[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All EMCOR Group jobs](https://jobs.opennash.com/companies/emcor-group/) · [Search jobs](/search/) EMCOR Group · Cushing, OK # Site Administrator - Stillwater, OK Cushing, OK, US Full-time Administrative Listed on EMCOR Group’s official careers site. Posted October 14, 2026. Check that it is still open and apply there. [Apply on EMCOR Group’s careers site →](https://careers-emcorgroup.icims.com/jobs/53371/site-administrator---stillwater%2c-ok/job?in_iframe=1) [OpenNash Jobs](https://jobs.opennash.com/) / [EMCOR Group](https://jobs.opennash.com/companies/emcor-group/) / Site Administrator - Stillwater, OK ## Job description ### About Us We perform installation, rigging, millwrighting, and maintenance for manufacturing and industrial markets across the Southeast. ### Job Summary Southern Industrial Constructors, Inc. is seeking a Site Administrator for a job-site located in Stillwater, OK. Performs both Office Administration and processing functions in an office or client site setting. #SIC #LI-SW1 #LI-onsite ### Essential Duties & Responsibilities Type daily T&M time sheets by cost code from the foreman time sheets. Prepare weekly group time and per diem sheets and process time off requests. Create cost codes as needed. Order miscellaneous construction consumables, materials and safety supplies. Compile all signed time sheets for billing. Assist with preparing billing invoices. Prepare credit card and cash expense forms. Assist employees with questions (accessing pay stubs, insurance, 401k or other miscellaneous HR questions). Approving invoices in document management. Run various cost reports as needed in Timberline. May need to pick up hot items from Lowes, Fastenal, etc. Other duties as assigned. ### Qualifications Conduct business and interactions with a positive attitude that projects the highest levelof professionalism. Associates Degree in business administration, safety or related field preferred. Computer skills to include MS Word, Excel, Outlook, database management. Basic clerical skills to include data entry, report preparation, file maintenance, scheduling appointments, and preparing invoices/bills for payment. Strong interpersonal communication, attention to detail, organization, and follow-up skills. Clear driving record #sic Work Environment Conditions include working in an office, with occasional entry into shop, busy traffic areas, and warehouses. Occasional exposure to dirt, dust, grease, oil, vibrations, and adverse weather conditions. Must be able to safely access all areas of property. Must be able to effectively use any required PPE equipment. Potential Jobsite Visits. Equal Opportunity Employer 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. Affirmative Action Policy Please review our Affirmative Action Policy. ### Notice to Prospective Employees 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. EMCOR Group and its companies do not reach out to individuals to help with marketing or other similar services. If an individual is contacted for services outside of EMCOR’s normal application process – it is probably fraudulent. ## At a glance - Posted by the employer: Oct 14, 2026 - First seen by OpenNash: Oct 18, 2026 - Last checked: Oct 18, 2026 - Listed for: 4 days - Location: Cushing, OK, US - Employment type: Full-time[Apply on EMCOR Group’s careers site →](https://careers-emcorgroup.icims.com/jobs/53371/site-administrator---stillwater%2c-ok/job?in_iframe=1) ## More jobs at EMCOR Group ### [Accounts Receivable Administrator (On-Site)](https://jobs.opennash.com/companies/emcor-group/jobs/2b7d48e8992cf493ebd2/) Sunnyvale, TX, US ### [Administrative Assistant](https://jobs.opennash.com/companies/emcor-group/jobs/9d8729b825d3b2c2fce7/) Champaign, IL, US ### [Administrative Assistant](https://jobs.opennash.com/companies/emcor-group/jobs/6d3c6fedd8afa393bb6f/) Lanham, MD, US ### [Administrative Assistant](https://jobs.opennash.com/companies/emcor-group/jobs/2aa6a3bbca4507473734/) Louisville, KY, US ### [Administrative Assistant](https://jobs.opennash.com/companies/emcor-group/jobs/c0a091eb6db1537afdb1/) South Bend, IN, US ## Similar jobs at other companies ### [Site Administrator](https://jobs.opennash.com/companies/comfort-systems-usa/jobs/66d2f5cbbb5631783196/) Comfort Systems USA · High Point, NC ### [Ad Coordinator Hybrid Stillwater Mn Merchandising Us Mn Stillwater](https://jobs.opennash.com/companies/united-natural-foods/jobs/acb71b0abffe6677ec78/) United Natural Foods · Stillwater, MN, US ### [Sr Manager Merchandising Analytics Hybrid Stillwater Mn Merchandising Us Mn Stillwater](https://jobs.opennash.com/companies/united-natural-foods/jobs/39d50d08a5d4360d2133/) United Natural Foods · Stillwater, MN, US ### [Site Administrator](https://jobs.opennash.com/companies/us-bancorp/jobs/1818f5f2febc54de50c3/) US Bancorp · Earth City, MO ### [Contact Center Administrator (On-site)](https://jobs.opennash.com/companies/rithm-capital/jobs/b88eb15593e8b9704045/) Rithm Capital · TX, Coppell OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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