Mark Renteria

US citizen/willing to travel

Cell: (832) 233-4397




Several years’ experience of progressive roles in management for manufacturing companies in Oil/Gas and Steel (Iron).



  • Global Tubing set company records for safety, profitability and cash flow efficiency. (March 2015)
  • Back to back awards for safety performance in the maintenance department (2011,2012)
  • Broke records for iron production for the south end furnaces every year for four straight years out of US Steel’s 100+ year history (2005-2009)
  • Certificate of Excellence- Achieving the lowest cost Hot Metal-(May 2008)
  • Navy Achievement Medal (2002)



Global Tubing (May 2014-March 2015)

Reliability Engineer

  • Reported directly to the VP of Manufacturing
  • Tracked production losses and abnormally high maintenance cost & found ways to reduce those losses or high costs
  • Provided technical support to production, maintenance management and technical personnel
  • Worked with Production to perform analyses of assets
  • Performed Root-cause and Failure Analysis
  • Maintained records for equipment and machinery
  • Established a preventative maintenance schedule
  • Established a record log of equipment failures
  • Utilized metallography equipment and techniques to analyze and examine microstructures for steel defects


United States Steel Oilwell Services- Offshore Operations Houston (formerly USS Tubular Threading and Inspection Services) (Jan.2011-July 2013)

Plant Maintenance Manager

  • Supervised plant maintenance technicians: Mobile equipment, CNC lathe, hydraulic, pneumatic, electrical and electronic 
  • Planned and coordinated maintenance outages throughout the plant with department managers
  • Planned, designed and oversaw installation of new production lines
  • Reviewed and revised ECP’s, SJP’s & SOP’s as needed
  • Developed an asset tree for companywide conversion to Oracle ERP (Enterprise Resource Planning) and was in training to be the plant Super User
  • Super Users are members of the End User community who are recognized as subject matter experts within their departments
  • Super Users support the project by providing the functional teams and training team with feedback
  • Super Users perform system testing and assist with data cleansing and conversion
  • Super Users leverage their extensive knowledge of business processes and policies to provide realistic scenarios for training development and may train End Users in their area of expertise
  • Super Users provide first level SAP support to their departments during Go-Live
  • Super Users provide on-going SAP support

United States Steel Corporation, Gary Works (Feb.2005-June 2009)

Shift Area Manager -Iron Producing (#4, 6, & 8 Blast furnaces)

  • Responsible for entire sector of Iron Producing including: Raw materials, Recycle, three blast furnaces, and all personnel employed in those areas
  • Trained & supervised Process Managers
  • Directed Maintenance Managers

Process Manager- Iron Producing (#4, 6, & 8 Blast furnaces)

  • Start up and shut down of Blast furnace
  • Managed and directed control room operators, Cast house crews, maintenance crews, etc.
  • Ensured all safety procedures were followed
  • Ensured written procedural compliance was followed
  • Reviewed and revised SJP’s & SOP’s as needed
  • Conducted weekly safety training, recorded and documented training for all employees

Maintenance Manager- Iron Producing (Raw Materials/Sintering Plant)

  • Supervised and coordinated maintenance work with a team of other Maintenance Managers in the Sintering plant
  • Managed union employees: Millwrights, Motor inspectors and Systems personnel
  • Maintained employee pay, scheduling, etc.

United States Navy, Norfolk, VA- Nov.’96-Nov.’02

Fire Controlman-2nd Class Petty Officer

  • Preventive and corrective maintenance, fault isolation, operation, testing, alignment, and trouble shooting of Mk160 Mod 4 Gun computer system and Mk 46 Mod 0 optical sight system
  • Worked with various electronic systems at the organizational and intermediate level. Ex: Radar, computer, weapons directions, electronic cooling, power conversion, and display equipment
  • Knowledgeable and experienced in reading drawings, electronic schematics, and technical manuals
  • Held a secret security clearance in the Navy
  • Gun Fire Control Supervisor-Trained and supervised all junior personnel in the work center and managed the inventory of all ammunition



  • Executive MBA, expected graduation May 2017, Sam Houston State University, Huntsville, TX         
  • Bachelor of Business Administration, Sam Houston State University, Huntsville, TX         
    • Major: General Business Administration
    •  Minor: Entrepreneurship
  • Associate of Arts, Lone Star College-Kingwood, TX
  • Certificates for training: basic electronics, basic hydraulics & pneumatics, CNC maintenance (Mori Seiki)


  • Microsoft Office (Office, Word, Excel, PowerPoint, and Access)


  • English
  • Some Spanish




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