48 Multiple Engineering & Technical Positions at Gage Contracting & Trading – Doha Qatar 2026

Job Overview

Gage Contracting & Trading W.L.L. (GCT Qatar) is a leading Water Treatment services provider and Mechanical, Electrical, and Plumbing (MEP) contracting company based in Doha, Qatar. Committed to providing an excellent working environment that enhances productivity and employee satisfaction, GCT Qatar welcomes hard-working, result-driven professionals with a strong team spirit to support its growing portfolio of infrastructure, industrial, and greenfield projects.

Applications are explicitly invited from qualified professionals across engineering, technical, and skilled trade disciplines to fill multiple immediate openings in Doha, Qatar.

Vacancy Matrix & Position-Specific Requirements

1. Mechanical / Piping Engineer (2 Posts)

• Required Experience: A minimum of 5 years of experience operating as a Site Engineer on major industrial piping projects.
• Technical Skills: Proven ability to accurately interpret all types of technical drawings, manage detail works, prepare material take-offs (MTO), and draft as-built schematics.
• Management Capability: Competent in planning daily work schedules and managing a large workforce of at least 100 personnel alongside 2 to 3 supervisors/foremen.
• Core Competencies: Exceptional client coordination skills and high computer literacy. Proficiency in MS Office is mandatory, while AutoCAD capability is a distinct operational advantage.
• Reporting: Reports directly to the Project Manager.

2. Piping Foreman (2 Posts)

• Required Experience: A minimum of 5 years of experience as a Piping Foreman within oil fields or heavy industrial settings.
• Technical Skills: Expert familiarity with all variations of piping drawings and advanced pipe fabrication techniques.
• Management Capability: Proven capacity to supervise a field team of up to 50 personnel, execute routine site planning, and prepare daily field progress layouts for engineering review.

3. Rigging Foreman (4 Posts)

• Required Experience: A minimum of 5 years of experience operating as a Rigging Foreman specializing in heavy lifts.
• Technical Skills: Deep foundational familiarity with international safety standards and operational procedures for lifting and rigging loads.
• Core Competencies: Proven ability to mathematically calculate complex load distributions and select appropriate rigging kits or methods of application.

4. Water Treatment Technician (4 Posts)

• Required Experience: A minimum of 3 years of experience working directly inside the commercial water treatment industry.
• Technical Skills: Hands-on background in the operations, maintenance, and field commissioning of Reverse Osmosis (RO) filtration plants, chemical dosing systems, and automated controllers.
• Core Competencies: Foundational multi-trade knowledge of basic plumbing and electrical cross-works.

5. Chemist (2 Posts)

• Required Experience: A minimum of 3 years of experience within the industrial water treatment sector.
• Technical Skills: Highly versed in modern water analysis methodologies with a strong capability to analyze complex water parameters and issue precise chemical treatment recommendations.
• Mobility Requirement: A valid GCC Driving License is mandatory for this position.

6. Tig & Arc Welder (8 Posts)

• Required Experience: A minimum of 5 years of experience specializing in the welding of heavy piping materials.
• Technical Skills: Verified experience handling Carbon Steel, Stainless Steel, and Alloy Steel executed strictly within 6G position compliance baselines.

7. Pipe Fabricator (6 Posts)

• Required Experience: A minimum of 5 years of experience within industrial plant environments.
• Technical Skills: Demonstrated capability to read, interpret, and understand basic isometric blueprints and complex plant layout drawings.
• Core Competencies: Fully capable of fabricating all pipe connections and fittings under both new greenfield setups and running plant project conditions.

8. Pipe Fitter (10 Posts)

• Required Experience: A minimum of 3 years of experience as an industrial pipe fitter.
• Technical Skills: A clear ability to read and understand basic isometric drawings coupled with a thorough understanding of industrial piping fitting compliance requirements.

9. Rigger (10 Posts)

• Required Experience: A minimum of 3 years of experience handling heavy field lifts.
• Technical Skills: Fully versed in industrial safety standards, non-verbal signals, and hazard procedures required during complex lifting and rigging works.

General Qualifications & Culture Alignment

• Location Reference: All positions are stationed on-site in Doha, Qatar.
• Core Aptitude: Highly motivated, result-driven individuals possessing strong team spirit and a dedication to high-quality project execution.
• Safety Mindset: Strict adherence to site-specific safety protocols, tool-box talks, and hazard preventions is mandatory across all field roles.

How to Apply Online (Step-by-Step Guide)

1. Prepare the Application Documents: Qualified candidates must update their comprehensive CV, ensuring it explicitly states their years of experience, specialized certifications (such as 6G welding credentials or rigging cards), and structural project history.
2. Construct the Email Application: Open a formal email message addressed directly to the GCT Qatar talent acquisition database via the official email address: careers@gctqatar.net
3. Format the Subject Line Mandatory Code: Per corporate directive, applicants must type the exact Job Title they are applying for directly into the email subject line (e.g., Subject: Application for Mechanical / Piping Engineer - Doha).
4. General Database Ingestion: Even if a candidate's specific profile does not match the active listings above, they are encouraged to submit their resume. GCT Qatar preserves qualified qualifications on file within its database for future infrastructure openings.

Important Dates & Recruitment Governance

• Job Posting Date: May 27, 2026
• Application Review Schedule: Active entries are evaluated on a rolling intake schedule.
• Feedback Window: If an applicant does not receive an official corporate response within four (04) weeks of submission, they should assume the application has been unsuccessful on this occasion.
• Source Reference Verification: GCT Qatar Careers Hub Portal

Expert Advice for Applicants

• Strict Subject Line Matching: The human resource sorting pipeline at GCT Qatar utilizes automated indexing based on email subjects. Sending an email without a clear, specific job title as the subject will likely cause the application to be lost or misrouted.
• Emphasize Industrial Plant Exposure: Whether applying as an engineer, chemist, or pipe fitter, the screening team heavily favors candidates who emphasize working inside active, high-pressure industrial environments like reverse osmosis (RO) plants, chemical dosing structures, or greenfield oil fields.
• Certifications and Blueprints Take Precedence: For trade roles (Welders, Fabricators, Fitters, Riggers), do not simply list past employment titles. Highlight your specific technical capabilities—such as the ability to independently read isometric drawings, execute 6G positioning welds, or calculate lifting kit capacities—right at the top of your resume.