Gregor L K Nelson

Survey Engineer / Offshore Surveyor

Aberdeenshire, Scotland (AB54)

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PROFESSIONAL SUMMARY

Survey Engineer with two years offshore experience operating positioning systems across North Sea projects, involving extensive work with ROV and subsea acoustic equipment. Supports vessel mobilisation, hardware calibration, and technical reporting while executing real-time troubleshooting during operations. Mechanical engineering background supports equipment diagnostics and system modifications. Software development skills enhance equipment troubleshooting and workflows. Successfully completed projects for leading clients including Prosafe, Noble, and Harbour Energy, maintaining positioning tolerances in challenging conditions. Authorized to work in the UK, Canada, and Australia, ready to apply proven skills to global offshore projects.

EDUCATION

University of Aberdeen

2017 – 2021 | BSc Mechanical Engineering

North East Scotland College

2015 – 2017 | HND Mechanical Engineering

CERTIFICATIONS

  • › BOSIET with CA-EBS, Norwegian Escape Chute & MIST (Valid - March 2028)
  • › Offshore Medical (Valid - March 2026)
  • › B1 Counterbalance Forklift (December 2023)
  • › Work at Height Unit 2 (August 2023)

EXPERIENCE

Survey Engineer

June 2023 – Present | InterMoor Ltd

Key Technical Capabilities:
  • › Configure and calibrate GNSS/USBL positioning systems for precise navigation in offshore environments
  • › Conduct ROV surveys for critical subsea infrastructure tasks
  • › Deploy acoustic monitoring systems including Scanning Sonar for seabed detection
  • › Apply coordinate reference system requirements across different datums and regional frameworks for precise spatial control
  • › Apply engineering principles to troubleshoot and resolve positioning issues in real-time
Key Offshore Projects:

Prosafe Safe Caledonia WPPA Survey (April 2025)

  • › Delivered positioning services for Safe Caledonia pre-lay operations from Horizon Arctic, deploying 10 anchors around Captain WPPA platform within FPSO mooring exclusion zones
  • › Coordinated ROV positioning support for anchor verification and as-laid surveys throughout 8-day Captain field deployment
  • › Performed comprehensive USBL transducer calibration including 15-point spin test sequence, determining pitch, roll, and heading correction parameters for enhanced positioning accuracy

Noble Resilient Rig Move - Baker To Abbey (November 2024)

  • › Assisted with dimensional control survey, measuring critical rig offsets and establishing local vessel reference frame
  • › Supported traverse post-processing in Trimble Business Center, providing-precision coordinate data for positioning operations
  • › Configured, deployed and verified 360° Scanning Sonar for seabed debris inspection at proposed jacking location
  • › Delivered final positioning report with dimensional control results, statistical analysis and coordinate validation, securing client approval and successful project completion

PBLJ Rig Move - Harbour Energy (September 2024)

  • › Conducted GVI surveys of subsea infrastructure from Njord Viking across four anchor lines requiring verification for hook-up operations
  • › Calibrated ROV positioning system utilizing SVP and gyro corrections to establish positioning accuracy meeting client requirements
  • › Carried out as-left surveys along several piplines following anchor recovery operations, providing final verification fixes
  • › Provided real-time positioning support to all vessel crews throughout anchor handling operations

EXPERIENCE (CONTINUED)

Engineering Placement

Jun 2018 – Sep 2018 | Dana Petroleum

  • › Summer Placement with a notable North Sea exploration and production company
  • › Contributed to maintenance programs by creating documentation and updating procedures for offshore technical crews supporting Triton FPSO operations
  • › Compiled comprehensive database documenting locations, specifications, and maintenance procedures across topside infrastructure, supporting bi-annual PSV inspection campaign

Workshop Maintenance Technician

May 2017 – Aug 2017 | William Grant & Sons

  • › Internship with an established Speyside distiller. Working closely with the general maintenance team across various production responsibilities
  • › Performed inspection and repair of specialized machinery and instrumentation during annual plant shutdown
  • › Designed and constructed full height steel partition wall and sliding door system for workshop separation
  • › Completed complex fabrication tasks with minimal instruction

Workshop Mechanical Technician

Jun 2015 – Aug 2015 | KD Marine Ltd

  • › Internship with a recognised provider of underwater intervention services
  • › Aided in the construction of bespoke surface control panels for offshore dive operations, following technical drawings and established quality control
  • › Performed maintenance on standby vessels and daughter craft, following servicing guidelines and procedures
  • › Assisted with modifications to surface launch & recovery systems, improving operational reliability
  • › Adhered to strict verification protocols ensuring life-support systems met certification requirements

TECHNICAL SKILLS

Survey & Positioning

Core Competencies:
GNSS Systems USBL Positioning ROV Survey Subsea Infrastructure Mapping Scanning Sonar Total Station Operation Dimensional Control
Technologies & Equipment:
Veripos & C-Nav 4D Nav NavView Kongsberg APOS Tritech/Impact Subsea Teledyne Valeport Trimble

Engineering & Fabrication

CAD & Design:
SolidWorks AutoCAD Fusion 360
Metalworking:
Mig/Tig Welding Manual Machining General Fabrication

Technical Computing

Programming & Administration:
Python JavaScript PowerShell/CMD Bash/Shell HTML/CSS
Data & Analysis:
Statistical QC Position Verification Technical Reporting Data Visualization

Available for global deployment with established work rights across key operational regions.