand development
• Strong data analysis skills with the ability to translate HR metrics into actionable insights for leadership
• Excellent verbal and written communication skills; ability to effectively present and influence at all levels of the organization
• Strong organizational skills with the ability to manage multiple priorities and deadlines simultaneously
• High attention to detail with a commitment to data accuracy and process excellence
• Demonstrated ability to lead change, build collaborative relationships, and drive continuous improvement
• Proficient in Microsoft Office Suite (Word, Excel, PowerPoint, Outlook, Teams)
• Must be eligible to work in the United States; visa sponsorships are not available
• Must have regular attendance and be available to work on-site in our St. Louis, MO location
• Must be able to pass a pre-employment background check, drug screen, and assessment

Preferred Skills

• Experience in a manufacturing, industrial, or multi-site environment
• Familiarity with FMLA, ADA, AADA, and related federal and state leave laws
• Experience with tax filing in a multi-state environment
• Experience evaluating and implementing new HR technology platforms

Perks of the Job

• Medical, dental and vision insurance
• Disability and life insurance
• 401(k) with matching contribution
• Generous allotment of paid vacation and paid holidays
•  Enterprise-wide winter break between Christmas and New Year’s holidays
• Competitive wages plus performance-based bonus opportunities
• Employee Assistance Program (EAP)
• Headspace Account for improved emotional well-being
• Ongoing training and professional development
• Ample opportunity for career growth and advancement
• Paid time off for all new parents
• Relocation package may be available, if applicable

Why Our People Love Working Here

• Purpose-driven, friendly, open, and respectful culture
• Highly engaged workforce – as indicated by best-in-class engagement scores
• NEW FOR 2026! Summer Hours- Hybrid work schedule from Memorial Day through Labor Day, consisting of 3 in-office days and 2 remote days per week
• NEW FOR 2026! Up to 10 remote workdays permitted between Labor Day and Memorial Day during normal business hours
• Shared core values of safety, integrity, caring and growth
• Leaders committed to building more diverse, inclusive teams
• On-Demand pay via DailyPay
• Robust recognition and reward program
• Community Impact opportunities including additional time off to volunteer and charitable match up to $250 per employee
• Tuition reimbursement
• Complimentary refreshment bar with beverages and snacks
• Employee discount program with hundreds of partner brands
• Wellness incentive program
• Regular employee celebrations and events

Who We Are

Celebrating 50 years in 2024, MX Holdings is a global leader in the purchasing, processing, and manufacturing of non-ferrous metals, primarily Aluminum. Enabled by our breadth of experience and deep expertise, we are proud to deliver top-quality products and services to customers across our family of brands — including Metal Exchange and Pennex.

But it’s not just what we do that sets us apart, it’s how we do it. Safety. Integrity. Caring. Growth. These core values are embodied by each member of our team; guiding every action we take and decision we make. Whether it’s driving innovation within our industry, making the impossible possible for our customers, providing a safe, respectful workplace for employees or supporting our local communities, our purpose is clear. We are dedicated to impacting our world in a positive way.

If you are a like-minded individual with a strong ability to problem solve, collaborate and effectively communicate, MX Holdings may be the perfect place for you to grow your career.

Our Commitment to Inclusion

We welcome people of different backgrounds, abilities and perspectives. To ensure our business and culture continue to be inclusive of all people, we never discriminate on the basis of race, religion, national origin, gender identity or expression, sexual orientation, age or marital status, veteran or disability status. MX Holdings and our family of companies are proud to be equal opportunity employers. Additionally, all your information will be kept confidential according to EEO guidelines. Should you have any questions or require special assistance completing your application, please email jobs@mxholdings.com.

Qualified Applicants must be legally authorized for employment in the United States and not require employer sponsored work authorization now or in the future for employment in the United States.

Our salary ranges are primarily determined by role, level, and location. The range provided for each job posting reflects the minimum and maximum target salaries for the position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training. 

 Confidentiality Agreement Required: Yes