
David Ellis, CBE-M
HVAC/R Specialist - Journeymen Class

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About me
Senior Chief Building Engineer for Cambridge Asset Advisors LLC
Education

John Jay
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Almeda University
-Master of Science (MS) Applied Science and Technology (LE 3.27)
Almeda University
-Bachelor of Science (BS) Science and Technology (LE 3.27)
142 Local Pipe Fitters
-Heating, Air Conditioning, Ventilation and Refrigeration Maintenance Technology/Technician Sr. JourneymanTrained apprentices to perform professional installation, warranty services, maintenance and full service diagnostics and repairs. To read blue prints and and building MEP design as well as cost estimations with the added cost savings options for both commercial and retail establishments for national, global and local companies and corporations with any equipment related to cold and heat producing systems related to both comfort and equipment temperature requirements.

SAABE
-Director of Education 2018Activities and Societies: CBE Committee Chairman San Antonio Association of Building Engineers

John Jay
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San Antonio Community College
1983 - 1987Associates Degree Applied Science and Technology 3.79 GPAActivities and Societies: Computer Applications of Accounting. And assisted the HVAC class instructors by affording "off-site" field trips to students to observe repair and maintenance activities in commercial plant and mechanical rooms for practical training purposes. Actively participated as an teacher assistant in computer classes covering computer programming Technics offering unpublished ways to write code in BASIC and DOS.

USAF
1976 - 1980Critical Enviromental HVAC/R systems Sargent E-4 / SpecialistActivities and Societies: Ping Pong: Represented the USAF in South Korea during a temporary assignment. At that time Ping Pong was a major pass time in duty situations affording a intense work out, no beginners. I lost 2 to 3. Sand Paper Advanced training graduated in the top 3% skill level in service, repair and maintenance of critical cooling systems support activities for Top Secret Communication/Data storage facilities as well as Hospitals utilizing both Direct and Indirect, air and water cooled environmental refrigeration, equipment cooling, and state of the art control systems.
Experience

United States Air Force
Jan 1976 - Jan 1980HVAC/R Specialist - Journeymen ClassLead HVAC/R Specialist/Trouble shooter, DEN, for the Pacific Hawaii Region related to correcting Command Center communications/computer HVAC system issues requiring over-seas travel. Awarded numerous "Beyond the Call of Duty" acknowledgments for supporting other branches of the Military as well as notice for outstanding achievement and performance from the Base Commander based on number of superior responses on performance reviews and critiques received from Pacific Air Command service requests.

Tex-Sun Property Management Company
Jan 1985 - Jan 1990Chief Building EngineerResponsible for over 1M ft² of Commercial Office Space, ground level Retail space and multilevel parking structures• Planned work activities and schedules based on Property Managers instructions• Solicited, coordinates and monitors the work of Service Contractors• Supervised/monitored trade related work activities to each sites particular infrastructure• Conducted site inspections of facilities and equipment to determine needs and/or issues• Developed preventive maintenance programs and equipment repair procedures• Directed corrective work activities related to maintenance of equipment and facilities• Defined programs and maintained awareness of safety and regulator requirements• Kept personnel, maintenance records, safety records and time cards• Ordered custodial and maintenance supplies and kept inventory records.• Performed related duties and fulfilled other areas of responsibilities as required Show less

Asset Plus Corp
Jan 1990 - Jan 1996Chief Building EngineerResponsible for the operations and tenant/visitor satisfaction of approximately 1M ft² of Commercial Office Space, retail frontage and prime level parking areas• Supervised/monitored trade related work activities to each sites particular infrastructure• Accomplished budget projections for building infrastructure and support equipment• Accomplishes construction project results by defining project purpose and scope• Monitored contractors, maintenance staff, security personnel and janitorial companies• Met operational standards by inspecting build outs for conformance to expectations• Monitoring project expenditures, variances and projected annual impact costs• Projected resources required, protocols, and bid spec’s for outsourced contractors• Kept personnel, maintenance records, safety records and time cards Show less

Johnson Controls
Jan 1996 - Jan 2001Journeyman HVAC/R Technician/MechanicActively and personally took customer calls and performed hands on repair requestson MRI and CATSCAN equipment, hospital and emergency room reqiurements, refrigeration systems, chillers, direct and indirect expansion systems, pumps, cooling towers, walk-in freezers and medium temperature food storage systems, scientific clean rooms, airports, multiple medical facilities, radiation areas, multistory office buildings, retail establishments, Retail Malls, Data Centers, computer rooms and complexes, communication switching stations, hotels, schools as well as building expansion/renovations projects and their related mechanical, technical/structural requirements. Show less

A.J Monier
Jan 2001 - Jan 2003Journeyman HVACHired for implementation of an Automated Controls Department and to establish employee training programs. Other duties include taking customer service calls and making required repairs and system installations, expanding and maintaining existing customer accounts though Sales and hands on comprehensive maintenance programs, re-occurring problem corrections, along with new system(s) installations. Area’s of knowledge covered: ice machines, chillers, boilers, electric heat, direct and indirect expansion systems, pumps, cooling towers, walk-in freezers and medium temperature food storage systems, scientific clean rooms, hospitals, MRI and CATSCAN systems, industrial chemical and or food processing systems, Museums, multi-story office buildings, computer rooms, telephone switching stations, hotels and some commercially used residential systems. Show less

Alamo Heights ISD
Jan 2003 - Jan 2006HVAC/R Department Manager/SupervisorHired for abilities of defining, teaching, training and implement comprehensive maintenance and repair programs well as re-occurring problem solving with current automation system(s), Made corrections to blueprints or construction documents as required. Installed complete HVAC systems, defined, created, programmed and implemented a CMMS electronic record keeping system (Access Database) which covered all Campus’s. Coded and or modified multiple Manufactures Building Automation Systems (BAS/EMS) reducing overhead costs by 300K and solicited control contractors for additional reductions with regard to sequencing and further energy reduction methods controlling chillers, gas fired boilers, electric heat, direct and indirect expansion systems, pumps, and cooling towers and support equipment. Other areas consisted of commercial refrigerators, walk-in freezers and medium temperature food storage systems, swimming pools/their water treatment requirements and heating systems, and the Districts overall maintenance activities and code requirements. Show less

E.P.M.P.
Sept 2006 - Aug 2010Facility ManagerResponsible for all work performed by contractors and employees and its compliance with all regulatory entities and company expectations in the fabrication of multiple products for companies such as Trane, Carrier, Munters, the restaurant industry as well as the oil and gas industries.• Planned and coordinated a comprehensive operational and maintenance strategy• Improved conformance with company customer satisfaction requirements• Strengthened contractual services reducing overhead costs and minimized shrinkage• Developed an organized comprehensive training programs • Reduced out-sourcing by 200K through in-house maintenance/repair of equipment• Increased product availability by reduction of loss or theft of raw materials• Designated as the Safety Advisor and incorporated training programs for compliance• Worked closely with HR to insure applicable State and Federal requirements were met Show less

Simon Property Group
Nov 2010 - Nov 2012Operations Director - San Marcos Premium OutletsManaged the Operational (REIT) requirements for 1.6M ft² consisting of 104 Acres with 936,000 ft² of high end leased space, its presentation and related Marketing impacts• Responsible for multi-million dollar budgets for CAM and Capital Expenditures• Offered cost saving conservation options reducing expenditures by 100K the first year• Directly supported Marketing with site activities and networking at Community Gala’s• Assisted Customer Service with issues related to visitor/tenant satisfaction• Guided/trained staff with methods and corrective steps to facilitate response activities• Safety Adviser for property leading the related training activities and documentation• Managed Maintenance, Custodial, Security departments and Landscaping activities• Supervised and planned preventative, reoccurring and reactive maintenance and repairs• Provided guidance and direction with design costing activities and technical issues• Defined, planned, supervised installation of new and renovated systems and equipment• Assured company assets, inventories and protection via internal control audits Show less

Go Green Squads, LLC
Oct 2013 - Dec 2013Sr. Project ManagerManaged the daily operations of this start-up company to align and grow development with its projects in the commercial building and residential efficiency conservation brand offering many cost saving strategies. Actively instructed and trained employees on proper repair, safety and maintenance requirements as well as system installations, maintenance and their related code requirements. Go Green Squads is comprised of seasoned professionals focused on improving the efficiency of HVAC and facilities structural envelope systems to provide substantial benefits. These range from reduced energy bills, rebates, improved comfort, better air quality, dependability of cross functional infrastructure systems leading to fewer breakdowns thus reducing repair expenditures along with gainful tax credits while lower impacts on the environment, carbon footprints, operational overhead costs and generating increased employee/occupant environmental satisfaction and/or productivity. Show less

One Hour Heating & Air Conditioning
Nov 2013 - Dec 2013Chief Operating OfficerLed the implementation efforts of the newly acquired One Hour Franchise to include policy and procedural training, on boarding and transitional requirements. Worked closely with the owner as well as office administrative personnel and key managers as to ensure costs and time requirements were fulfilled as to conform to Franchise requirements. Personally involved with training and advising employees of Brand requirements and development to achieve expectations. One Hour Heating & Air Conditioning is your one stop call for all your cooling and heating environmental needs. Our trained professionals have the answers to your questions and guaranty our work and your satisfaction. And if we don’t show up “On time, you don’t pay a dime!" (TM) From repairs, service, maintenance, upgrades, equipment replacements and answers to your questions, we are prepared for every situation. Show less

Cassidy Turley
May 2014 - Dec 2014Building Engineer**Supportive Expertise:Assisted and advised management personnel on current expected Capital expenditures and projected projects as well as budget variances related to owner expectations as well as their impacts on reductions of Building Energy usage through comprehensive evaluation and modification options with regard to building envelopes, EMS/BAS systems weighted heavily on HVAC and mechanical systems design and modification options/operations as well as their bid solicitations and contract negotiations to improve owner and both tenant/client as well as visitor satisfaction and expectations. This includes property presentation and water conservation avenues to reduce natural resource impacts. Show less

Transwestern
May 2014 - Nov 2018Government Lease – Single TenantLic. Construction Quality Management positionResponsibility:Managing multiple facility projects combined with defining RFP's and O&M requirements to include future capital expense projections while providing unsurpassed customer service.Engaged with strategic evaluation of operational requirements, current mechanical conditions and mission support expectations through "root cause analysis" offering options to increase value to client with accountability and reducing liabilities.Facility to Date:• Decreased contracting charges with increased value though negotiations while exceeding both client/tenant expectations• Shortened equipment run times by up to up to %60 maintaining regulatory IAQ requirements reducing energy costs.• Increased response times to near immediate during business hours• Enhanced platforms for client/tenant representation, communications for joint satisfaction through mutual understanding. Show less *Achievements/Activities: Personal and hands on In-House adjustments/modifications and key component/equipment repairs of the EMS/BAS computer control system, it's subsystems through forensic evaluation of historical information and equipment condition combined with support and the collaboration of the Property Manager has produced a energy reduction through the summer season equating to 23% in electrical usage and 70% of gas usage while maintaining or improving dependability and continued expectations of both tenant comfort requirements and visitor satisfaction. Show less
Lead Engineer
May 2014 - Nov 2018Building Engineer
May 2014 - Nov 2014

DTZ
May 2014 - Aug 2015Operating EngineerAccomplished goals and expectations through keeping "pulse" with tenant and owner business requirements. This was through full commitment to assure owner, management and tenants expectations are met with full support an within set budget margins. Provided continued "hands on" functionality and improvements of the building operations, proper function of support systems as well as the automation's systems - HVAC and it's maintenance requirements for dependability and efficiency through related contract enforcement with current BAS contractors and others engaged impacting building envelopes, security and functionality. Personally achieved a projected and sustainable combined electric and gas usage reduction by 27% / 85% respectively and historically since the building opened with continued and improved tenant satisfaction.Extended personal coverage related to client, facility services and tenant support expectations through 24/7 contact availability via cell phone, mobile email, computers or related electronic equipment for securing dependable building and facility operations with unsurpassed services for clients, tenants and visitor satisfaction. Show less

CBRE
Nov 2018 - Sept 2019Lead Building EngineerDefined and wrote procedure documents to perform designed maintenance activities and repair requirements. Gathered all data on equipment, labeled, and confirmed conformance to design drawings during the install from foundation to completion.

T5 Data Centers
Sept 2019 - Jun 2021Critical EngineeringObjective, keeping the ‘Cloud’ up, performing 48,400V source switching and maintenance on all associated equipment including chiller systems, fire systems, generators, battery banks and fundamental facility maintenance requirements.

Cambridge Asset Advisors
Dec 2023 - nowOverseeing over 1Msf of Class “A” Commercial office buildings, Distribution centers, and multiple Production Plants and growing in the Brooks City Base area.Tasked with ensuring and overseeing the warranty requirements covering areas such as structural, mechanical, HVAC, electrical, plumbing, fire alarm equipment, elevators, landscaping, hardscape and amenities are met with each owners’ expectations at multiple new and existing properties. Fine tune all budgets, CAPEX, maintenance plans, site safety, code compliance as well as daily operational protocols at each property. And most importantly, ensure every tenant will be supported and satisfied with Cambridge’s dedication to service and satisfaction. Show less
Chief Building Engineer
Dec 2023 - nowBuilding Engineer
Dec 2023 - now
Licenses & Certifications

Certified Infrared Thermographer
Infrared Technical InstituteFeb 2019
VFD Drives
American TraincoJan 2005
Locksmith, Safe Entry & Manipulation
Ty's Safe & LockJan 2004
Testing, Adjusting and Balancing HVAC Systems
Johnson ControlsJan 2001
Certified Chief Building Engineer - Master Level
San Antonio Association of Building EngineersJan 1996
Refrigerant Recovery Systems (Universal)
Ferris State UniversityJan 1993
PPCL Programming, Workstation, Advanced Operations. (Building Automation Controls)
Siemens PLM SoftwareJan 2005
Construction Quality Management
U.S. Army Corps of Engineers, Fort Worth DistrictSept 2016
Pneumatic Controls
Johnson ControlsJan 2001
Volunteer Experience
Education Director
Issued by San Antonio Association of Building Engineers on Dec 2017
Associated with David Ellis, CBE-M
Languages
- enEnglish
- spSpanish
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