Estimation freelance

  • Vue d'ensemble de tous les projets en cours
  • Parcourez et trouvez des freelances en utilisant l'IA
  • Gérez vos offres d'emploi

Expérimenté estimation freelance

Embauchez les meilleurs freelances en estimation pour votre projet

Voir tout
Disponible
Carlos C.

Carlos C.

$1,200/jourLead

Dynamic and accomplished chemical engineer with a wealth of industry experience, adept at navigating complex  challenges with poise and strategic logic. Proven track record in orchestrating multiple competing tasks to ensure  seamless project execution from conceptualization to completion. A progressive, technically-savvy leader with a  keen analytical mindset, dedicated to driving continuous process and procedural improvements that enhance  outcomes and align with organizational strategic goals.   Expert in cost and budget control, consistently delivering projects within financial constraints while maximizing  efficiency and value. Known for a collaborative approach to building and managing business relationships, adept at  resolving issues, translating complex information clearly, and fostering strong rapport across all levels, both  internally and externally, in traditional and remote distributed environments. 

Engineer, Manager, Translator

US
Disponible
MUHAMMAD R.

MUHAMMAD R.

IDR 1,350,000/jourSenior

6 years experience as civil/structural/marine engineer in various company. Most of them related to oil & gas sector, has also been involved in offshore jacket fabrication. With a robust background in structural design and facility engineering, I bring extensive engineering expertise encompassing diverse projects. Eager to pivot into a project engineering role, I aim to leverage my experience to drive successful project outcomes through strategic planning, coordination, and innovative problem-solving.

Engineer

ID
Disponible
indra aris C.

indra aris C.

$300/jourLead

I have more than 9 years experience on Marine Consultant, Shipyard, Oil & Gas and Power Plant industry in engineering modeling design, fabrication, budgeting/cost control, and project management scope.

Engineer, Superintendent, Manager

ID
Disponible
Andik Eko S.

Andik Eko S.

$130/jourSpecialist

International Project Control, Engineer and Sales Support specializing in monitoring, budgeting and scheduling. Experienced with all stages of the project management. Well-versed in numerous projects. Strong background in engineering, research & development and business development & commercial

Manager, Engineer

ID
Disponible
Syafrial A.

Syafrial A.

$200/jourSpecialist

Highly experienced Electrical Engineer with 24 years of expertise in Conceptual Design, Pre-FEED, FEED, Detailed Engineering Design, EPC, Project Management, and Field Construction within the Oil & Gas industry, encompassing both Offshore and Onshore Projects. Proven ability to lead and coordinate engineering teams, optimize design for efficiency and safety, and ensure project deliverable align with specifications and international standards.

Engineer, Drafter / Designer

ID
Disponible
RAZALI M.

RAZALI M.

MYR 550/jourSpecialist

EPCC OF 800 KW POWER + 1400 KW COOLING CAPACITY COGENERATION FACILITY Client: KURZ Production Sdn Bhd Role: Project Manager Value: RM 12 million Duration: May 2022 – Oct 2023 * Led turnkey EPCC execution of an integrated cogeneration system comprising 800 kW Capstone microturbine, 1,400 kW absorption chiller, cooling tower, and auxiliary systems. * Directed end-to-end project lifecycle from concept, detailed engineering, procurement, construction, to commissioning. * Achieved regulatory approvals from BOMBA, DOE, and MDPT with zero re-submissions — first-pass compliance on all technical dossiers and safety submissions. * Delivered mechanical completion and system commissioning 3 weeks ahead of schedule, with zero punch list on client handover. * Integrated SCADA and power management systems across thermal, electrical, and chilled water assets with full load synchronization. SCADA SYSTEM MODIFICATION & OPTIMIZATION – 1MW CAPSTONE MICROTURBINE Client: KURZ Production Sdn Bhd Role: Project Manager Value: RM 1.7 million Duration: May 2022 – Oct 2023 * Engineered a full PLC/SCADA revamp for 1MW Capstone C1000S microturbine integrated with solar PV, thermal oil heater, and plant-wide MSBs. * Implemented advanced logic for fault detection, dynamic load balancing, and power prioritization across multi-source energy systems. * Optimized system sequencing for microturbine and auxiliary operations, improving thermal-electrical efficiency by over 15%. * Achieved system commissioning and performance validation within 2 weeks, including HMI development and I/O mapping across redundant PLC networks. PETRONAS RAPID – ALLOY PIPING FABRICATION & INSTALLATION Client: OUIJV Role: Project Manager Value: RM 8 million Duration: Sep 2016 – Jan 2018 * Managed fabrication, logistics, and installation of over 100,000 Dia-inch of high-alloy piping (Inconel, Duplex SS) to ASME B31.3 and client specifications. * Led full QA/QC regime including RT, UT, PMI, and hydrotesting, achieving 100% client acceptance on first inspection. * Coordinated construction interfaces with civil, structural, and mechanical contractors in live plant environments. * Delivered project on schedule with zero NCRs and full compliance with Petronas and DOSH standards. OFFSHORE HOOK-UP & FLOWLINE INSTALLATION – DANA PLATFORM Client: PCPP Operating Company Role: Senior Project Engineer Value: RM 1 million Duration: Jan 2009 – 2012 * Executed offshore hook-up, spool fabrication, and installation works for flowline and topside piping under PETRONAS and PTS specifications. * Maintained 100% LTI-free record throughout offshore campaign. * Successfully secured two follow-up contracts: * D2 Flow Line Replacement * 6” Piper Valve Service Order * Oversaw cross-discipline coordination (piping, structural, E&I) ensuring seamless interface and “first-time-right” installation during shutdown window.

Manager, Engineer

MY
Disponible
BALAMURUGAN N.

BALAMURUGAN N.

MYR 960/jourSpecialist

Experience : An Electrical Engineer in consulting and EPCC environment, undertaking roles of an assigned engineer, team lead, technical lead, independent checker and electrical engineering lead. Over the years I have the invaluable opportunity to successfully lead and deliver complete pre‐project / tender stage proposals, executing conceptual design, detailed design, coordinating and managing stake holders during design stage, FAT, SAT, equipment installation, and power supply application to authority. I have the privilege to be exposed to various industries including oil & gas, railway, water works and infrastructure. My experience to deliver pre‐project / tender stage proposals include producing / reviewing / approving ITB review, clarifications to Owner, preparation of requisitions to procurement, technical and commercial evaluation for selection of Vendors, manhour estimation, technical writeup, preparation of cost summary and preparation of bill of quantities for electrical scope. My hands on experience during conceptual and detailed design stages include producing / reviewing / approving deliverables for power distribution system, building services and layouts, interfacing with various equipment and disciplines, review & approval of power system studies. In addition to design related exposure, I am fortunate to have the opportunity to manage an electrical Team which includes manhour control, progress & coordination meetings, assignment of tasks, KPI setting and evaluation, training, mentoring and developing electrical skills).

Engineer

MY
Disponible
Nur Ali  A.

Nur Ali A.

$20/jourSpecialist

Committed and professional electrical, instrumentation and automation engineer familiar with standard electrical, instrumentation and automation requirements. More than twenty years experiences in proposal/tender, engineering design, procurement and project execution of electrical, instrumentation, automation control system and its construction for oil and gas, manufacturing and petrochemical industry. Strong management and leadership abilities for delegating tasks or providing instruction clearly and accurately. Prioritize, organize work and meet deadline. Strong communication skills, ability to work independently with best in team, self-motivated and ability to manage changing priorities.

Engineer, Manager

ID
Disponible
Aditya F.

Aditya F.

$435/jourSpecialist

Experienced Instrumentation & Control Engineer with 18+ years of proven experience in the oil and energy industry. Demonstrated expertise across the full project lifecycle, including Feasibility Study, Technology Selection, Pre-FEED, FEED, Detailed Engineering Design (DED), EPC, Commissioning & Start-Up, Operations - Productions Transition, and Facility Maintenance. Well-versed in delivering integrated solutions from concept to handover, ensuring safety, efficiency, and compliance at every stage. Holds a Master’s degree in Instrumentation Engineering from Sepuluh Nopember Institute of Technology (ITS), with a strong background in both engineering execution and cross-functional project management.

Engineer, Superintendent

ID
Disponible
Muhammad A.

Muhammad A.

$250/jourSenior

Dedicated Process Project Engineer specialist with 5 years of experience in oil & gas, waste gases recovery system, and process industry. Knowledgeable Process Engineer leads projects to optimise processes and products. Exposures to multi-disciplinary engineering teams for greenfield and brownfield development projects. Demonstrates focused attention on improving performance through enhancing processes. Keeps well informed of pertinent industry changes and advances. Partners easily with technical and non-technical team members to accomplish shared goals.

Manager, Superintendent, Supervisor / Technician

ID
Patrick F.

Patrick F.

€1,200/jourSpecialist

La société LNPG est un cabinet conseil indépendant spécialisé dans les métiers du gaz. Fort de 25 ans d’expérience, LNPG s’est construit sur des secteurs spécifiques liés à l’utilisation du gaz (GPL/GNL/GAZ NATUREL OU H2) dans le secteur industriel ou véhiculaire. Notre mission : Analyser les problématiques de l’entreprise et proposer des solutions adaptées. Appliquer la stratégie conseillée et assurer un suivi des outils et solutions mises en place. Notre engagement : La garantie de l’expertise, L’assurance d’une mission accomplie dans sa globalité. L’analyse et l’adaptation des moyens techniques et humains en phase avec votre projet. Évaluation des problèmes dans leur ensemble. Conseils et propositions de plan stratégique et de solutions adaptées. Mise en place des outils. Gestion des missions et suivi des moyens mis en œuvre

Inspector, Manager, Other

FR
Domingo G.

Domingo G.

$120/jourSenior

Domingo V. Granado Jr. is a seasoned Piping Designer and Engineer with extensive experience in high-profile projects for elite EPCM companies. Notable contributions include work on RasGas Exxon Mobil and QatarGas ExxonMobil LNG Process Trains with Chiyoda Corporation, GLNG Upstream Project with SANTOS Australia at Fluor Philippines, and Chevron's Bibiyana Gas Field with Foster Wheeler Thailand. At Mitsubishi Heavy Industries, he played a key role in major chemical projects such as ExxonMobil's and SABIC Gulf Coast Growth Ventures, North American Growth and Baytown Expansion Projects. His practical Field Piping Engineer experience includes Petronas Sabah Ammonia and Urea Project and Qatargas Exxonmobil LNG Project. Spearheaded facility engineering and project management for industrial and commercial projects with Achievers Business Group Inc.

Engineer, Drafter / Designer

PH
Kareem H.

Kareem H.

$50/jourSenior

As an Electrical engineer with ten of experience in electrical engineering, I excel in managing complex projects and leading technical teams. I oversee automation projects, negotiate with suppliers, and prepare technical and commercial bids. My previous roles at RMG, Cairomatic EG and Fine Peak Co. have equipped me with extensive expertise in tendering, RFQs, and project management for large-scale water and wastewater treatment plants. I hold a Master's in Business Administration and a Bachelor's in Electrical & Electronic Engineering Technology . I am passionate about innovation and efficiency, driving project success through strategic thinking and technical expertise.

Engineer

EG
Disponible
Patricia B.

Patricia B.

$200/jourSpecialist

Engineer

AR
Disponible
Elveron Chabrel  S.

Elveron Chabrel S.

$200/jourSenior

Supervisor / Technician, Superintendent, Other, Manager, Inspector, Engineer

Disponible
Jignesh S.

Jignesh S.

$920/jourSpecialist

Dynamic and accomplished Subsea project management & engineering professional with extensive experience in leading onshore and offshore subsea projects with emphasis on Feed study, engineering, project management, design coordination, testing, installation, commissioning, quality, and HSE in Offshore and Onshore Oil & Gas EPCIC projects. Proven record of accomplishment in directing pre-commissioning, and commissioning activities associated with the offshore subsea project. Extensive knowledge of upstream offshore subsea production system solutions, SURF design requirement, Interfaces with other packages, flow metering solution, International standards, and their requirements. Proven expertise in: • Design & Engineering • Installation & Commissioning • Feed Study & Tendering • Team Leadership & Mentoring • Project Management & Communication • Interface Management and Testing • Supplier Surveillance & Supervisor • Strong organization & Planning skills

SG
Disponible
Carlos S.

Carlos S.

$249/jourSpecialist

Project Manager, Contract Administrator and Civil Engineer with 18 years of experience combining strategic vision, technical excellence and collaborative leadership to drive high-impact projects in the Oil & Gas, infrastructure and energy sectors. Management and Direction of CAPEX Major Projects Investment Projects. Strong leadership skills, strategic decision-making and negotiation with stakeholders. Committed to continuous improvement, operational efficiency and the delivery of results aligned with strategic objectives. Extensive experience directing and leading high-performance multidisciplinary teams, coordinating contractors, overseeing regulatory compliance, safety and contractual deadlines.  Certified Professional Project Manager (PMP) with solid skills in Project Lifecycle Management: Scope, Time and Cost Management. Design Management. Risk management. Budget management. Management and administration of FIDIC/NEC contracts; EP, EPC, EPCM (Lump sum, Unit prices, Time & materials). Management and handling of Claims. Schedule management. Purchasing & supplier management. Construction management. Quality Management and EHS. Start-up, Handover & Turnover.  Professional with experience in the implementation of Project Management Officer - PMO combining best practices, agile methodology and standards for the management of Investment and Infrastructure Projects: FEL, AACE, AWP, PMI, Lean Project Management and VIPs (Value Improving Practices). My focus during Project Management and Management is to meet the strategic objectives of the organization, generating value and profitability expected by the Operator and the Board of Directors, achieving the satisfaction of the interested parties within the established Budget and deadline.

Superintendent, Manager, Inspector, Engineer, Supervisor / Technician

AR
Disponible
Rendi P.

Rendi P.

IDR 1,120,000/jourLead

Highly skilled Senior Piping and Mechanical Engineer boasting 10+ years of comprehensive experience in industrial project management, particularly within piping materials and construction. I bring strong capabilities in material management, project scheduling, and the leadership of diverse teams. My extensive background in the marine, oil & gas, and manufacturing sectors demonstrates a consistent ability to oversee complex projects from initiation to completion, ensuring targets are met efficiently

Engineer

ID
Disponible
Athiras S.

Athiras S.

$400/jourSpecialist

Since 2015, Our mission is to use top-tier engineering to drive progress and deliver innovative solutions across diverse sectors. We have a strong presence in Engineering, Procurement and Construction Market. Our teams consist of highly skilled professionals from prestigious universities and leading industries, both domestically and internationally. Their combined expertise and innovative approach allow us to create transformative solutions that not only meet today’s needs but also paved the way for future growth. By emphasizing precision in our work, upholding integrity in our actions, and delivering unmatched value to our clients, PT Athiras Sarana Konstruksi continues to shape the future engineering and construction. reach us www.athiras.id

Manager

ID
Disponible
Rifki W.

Rifki W.

$155/jourJunior

An experienced Engineer and Drafter with a strong background in technical design, fabrication, and engineering project. Competence in Design and Modeling, Heavy Lifting method and sequences, Technical analysis for fabrication and installation, Material Calculations, Cost estimation.

Drafter / Designer, Engineer

ID
MOHAMMED A.

MOHAMMED A.

$250/jourSpecialist

Pragmatic Leader owning all the stages of project by establishing and pitching a clear project execution plan, complete with milestones and goals, holding team members accountable to goals and providing leadership along the way.   Experienced across thermal and renewable technologies through project development and into execution including in securing and delivering services for generation clients from identifying opportunities, through preparing proposals to managing projects to completion.

Manager

Disponible
Danny C.

Danny C.

$2,000/jourSpecialist

Malaysian Chinese, Fluent in English, Malay, Chinese. Bachelor of Engineering (Mechanical - Aeronautics), UTM, 2005. 20+ years with Shell, BP, Repsol, Hibiscus Petroleum and ENEOS Xplora in various setup including JOC and JV. Extensive HSSE, Well Planning and Drilling Operations experience in various type of Oil and Gas wells e.g. Ultra ERD/ERD in depleted environment, narrow margin drilling etc. Leading and coaching Engineers from various background and levels to deliver multiple record-breaking wells, overcoming all the challenges. Involve in various strategic planning and negotiation such as Production Sharing Contract (PSC) extension, evaluating and acquiring new fields, collaboration with other operators etc. Entrusted to manage both internal and external stakeholders, which includes Regulators and Partners especially during crisis

MY
Haziq S.

Haziq S.

$110/jourSenior

A chemical engineer with knowledge and experience in entrepreneurship, renewable energy and sustainability, process technology, process engineering, project management, and feasibility studies. The industries of upstream oil and gas, manufacturing, petrochemical, and renewable energy are all involved. An insightful engineer who can adapt to new challenges and finish tasks on schedule. Strengths include analytical thinking, seamless interaction, teamwork, and leadership. https://www.linkedin.com/in/haziquesalam/

Engineer

MY
Disponible
kajentharan  S.

kajentharan S.

MYR 2,200/jourSpecialist

Good day , I have 30 years of working experience encompassing marine , civil , and energy industries . My expertise are in the area of CAPEX development for onshore and offshore for EPCC and EPCIC type of Scope of Works .

Other, Manager

MY
Disponible
VINCETAN S.

VINCETAN S.

$300/jourSpecialist

I am a Civil Engineering and Quantity Surveying professional with a MSc degree in Project Management, and recognized credentials as a Chartered Quantity Surveyor (MRICS), and member of the Chartered Institute of Builders (MCIOB) coupled with over 34 years of comprehensive experience in the construction industry, including 19 years of experience in the GCC, I confident in my ability to contribute effectively to your team. 

Manager, Supervisor / Technician, Superintendent, Engineer

BH