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Willis Aviation

Leases and maintains commercial aircraft engines

Technical Estimator - Technical Services / Planning

Full-Time
No salary listed
Mid
Darlington, UK
In Person
Aerospace EngineeringAviation Operations & Aircraft Maintenance

About the job

Requirements
  • Previous experience in aircraft maintenance estimating, planning, or a similar commercial or technical role.
  • Experience working within an aircraft maintenance environment.
  • Ability to interpret aircraft maintenance documentation and technical information.
  • Previous planning experience within a Part-145 and/or Part-M/CAMO environment.
  • Knowledge of continuing airworthiness records systems such as AMOS, OASES, or Tracking Plus.
  • Technical records experience.
  • Technical knowledge representative of B737 and/or A320 family aircraft.
  • Knowledge of HF, EWIS, and FTS.
  • Ability to manage multiple quotations and work to deadlines.
  • Ability to build strong relationships and work effectively with internal and external stakeholders.
Responsibilities
  • Review customer work packs, maintenance inputs, inspection findings, engineering instructions, and associated technical documentation.
  • Develop detailed quotations for scheduled and unscheduled maintenance, inspections, rectification, modification, and applicable component-related activities.
  • Estimate labour hours based on task complexity, aircraft configuration, access requirements, maintenance procedures, and previous organisational experience.
  • Identify required manpower disciplines, including mechanical, electrical or avionics, structures, and other specialist skills.
  • Identify requirements for external specialist services, subcontractors, non-destructive testing, machining, specialist repairs, and other third-party support.
  • Liaise with Production, Planning, Stores, and Procurement teams to validate estimates and quotations.
  • Create, maintain, and continuously improve the company’s quotation and estimating model.
  • Establish and maintain a structured database of historical quotations, actual labour performance, material costs, and completed work.
  • Develop standard estimating rates, labour standards, and task-duration assumptions for recurring maintenance activities.
  • Compare quoted hours and costs against actual maintenance performance and identify estimating variances.
  • Use technical knowledge and analytical skills to improve the accuracy and effectiveness of the estimating process.
Desired Qualifications
  • Strong analytical and problem-solving skills.
  • Excellent attention to detail and a methodical approach.
  • Strong planning and organisational skills.
  • Excellent written and verbal communication skills.

About the company

Willis Aviation leases commercial aircraft engines worldwide to airlines, OEMs and MROs. It offers short- and long-term engine leases and pooling programs to provide various benefits. The company also provides asset management, engine/aircraft trading, end-of-life solutions, and related support through Willis entities. Its services include Part 145 maintenance, line and base maintenance, disassembly, storage, and airport/ground handling with 24/7 AOG response, aiming to give customers a competitive edge through a broad, integrated engine leasing and service ecosystem.

Company Size

201-500

Company Stage

IPO

Headquarters

Coconut Creek, Florida

Founded

1985

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Simplify's Take

What believers are saying

  • January 2026 Willis Aviation Capital adds fee income from third-party engine and asset management.
  • February 2026 Willis Module Shop and CFM partnership deepen higher-margin engine services.
  • August 2026 Malaysia repair-center expansion extends aftersales reach beyond Teesside and the UK.

What critics are saying

  • Jet2 line-maintenance concentration exposes 2025 revenues to airline scheduling and fleet changes.
  • Heavy maintenance demand depends on scarce hangar utilization; Teesside expansions need rapid fill-up.
  • WLFC leverage from May 2026 convertible notes pressures returns if aircraft values soften.

What makes Willis Aviation unique

  • Teesside, Bridgend, and Coconut Creek give Willis Aviation Services dual-release maintenance coverage.
  • October 2025 hangars and April 2025 expansion created narrowbody MRO capacity fast.
  • WLFC ownership links aircraft leasing, engine repair, and asset management under one platform.

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Benefits

Flexible Work Hours

Paid Vacation

Paid Holidays

Wellness Program

Commuter Benefits

Employee Discounts

Employee Referral Bonus

Performance Bonus

Company News

Lake Oconee Breeze
Sep 22nd, 2026
Willis Lease Finance secures $35M preferred stock investment from Development Bank of Japan

Willis Lease Finance Corporation has entered into a $35 million preferred stock purchase agreement with the Development Bank of Japan Inc. The deal, signed on 16 September 2026, involves 1,750,000 shares of the company's 8.09% Series B Preferred Stock. The investment will support WLFC's global expansion, including plans for a new Willis Engine Repair Center in Johor, Malaysia. Scott B. Flaherty, executive vice president and chief financial officer, said the company is delighted to continue growing its partnership with DBJ, which began nearly 10 years ago. This builds on a 2024 agreement in which DBJ refinanced and expanded WLFC's preferred stock from $50 million to $65 million. WLFC leases commercial aircraft engines and provides aviation services worldwide.

Yahoo Finance
Sep 19th, 2026
Willis Lease Finance adds 13 engines and 12 aircraft to fleet despite Q2 revenue dip

Willis Lease Finance Corp. has acquired 13 aircraft engines and 12 commercial aircraft to expand its aviation asset holdings. CEO Austin C. Willis described the acquisitions as a compelling opportunity to allocate capital towards assets aligned with existing operations, emphasising disciplined growth and long-term value creation. However, the company's second quarter results revealed challenges. Despite a 6.7% increase in lease rent revenue, total revenue declined 0.8% to $194 million, driven by a 30.2% drop in spare parts and equipment sales. Net income attributable to common shareholders fell 51.2% to $28.7 million, whilst diluted earnings per share decreased from $2.81 to $1.31. Institutional interest increased significantly, with hedge fund positions rising from 11 to 27 in the second quarter. Short interest of 9.13% indicates moderate bearish sentiment.

Yahoo Finance
Aug 27th, 2026
Willis Lease Finance expands global maintenance with new engine repair centre in Malaysia

Willis Lease Finance Corporation is expanding its global maintenance services with a new engine repair facility in Johor, Malaysia. The aviation lessor has purchased land to build its third Willis Engine Repair Center, alongside existing facilities in Florida and Wales. The Malaysian facility will provide maintenance, repair, and storage services for the company's engine portfolio and third-party assets. Construction is expected to complete in the first quarter of 2027. Chief executive officer Austin C. Willis said the expansion strengthens the company's presence in Asia-Pacific, one of aviation's fastest-growing markets. Malaysia's strategic location, skilled workforce, and logistics infrastructure make it well-suited for the operation. Willis Lease has partnered with South Alliance Sdn. Bhd. on the land purchase and development.

Yahoo Finance
Aug 4th, 2026
Willis Lease increases assets under management 21% to $4.4B, shifts strategy to M&A and SPV deals

Willis Lease Finance Corporation reported a 21% year-over-year increase in assets under management to $4.4 billion in Q2 2026, driven by new discretionary fund seeding. Modern engine platforms now comprise 60% of the portfolio by net book value, reflecting a strategic shift towards fuel-efficient technology. The company recognised a $5.4 million loss on debt extinguishment related to capital restructuring and the issuance of $200 million in convertible senior notes. A 3-for-1 stock split was implemented in July 2026 to enhance equity liquidity. Management noted reduced short-term maintenance reserve revenue as customers flew fewer hours on older, less fuel-efficient platforms during elevated fuel pricing periods. The company signed a major engine storage agreement with Pratt & Whitney and expects balanced growth between its balance sheet and Willis Aviation Capital moving forward.

Yahoo Finance
Aug 1st, 2026
Willis Lease Finance signs 5-year Pratt & Whitney engine storage deal

Willis Lease Finance has signed a five-year storage agreement with Pratt & Whitney covering engine storage and lease return services. The deal expands the company's aviation aftermarket capabilities and utilises its Coconut Creek and Bridgend facilities. The contract covers several widely used commercial engine families, positioning Willis Lease Finance alongside major aerospace groups such as General Electric and Rolls-Royce in engine services. The agreement enables the company to monetise existing infrastructure through contract-based work rather than relying solely on engine leasing. The stock currently trades at $71.33, up 59.6% year to date. Earnings grew 16.4% over the past year. The company trades at a P/E of 13x, below the US market P/E of 19.3x.