Supervisor — Line Maintenance

Lead the shift that keeps aircraft moving safely 

City, State: Phoenix, AZ
Salary range: $90,094 - $119,583
Posting closes: October 16, 2026

As a Supervisor — Line Maintenance, you’ll provide shift-level oversight for aircraft maintenance activity at your assigned Frontier maintenance station.   

You’ll set maintenance priorities, direct the work of maintenance personnel, monitor aircraft status and coordinate across Maintenance Control, Planning and other operational teams to help ensure work is completed safely, accurately and on schedule.   

This role provides leadership and direction to maintenance personnel during assigned shifts but may not have formal direct reports.   

What you’ll lead   

Keep maintenance safe, compliant and on schedule   

• Set work priorities for the shift and monitor maintenance activity to support safe, high-quality aircraft operations. 
• Supervise maintenance performed by Frontier maintenance personnel on company and contract aircraft. 
• Provide timely and accurate updates on aircraft status. 
• Ensure maintenance activity follows Frontier maintenance manuals, approved procedures, company policies and applicable regulatory requirements. 
• Perform required shift turnover in accordance with GMM 10.09. 
• Take action to remove inoperative equipment from service, ensure proper tagging and initiate repair or replacement. 
• Ensure airport and aircraft security requirements are followed and report actual or potential violations as required. 
• Follow approved published procedures at all times unless an authorized deviation has been issued. 

Direct people, priorities and performance   

• Lead and motivate maintenance personnel in a professional and positive manner. 
• Plan, organize and direct workloads across assigned maintenance personnel. 
• Establish job standards and monitor productivity, safety practices and workmanship. 
• Review and evaluate maintenance performance and administer corrective action when necessary. 
• Ensure department personnel, including yourself, remain properly trained, qualified and current to perform assigned tasks. 
• Support departmental policies, budgets and performance commitments. 
• Identify opportunities to improve maintenance operations and communicate recommendations to management. 

  Protect the accuracy of maintenance records   

• Monitor aircraft records completed during RON and line maintenance, including logbook pages, work cards, non-routines and applicable engineering documents. 
• Audit completed maintenance records for accuracy and completeness. 
• Ensure required work documents and records are completed accurately. 
• Make FMIS entries as required. 

 Keep tools, equipment and resources ready   

• Ensure maintenance tools and equipment meet applicable safety requirements and manufacturer specifications. 
• Conduct lost and found tool investigations and complete required reports. 
• Support monthly and quarterly shelf-life audits at maintenance stations, as applicable. 
• Perform assigned computer and administrative functions. 

 Support Frontier’s Safety Management System   

• Manage, monitor and coordinate assigned SMS activities. 
• Support the development, implementation, maintenance and integration of SMS throughout Frontier. 
• Identify hazards and participate in safety risk assessments, including change management. 
• Monitor the effectiveness of safety risk controls. 
• Promote safety throughout maintenance operations. 
• Advise the accountable executive on SMS performance and opportunities for improvement as directed. 
• Maintain accountability for safety performance related to assigned responsibilities. 
• Manage risk to an acceptable level of green or lower, as defined by Frontier’s company risk matrix. 

What you’ll bring 

Required qualifications   

• FAA-certificated Mechanic with Airframe and Powerplant ratings. 
• Three years of previous line maintenance experience. 
• Previous supervisory, lead, workforce-direction or other leadership experience. 
• Excellent working knowledge of maintenance policies and procedures. 
• Ability to prioritize multiple responsibilities in a demanding operational environment. 
• Ability to communicate calmly, clearly and professionally. 
• Ability to lead and motivate maintenance personnel. 
• General computer and administrative skills. 
• Ability to plan, organize and direct workloads across assigned maintenance personnel. 

Leadership scope
This role provides shift-level direction and oversight to line maintenance personnel. Supervisory responsibility may include directing work and evaluating maintenance performance without having formal direct reports.   

This role includes:   

• A varying work schedule, including an expectation of at least one week of graveyard shift per month. 
• The potential to work more than 40 hours per week. 
• Elevated noise levels. 
• Use of maintenance equipment and tooling. 
• Generally limited physical effort. 

Support for work, life and travel 

Frontier offers benefits, programs and travel privileges designed to support eligible employees at work and beyond. Availability may vary by role, employment status, eligibility, location, schedule, applicable policies and current plan details. 

Depending on role and eligibility, available benefits and programs may include: 

• Medical, dental and vision coverage 
• 401(k) retirement savings options 
• Paid holidays, vacation time and sick time 
• Travel privileges on Frontier Airlines and participating partner airlines, based on current program rules and availability 
• Buddy passes, based on eligibility and program rules 
• Travel-related discounts and employee discounts on select products, services and vendors 
• Employee support programs and resources, including the HOPE League, Frontier Airlines’ nonprofit organization 

Working at Frontier Airlines 

At Frontier Airlines, our mission is to Make Every Flight Count. Whether you support flights, customers, aircraft or the teams behind the operation, your work helps deliver a safe, reliable and value-focused travel experience. 

Our work is guided by four core values: customer first, safety always, operational excellence and one team. 

About Frontier Airlines 

Frontier Airlines is a Denver-based airline serving destinations across the United States and select international markets. Our teams span flight crews, airport operations, aircraft maintenance, customer support, corporate functions and more. 

We focus on making travel accessible, practical and easy to personalize while supporting a safe, reliable and efficient airline operation. 

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