Martin Marietta

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HR Adminstrative Assistant

HR Adminstrative Assistant

Requisition ID 
Job Locations 
Rocky Mountain Division

More information about this job


Recently debuting at #57 on Fortune magazine’s list of the 100 Fastest-Growing Companies in the world, Martin Marietta, a member of the S&P 500 Index, employs more than 8,500 employees at operations spanning 26 states, Canada and the Bahamas. A leading supplier of aggregates and heavy building materials, dedicated teams at Martin Marietta supply the resources for the roads, sidewalks and foundations on which we live.


At Martin Marietta, we are always looking for the best and the brightest, for people who have the potential to be the Company's future leaders. We are building on our foundation of success by selecting the finest people and helping them realize their potential. When you decide to build your career at Martin Marietta, you'll know what it's like to be respected, challenged and rewarded.


Position Summary


This position provides heavy data entry and general clerical/administrative support to the Human Resources/Safety team supporting the operations in the Rocky Mountain Division. This position reports to the HR Manager and will be located in Lakewood, Colorado.



  • Operates as the backup to the two HR Administrators, filling in during vacations/sick time etc...

  • Provides general HR administrative support and assists with needs for information from the JD Edwards system, employment files, and other information sources.

  • Maintains various human resources, employment and benefits related files. Keeps filing accurate and up to date.

  • Processes all incoming New Hire paperwork and ensures accuracy and compliance with I-9 and other legal requirements.

  • Assembles new hire packets and provides Human Resources forms/materials to plants as needed.

  • Processes employment verifications.

  • Processes HR related invoices.

  • Works with HR Manager on recruiting activities that include, but are not limited to, screening applications, attending job fairs, checking references, arranging travel for out of town candidates, posting jobs etc...

  • Keep data current in the safety center
  • Enter data in the goldstar website
  • Manage employee recognition distribution
  • Keep emergency contact list current
  • Create timecards for new employees
  • Manage employee termination and new hire files
  • Maintains strict confidentiality of all sensitive employee data, documents, and other information.

  • Maintains thorough knowledge of Martin Marietta employment policies and procedures, forms, etc.

  • Maintains thorough knowledge of benefit and payroll procedures and administration.

  • Perform a wide variety of other administrative duties in support of the HR team and function as needed.

Education, Skills and Experience

  • High School Diploma, GED or equivalent required.

  • At least one year in an HR support role preferred

  • Proficient in MS Office, specifically in Word, Excel and PowerPoint.

  • Experience with data entry

  • Excellent organizational and time management skills, and the ability to prioritize tasks when there are multiple and conflicting demands. Must be able to meet deadlines.


  • Excellent verbal and written communication skills.

  • Ability to work effectively, and communicate positively with managers and employees at all levels of the organization.

  • Must be a team player and a self-starter. Must be able to work independently.

  • Must have a strong Customer Service orientation. Must be a resourceful problem solver.
  • Must be able to work in a stressful, fast-paced environment.

Physical Requirements

  • Ability to sit for extended time periods.

  • Ability to work at least 8 hours per day plus overtime as necessary.

  • Ability to lift up to twenty-five pounds.

  • Ability to stoop, bend, squat and reach for activities such as filing.

  • Ability to use a PC and perform data entry activities for extended time periods.

  • Willingness and ability to travel on an occasional basis.


The statement above are intended to describe the general nature and level of work being performed by people assigned to the job. They are not construed to be an exhaustive list of responsibilities, duties, and skills required of personnel in the job. Furthermore, they do not establish a contract for employment and are subject to change at the discretion of the employer.



  • 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

We are an equal opportunity employer.
Qualified minorities, women, veterans and individuals with disabilities are encouraged to apply.