**Description** Mesa Energy Systems is a wholly owned subsidiary of EMCOR Group, Inc. EMCOR is the world’s leading provider of mechanical and electrical construction and facilities services, including planning, consulting, and operations and maintenance. Mesa Energy Systems is a HVAC mechanical services company that provides fully integrated solutions for preventative maintenance and repair, upgrading existing mechanical, electrical, and controls systems to provide the most efficient economic solutions to meet customer expectations. **Job Title:** Office Administrator **Principal Duties and Responsibilities** + Provide primary telephone coverage as well as back-up to ensure continuous phone coverage is maintained. Requires prompt and pleasant answering of telephones and taking accurate messages. + Performs a diversity of secretarial and project coordination duties, including composing correspondence, compiling reports, word processing, spreadsheet creation and manipulation of reports, emphasis on creating and manipulating spreadsheets. + Maintain contractor/vendor files, purchasing records, etc. + Copies data and complies records and reports + Manage, organize, and maintain various filing systems + Process P-cards daily in Coins database and send weekly P-card scorecard to Ops manager + Provide and process PO’s. Complete each POs with proper vendor information, job and work order info with purchase detail and submits to AP. + Complete and provide any requested missing POs to AP as inquired weekly by Irvine AP dept. + Provide work order numbers to AP + Assist Warehouse Manager with Refrigerant Tracking report outs + Manage all office supplies and place orders to replenish as needed on a weekly or bi-weekly basis + Learn the basic tasks to back up the Service Coordinator(s) during their lunch period or vacation. **Job Specifications** (incl. Education requirements, minimal experience, computer skills required, etc.) + High School Diploma preferred or equivalent experience + 2 years' experience in an office environment. + 2 years' work experience with Microsoft Excel and Word + Strong oral and written communication skills *Bilingual a plus + Excellent organization and interpersonal skills + Excellent customer service communications As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success. Equal Opportunity Employer/Veterans/Disabled. **Compensation Range:** $22 - $28 per hour **Benefits:** We are committed to providing employees a comprehensive benefits package which includes medical, dental, and vision coverage, along with health savings and flexible spending accounts, life insurance, disability, a 401(k) Savings Plan, College Coach and employee assistance program. **Notice to prospective employees:** There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companies list open positions here. Please check our available positions to confirm that a post or email is genuine. \#Mesa \#LI-mesa \#LI-hvacjobs \#LI-Onsite