1722 - Mechanical Maintenance Lead

About the role

Sigma Defense is seeking a Mechanical Maintenance Lead to be responsible for overseeing, coordinating, and executing mechanical maintenance, repair, and modification activities on complex systems associated with air‑cushion vehicles, aircraft, or naval mechanical platforms. This role provides hands‑on technical leadership while ensuring maintenance work meets safety, quality, documentation, and operational readiness standards. This is a contingent position that is pending award of contract; the position is subject to the successful awarding of a contract and will be confirmed once the contract is finalized. The candidate selected for this role will be offered the position on the condition that the contract is awarded to Sigma Defense.

Responsibilities

• Lead the daily execution of mechanical maintenance, troubleshooting, and repair activities for air‑cushion vehicles, aircraft systems, or shipboard mechanical equipment
• Supervise maintenance technicians and mechanics, ensuring technical accuracy, adherence to procedures, and safe work practices
• Assign and monitor tasks, provide technical direction, and ensure maintenance actions are performed correctly and efficiently
• Conduct and oversee corrective and preventative maintenance, component replacements, system inspections, alignments, and operational tests
• Diagnose complex mechanical issues and guide the team through resolution using established technical methods and best practices
• Validate work completion through functional checks, inspections, and documentation
• Implement and enforce mechanical maintenance quality control measures
• Ensure maintenance activities comply with applicable workmanship and technical standards, including: J‑STD‑001, IPC‑A‑610, IPC‑A‑620
• Identify maintenance discrepancies, perform root‑cause analysis, and implement corrective actions to sustain high-quality maintenance outcomes
• Utilize the Navy 3‑M Preventative Maintenance Program to plan, document, and validate maintenance requirements
• Ensure accurate and complete maintenance recordkeeping, including logs, system documentation, and maintenance index system entries
• Ensure that preventative maintenance schedules are followed, documented, and updated in accordance with procedural requirements
• Train personnel on proper use of 3‑M tools, forms, and reporting processes
• Enforce strict adherence to safety practices, hazard controls, and maintenance worksite protocols
• Identify risks involving equipment, tooling, maintenance processes, or personnel, and implement risk mitigation strategies
• Conduct worksite inspections to ensure compliance with safety policies and mechanical system maintenance standards
• Mentor and train junior technicians in mechanical maintenance procedures, quality requirements, and proper documentation practices
• Support qualification tracking, skills development, and certification maintenance for assigned personnel
• Foster a culture of technical excellence, safety, and pride in workmanship

Requirements

• 5+ years of experience performing maintenance, repair, or modification of air‑cushion vehicles, aircraft, or U.S. Navy shipboard mechanical systems
• 5+ years of concurrent experience supervising mechanical maintenance and repair of air‑cushion