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Sai Vivek Senapathi

Sai Vivek Senapathi

TECHNO-COMMERCIAL | ESTIMATION | TENDERING | PROJECT COMMERCIALS

Talent
North RegionMember since October 6, 2026
Commercial NegotiationPurchase Order FinalizationPayment Follow-upProfitability AnalysisTCS iON Sales ModuleTenderingRate AnalysisPricingQuotationsNegotiationBillingInvoicingCommercial DocumentationOffshore FabricationSteel RenewalsSurface PreparationWIPWDNIJIPSOASales Forecasts
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Commercial NegotiationPurchase Order FinalizationPayment Follow-upProfitability AnalysisTCS iON Sales Module

About

Techno-Commercial and Estimation professional with experience across Oil & Gas, offshore fabrication, marine, shipyard and international commercial operations. Experienced in handling the complete commercial cycle from client enquiry, estimation and costing through tender submission, quotation, negotiation, purchase order, project coordination, billing and payment follow-up. Hands-on exposure to tendering and commercial documentation for major organizations including ONGC, Oil India, Hindustan Shipyard Limited, Naval Dockyard and MDL, along with commercial coordination for international operations in the UAE and Qatar.

Experienced in working with cross-functional teams comprising production, procurement, manpower/crew coordination, subcontractors and project teams, while supporting management with sales forecasts, profitability analysis, WIP, WDNI, JIP and SOA reporting. Recognized with a Certificate of Excellence during the first year of employment and progressed from trainee/engineering responsibilities into a Commercial Engineer role with broader responsibility for Indian and overseas commercial operations.

Experience

Commercial Engineer & Buyer - SriSai Oilfield Equipment & Marine Services Pvt. Ltd. - Kakinada, India

(2022-08)

Joined as a Commercial Engineer and progressively assumed broader responsibilities covering estimation, tendering, commercial documentation, project coordination, billing, procurement and client management, with additional responsibility for commercial activities of the company's UAE entity. Manage commercial activities across Oil & Gas, marine, offshore and shipyard projects, coordinating with management, clients, production, procurement, manpower/crew teams and subcontractors.

  • Receive and analyse client enquiries and develop detailed estimates covering manpower, materials, equipment, overheads and project lead times.
  • Prepare detailed costing sheets and commercial quotations using the TCS iON Sales Module.
  • Develop project-specific pricing and rate structures based on scope, resource requirements and job complexity.
  • Coordinate internally with production, procurement, crew coordination and subcontractors to validate project costs and execution requirements.
  • Liaise with clients during commercial discussions, negotiations and clarification stages.
  • Support purchase order finalization and ensure commercial requirements are aligned with the agreed scope.
  • Monitor and study tender opportunities from Hindustan Shipyard Limited, MDL, ONGC, Oil India and other procurement portals.
  • Prepare and coordinate technical and commercial tender submissions in accordance with client requirements.
  • Develop estimation sheets, rate analysis and RC rate sheets in consultation with management.
  • Review tender scope, commercial conditions, documentation requirements and submission schedules.
  • Coordinate internal inputs and ensure timely submission of bids within stipulated deadlines.
  • Participate in post-tender commercial follow-up and client communication through award stages.
  • Prepare and coordinate documentation required for monthly billing, invoice submission and project commercial reporting.
  • Maintain project expenditure records and support revenue, cost and profitability monitoring.
  • Prepare commercial summaries and revenue-versus-expense comparisons for management review.
  • Track project progress against commercial requirements and coordinate with execution teams for supporting documentation.
  • Support billing teams with invoice preparation and follow-up for outstanding payments.
  • Maintain WDNI, JIP, WIP, SOA and invoicing trackers for Indian and overseas operations.
  • Supported shore-based and onboard activities as a primary subcontractor.
  • Prepared estimates and quotations for onshore and onboard requirements.
  • Managed client coordination and commercial activities from enquiry through execution and billing.
  • Coordinated with operational teams to support timely completion and documentation.
  • Supported onshore projects including primary steel renewals, scaffolding, surface preparation and crane boom-related works.
  • Prepared quotations and commercial submissions under established Master Service Agreement arrangements.
  • Coordinated projects through execution, documentation and billing stages.
  • Participated in tender-based shipyard requirements covering steel renewal, surface preparation, mechanical overhauling, renewal and new-build projects.
  • Prepared estimates, tariff sheets, quotations and tender documentation.
  • Coordinated project and commercial documentation in accordance with shipyard-specific procedures and submission requirements.
  • Supported commercial negotiations, project coordination and billing documentation.
  • Prepare monthly sales summaries, sales forecasts, WDNI and WIP reports for management.
  • Support management discussions relating to business strategy, manpower planning and business development.
  • Analyse project revenue and expenditure to support commercial decision-making.
  • Coordinate with procurement teams to align material requirements, pricing and project schedules.
  • Coordinate with subcontractors and operational teams for execution and commercial closure.
  • Maintain organized records of quotations, tenders, purchase orders, invoices and supporting commercial documentation.

International Commercial Operations – UAE & Qatar - SS Oilfield International FZC - UAE & Qatar

Alongside Indian operations, assumed responsibility for commercial activities associated with the company's overseas entity, supporting operations in the UAE and Qatar.

  • Coordinate with overseas buyers and clients regarding manpower availability, job schedules and project requirements.
  • Prepare commercial quotations based on established tariffs, scope of work and project complexity.
  • Coordinate with site teams to obtain and verify Work Completion Certificate (WCC) documentation.
  • Prepare, negotiate and finalize invoices based on completed work and agreed commercial terms.
  • Coordinate between clients, site personnel, management and subcontractors to support project execution.
  • Maintain commercial trackers and documentation for overseas projects.
  • Supported commercial requirements for shipyard, marine and industrial projects.
  • Participated in steel renewal, surface preparation and new-build related requirements.
  • Managed estimation, tariff preparation, quotations, project coordination, billing documentation and commercial follow-up.

Manager – Sales & HR - SIK Hatcheries – Aqua Culture / Prawns - Tuni, India

(2020 - 2022)

  • Managed day-to-day commercial and administrative activities.
  • Coordinated sales, procurement, workforce management and financial activities.
  • Supervised workforce of 35+ employees.
  • Managed sales coordination and procurement activities to support business operations.
  • Coordinated personnel and operational requirements across the organization.

Executive – Business Development - Financial Leader Advisory - Bangalore, India

(2019 - 2019)

  • Conducted cold calling and lead generation activities.
  • Managed client communication and business development activities.
  • Supported client handling and trading-related commercial communication.
  • Assisted in developing new business opportunities.

Education

B.Tech - Mechanical Engineering - SCSVMV University, Kanchipuram, Tamil Nadu (2015 - 2019)

Intermediate – MPC - Sai Aditya Junior College, Bhimavaram, Andhra Pradesh (2013 - 2015)

10th – CBSE - Sri Prakash Vidyaniketan, Payakarao Peta, Andhra Pradesh (2012 - 2013)

Skills

TECHNO-COMMERCIALESTIMATIONTENDERINGPROJECT COMMERCIALS

Reviews

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