Martin Marietta

  • Office Manager

    Job Locations US-WY-Guernsey
    Requisition ID
    Rocky Mountain Division
  • Overview

    Recently ranked at #72 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 27 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


    Responsible for providing administrative support to the Plant Manager. Manage all daily, weekly and monthly administrative support and general accounting functions and operational financial analyses.



    • Responsible for providing administrative support to the Plant Manager
    • Manage all daily, weekly and monthly administrative support and technical accounting functions and operational financial analyses
    • Perform duties related to the following: computerized records maintenance, office management, accounts payable/receivable, cash reconciliations, truck scale sales/shipping documentation, general ledger, production, finished goods/parts/supplies inventories, purchasing and preparation of government and other regulatory reports as required
    • Create and inspire an atmosphere of teamwork with administrative and management staff
    • Assist coordinating various Human Resource functions to include: safety communications, performance and recognition records, personnel and training records, and payroll and timekeeping systems
    • Assist in preparation of any reports and statistics reflecting earnings, profitability, budgeting, forecasting and other financial and variance results analyses
    • Implement and maintain administrative procedures and internal controls in accordance with company policies and procedures
    • Help maintain SOX compliance
    • Perform other duties as assigned

    Minimum Education and Experience

    • Associate Degree in Business Administration or related field preferred or High School Diploma with applicable experience
    • Experience within office setting (mining or manufacturing/industrial facility a plus)
    • Excellent oral and written communication skills
    • Self-motivated, able to work independently
    • Highly proficient to MS programs (Word, Excel, PowerPoint and Outlook)
    • Proficient accounting knowledge and skills
    • Analytical skills
    • Excellent time management, planning and organizational skills; capable of managing multiple tasks


    • 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.