Mechanical Fitter​/HVAC Technician Security Clearance

Position: Mechanical Fitter/HVAC Technician with Security Clearance
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- Description We are seeking a skilled and experienced Mechanical Fitter/HVAC Technician to perform installation, fabrication, maintenance, and repair of mechanical piping systems across commercial and industrial facilities. The ideal candidate will have hands-on experience working with various piping materials and HVAC systems, possess a strong understanding of mechanical schematics and blueprints, and be committed to delivering high-quality workmanship in compliance with safety and industry standards.

Primary Responsibilities:

* Install, fabricate, maintain, and repair piping systems carrying water, steam, air, gas, chemicals, and other fluids in commercial and industrial environments.

* Work with a variety of materials including carbon steel, stainless steel, copper, plastic piping, and other specialized materials.

* Inspect and troubleshoot mechanical and plumbing systems to identify and resolve leaks, blockages, corrosion, or equipment failures.

* Replace or repair damaged or faulty piping, valves, pumps, and fixtures to ensure system integrity and performance.

* Perform routine maintenance to ensure safety, efficiency, and longevity of mechanical systems.

* Assemble piping using welding, brazing, soldering, threading, grooving, and mechanical fittings with appropriate tools and equipment.

* Install and commission mechanical service piping systems including HVAC, chilled water, steam, compressed air, fire protection, and other process piping.

* Conduct pressure tests to detect leaks and verify system alignment and compliance with design and performance standards.

* Read and interpret piping blueprints, isometric drawings, P&IDs (Piping and Instrumentation Diagrams), and building plans to guide work.

* Coordinate system layouts, installations, and repairs with other trades and construction teams to meet project timelines and specifications. Basic Qualifications
* US Citizenship and a Top Secret/SCI with Polygraph.

* High school diploma or equivalent.

* 2–4 years of relevant hands-on experience in automotive maintenance and repair.

* Completion of a formal training program in automotive technology or a related field.

* Proficient in diagnosing mechanical and electrical issues using diagnostic tools such as motor analyzers, pressure gauges, and factory manuals.

* Ability to disassemble, repair, and reassemble engines, transmissions, and other major automotive systems.

* Skilled in using standard hand tools and power tools commonly used in automotive repair.

* Working knowledge of cooling systems, hydraulics, pneumatics, and preventive maintenance practices.

* Familiarity with performing routine vehicle inspections and safety checks.

* Ability to work independently with limited supervision and solve moderately complex mechanical problems.

Preferred Qualifications
* Associate degree or vocational certification in Automotive Technology, Diesel Mechanics, or a related technical field.

* 5+ years of experience in maintaining and repairing a wide range of vehicles including trucks, buses, and forklifts.

* ASE (Automotive Service Excellence) certification or equivalent industry credentials.

* Advanced troubleshooting and failure analysis skills.

* Experience working with both hydraulic and pneumatic systems in industrial or fleet settings.

* Knowledge of energy-efficient automotive systems and technologies.

* Familiarity with project management principles as they relate to repair timelines and parts procurement.

* Demonstrated understanding of quality control standards and vehicle compliance requirements.

* Strong safety record and knowledge of relevant occupational safety standards. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:
January 15, 2026 For U.S. Positions:
While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an…