[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 · South Windsor, CT # Administrative Assistant Sales South Windsor, CT, US Full-time $58,000-$62,000 year Sales Listed on EMCOR Group’s official careers site. Posted October 2, 2026. Check that it is still open and apply there. [Apply on EMCOR Group’s careers site →](https://careers-emcorgroup.icims.com/jobs/52865/administrative-assistant-sales/job?in_iframe=1) [OpenNash Jobs](https://jobs.opennash.com/) / [EMCOR Group](https://jobs.opennash.com/companies/emcor-group/) / Administrative Assistant Sales ## Job description ### About Us We offer single-source facilities services solutions, including engineering, design, installation, repair, maintenance and operations for commercial real estate, financial, healthcare, technology, educational, and industrial facilities. ### Job Summary New England Mechanical Services, Inc. is seeking an Administrative Sales Assistant to provide administrative support to sales teams across multiple branch offices, ensuring the timely and accurate completion of administrative processes for central office operations. This role is responsible for preparing proposal letters, assembling booking packages, processing sales lead incentives, and tracking additional work requests within the company's ERP system. The position also supports the sales organization by maintaining accurate customer and sales data within the CRM system. #nemsi ### Essential Duties & Responsibilities Prepare and process proposal letters and sales documentation. Assemble and submit booking packages for central office processing. Track and manage sales lead incentive documentation. Monitor and update additional work requisitions in the ERP system. Enter, update, and maintain accurate customer and sales information in the CRM system. Provide administrative support to sales personnel across multiple branch locations. Ensure accuracy, completeness, and timeliness of all administrative records and reports. Communicate effectively with internal teams to support sales operations and customer requirements. Perform additional administrative duties as assigned. ### Qualifications 2 to 3 years of prior administrative or office experience required. Associate degree (2-year college degree) preferred. Proficiency in Microsoft Office applications, including Word, Excel, Outlook, and PowerPoint. Strong organizational and time-management skills. High attention to detail and accuracy. Self-motivated with the ability to work independently and manage multiple priorities. Excellent verbal and written communication skills. Strong follow-up and customer service skills. Experience with CRM and ERP systems preferred. ### Core Competencies Organization and planning Attention to detail Communication and teamwork Problem-solving Time management Customer focus Data accuracy and record management Physical Demands This position is in-person in an office working environment. 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. Geographic Disclosure Compensation rate $58,000-$62,000 yearly Benefits: We are committed to providing employees with 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. ## At a glance - Posted by the employer: Oct 2, 2026 - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 16 days - Location: South Windsor, CT, US - Employment type: Full-time - Pay: $58,000-$62,000 year[Apply on EMCOR Group’s careers site →](https://careers-emcorgroup.icims.com/jobs/52865/administrative-assistant-sales/job?in_iframe=1) ## More jobs at EMCOR Group ### [Contract Administrator](https://jobs.opennash.com/companies/emcor-group/jobs/ce2cdc0a85a96708a768/) South Windsor, CT, US ### [HVAC Chiller Service Technician](https://jobs.opennash.com/companies/emcor-group/jobs/cff53eeede54477a1740/) South Windsor, CT, US ### [HVAC Service Technician](https://jobs.opennash.com/companies/emcor-group/jobs/02e64323da5b6f4e695d/) South Windsor, CT, US ### [Microsoft Dynamics CRM Developer](https://jobs.opennash.com/companies/emcor-group/jobs/cf6e45482c20216ac8b0/) South Windsor, CT, US ### [Mobile Device Administrator & Trainer](https://jobs.opennash.com/companies/emcor-group/jobs/ed2e2b0c828aa94e197f/) South Windsor, CT, US ## Similar jobs at other companies ### [Sales Administrative Assistant - Hilton Houston Americas](https://jobs.opennash.com/companies/hilton-worldwide-holdings/jobs/3ace2dea1fbce3dbe0d8/) Hilton Worldwide Holdings · Houston, TX, United States ### [Senior Administrative Assistant](https://jobs.opennash.com/companies/humana/jobs/e7b3bf6c796fa355426d/) Humana · Richardson, Texas ### [Administrative Assistant - N2](https://jobs.opennash.com/companies/lockheed-martin/jobs/9f810d4259b11f741581/) Lockheed Martin · Johnstown, PA ### [Administrative Assistant Specialist](https://jobs.opennash.com/companies/lockheed-martin/jobs/94a48476489af93e46d7/) Lockheed Martin · Camden, AR ### [Administrative Assistant](https://jobs.opennash.com/companies/eaton/jobs/044988ade152696b3c7d/) Eaton · Worcester, Massachusetts, USA OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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