Job Description
Job Descriptions;
The Geomatic Engineer delivers SKT Live’s UAV survey and geospatial work hands-on: survey control, UAV LiDAR and photogrammetric data collection,
processing, analysis and final deliverables. It is a technical role with no line-management or budget responsibility.
Key Responsibilities.
- Survey planning and control
• Plan UAV missions: altitude, GSD, overlap, terrain following, flight blocks and RTK/PPK strategy.
• Establish ground control: GCPs and checkpoints observed by static multi-frequency GNSS, and base station setup.
• Confirm the coordinate reference system, datum and geoid model for each project before capture.
- Field data capture
• Fly UAV LiDAR and RGB missions as part of the field crew, setting scan mode, point density, IMU calibration patterns and base station logging for PPK.
• Carry out GNSS observations, topographic detail pickup and ground truthing where required.
• Follow pre-flight checklists, GCAA permits and client site HSE rules; log flights and equipment issues.
- LiDAR data processing and analysis
• Process LiDAR trajectories against base station data (PPK) and check strip alignment and calibration.
• Clean and classify point clouds (ground, vegetation, buildings, noise) to client specification.
- Generate DTM/DSM, contours, spot heights and breaklines for engineering use.
• Analyse terrain: slope, drainage and flood paths, cut/fill, earthwork and stockpile volumes, sections and profiles.
• Derive vegetation metrics under canopy: canopy height models, tree heights and counts.
- Extract features such as building footprints, corridor clearances and right-of-way encroachments.
• Validate vertical accuracy against independent checkpoints and report RMSE
- Photogrammetry and GIS analysis
• Process RGB imagery into orthomosaics and photogrammetric surfaces.
• Perform ellipsoidal-to-orthometric height conversions and coordinate transformations.
• Run GIS analyses: land-use classification, vegetation indices (NDVI/NDRE) and change detection
- Engineering and design support
• Build Civil 3D surfaces and drawings: topographic plans, grading designs, profiles and setout data.
• Support design tasks such as land levelling, drainage, field block layouts and cut/fill balance.
- QA/QC and deliverables
• Check accuracy against independent checkpoints and report RMSE.
• Prepare maps, CAD files, shapefiles and WebGIS layers in the client’s formats (English and French where required)
. • Write technical survey reports and periodic progress reports.
- Technical input to projects and proposals
• Provide methodology, quantities and time estimates for proposals and quotations.
• Join client meetings to clarify technical requirements and present results.
• Maintain organised project data archives and contribute to SOPs.
- Equipment care
• Maintain, calibrate and update drones, sensors and GNSS receivers; report faults promptly.
SKILLS
Hands-on UAV LiDAR collection, processing and analysis, plus photogrammetric processing, to survey-grade accuracy.
• Hands-on GNSS survey control: static, RTK and PPK workflows.
• Valid GCAA remote pilot licence, or eligibility to obtain one within 3 months.
• Working proficiency in AutoCAD Civil 3D and QGIS.
• Clear technical report writing.
Competencies and attributes
• Technical rigour: knows where accuracy is lost in the chain from GNSS control to final map, and checks it.
• Attention to detail: catches errors in datums, units, layers and labels before outputs leave the desk.
• Problem-solving in the field: adapts to weather, terrain, access and equipment issues on remote sites.
• Safety discipline: treats permits, checklists and incident reporting as non-negotiable.
• Communication: writes clear reports and explains technical results to non-specialists.
• Teamwork: works well in field crews and with processing colleagues; shares knowledge openly.
• Self-management: organises own workload across several projects and meets deadlines.
• Learning mindset: picks up new sensors, software and methods quickly
Desirable
• Membership of, or progress towards, the Ghana Institution of Surveyors.
• Large-area surveys (1,000+ ha) in mining, plantation (incl. EUDR), pipeline or cadastral projects.
• Working French, for Francophone West African projects.
• Python or PyQGIS scripting to automate processing.
Education;
MSc in Geomatics, GIS, Remote Sensing or a related field and
BSc in Geomatic Engineering, or Surveying, Geodetic Engineering or a closely related field.