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Senior Office Administrator- Contract Administrator

Builders FirstSource

Company : Builders FirstSource

Location : Irvine, CA, 92616

Posted Date : 11 October 2025

Job Type : Contractor

Category : Administrative Assistance

Occupation : Office Administrator

Job Details

Administrative Operations Supervisor

Guides, coordinates, and supervises activities involved in the administration of day to day office operations to include preparing accounting reports, posting A/P, A/R, purchase orders, and various reports. Ensures accuracy, timeliness, and completeness while providing administrative management and support in a wide variety of tasks for the company.

Essential Duties And Responsibilities

  • Supervise various activities of associates to ensure completeness, accuracy, and timeliness. Manage purchasing activities and computer maintenance operations.
  • Monitor and implement internal control procedures.
  • May assist location management team with reports and data entry for productivity measurements.
  • Oversee inventory control, annual physical inventories, and cycle counts.
  • Oversee the preparation of accounting reports, purchase orders, and various reports. Help post accounts receivable and accounts payable as needed.
  • Coordinate day end/month end/case reconciliation and manage general office reporting requirements.
  • Partner with HR to coordinate human resource functions in the areas of recruiting, training, compensation, safety, workers' compensation, and EEO/AA.
  • Supervise location payroll responsibilities including tracking, monitoring, approving, and auditing time.
  • Help maintain the upkeep of new software programs, computer security, and computer training of associates.
  • Provide personnel and/or support to other departments such as sales, customer service, accounts receivable, etc. as needed.
  • Develop and maintain location filing systems.
  • Provide collaboration on developing and maintaining procedures and processes to ensure the successful operation of the location(s).
  • Demonstrate a commitment to the quality improvement process and the philosophy of continuous improvement.
  • Personally provide customers with knowledgeable, courteous, and prompt service at all times.
  • Comply and ensure others comply with all Company policies and procedures.
  • Adhere to the Company's safety standards and enforce safety regulations.
  • Provide safety orientation for new hires.
  • Manage credit card machine operations.
  • Assist other location(s) managers as needed.
  • Other duties as assigned.

Supervisory Responsibilities

Carries out supervisory responsibilities in accordance with the organization's policies and applicable laws. Responsibilities include interviewing, hiring, and training employees; planning, assigning, and directing work; appraising performance; rewarding and disciplining employees; addressing complaints and resolving problems.

Minimum Requirements

  • High School Diploma or GED; Associates degree in relevant field preferred.
  • 3-5 years of related experience Or equivalent combination of education and experience.

Competencies

  • Read, analyze and interpret general business periodicals, professional journals, technical procedures, financial reports, legal documents, and governmental regulations.
  • Write reports, business and simple correspondence, and procedure manuals.
  • Effectively present information and respond to questions from groups of managers, clients, customers, and to the general public.
  • Respond to common inquiries or complaints from customers, regulatory agencies, or members of the business community.
  • Compute rate, ratio and percentages.
  • Calculate figures and amounts such as discounts, interest, commissions, proportions, percentages, area, circumference, and volume.
  • Define problems, collect data, establish facts, and draw valid conclusions.
  • Interpret a variety of instructions furnished in written, oral, diagram, or schedule form.
  • Deal with problems involving several concrete variables in standardized situations.
  • Ability to identify and respond actively and with sensitivity to the needs of all customers.
  • Ability to act and participate as a team player in all phases of the organization.
  • Open and responsive to change.
  • Apply common sense understanding to carry out instructions furnished in written, oral, or diagram form.
  • Knowledge of products and operation.
  • Requires use of tact to avoid conflict in carrying out assignments, as well as exercising continuous judgment.
  • Ability to maintain mental capacity that permits making sound judgements regarding work and have regular attendance.
  • MS Office and Tech-Savvy.

Work Environment / Physical Activity

  • Subject to both typical office environment and outside locations with temperature and weather variations.
  • Must be able to lift and carry up to 25 pounds frequently and on occasion up to 80 pounds.

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