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Human Resources Representative

Martin Marietta
Columbia, MO Full Time
POSTED ON 9/30/2026
AVAILABLE BEFORE 12/18/2026
Description

Position Summary

The Human Resource Representative position is responsible for performing HR-related duties on a professional level and works closely with business partners and HR leaders in supporting the business with complex and specialized administrative tasks.

This position is responsible for supporting the administration, coordination and evaluation of the human resource functions. This includes the ability to attract, hire, develop and retain employees in the respective area of responsibility. Carrying out responsibilities in the following functional areas: hourly recruitment, employment law compliance, onboarding, HRIS, employee relations, training, affirmative action and employment law compliance.

Responsibilities

  • Partner with leadership to develop effective work environments, drive culture change, and produce working conditions which safely maximize the effective use of human capital that results in maximum productivity, profitability and job satisfaction
  • Act as a resource for employees and management on employee relations issues
  • Administer and monitor salary/hourly wage planning and make recommendations within plans
  • Coordinate with HR Manager and leadership on the formulation and/or modification of Human Resource policies
  • Ensure compliance with all Federal, State and Local programs, as well as, the company & business unit programs
  • Provide administrative services as necessary to ensure all above duties and functions are performed successfully
  • Perform investigations and recommend course of action, as needed

Requirements

Education

  • Bachelor's degree in HR or business-related field or equivalent experience required.
  • PHR, SPHR, SHRM-CP, SHRM-SCP certification preferred.

Experience

  • 3 years of experience in the HR field as a generalist or administrator role
  • Highly proficient in MS Office suite

Skills

  • Demonstrated record of excellent customer service and process improvement
  • Thorough knowledge of employment and benefits programs, procedures, and administration
  • Ability to work efficiently with managers and employees at all levels of the organization
  • Good working knowledge of state and federal legislation relating to employment, such as ADA, EEOC, etc., and related knowledge of Workers’ Compensation and unemployment regulations
  • Excellent verbal and written communication skills
  • Ability to work with minimal supervision
  • This job operates 40% of the time in mining locations to include quarries, mines and remote offices. 60% of the time will be in a professional office environment and will include frequent overnight travel.

A member of the S&P 500 Index, Martin Marietta is an American-based company and a leading supplier of heavy building materials – including aggregates, cement, ready-mixed concrete and asphalt. Through a network of operations spanning 28 states, Canada and the Bahamas, dedicated Martin Marietta teams supply the foundational resources upon which our communities thrive. Martin Marietta's Magnesia Specialties business produces high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications.

At Martin Marietta, we strive to work with the best and the brightest – those who have the potential to become our company's future leaders. Each of our roughly 9,500 people shares a common purpose regardless of their professional role or work environment. Together, we utilize our diverse skills and experiences to drive our company and its extraordinary culture forward. Our aim is to build on our foundation of success and help values-driven and hardworking people realize their full potential. When you decide to invest your career in Martin Marietta, you'll know what it's like to be respected, challenged and rewarded.

In return, we offer a highly competitive benefits package, including:

  • Medical
  • Prescription Drug
  • Dental
  • Vision
  • Health Care Reimbursement Account
  • Dependent Care Reimbursement Account
  • Wellness Programs
  • Employee Assistance Plan
  • Paid Holidays and Vacation
  • 401(k) with Company matching
  • Pension
  • Salary Continuation – Short-Term Disability
  • Long-Term Disability Options
  • Employee Life Insurance
  • Spouse & Dependent Life Insurance
  • Business Travel Accident Insurance
  • Direct Deposit Payroll
  • Educational/Tuition Assistance Plan
  • College Scholarship Program – for dependent children
  • Matching Gift Program
  • New Auto Purchase Discount Plans

At Martin Marietta, we are proud to be an Equal Opportunity Employer. We are committed to providing an environment of mutual respect where equal employment opportunities are available to all qualified applicants and teammates. We celebrate diversity and commit that qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Salary.com Estimation for Human Resources Representative in Columbia, MO
$66,523 to $81,536
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