MARCELUS NWOSU
@marcelusnwosu
Experienced survey engineer with expertise in offshore engineering.
NigeriaWhat I'm looking for
I am Nwosu Marcelus Osita, a highly capable physicist and seasoned survey technician with a proven track record in offshore engineering. With over six years of hands-on experience at Pisces Offshore, I have developed a deep knowledge of offshore survey systems and instrumentation, consistently delivering precision from concept through to handover.
My expertise encompasses a wide range of responsibilities, including mobilization, repair, maintenance, execution, and demobilization of various survey projects. I have a strong foundation in electronics, health and safety, and design implementation, which allows me to manage end-to-end design, testing, and deployment effectively. I pride myself on my safety-first mindset, backed by rigorous field training, and I am eager to contribute meaningfully to ongoing or upcoming field-based initiatives that require technical agility and reliability.
Experience
Work history, roles, and key accomplishments
Freelance Survey Engineer
Hydro Dive & Shell Production and Development Limited
Feb 2025 - Mar 2025 (1 month)
Provided surface and subsea positioning for the Dive Support Vessel HD Contender during FORCADOS ACOE Decommissioning. Utilized Hemisphere VS1000, EIVA Navipac, and Mesotech Sector Scan for precise operations.
Freelance Survey Engineer
Hydro Dive & Shell Production and Development Limited
Nov 2024 - Dec 2024 (1 month)
Conducted surface and subsea positioning for the Dive Support Vessel HD Contender for Single Buoy Mooring (SBM 3) chain and subsea host inspection. Employed CNav 3050, Hemisphere VS1000, and EIVA Navipac software.
Survey Engineer
Pisces Offshore Nigeria Limited
Jan 2019 - Dec 2024 (5 years 11 months)
Managed and executed various survey projects including Rig-Move, ROV tracking, and subsea installation. Responsible for calibration, setup, and testing of survey equipment, ensuring precision and operational readiness.
Freelance Survey Engineer
Chevron / Prime Source Limited (PSL)
Apr 2024 - Jun 2024 (2 months)
Performed surface and subsea positioning for flexible pipe lay operations during the PANTHA Project. Utilized C Nav 5000, Satel Radio, and Eiva Navipac software for accurate placement.
Online Surveyor
Hydro Dive & Shell Production and Development Limited
Feb 2024 - Mar 2024 (1 month)
Executed online survey tasks, including surface and subsea positioning of the Dive Support Vessel HD Enterprise for SBM 3 chain and subsea host inspection. Leveraged CNav 3050, Hemisphere VS1000, and EIVA Navipac.
Online Surveyor
Hydro Dive & Shell Production and Development Limited
Jan 2024 - Jan 2024 (0 months)
Managed online survey operations for the Dive Support Vessel HD Enterprise, focusing on SBM 2 change-out at Forcados Yokri Field. Employed CNav 3050, Hemisphere VS1000, and EIVA Navipac for precise positioning.
Survey Engineer
Shell Nigeria
Dec 2023 - Dec 2023 (0 months)
Managed equipment mobilization for surface and subsea positioning of the Dive Support Vessel Adda Savanna. Supported FPSO Mooring Chain change-out at Bonga field with CNav 3050 and EIVA Navipac.
Survey Engineer
ExxonMobil
Dec 2023 - Dec 2023 (0 months)
Mobilized CNav 3050 and Hemisphere equipment for surface and subsea positioning of the Dive Support Vessel Normand Installer. Supported FPSO Mooring Chain Change-out at Bonga field using EIVA Navipac.
Survey Engineer
Shell Nigeria
Dec 2023 - Dec 2023 (0 months)
Mobilized equipment for surface and subsea positioning of the Dive Support Vessel Normand Installer for FPSO Mooring Chain change-out. Utilized CNav 3050, Hemisphere VS1000, and EIVA Navipac software.
Survey Engineer
Hydro Dive & Shell Production and Development Limited
Sep 2023 - Nov 2023 (2 months)
Provided surface and subsea positioning for the Dive Support Vessel HD Enterprise during the installation of Forcados ACOE Temporary Export System. Utilized CNav 3050, Hemisphere VS1000, and EIVA Navipac.
Survey Engineer
Hydro Dive & Shell Production and Development Limited
Jun 2023 - Aug 2023 (2 months)
Conducted surface and subsea positioning for the Dive Support Vessel HD Enterprise for the installation of Forcados ACOE Temporary Export System. Employed CNav 3050, Hemisphere VS1000, and EIVA Navipac.
Survey Engineer
Hydro Dive & Shell Production and Development Limited
Feb 2023 - May 2023 (3 months)
Performed surface and subsea positioning for the Dive Support Vessel HD Enterprise during the installation of Forcados ACOE Temporary Export System. Utilized CNav 3050, Hemisphere VS1000, and EIVA Navipac.
Survey Engineer
Oil Serv & NNPC
Jan 2023 - Jan 2023 (0 months)
Carried out a geophysical survey along the River Niger for pipe laying operations. Utilized Sound Velocity Profiler, EdgeTech Side Scan Sonar, and Hypack Software for data acquisition.
Survey Engineer
Pisces Offshore Limited / LES Energy Service Limited / Mobil
Dec 2022 - Dec 2022 (0 months)
Supported deep water subsea and marine intervention, including ROV tracking and support. Utilized C-Nav DGPS 3050, Hemisphere VS1000 DGPS, and EIVA Navipac software for operations.
Survey Party Chief
Hydro Dive & Shell Production and Development Limited
Nov 2022 - Nov 2022 (0 months)
Led surface and subsea positioning for the Dive Support Vessel HD Enterprise during the installation of Forcados Sub-Sea host. Employed EIVA-Navipac, HiPAP USBL, and Hemisphere GNSS receivers.
Survey Engineer
Hydro Dive & Shell Production and Development Limited
Sep 2022 - Oct 2022 (1 month)
Provided surface and subsea positioning for the Dive Support Vessel HD Enterprise for the installation of Forcados Sub-Sea host. Utilized CNav 3050, Hemisphere VS1000, and EIVA Navipac software.
Survey Engineer
Awaritse Nigeria Limited/TIlone Subsea Limited/Mobile Produc
Jun 2022 - Aug 2022 (2 months)
Supported field maintenance, including diver and ROV tracking. Utilized C-NAV DGPS 3050, TSS Meridian Gyrocompass, and Hipap USBL for accurate positioning and support.
Survey Engineer
Hydro Dive & Shell Production and Development Limited
Apr 2022 - Jun 2022 (2 months)
Managed surface and subsea positioning for the Dive Support Vessel HD Enterprise for SBM2 Change-out. Employed CNav 3050, Hemisphere VS1000, and EIVA Navipac software.
Survey Engineer
Hydro Dive & Shell Production and Development Limited
Feb 2022 - Feb 2022 (0 months)
Mobilized equipment for surface and subsea positioning of the Dive Support Vessel HD Contender. Utilized CNav 3050, CNode Transponder, and EIVA Navipac software for operations.
Survey Engineer
Hydro Dive & Shell Production and Development Limited
Dec 2021 - Dec 2021 (0 months)
Mobilized equipment for surface and subsea positioning of the Dive Support Vessel HD Pioneer. Utilized CNav 3050, Hemisphere VS1000, and EIVA Navipac software.
Survey Engineer
WAV/Mobil Production and Development Company Limited Nigeria
Nov 2021 - Nov 2021 (0 months)
Provided surface positioning for SPM Storage at Bonny River Terminal. Utilized Hemisphere VS1000, CNav 3050, and EIVA Navipac for accurate operations.
Survey Engineer
Hydro Dive & Shell Production and Development Limited
Nov 2021 - Nov 2021 (0 months)
Mobilized equipment for surface and subsea positioning of the Dive Support Vessel HD Enterprise. Utilized Kongsberg CNode, Hemisphere VS1000, and EIVA Navipac software.
Survey Engineer
Hydro Dive & Shell Production and Development Limited
Sep 2021 - Sep 2021 (0 months)
Mobilized equipment for surface and subsea positioning of the Dive Support Vessel HD Enterprise. Utilized Hemisphere VS330, C-Nav 3050, and EIVA Navipac software.
Survey Engineer
LES Energy/Mobil Production and Development Company Limited
Sep 2021 - Sep 2021 (0 months)
Mobilized African Installer for subsea maintenance operations. Utilized Hemisphere VS330, C-Nav 3050, and EIVA Navipac software for precise execution.
Survey Engineer
Shell Production Development Company Limited
Aug 2021 - Aug 2021 (0 months)
Mobilized equipment for surface positioning of SEWOP Move operations. Utilized C-Nav 3050 and EIVA Navipac software for accurate positioning.
Survey Engineer
Oretol
Jul 2021 - Jul 2021 (0 months)
Mobilized equipment for ORETOL Geophysical and Pre-Dredge Survey. Utilized ECHOTRAC Single Beam Echosounder, Sub-Bottom Profiler, and HYPACK software.
Survey Engineer
Sulmara Company Limited
Jun 2021 - Jun 2021 (0 months)
Mobilized equipment for the DIMCON SA EXPLORATION Project. Utilized Terus Devid Base GNSS and EIVA Navipac software for survey operations.
Survey Engineer
Mobil Production and Development Company Limited Nigeria
May 2021 - May 2021 (0 months)
Mobilized equipment for surface and subsea positioning of SPM/PIPELINE REINSTALLATION BOP field project. Utilized USBL system, Applied Acoustic Transponders, and EIVA Navipac software.
Survey Engineer
Hydrodive / Peace Service Limited / Chevron Nigeria Limited
Apr 2021 - May 2021 (1 month)
Supported spool, riser, and mattress installation at Meren WP, M102 Platform. Utilized C-NAV DGPS 3050, Kongsberg Hipap USBL, and EIVA Navipac software.
Survey Engineer
Shell Production and Development Company
Feb 2021 - Feb 2021 (0 months)
Mobilized equipment for surface positioning of SEWOP Move operations. Utilized C-Nav 3050 and EIVA Navipac software for accurate positioning.
Survey Engineer
Shell Production and Development Company
Jan 2021 - Jan 2021 (0 months)
Mobilized equipment for Afremo Geophysical Survey. Utilized Multi Beam Echosounder, EdgeTech Side Scan, and Hypack Software for data acquisition.
Survey Engineer
NPDC Okpoho
Dec 2020 - Dec 2020 (0 months)
Mobilized for subsea intervention, including ROV Tracking and Dive Support on the OKONO 8’’ pipeline. Utilized HIPAP system, Kongsberg Cnode, and Hypack software.
Survey Engineer
RMC (MV Calafce)
Dec 2020 - Dec 2020 (0 months)
Mobilized for Buoy Positioning operations. Utilized Sonardyne Transponders & Sensor hub and EIVA Navipac software for accurate positioning.
Survey Engineer
Maersk Maker Raytheon Energy Limited / Chevron Nigeria Limit
Oct 2020 - Oct 2020 (0 months)
Supported LPG Escravos FSO Chain repair, Mooring, and Turret Monitoring. Utilized C-NAV DGPS 3050 and 5000, and EIVA Navipac software for operations.
Survey Engineer
Boaz Integrated Energy / Atlas Petrolum Limited
Sep 2020 - Sep 2020 (0 months)
Performed Jackup Positioning at Ejuelebe platform A. Utilized C-nav Dgps 3050, Veripos Gps, and EIVA Navipac software for accurate positioning.
Survey Engineer
Boaz Integrated Energy / Atlas Petrolum Limited
Jul 2020 - Jul 2020 (0 months)
Conducted Seabed Debris survey at Ejuelebe platform A. Utilized C-NAV DGPS 3050, Kongsberg Mesotech Sector Scan, and EIVA Navipac software.
Survey Engineer
Mobil Production and Development Company Limited Nigeria
Mar 2020 - Mar 2020 (0 months)
Mobilized for positioning support for subsea facility maintenance at Erha and USAN (MOBIL) Field. Utilized HIPAP system, Kongsberg Transponders, and EIVA Navipac software.
Survey Engineer
West Africa Venture/Africa Diving Service / Addax Petroleum
Feb 2020 - Mar 2020 (1 month)
Supported pipe-lay operations from ADN-A to ADN-B platform and dive support. Utilized C-NAV DGPS 3050, IXSEA GAPS USBL, and EIVA Navipac Software.
Survey Engineer
West Africa Venture/Africa Diving Service / Addax Petroleum
Jan 2020 - Jan 2020 (0 months)
Conducted Geophysical Survey (pre-lay) for AND-A to AND-B platform. Utilized C-NAV DGPS 3050, Edgetech 3100 SBP, and Klein 3000 Side Scan Sonar.
Survey Engineer
Shield Drilling Nigeria and Amni Production Company
Dec 2019 - Dec 2019 (0 months)
Supported Rig-move operations at Okoro field. Utilized C-NAV DGPS 3050, Kongsberg Sector Scan Sonar, and EIVA Navipac software.
Furniture Maker and Upholstrer
Princeland Furnitures
Jan 2016 - Dec 2019 (3 years 11 months)
Manufactured various designs of cushion chairs and constructed household/office furniture. Prepared quotations for clients and managed home and hotel interior decoration projects.
Safety Officer
Orbital and Oranges Nigeria Limited
Jan 2016 - Dec 2019 (3 years 11 months)
Conducted safety induction training and organized hazard hunts. Held toolbox meetings and daily pep-talks, signed and issued work permits, and conducted safety drills.
Survey Engineer
Gremoore Limited / Mobile Producing Nigeria Unlimited (MPN)
Nov 2019 - Nov 2019 (0 months)
Conducted Geophysical / ROV Survey at Asasa VA and VB. Utilized C-NAV DGPS 3050, Sonardyne Ranger USBL, and Hypack/EIVA Navipac Software.
Survey Engineer
Chevron Nigeria Limited
Aug 2019 - Aug 2019 (0 months)
Supported LPG Escravos FSO Mooring and Turret Monitoring at Chevron FSO Escravos. Utilized C-NAV DGPS 3050, Meridian Gyrocompass, and EIVA Navipac Software.
Survey Engineer
Shield Drilling Nigeria and Amni Production Company
Jul 2019 - Jul 2019 (0 months)
Supported Rig-move and rig positioning at Okoro Field. Utilized C-NAV DGPS 3050, Kongsberg Sector Scan Sonar, and EIVA Navipac Software.
Mathematics Teacher
National Youth Service Corp (NYSC)
Jan 2015 - Dec 2016 (1 year 11 months)
Taught Mathematics to exam students and organized extra-moral classes. Assisted in the supervision of Physics practicals and examinations in the school laboratory.
Site Technician
Celtek Broadband Nigeria Limited
Jan 2013 - Dec 2015 (2 years 11 months)
Mounted and installed radio antennas for internet signal on site. Maintained internet communication cables and routers to ensure proper communication and network functionality.
Education
Degrees, certifications, and relevant coursework
Godfrey Okoye University
BSc Hons, Physics
Completed a Bachelor of Science with Honors in Physics. Gained foundational knowledge in physical sciences and research methodologies.
The West African Examinations Council (WAEC)
West African Senior School Certificate, General Studies
Successfully completed secondary education requirements. Obtained the West African Senior School Certificate.
National Examination Council (NECO)
National Senior Secondary Certificate Examination, General Studies
Achieved certification for senior secondary education. Obtained the National Senior Secondary Certificate Examination certificate.
Bishop Okoye Memorial Primary School
First School Leaving Certificate, Primary Education
Completed primary education requirements. Obtained the First School Leaving Certificate.
Availability
Location
NigeriaAuthorized to work in
Job categories
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