Licensed by the National Center for Waste Management (MWAN) — Waste Management Licence No. 005701, Landfill Lining.
Optimum Techniques for Contracting

Careers

We install HDPE geomembrane linings for landfills, ponds and industrial containment across Saudi Arabia. We are looking for skilled technicians who take pride in a tight seam and a clean test report.

Why work with us

  • Specialist work

    Geomembrane lining is what we do: landfills, evaporation and RO reject ponds, water reservoirs and oil and gas containment.

  • Real responsibility

    Lead technicians run their own crew and sign off the quality of their own work.

  • Training

    Written procedures, training and skills assessments to international standards such as ASTM and GRI.

Open positions

Lead Technician – HDPE Geomembrane Welding

An experienced welding technician who welds, tests, leads the crew and owns site quality

Location
Dammam, with project sites across Saudi Arabia
Employment
Full-time
Experience
5+ years
Language
Spoken English

We are hiring an experienced geomembrane welding technician to lead our installation crews. You will do the welding and testing yourself, supervise the helpers, and make sure every panel and seam is installed, tested and recorded correctly, from the first roll to the final test report.

Requirements

  • At least 5 years of hands-on experience in HDPE geomembrane installation
  • Hot-wedge (fusion) and extrusion welding of HDPE geomembrane, done by yourself
  • Seam testing: air-channel pressure test, vacuum box, spark test, and peel and shear tests with a field tensiometer
  • Experience supervising and directing a crew of helpers
  • Good spoken English, to report to engineers and the client's QA team
  • Able to keep QA/QC records: trial welds, panel and seam logs, repair logs and test reports

Responsibilities

  • Lay out and deploy geomembrane panels, geotextile and related layers; check the subgrade and form anchor trenches
  • Weld seams, patches and details around pipes and structures with wedge and extrusion welders
  • Run trial welds and non-destructive and destructive seam tests, and repair and retest any failures
  • Plan the day's work, supervise and train helpers, and enforce HSE rules on site
  • Work to the project's quality plan and GRI specifications, alongside the client's or third-party QA inspector
  • Record test locations, failures and repairs on the panel layout, and prepare the test report
  • Look after the welding and testing equipment, and run a site on your own when required

An advantage

  • Landfill, evaporation pond or oil and gas lining projects
  • Work to Saudi Aramco, SABIC or Royal Commission requirements
  • GCL (geosynthetic clay liner) installation
  • Previous work in Saudi Arabia or the GCC, and a valid Saudi driving licence

What we offer

  • Salary based on experience
  • Housing or housing allowance, transport and medical insurance
  • Work visa and air ticket paid by the company for candidates outside Saudi Arabia
  • A long-term role, with training on our procedures and international standards

How to apply

Send the following by WhatsApp or email, with the job title in the subject or first line:

  • Your CV, with your phone / WhatsApp number
  • Photos or a short video of your own welding work
  • Experience certificates from previous employers
  • Where you are now (in Saudi Arabia or abroad) and when you can join

Candidates already in Saudi Arabia with a transferable iqama and candidates from abroad are both welcome. Shortlisted candidates take a practical welding and testing trade test.

Apply on WhatsAppApply by email

+966 53 860 1022 | info@optechsco.com

We never charge candidates any recruitment, visa or processing fee. If anyone asks you to pay to work with us, do not pay, and contact us.

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