Line Maintenance Supervisor
Listed on 2026-02-01
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Management
Operations Manager, Airport Staff & Aviation Operations
Title: Line Maintenance Supervisor
Reports to: Line Maintenance Manager
Entity: MSM
Group: Air Mobility Group Capability: Maintenance & Airworthiness
Level: S-5 FLSA Status: Exempt
Work Arrangement: On-Site, Moreno Valley, CA
Company Overview
Metrea is a defense company dedicated to translating commercial innovation into solutions for the hardest problems in national security. With deep mission expertise, Metrea focuses on delivering effects-as-a-service across Aerospace, Electromagnetic & Cyber, Digital & Synthetic domains via its capability groups. Metrea also consists of six support groups (Operations, People, Finance, Legal, Strategy and Solutions) that guide the development of specific capabilities that Metrea's files (product, projects, programs etc.)
leverage to achieve their targets.
Group Overview
Air Mobility Group (AIRMOB) is responsible for developing and delivering Metrea’s aerial refueling (AAR) capabilities, ensuring the readiness and operational effectiveness of the tanker fleet. AIRMOB oversees fleet management, maintenance, and airworthiness, working to sustain and enhance refueling operations. It manages the integration of new processes and technologies, ensuring that tanker aircraft remain mission-ready through effective logistics, maintenance oversight, and regulatory compliance.
By coordinating across various teams, AIRMOB ensures the fleet meets both current and future operational needs, supporting a range of specialized air mobility missions.
The Line Maintenance Supervisor provides direct, hands-on leadership for daily maintenance operations on AIRMOB KC-135R, C-135FR, and KC-135RG aircraft. This role is responsible for overseeing Maintenance Leads and their teams of technicians to ensure aircraft are maintained safely, efficiently, and in compliance with FAA regulations, technical publications and company procedures.
The Supervisor serves as the link between frontline maintenance execution and the Maintenance Manager. While the Maintenance Manager establishes departmental policies, resources, and long-term planning, the Line Maintenance Supervisor ensures these directives are carried out effectively at the shift and task level.
Role And Responsibilities- Leadership & Oversight
- Supervise and direct Maintenance Leads, providing clear priorities, guidance, and support.
- Ensure Leads effectively manage their assigned technicians and work packages.
- Conduct shift briefings, communicate assignments, and enforce safety and compliance expectations.
- Manages personnel scheduling and time off.
- Operational Execution
- Monitor daily line maintenance activities, including scheduled, unscheduled, and troubleshooting tasks.
- Ensure timely completion of work to support flight schedules and minimize aircraft downtime.
- Verify accuracy of logbook entries, sign-offs, and documentation in accordance with FAA regulations and company GMM.
- Coordination & Communication
- Act as the primary point of contact between Maintenance Leads and the Maintenance Manager.
- Escalate issues such as resource shortages, deferred maintenance items, or major discrepancies to the Manager for resolution.
- Coordinate daily requirements with Maintenance Control, Quality Assurance, and Supply Chain to align resources with operational needs.
- Safety & Compliance
- Enforce Metrea’s Safety Management System (SMS), FAA regulatory compliance, and workplace standards.
- Ensure Leads and technicians maintain proper use of tools, calibrated equipment, and protective gear.
- Report hazards, incidents, and irregularities promptly, and support corrective action implementation.
- Team Development
- Mentor and coach Maintenance Leads to build leadership skills and technical knowledge.
- Provide feedback to the Maintenance Manager on Lead and technician performance to support evaluations and career development.
- Support on-the-job training and technical development initiatives.
- High School Diploma or Equivalent.
- FAA Airframe & Powerplant (A&P) Certificate.
- Minimum 3 years of aircraft maintenance experience on turbine-powered aircraft (KC-135 or similar platform preferred).
- Proven leadership experience as a Lead Mechanic, Crew Chief, or equivalent.
- St…
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