Job Description
About the Company Metrea is a defence 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 the Aerospace, Electromagnetic & Cyber and 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 the specific capabilities that Metrea's files (products, projects, programmes and so on) leverage to achieve their targets. Air Mobility Group (AIRMOB) is responsible for developing and delivering Metrea's aerial refuelling (AAR) capabilities, ensuring the readiness and operational effectiveness of the tanker fleet. AIRMOB oversees fleet management, maintenance and airworthiness, working to sustain and enhance refuelling 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 teams, AIRMOB ensures the fleet meets both current and future operational needs, supporting a range of specialised air mobility missions. Role Overview 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. The Line Maintenance Supervisor provides direct, hands-on leadership for daily maintenance operations on AIRMOB KC-135R, C-135FR and KC-135RG aircraft. The 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 shift and task level. Key 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. Manage 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 minimise aircraft downtime. Verify the accuracy of logbook entries, sign-offs and documentation in accordance with FAA regulations and the 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. Requirements High school diploma or equivalent. Strong knowledge of aircraft manuals (USAF TO System, CMM, AMM, FIM, IPC, WDM, SRM) and FAA documentation standards. Ability to lead teams in high-tempo, international operational environments. U.S. citizenship, with the ability to obtain a security clearance and passport. Licences & Qualifications FAA Airframe & Powerplant (A&P) Certificate. Experience 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. Prior experience supervising legacy tanker fleets (KC-135, C-135 or similar) - additional eligibility qualification. Familiarity with FL3XX, AMOS, Baldwin Safety, Monday.com, reliability programmes and continuing analysis/surveillance systems. What We Offer Medical insurance options Dental and vision insurance Retirement plan eligibility Parental leave Additional Information Work authorisation / security clearance: employees must be U.S. citizens. Must be able to obtain and maintain a US passport and qualify for an Indian visa. A Secret security clearance, or the ability to obtain one within one year of the employment start date, is preferred but not required. Employees must be able to obtain and maintain airport security badging requirements. Position type and hours: full-time non-exempt position with typical working hours Monday through Friday, 6:30 a.m. to 3:30 p.m. Hours and work shifts may change in accordance with department and business needs. Exempt employees must have the ability to be on-call and available as business needs require; non-exempt employees may be required to work over 40 hours per week with approval from the department manager. Work location: Moreno Valley, CA (March Inland Port Airport, KRIV) - Metrea Strategic Mobility, 17301 Heacock Street, Moreno Valley, CA 92551. Work environment: the job operates in an office setting as well as in industrial areas, including on aircraft, on the active flightline, within warehouse areas, in back-shop industrial areas, indoors and outdoors. The position is subject to high-decibel noise as well as exposure to chemicals and dangerous operations associated with aircraft maintenance. Daily physical activities include walking, lifting, reaching overhead and standing for long periods. Travel: travel requirements may be up to 50%, with 45 consecutive days working in India as operations require. Culture: Metrea's single core value, "rooted in humility", is supported by four key attributes: entrepreneurial, systematic, discerning and over-deliver. Combined, these attributes form the Teammate Firmware, Metrea's culture, which is explored during the hiring process and continually supported as the teams grow. Metrea is a hyper-collaborative, dynamically hierarchical organisation united by a passion for what it does, how it does it, who it does it with and who it does it for.
Requirements
- 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.
- Manage personnel scheduling and time off.
- Monitor daily line maintenance activities, including scheduled, unscheduled and troubleshooting tasks.
- Ensure timely completion of work to support flight schedules and minimise aircraft downtime.
- Verify the accuracy of logbook entries, sign-offs and documentation in accordance with FAA regulations and the company GMM.
- 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.
- 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.
- 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.
- Strong knowledge of aircraft manuals (USAF TO System, CMM, AMM, FIM, IPC, WDM, SRM) and FAA documentation standards.
- Ability to lead teams in high-tempo, international operational environments.
- U.S. citizenship, with the ability to obtain a security clearance and passport.
- 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.
- Prior experience supervising legacy tanker fleets (KC-135, C-135 or similar) - additional eligibility qualification.
- Familiarity with FL3XX, AMOS, Baldwin Safety, Monday.com, reliability programmes and continuing analysis/surveillance systems.
Benefits
- Medical insurance options
- Dental and vision insurance