Hadrian Stefanescu, MSc

Experience

• 

  Cummins

  Aug 2002 - Sept 2005

  Design Engineer

  • Responsible for new design, manufacturing, modification, prototypes and standard generators Cummins: DSG/DSM/DSU 43,52,62,74, Diesel Synchronous Generator/Motor/Reversible Machine low voltage – IEC34–2(VDE 0530). • Analysed different technical solutions for each generator design, Derating methods • Technical assistance for generators assembly in production • Excellent knowledge of CAD/CAM software: SYN 2.1(electrical parameters for main stator and main rotor, the reactance, engine start up, electromechanic design of exciter machine, calculation of auxiliary winding, starting torque diagrams): RODYN - H 2.0(deflection calculus, bearing reaction, bearing shield, shafts, terminal boxes, coupling flanges for electric generators, critical speed); • Improved technical solution to reduce the cost • Create and implement bill of materials(BOM) per customer order using Priority software. • Develop the manufacturing technical methods and procedures, based on engineering design, manufacturing techniques and available tooling to optimize manufacturing processes that best fit plant and resource capabilities, establishing of the appropriate exciter machine. • Provide technical support for the products and components according to the technical documentation; Draw-up of electronic control diagram of the electrical machine. • Elecromagnetical dimensioning of the electrical machine. • Technical documentation for winding cores. Show less

• 

  RIGWORKS OILFIELD SOLUTION

  Jun 2006 - Jun 2007

  Engineer

  • Responsible for preparing technical drawings and specifications for the shop using Inventor software • Provide engineering support for component selection. • Prepared FEA analysis to prove out design. • Identified the different loads (concentrated load, uniformly distributed load, dead load, static load, dynamic load, impact load) acting on a structure. • Draw shears force and bending moment diagrams for a beam under various transverse loading. • Calculate the axial stress, axial strain and the transverse strain, the centroid of the cross section, the moment of inertia of the section. Show less

• 

  MASTCO DERRICK SERVICES

  Jul 2007 - Jul 2008

  Design Engineer

  • Responsible for modelling parts and assemblies for manufacturing using Inventor software • Shaft design procedure, Forces exerted on shafts by machine elements • Calculating and dimensioning machine elements • Stress concentration in shafts, bearings, bearing housing • Design stress for shafts, bending and torsion • Shear force and bending moments in structural steel (beams HSSs, angles, C. W shape etc.) • Friction and bearing connection, Shear across the bolt diameter • Design structures, substructures, masts and various assemblies with steel applications. • Calculation of tensile capacity of the connection, the shear strength of the bolt, the tensile strength of the plate, the maximum shear force in the beam, the shear stress at the plate channel interface • Determinate the properties of the column section • Calculate the capacity of the column using the AISC and CISC code equations. • Acted as liaison between engineering and machine shop personnel. Show less

• 

  Coogar Tool

  Jul 2008 - Aug 2010

  Design Engineer

  • Participate in product design reviews and also worked with manufacturing and procurement personnel to revise products and improve productivity • Required to approach tool design from concept to prototype manufacture (Pulsator to vibrate the drill string, the connection between the bearing mandrel and the lower adaptor for the mud motors, the piston sleeve for the hydraulic housing, locking mud motor with clutch) • Produced conceptual design layouts, hand calculation and drawings for downhole tools: drilling motors, drilling jars, hydra-mechanical thrusters, shock tools, power sections, drill bit, stabilizer, rimmers and dump subs, etc) • Investigate mechanical failure and unexpected maintenance problems • Hand-on experience working directly with the tools, worked with machined metal components • Identify performance problems and recommend solutions • Designed and improved high torque connection, awareness of intellectual property issues • Participated in the testing of metals with the Magnetic Particle Inspection method • Have done detailed 3D CAD modelling and Assembly drawing creation and revisions • Threads calculation (BSR, max shear force, max tensile load, make-up torque) for API connection and ACME threads. Show less

• 

  Ensign Energy Services

  Aug 2010 - Jan 2015

  • Assist with the maintenance of construction inventories and record keeping. • Responsible for applying sound Engineering practices in solving current product design and construction issues. • Supervise modifications to projects under construction and manage record keeping for deviations to original design. • Manage the production of ‘as-built’ drawings on project conclusion. • Design of structures and fittings for projects under construction, with particular emphasis on safety structures and devices. • Research and prepare reports on design related problems as identified by project managers, superintendents and rig managers. • Assist purchasing by researching equipment alternatives and recommend suppliers or fabricators. • Assist Manager of Construciton with the preparation of estimates and AFE’s for Change Orders. • Training, supervision and safety meetings with those individuals assigned to the project. • Participate and manage equipment turn-over documentation and acceptance testing. • Assist in the development, communication and enforcement of minimum standards for sub-contractors when performing repairs or modifications to rigs under construction. • Assist specifically with the construction of Ensign's ADR (Automated Drill Rig) rigs, which are built to move fast, and be scalable, flexible, versatile, automated, and safe. Provide equipment information and analysis as required by Marketing and Operations divisions; assist with the maintenance of equipment inventories and record-keeping thereof; produce, update, and organize related problems as identified by oil analysis and equipment failure. Show less • Calculated drilling capacity (Vertical Depth) for conventional, ADR and core rigs. • Calculated Hoisting load limits for conventional rigs, ADR and core rigs. • Developed a correlation between drawworks input amperage and rotary table torque. • Failure analysis of different drilling equipment. • Analyzing and designing of BOP wind wall panels. • Non vertical depth rating calculation for Ensign conventional rigs. • Documenting Ensign Procedures (calculation methodology) for vertical dept, non vertical depth and hoisting load limits. • Analyzed existing rig equipment (mast, sub and overhead equipment which affects the depth rating ) and proposed equipment upgrades to increase depth capacity. • Analyzed the possibilities with IT team for better presentation of Ensign rigs marketing-wise • Selection of BOP equipment based on pressure requirements and available space. • Coordinated replacement of two piece shaft with one piece shaft for several BOP's (RAM's) • Preparing rig inventory and layout for marketing team and contracts. • Analyzed the tubular storage capacity of rigs. • Issuing technical query to contractors regarding API 16D design specification. • Coordinated technical investigations of drilling equipment failure and non-conformance. • Analyzed data to create flowcharts and engineering procedures for Zone Management System (protection against a collision between the crown, monkey board, drilling floor, ironderrick man, ironroughneck, torque tube and the top drive & travelling block). • Completion of Level IV documentation as per CAODC policy. • Researched industry codes and other design criteria. • Regular consultation and communication with Operations personnel at all levels to maintain safe drilling rig operations. • Coordinated technical investigations of drilling equipment failure (cushion subs, iron roughnecks). Show less

  • Project Engineer

    Dec 2012 - Jan 2015

  • Operations Engineer

    Aug 2010 - Dec 2012
• 

  ACS Manufacturing, Inc.

  Feb 2015 - Apr 2016

  Mechanical Engineer

  • Calculation of the seismic design force of the acoustical enclosure frame structure using 2012 International Building Code(IBC) and ASCE 7-10. • Calculation of the wind design force of the acoustical enclosure frame structure using International Building Code and ASCE 7-10. • Enclosure and fuel frame structure check using AISC 2010. • Analisys of the welded moment connections of the enclosure frame structure. • Calculations to support uninsulated/insulated tank heater selection for ACS’s fuel tanks. Heat energy requirements to maintain fuel temperature range of 35 F to 45 F when outside temperature is -15 F. (Tank seating on concrete pad or suspended on structure). • Determination of the truck’s axle load and togue load based on different truck’s loads. • Estimation and calculation of the Center of Gravity for acoustical enclosure. • Calculation of section properties of unsimetrical shapes. • Enclosure anchor check using HILTI Profis Anchor. Show less

• 

  USA SHADE & Fabric Structures

  May 2016 - Jan 2018

  Senior Design Engineer

  • Designing the geometry of the standard and custom fabric shades structures and then modeling it in 3D using highly specialized software to define a final equilibrium shape that meets the requirements of the client. • Analyzed under various loading conditions to determine the steel, fabric, cable, and hardware requirements. • Submitted the Design drawings and engineering calculations from the 3D model to the client for review and approval.

• 

  Applied Engineering, Inc.

  Feb 2018 - Mar 2019

  Manufacturing Engineer

  • Responsible for providing manufacturing engineering support for the process of manufacturing construction equipment. • Facilitating project changes to the manufacturing facility. • Provided support to current manufacturing operations. • Implemented engineering changes to manufacturing process. • Assisted with quality-related issues that may arise. • Utilizeed CAD software for facility redesign and floor layout. • Responsible for purchase and implementation of capital equipment. • Responsible for updating existing design and /or create new design using 2D and 3D CAD modeling (Creo, AutoCAD). • Provideed outstanding customer service. • Participated in team-oriented environment and tasks. • Participated in and lead engineering and general design reviews as required. Show less

• 

  THERMAL STRUCTURES INC.

  Mar 2019 - Dec 2019

  Product Engineer

  • Collaboration with Customer Design team for Design Objectives and Goals • Captured project details and scope per overall program directive. • Attended client design review and strategic product design meetings to contribute in design progress and capture directions & priorities. • Worked in partnership with Design and Manufacturing team for first hand understanding of requirements and for implementation of designs. • Reviewed offshore deliverables with Customer design guidelines and specifications • Planed sessions with Offshore Design team to deliver program objectives and review deliverables to meet requirements. Show less

• 

  JLG Industries

  Dec 2019 - now

  Product Engineer

  • Prepare, check and/or review technical specification documents, design calculations and data to ensure proper design of product(s) to meet customer requirements. • Ensure completeness and accuracy of documents and specifications and use that data to write product performance requirements and engineering design specification packets for production personnel and communicate requirements to on-site and offshore design teams. • Provide technical guidance to the production personnel throughout the product development lifecycle. • Research, design, evaluate, install, operate, and maintain mechanical products, equipment, systems, and processes to meet requirements, applying knowledge of engineering principles. • Confer with engineers or other personnel to implement design change, or provide technical information. • Recommend design modifications to eliminate machine or system malfunctions. • Conduct research or analyzes the feasibility, design, operation, or performance of equipment, components, or systems. • Develop and test models of alternate designs and processing methods to assess feasibility, operating condition effects, possible new applications, and necessity of modification. Utilize computer aided drafting and mechanical design software applications to design mechanical and electro-mechanical products that meet customer project specifications. • Vetting and scoping on customer projects and ideas. • Prepare presentations for board approval, Analyzed manufacturing and fabrication processes to find possible problems or needed improvements. Assist with financial planning and cost analysis, implement methods and modifications to reduce production/design costs. Processed documentation and control of prototype assembly issues (860 Frame, 860,660,450 new CWT and 450 and 520 TT CWT. Project management skills working with multiple priorities and the ability to manage large quantities of data. Show less