Excellent team

Superior solutions

Continuous opportunity

We take pride in our employee's extensive knowledge and in providing a platform for success. We strive to exceed our clients expectations and for perfection on every job. Our ability to offer turnkey solutions in multiple disciplines with highest standards of excellence is what makes us unique! ESC is an equal opportunity employer, offers competitive wages and benefits.

Become a part of our ESC Family – we look forward to hearing from you!


There are 5 jobs available.
  • Security Sales Executive
    Job Type: Full Time
    Location: West Hartford, CT
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    Environmental Systems Corp (ESC) is a full-service Building Technology Systems provider.  These systems include access control, fire/life safety, mass notification, building automation, energy solutions, systems integration, HVAC/mechanical services, and Audio Visual Control Systems. The Company has successfully operated for over 40 years primarily doing business in the Northeast, focusing on everything from large-scale construction projects to highly complex security integrations. As a pioneer in the building controls market, ESC has built a reputation as a leading edge provider of state-of-the-art building technology solutions with the highest level of customer service.

    ESC  is currently looking for a dynamic Sales Executive to help us grow our Security Solutions business in the Connecticut region.  The Sales Executive will be based out of our West Hartford, CT office and focus on end user sales in addition to pre-construction activities and developing business with Electrical Contractors, General Contractors, and Consulting Engineers.


    Responsibilities Include:

    • Under general supervision, manages and grows assigned territory or group of security solutions accounts
    • Achieves booking and gross margin goals.
    • Develops and implements plans to take advantage of all sales opportunities for assigned customers or territory.
    • Works on team sales with other Salespeople as appropriate. 
    • Effectively performs needs assessments, develops sales proposals, estimates, specifications and presentations.
    • Strategic Account Planning and Management
    • Coordinate cross-selling to existing ESC customers from our divisional business units.
    • Coordinate and present technical symposium’s to customers and end-users
    • Support sales promotion campaigns for customers

    Why ESC?

    • Privately owned company with a professional, family atmosphere
    • Competitive base salary plus a commission plan
    • Health, vision, dental insurance
    • Life Insurance, STD and LTD
    • 401k with Company contribution
    • Company Vehicle for business use with gas card
    • Extensive sales and product training and career development


    • 3-5 years of meeting and succeeding sales goals for full security solutions / fire alarm and integration products strongly preferred.
    • Extensive experience with CCTV, IP Video, Access Control Systems, Fire Alarm and Intrusion Systems 
    • Effective written and verbal communication skills to give presentations before a broad audience
    • Hunter sales mentality
    • Extensive training in security systems, fire alarm, electronics and system applications software preferred
    • Must have a valid driver’s license in good standing.

    Please send your resume to Kat Duncan, Human Resources Manager - K.Duncan@esccontrols.com

    Apply Now
  • Energy Solutions Sales
    Job Type: Full Time
    Location: West Hartford, CT
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    Join ESC’s industry leading and dynamic Energy Division. We are one of the fastest growing energy conservation companies in New England and are consistently recognized for our work with utilities throughout New England. Our energy team finds, designs and implements large energy conservation projects.

    We are seeking a driven, results oriented, hard charging, self-starter to join our exciting dynamic sales team. This is a unique opportunity for someone with some experience in Energy Conservation to take their career to the next level.

    Key Responsibilities

    • Identify potential customers through cold calling, networking, and referrals.
    • Responsible for maintaining and updating CRM.


    • Excellent communication skills both verbal and written. Must have the ability to communicate with owners, C-suite and facilities personnel.
    • Good understanding of consultative sales approach.
    • Knowledge of Energy Conservation measures i.e. controls, HVAC, steam, air pumps, motors and VFD’s.
    • Understanding of financial models and ability to communicate ROI, incentives, NPV, SIR, etc.
    • 1-3 years of experience in energy conservation sales.
    • Driven for success and passionate about sales.
    • Strong organization and communication skills.
    • Demonstrated ability to effectively manage the sales process for multiple large-scale energy projects simultaneously.
    • Must be looking for a career opportunity with long term growth potential as well as unlimited earnings.


    This is a base plus commission salary structure. ESC offers 401k, health/dental insurance package, vehicle/gas reimbursement.

    Please send your resume to Kat Duncan, Human Resources Manager - K.Duncan@esccontrols.com


    Apply Now
  • Licensed HVAC / Mechanical Technician
    Job Type: Full Time
    Location: West Hartford, CT
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    We are looking for a Licensed technician with experience in working on installation and service of all types of heating cooling systems from small refrigeration systems to larger tonnage split, rooftops, chillers and boilers.

    • Pay Commensurate with experience
    • Benefits include medical, dental, vehicle, 401K and more
    • Be a member of our highly talented team that allows you to become the best you can be. We like to hire from within – so the sky’s the limit!

    Please send your resume to Kat Duncan, Human Resources Manager - K.Duncan@esccontrols.com

    Apply Now
  • HVAC / Mechanical Sales Representative
    Job Type: Full Time
    Location: West Hartford
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    The Sales Representative’s main objective is to seek out new HVAC / Mechanical Service opportunities for ESC in Commercial, Educational, Industrial, Municipal and Healthcare markets in addition to maintaining relationships with current clients. The ideal candidate will have great people skills, be motivated, organized and goal oriented. Experience in the HVAC / Mechanical fields and good sales track record are a must.

    Essential Duties:

    • Seek out new business opportunities
    • Develop and maintain strong business partnerships
    • Estimate projects, develop proposals and presentations
    • Account Management
    • Renew Maintenance agreements
    • Perform other duties as assigned
    • Use customer relationship management program 

    Pay Commensurate with experience

    Relocation help available

    Benefits include medical, dental, vehicle, 401K and more

    • 5 years experience in HVAC / Mechanical Account Management
    • Valid Drivers License 

    Please send your resume to Kat Duncan, Human Resources Manager - K.Duncan@esccontrols.com

    Apply Now
  • Security Engineering Aide
    Job Type: Full Time
    Location: West Hartford, CT
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    Perform design, engineering, configuration and field start up for various systems and sub-system integrations in the Electronic Physical Security and Life Safety industry.


    • Interpret Electrical & Mechanical Systems design drawings and specifications
    • Understand projects design requirements, research and select supplier products applicable for the specified design
    • Review estimates, Bills of Material and job specifications and resolve any quote to job specifications
    • Develop System schematics and drawings in CAD (2D System Floor Plans, Riser Diagrams & Point to Point Wiring Diagrams) for Job Submittals, Construction and As-Built documents
    • Develop System bill of materials, equipment and configuration parameters, schedules for Job Submittals, Construction and As-Built documents
    • Develop System User & Maintenance manuals to communicate functionality of developed installations
    • Provide sales support as necessary
    • Participate in reviews and work with Systems Engineering to ensure proper implementation of features
    • Help establish new and maintain existing standards




    • Must be willing and able to travel and work at customer sites
    • Must have reliable transportation
    • Must be able to clear background checks and drug tests as required by Federal & State Agencies
    • Must have strong MS Office (Excel, Word, Outlook, etc.) and Design/Drafting Tool (AutoCAD) skills


    • PC architecture & components, peripheral equipment (communication ports, video standards)
    • Computer Networking and Communication Standards (e.g. Ethernet / Wireless LAN layer 2 networking, serial communications RS232/422/485)
    • Electrical Knowledge Low Voltage AC/DC Circuits theory & components


    • Video Management and Access Control Systems Configuration and Utilization (e.g. Verint, S2)
    • Programming Logic Controllers (PLC) (Rockwell Automation Allen-Bradley, GE-Fanuc)
    • Configuring and designing HMI/OIT systems (e.g. Rockwell Automation, GE-Fanuc)


    • Health / Dental Insurance
    • 401k with Company Match
    • Paid Vacation and Holidays
    • Casual Dress Code
    • Dog Friendly Office


    For more information, apply by emailing your resume to k.duncan@esccontrols.com

To apply for any job listed above, please email your resume to Kat Duncan, Human Resources Manager - K.Duncan@esccontrols.com