Member since Jun '08

Working languages:
English to Russian
Ukrainian to Russian
English to Ukrainian
Russian (monolingual)
English (monolingual)

Availability today:
Available

November 2026
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Sergei Leshchinsky - Serhii Leshchynskyi
ProZ.com Professional Trainer
Take the hassle out of it

Odessa, Odes'ka Oblast, Ukraine
Local time: 00:20 EET (GMT+2)

Native in: Russian 
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What Sergei Leshchinsky - Serhii Leshchynskyi is working on
info
Oct 24 (posted via ProZ.com):  M&O Manuals for gas turbine aux and safety equipment. EN→RU, 500k words. Translation and editing. ...more, + 11 other entries »
Account type Freelancer and outsourcer, Identity Verified Verified member
Data security Created by Evelio Clavel-Rosales This person has a SecurePRO™ card. Because this person is not a ProZ.com Plus subscriber, to view his or her SecurePRO™ card you must be a ProZ.com Business member or Plus subscriber.
Affiliations
Blue Board affiliation:
Services Translation, Interpreting, Editing/proofreading, Voiceover (dubbing), Subtitling, Training, AI + Human review (MT post-editing) , Transcription
Expertise
Specializes in:
Environment & EcologyTransport / Transportation / Shipping
Engineering (general)Government / Politics
Computers: Systems, NetworksComputers: Software
Business/Commerce (general)Marketing
Medical: InstrumentsAgriculture
Advertising / Public RelationsAutomotive / Cars & Trucks
Construction / Civil EngineeringCertificates, Diplomas, Licenses, CVs
FisheriesGeology
Human ResourcesEnergy / Power Generation
Forestry / Wood / TimberGeneral / Conversation / Greetings / Letters
Social Science, Sociology, Ethics, etc.Science (general)
SAPPsychology
Medical: Health CareShips, Sailing, Maritime
ManufacturingMechanics / Mech Engineering
LinguisticsIT (Information Technology)
Furniture / Household AppliancesEngineering: Industrial
Education / PedagogyTelecom(munications)
Finance (general)Architecture
AnthropologyEconomics
Petroleum Eng/SciMedia / Multimedia
Automation & RoboticsPhotography/Imaging (& Graphic Arts)
OtherMusic
GeographyCinema, Film, TV, Drama
Cooking / CulinaryMilitary / Defense

All accepted currencies U. S. dollars (usd)
KudoZ activity (PRO) PRO-level points: 199, Questions answered: 176, Questions asked: 27
Project History 3 projects entered

Payment methods accepted Visa, Wire transfer, PayPal, MasterCard, Payoneer, Wise, Payoneer EU Payment Service, Payoneer US Payment Service, https://www.proz.com/pay/1671 | Send a payment via ProZ*Pay
Currencies accepted Euro (eur), U. S. dollars (usd)
Portfolio Sample translations submitted: 5
Glossaries Banking, general, IT, Legal, SAP, technical
Standards / Certification(s) Notary Approved
Translation education Master's degree - ONU
Experience Years of experience: 31. Registered at ProZ.com: Sep 1999. Became a member: Jun 2008.
ProZ.com Certified PRO certificate(s)
Credentials English to Russian (Odessa State University, verified)
Memberships N/A
Software ABBYY FineReader OCR, Adobe Acrobat, Adobe Photoshop, Aegisub, AutoCAD, ChatGPT, Crowdin, DeepL, Google Docs, Google Gemini, Google Sheets, Google Slides, Google Translate, Google Translator Toolkit, Grammarly, Helium, Idiom, LibreOffice, MateCat, memoQ, MemSource Cloud, MetaTexis, Microsoft 365, Microsoft Copilot, Microsoft Excel, Microsoft Word, OmegaT, Perplexity, Plunet BusinessManager, Powerpoint, SDLX, Smartcat, STAR Transit, Subtitle Workshop, Trados Studio, Translation Workspace, Wordfast, Xbench, XTM, XTRF Translation Management System

Forum posts 2759 forum posts
Events and training
Professional practices Sergei Leshchinsky - Serhii Leshchynskyi endorses ProZ.com's Professional Guidelines (v1.1).
Bio

Senior Technical Translator with more than 30 years of professional experience translating complex engineering documentation for industrial manufacturers, equipment suppliers, engineering companies and international language service providers.


Specialized in industrial manufacturing, heavy engineering, construction and mining equipment, mechanical systems, hydraulics, industrial automation and energy technologies. Extensive subject-matter expertise enables accurate translation of technically demanding documentation while preserving engineering intent, terminology consistency and publication quality.


Professional practice covers the complete lifecycle of industrial products and equipment—from technical specifications and procurement documentation through installation, commissioning, operation, maintenance, troubleshooting, repair, overhaul and lifecycle support.


CORE EXPERTISE

Industrial Engineering Documentation

Heavy Equipment Documentation

Construction & Mining Equipment

Mechanical Engineering

Industrial Manufacturing

Hydraulics & Pneumatics

Industrial Automation

Power Generation

Technical Translation

Terminology Management

Machine Translation Post-Editing (MTPE)

Linguistic Quality Assurance (LQA)

PROFESSIONAL PRACTICE

Independent Technical Translator & Localization Specialist


1995 – Present

Providing English ⇄ Russian ⇄ Ukrainian technical translation, localization, editing, Machine Translation Post-Editing (MTPE) and linguistic quality assurance services for industrial manufacturers, engineering companies and international language service providers.


Long-term professional practice includes translation of engineering documentation supporting the complete operational lifecycle of complex industrial equipment and manufacturing systems. Consistently trusted with technically demanding projects requiring precise terminology, subject-matter understanding and compliance with client documentation standards.


Core responsibilities include:

  • Translation of industrial engineering documentation, operation and maintenance manuals, repair and overhaul documentation, engineering specifications, installation and commissioning documentation.
  • Machine Translation Post-Editing (MTPE).
  • Terminology management.
  • Editing and linguistic quality assurance.
  • Translator team coordination.


INDUSTRY EXPERIENCE


Heavy Equipment

Construction, mining, quarrying, marine and material handling equipment.


Industrial Manufacturing

Production technologies, manufacturing systems, industrial processes and factory equipment.


Mechanical Engineering

Mechanical assemblies, power transmission systems, hydraulic and pneumatic equipment, rotating machinery and industrial components.


Industrial Automation

Automation systems, control equipment, process technologies and industrial instrumentation.


Energy & Utilities

Power generation equipment, electrical infrastructure, environmental technologies and industrial utility systems.


TECHNICAL DOCUMENTATION


Regularly translate:

  • Technical specifications
  • Engineering documentation
  • Operation manuals
  • Maintenance manuals
  • Service manuals
  • Workshop manuals
  • Troubleshooting guides
  • Inspection procedures
  • Testing procedures
  • Repair procedures
  • Overhaul manuals
  • Installation guides
  • Commissioning procedures
  • Technical bulletins
  • Spare parts documentation
  • Illustrated Parts Catalogs (IPC)
  • Technical reports
  • Training documentation
  • Safety documentation
  • Quality documentation


SELECTED CLIENTS


Industrial Manufacturing & Engineering

Caterpillar • Siemens • GE • Metso • Cameron • John Deere


Industrial Automation & Technology

ABB • Schneider Electric • Emerson • Bosch Rexroth • Danfoss • Rockwell Automation (include only if reflected in the full CV)


Engineering Software

PTC • Siemens Digital Industries Software (if applicable)


TRANSLATION TECHNOLOGIES

  • CAT Tools
  • memoQ
  • SDL Trados Studio
  • Phrase
  • Professional Competencies
  • Machine Translation Post-Editing (MTPE)
  • Translation Memory (TM)
  • Terminology Management
  • Linguistic Quality Assurance (LQA)
  • AI-assisted Translation Workflows
  • Multilingual Technical Documentation
This user has earned KudoZ points by helping other translators with PRO-level terms. Click point total(s) to see term translations provided.

Total pts earned: 199
(All PRO level)


Top languages (PRO)
English to Russian185
English to Ukrainian10
Russian to English4
Top general fields (PRO)
Tech/Engineering102
Other40
Bus/Financial16
Marketing16
Law/Patents12
Pts in 3 more flds >
Top specific fields (PRO)
Law (general)16
Automotive / Cars & Trucks16
Electronics / Elect Eng16
Metallurgy / Casting8
Business/Commerce (general)8
Medical (general)8
Construction / Civil Engineering8
Pts in 26 more flds >

See all points earned >
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Profile last updated
Oct 24