Mark H. Walker

** * **** ******, ********, IL ***59

630-***-****

ad4f2b@r.postjobfree.com

Objective:

To obtain a challenging building engineer position that will utilize my experience in operations and maintenance.

Professional Experience

Crown Energy Services Inc 2022-2023

Willis Tower

233 S. Wacker Dr, Chicago, IL 60606

Building Engineer

Monitoring 24/7 site building operations

Building equipped computer controlled automated program called Metasys, which operated on time schedules, temperature control, air volume and alarms

Operated 5 Carrier chillers rated at 5000 tons with 4 cells cooling towers with freq. drive fans

Cooling handlers units, return fans and exhaust fans on all floors thru 108 floor building

Operate air compressors 3 with dryers

Operated 2-Caterpillers generators

All type of plumbing systems

Otis Elevator car issues

Assisting fire protection thru building, servicing testing Fire Jockey pumps

Working on pumps, motor

Working on HVAV refrigeration systems

Attended annual training/safety classes

Benedictine University 2022-2022

5700 College Rd, Lisle, IL 60532

Lead Engineer

Maintaining Boiler house / 15 Campus Buildings

Maintain HVAC units 480 Volts

Boilers Maintenance, overhaul and inspected by state guide lines

Shift rounds, water tests on equipment on line

PM work orders, Air handler units, Exhaust fans, Air compressors

Plumbing issues, Temp issues on site

BAS system Metasystemp. Control, Condensers, Chilled, Condensate, Feed pumps, Chillers

CB Richard Ellis 2007-2022

BP Amoco Research Center

150 Warrenville Road, Naperville IL 60563

Building Engineer

Assist in the operation and maintenance of a critical facility with 40-buildings located on a 168 acre campus.

Includes the following:

Centralized Plant w/Cogeneration: Mars90 natural gas turbine, 12 Mw generator, equipped with a Zink Heat Recovery Waste Gas Boiler producing 60,000 lbs/hr.

High-pressure steam plant with a battery of 4 Cleaver Brooks (DL94) 2000 bhp water-tube boilers, operating at 220 psig. Total plant capacity of 300,000 lbs steam. Auxiliary equipment: Transfer pumps, surge tank, DA tank and feed water pumps.

Water treatment includes softeners, dealkalizers, reverse osmosis and deionization station.

8,000 ton chilled water plant, (2) 2000-ton 17DA Carriers w/Murry steam turbines, (2) York 2000-ton electric chillers (R-134a), Alfa Laval plate heat heater exchanger using non-contact pond cooling during winter operations and a four cell Marley tower.

Ingersoll Rand Air Compressors (1) 250 Hp Sierra Scroll, (4) 200 Hp Reciprocating with cooling skid and IR desiccate dryers.

Electrical experience includes wiring motors, pumps, compressors and lighting; voltages ranging from low thru 277 vac.

Performed preventive/corrective maintenance across campus on extensive list of equipment; HVAC w/100% OA, preheat/reheat converters, VAV’s, condensate movers and return stations, pumps and traps. Maintained over 105 AHUs throughout site, varying in size up to 100,000 cfm.

All equipment controlled by Metasys, DDC and pneumatics.

Monitored all fire and life safety systems with Edwards and Fireworks interface.

Actively contributed throughout BP’s ongoing rapid change initiative focused on culture, learning and accountability; resulting in 600k in operational savings and a 270% improvement on PM/Work orders for 2009.

Argonne National Labs 2000-2007

9700 S Cass Ave, Argonne, IL 60439

Building Mechanic I

Performed site-wide facility maintenance for central plant and 50 building campus.

Centralized Steam Plant: (4) Cleaver Brooks natural gas boilers, (1) Cleaver Brooks Coal Stoker Boiler operating 250psi.

Chilled Water Plant consisting of 5000 ton Trane Absorber and 1200ton Trane Centrifugal Chillers (R-11) with B.A.C. Towers.

Illinois Institute Of Technology 1997-2000

10 W 35th Street, Chicago, IL 60616

HVAC/R Journeyman A

Performed all general building maintenance and preventive maintenance for 5 buildings on campus.

Military Experience

US Army 1979-1982

82nd Airborne Infantry Division

Fort Bragg, NC 28307

Education / Affiliation

International Union Operating Engineers Local 399 College Of DuPage:

(License #EN168300) Building Maintenance Certification

Refrigeration Service Engineers Society (Universal Certification) Stationary Engineering Certificate

TSA/JSA-Training Safety Analysis Forklift Certified, Genie Lifts

JSA-Job Safety Analysis

References available upon request

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