Senior Administrative Assistant

Location Name: Jamestown, NM
Job/Requisition ID: 54816
Location Address: 92 Giant Crossing Road, Jamestown, NM, United States (US), 87347
Education Level: High School Diploma/ GED Required
Relevant Experience Level: Entry Level (1-3 Years)
Employee Group: Regular – Full Time
Employee Subgroup: Salaried Non-Exempt

Job Summary

Provides administrative assistance and support to the Refinery General Manager and Human Resources Manager.

  • Plans, organizes, and coordinates meetings/functions including lunches if requested
  • Supports the rewards and recognition programs for the refinery
  • Supports the contributions committee, prepares agenda, documents meetings/events, and assists in coordinating community activities
  • Responsible for the Refinery’s Picture Organizational Chart
  • Assists and provides support to new employee onboarding process
  • Provides back up for Facilities Administrative Assistants as needed
  • Schedules travel, completes expense reports, arranges visits and agendas
  • Coordinates Refinery General Manager schedule
  • Schedules meetings and manages conference rooms
  • Schedules travel, completes expense reports, arranges visits and agendas
  • Prepares itineraries
  • Coordinates company visits and agendas
  • Develops communications newsletters
  • Prepares external communications as directed
  • Reviews incoming correspondence and makes decisions regarding priorities
  • Manages signature approval of AFE’s

Minimum Requirements

  • High school diploma or general education degree (GED) plus3 years related experience.

About Marathon Petroleum Corporation

Marathon Petroleum Corporation (NYSE: MPC) is a large-scale geographically-diversified and highly -integrated refining, marketing and midstream company. MPC is the nation’s largest refiner, with a crude oil refining capacity of more than 3 million barrels per calendar day in its 16-refinery system. MPC’s high-quality, nationwide retail and marketing business includes approximately 3,900 company-owned and -operated stores and 7,800 branded locations. MPC owns the general partners of MPLX LP and Andeavor Logistics LP, two strong, customer-focused midstream master limited partnerships.

Travel Expected

Marathon Petroleum Company LP is an Equal Opportunity Employer and gives consideration for employment to qualified applicants without discrimination on the basis of race, color, religion, creed, sex, gender (including pregnancy, childbirth, breastfeeding or related medical conditions), sexual orientation, gender identity, gender expression, age, mental or physical disability, medical condition or AIDS/HIV status, ancestry, national origin, genetic information, military, veteran status, marital status, citizenship or any other status protected by applicable federal, state, or local laws. If you would like more information about your EEO rights as an applicant,

If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at Please specify the reasonable accommodation you are requesting, along with the job posting number in which you may be interested. A Human Resources representative will review your request and contact you to discuss a reasonable accommodation.

Equal Opportunity Employer: Veteran / Disability

Marathon Petroleum Company LP participates in the E-Verify program in some states in which it operates (including AL, AZ, GA, MS, NC, SC, TN, and UT). For more information before proceeding, please see details in