Mark A Sierra

**** ******* **

Baytown, Texas ***20

832-***-****

Objective: To obtain a position as Environmental Supervisor in an atmosphere where my qualifications and attributed skills will be an asset.

Employment:

2019 to 2020 Vectrus Corporation

Environmental Supervisor

Identifies hazardous conditions, work practices, operations and processes using Compliance Checklists

Conducts review of assigned work functions of OCN and review environmental SOP’s, PWS, OEBGD policies that are within published limitations and capabilities

Train, review and implements safety and environmental procedures and

Identifies and advises project management in safety/environmental concerns and issues concerning compliance with applicable Safety and Environmental regulations

Assists in performance of all recurring environmental and hazardous/ waste inspections, inventories, verifications, and training programs.

Conducts 10% verification of hazardous material/waste inventories and prepares inspections reports

2018 to 2019 KBR LOGCAP III – Iraq Al Asad Air Base

Wastewater Treatment Plant

Responsible for adjusting controls, starting and stopping pumps to ensure process operations

Conduct laboratory, PH and Chlorine tests according to procedures

Clean sludge & grit from basins, weirs & baffles using high pressure washer

Retrieving samples for laboratory testing

2017 2018 Diligent Delivery / CDS Driver Houston, TX

Transporting auto parts and mechanic equipment and tools

Providing express cargo and delivery services to client

Ensuring truck is in good working order and plan route accordingly

Safety comes first but expediting parts in a timely manner is essential

Ensure paperwork matches serial numbers and receive payments

2014 to 2016 Bechtel Construction & Services- Baytown, TX

Materials Specialist / Safety Proctor

Conduct JSA meetings, discuss Toolbox Topics on steel erections

Safety Hazard recognition & controlling identifying hazards in areas

Safety Inspections weekly, monthly on warehouse tools, equipment

Secures lifting attachments to steel materials, using hand signals or hoisting operators to move load to destination

Placing ID tags on rebar and steel material for distribution / inventory

Loads materials into vehicles and install strapping to prevent

2013 to 2014 Tolunay & Wong Engineering – Houston, TX

Environmental Field Technician

Conduct safety, job observations, evaluate the risk prior to tasking

Safety discussions on assess hazards, risks, provide corrective actions to eliminate or reduce the likelihood of an accident

Receive/store/submit disposal materials and hazmat wastes

Organize/segregate hazmat waste according to classes

Maintain Safety Data Sheets for HWAP stations

Conduct weekly inspections and checklists to ensure compliance of all storage hazardous materials

Complete documentation/disposal of hazmat/wastes using 1348 forms

Familiarity of chain of custody forms on updating the classification parameters PH, moisture content, volatile-semi volatile, RCRA, Total Metals

Conduct soil sampling by removing soil samples from plastic core tubes and placing in waste characterization glass containers

2012 to 2013 Total Safety – La Porte, TX

Environmental/Asbestos Air Monitoring Technician

Safety JHA’s discussed lung inhalation, use engineered controls

Hazards immediately corrected by posting warning signs, document findings and action taken to fix problem

Conduct air monitoring for asbestos abatement projects

Conduct tasks associated with asbestos, lead-base paint, and indoor air quality (mold)

Sampling for hazardous materials on industrial insulated pipes, vessels and on tank farms

Responsible for writing close out reports

Installing 30 to 60 min tanks using hoses and checking for defects

2009 to 2011 KBR LOGCAP III – Iraq Ar Ramadi Air Base

Wastewater Treatment Plant Foreman / Incinerator Foreman

Special safety inspections on near misses, periodic site inspections

Responsible for adjusting controls, starting and stopping pumps to ensure process operations

Conduct laboratory, PH and Chlorine tests according to procedures

Clean sludge & grit from basins, weirs & baffles using high pressure washer

Operate a 30 Ton Furnace Unit that burns refuse, garbage, plastic bottles

2008 to 2008 City of Baytown – Baytown, TX

Waste Water Operator I

Administer chlorine readings from chlorine tanks daily

Changing out Graph charts indicating MPG’s of water on 24hr rotation

Switching out chlorine tanks with team members for disinfection purposes

Maintain log books by recording readings on PH, chlorine, MPG on plant

Gathering samples at time intervals to determine chlorine disinfectant levels

Conduct pump blower readings by recording & reporting to supervisors

Operating the belt press by using coagulants chemicals to support fecal waste into connex bins for disposals

Turn valves on RAS valves for flow movements thru out plants

2006 to 2007 Groundwater Environment Services – Houston, TX

Environmental Monitoring Technician

Conduct Landfill Gas tests using instrumentation to measure wells, sample points, water level meters

LFG log to collect pertinent information/ calibrate equipment daily basis

Conduct Groundwater/Soil Sampling using YSI meter

Utilize a Soil Vapor Extractor to monitor benzene pressure for UST

Operated a Peristaltic Pump for Low-Flow to prevent disturbing water

Using an interface probe to detect for Napl, depth to water, total depths

Utilize bailers to remove Napl product from monitor wells

2003 to 2005 Hydro geologic Environmental of Texas – Alvin, TX

Ground Water Environmental Technician

Monitor groundwater landfill and levels of HW can threaten a local ecosystem

In-Situ sampling and Auger sampling for client collections

GEM 2000 to measure gas/toxic pollutants in a waste disposal site to maintain compliance with local, federal regulations

Operated a Oakton, Hach, QED, Redi-Flo, Geo Pump, YSI (Low Flow)

Typed field reports to TCEQ to provide results for metal detections

Provide a detail Chain of Custody on parameters being tested

Shipping coolers using QA/QC procedures, icing down, TB’s, FB’s, EB’s

Recorded Ph, Turbidity, Re-dox, Conductivity on field logs & paperwork

1992 to 2002 Federal Bureau of Prisons / Harris County Corrections – Houston, TX

Senior Officer / Corrections Officer

Maintain order in a detention facility apply rules of the facility which you work/enforce those regulations to inmates

Enforcement procedures include arbitrating disputes between inmates, performing disciplinary action and performing inspections

Inspect inmates, their visitors, their mail and the cells they occupy for any items that violate the rules of the facility, such as drugs or weapons

Check facility entirety for fire hazards, conditions that don't meet sanitary standards, regulatory infractions and tampering of objects meant to bar entry, oversee inmates awaiting trial

Certifications:

OSHA 30

Safety Technology

Construction Site Safety Technician

Construction Site Safety Supervisor

Field Safety

8 Hour Supervisor HAZWOP Certificate

References:

Available upon request

Contact this candidate