Core Structures Lifing, Senior Principal Engineer (Onsite)
$132.4k - $251.6kRaytheon Co
Job ID: 01855759Posted: Posted 30+ Days AgoStart Date: 2026-06-29Location: US-CT-EAST HARTFORD-ETC ~ 400 Main St ~ BLDG ETCCountry: United States of AmericaTime Type: Full timeDate Posted:2026-06-29 Country:United States of America Location:US-CT-EAST HARTFORD-ETC ~ 400 Main St ~ BLDG ETC Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements:U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract. Security Clearance Type: None/Not Required Security Clearance Status: Not RequiredAt RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power systems and has been revolutionizing modern flight for over 100 years. Join us and help shape the future of aerospace and defense.What You Will Do:Develop, deploy, and support world‑class lifing systems and structural analysis tools that enable safe, reliable engine designs.Lead analysis, research, and specification development across metallic, composite, and non‑metallic structural materials used in engine design and operation.Perform and guide advanced structural evaluations including damage tolerance, durability, design allowables, dynamics & loads, stress fatigue, thermal analysis, and fracture mechanics.Provide expert vibration, aeromechanics, fatigue, fracture, probabilistic, and HCF capability guidance to internal teams and external customers.Lead pre‑ and post‑test data processing, interpret results, and drive technical recommendations.Develop and implement new structural engineering methods, tools, and process improvements with measurable impact on engineering quality and efficiency.Direct moderately to large projects or workstreams requiring deep cross‑functional integration.Serve as a technical authority, mentor, and reviewer for early career engineers, ensuring adherence to high analytical and documentation standards.Represent the organization in technical discussions with customers, vendors, and executive leadership.Contribute significantly to engineering standard work, best practices, training materials, and continuous improvement (CORE/AS9100) activities.What You Will Learn:Advanced OEM‑level lifing and structural integrity methodologies across multiple disciplines.How to influence cross‑functional engineering strategies with short‑ and medium‑term organizational impact.Development of structural engineering processes that shape product capability and reliability.Leadership skills for guiding complex investigations, large work packages, and multi‑team technical integrations.Best practices for executive‑level communication, risk articulation, and decision framing.Qualifications You Must Have:Bachelor’s degree in Aerospace, Mechanical, Materials, or related engineering discipline and 10+ years of relevant experience; OR Advanced degree and 7+ years of experience.US Citizenship (required due to government programs).Recognized ability to make technically sound, well‑reasoned engineering decisions and clearly communicate their rationale.Demonstrated motivation, initiative, and ownership of complex engineering tasks requiring broad technical integration.Proven ability to operate independently, setting direction for analyses, tools, and workflows with minimal oversight.Demonstrated capability to manage and lead multiple priorities, projects, and technical teams simultaneously while maintaining high quality and clarity.Ability to solve complex, undefined problems through deep investigation, conceptual reasoning, and synthesis of best practices.Qualifications We Prefer:Considered a subject‑matter expert in fatigue, fracture mechanics, dynamics, aeromechanics, or structural lifing methods.Experience developing new structural analysis tools or processes with enterprise‑wide impact.Strong proficiency in ANSYS or similar FEA tools, and scripting experience (Python/MATLAB) for automation or tool development.Experience leading large cross‑functional engineering efforts or customer‑facing technical engagements.Ability to mentor and coach a variety of engineering teams and establish high standards for technical rigor.Demonstrated success improving or reinventing engineering processes, standard work, or methodologies.What We Offer:· Relocation Package· Benefits Learn More & Apply Now!What Is My Role Type: In addition to transforming the future of flight, we are also transforming how and where we work. We’ve introduced role types to help you understand how you will operate in our blended work environment.This role is:Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance workers, as they are essential to the development of our engines.Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms:Click on this link to read the Policy and Terms
$132.4k - $251.6k
...Position Role Type:Onsite U.S. Citizen, U.S... ...of aircraft engines and auxiliary power... ...Whitney is seeking a Senior Principal Engineer for the Military... ...and execution of core airworthiness... ..., dental, vision, life insurance, short-term... ...appropriate pay structure and benefits will...StructuresSeniorTemporary workWork experience placementWork at officeRemote workRelocationFlexible hours$86.8k - $165.2k
...BLDG ETC Position Role Type:Onsite U.S. Citizen, U.S. Person, or... ...and service of aircraft engines and auxiliary power systems and... ...defense.What You Will Do:Perform structural analysis in low cycle fatigue... ...of structural analysis and lifing tools, including opportunities...StructuresSeniorContract workTemporary workWork experience placementWork at officeRemote workRelocationFlexible hours$132.4k - $251.6k
...Position Role Type:Onsite U.S. Citizen, U.S... ...of aircraft engines and auxiliary power... ...seeking an experienced Senior Principal Mechanical... ...including project, structures, durability, aero-... ...weight, and part life.Work with our Customer... ...standard work and CORE/ACE tools to continuously...StructuresSeniorTemporary workWork experience placementRemote workFlexible hours$132.4k - $251.6k
...and service of aircraft engines and auxiliary power... ...looking for a visionary Senior Principal Transmissions Engineer... ...This position is work onsite at our East Hartford,... ...Engineering, Mechanical Design, Structural Analysis, Product... ..., dental, vision, life insurance, short-term...StructuresSeniorTemporary workWork experience placementWork at officeRemote workRelocationFlexible hours$132.4k - $251.6k
...ETC Position Role Type:Onsite U.S. Citizen, U.S.... ...and service of aircraft engines and auxiliary power systems... ...engine product life cycle.The Diagnostics,... ...Expertise with Python and core data science/modeling libraries... ..., the appropriate pay structure and benefits will apply...StructuresSeniorPermanent employmentTemporary workWork experience placementWork at officeRemote workFlexible hours$107.5k - $204.5k
...ETC Position Role Type:Onsite U.S. Citizen, U.S.... ...and service of aircraft engines and auxiliary power systems... ...as a design/structures engineer for composite... ...base of engines and apply CORE (Customer Oriented Results... ...medical, dental, vision, life insurance, short-term disability...StructuresTemporary workWork experience placementWork at officeRemote workFlexible hours$132.4k - $251.6k
...ETC Position Role Type:Onsite U.S. Citizen, U.S.... ...and service of aircraft engines and auxiliary power... ...Integration (EDSI) is seeking a Senior Principal Systems Engineer, with... ..., dental, vision, life insurance, short-term... ..., the appropriate pay structure and benefits will...StructuresSeniorTemporary workWork experience placementWork at officeRemote workFlexible hours$107.5k - $204.5k
...BLDG ETC Position Role Type:Onsite U.S. Citizen, U.S. Person, or... ...manufacture and service of aircraft engines and auxiliary power systems... ...of advanced engine life system for the F135Manage implementation... ..., the appropriate pay structure and benefits will apply.RTX anticipates...StructuresContract workTemporary workWork experience placementWork at officeRemote workFlexible hours$107.5k - $204.5k
...BLDG ETC Position Role Type:Onsite U.S. Citizen, U.S. Person, or... ...and service of aircraft engines and auxiliary power systems and... ...and Chief Engineers office, Structures, and Performance Analysis groups... ...to, medical, dental, vision, life insurance, short-term disability...StructuresTemporary workWork experience placementWork at officeRemote workFlexible hoursNight shift$107.5k - $204.5k
...BLDG ETC Position Role Type:Onsite U.S. Citizen, U.S. Person, or... ...and service of aircraft engines and auxiliary power systems and... ...Engineering, Mechanical Design, Structural Analysis, Durability and... ...to, medical, dental, vision, life insurance, short-term disability...StructuresContract workTemporary workWork experience placementWork at officeRemote workFlexible hours$107.5k - $204.5k
...OBF2 Position Role Type:Onsite U.S. Citizen, U.S.... ...and service of aircraft engines and auxiliary power systems... ....We're seeking a Principal Field Service Engineer... ...medical, dental, vision, life insurance, short-term disability... ..., the appropriate pay structure and benefits will apply...StructuresContract workTemporary workWork experience placementWork at officeRemote workRelocationFlexible hours$132.4k - $251.6k
...Position Role Type:Onsite U.S. Citizen, U.S.... ...service of aircraft engines and auxiliary power... ...is seeking a Senior Manager, Data Issue... ...Assurance Team serves as a core flight safety... ...medical, dental, vision, life insurance, short-... ...appropriate pay structure and benefits will apply...StructuresSeniorContract workTemporary workWork experience placementWork at officeRemote workFlexible hours$107.5k - $204.5k
...BLDG ETC Position Role Type:Onsite U.S. Citizen, U.S. Person, or... ...and service of aircraft engines and auxiliary power systems and... ...Will Do :Responsible for the structural assessments of repairs to commercial... ...and fracture mechanics lifing systems: PWLIFE, ARLS, or crack...StructuresPermanent employmentTemporary workWork experience placementWork at officeRemote workFlexible hours$86.8k - $165.2k
...BLDG ETC Position Role Type:Onsite U.S. Citizen, U.S. Person, or... ...manufacture and service of aircraft engines and auxiliary power systems... ...to, medical, dental, vision, life insurance, short-term... ...territory, the appropriate pay structure and benefits will apply.RTX anticipates...StructuresContract workTemporary workWork experience placementRemote workFlexible hours$86.8k - $165.2k
...ETC Position Role Type:Onsite U.S. Citizen, U.S.... ...and service of aircraft engines and auxiliary power... ...Whitney is looking for a Senior Structures Engineer to support... ...all phases of product life cycle including preliminary... ...to validate FEA.Lean, CORE, or Six Sigma training...StructuresSeniorTemporary workWork experience placementWork at officeRemote workRelocationFlexible hours$107.5k - $204.5k
...manufacture and service of aircraft engines and auxiliary power systems... ...environment. This role is:Onsite: Employees who are working in... ...to, medical, dental, vision, life insurance, short-term disability... ...territory, the appropriate pay structure and benefits will apply.RTX anticipates...StructuresContract workTemporary workWork experience placementWork at officeRemote workFlexible hours$86.8k - $165.2k
...Position Role Type:Onsite U.S. Citizen, U.S... ...of aircraft engines and auxiliary power... ...Whitney is seeking a Senior Project Engineer with... ...F135 Engine Core Upgrade (ECU) Mechanical... ...Design, Structural Analysis, Product... ..., dental, vision, life insurance, short-term...StructuresSeniorContract workTemporary workWork experience placementWork at officeRemote workFlexible hours$86.8k - $165.2k
...Position Role Type:Onsite U.S. Citizen, U.S... ...of aircraft engines and auxiliary power... ...is looking for a Senior Project Engineer who... ...Results and Excellence (CORE), Quality Control... ...Design, Structural Analysis, and Product... ..., dental, vision, life insurance, short-term...StructuresSeniorContract workTemporary workWork experience placementRemote workFlexible hours$107.5k - $204.5k
...BLDG ETC Position Role Type:Onsite U.S. Citizen, U.S. Person, or... ...manufacture and service of aircraft engines and auxiliary power systems... ...to, medical, dental, vision, life insurance, short-term... ...territory, the appropriate pay structure and benefits will apply.RTX anticipates...StructuresTemporary workWork experience placementWork at officeRemote workFlexible hours$107.5k - $204.5k
...ETC Position Role Type:Onsite U.S. Citizen, U.S.... ...and service of aircraft engines and auxiliary power... ...Whitney is seeking a Principal Design Engineer - Mechanical... ..., Mechanical Design, Structural Analysis, Product... ...medical, dental, vision, life insurance, short-term...StructuresContract workTemporary workWork experience placementWork at officeRemote workRelocationFlexible hours$132.4k - $251.6k
...BLDG OBG Position Role Type:Onsite U.S. Citizen, U.S. Person, or... ...and service of aircraft engines and auxiliary power systems and... ...expert in aftermarket product structures, identifying relevance to customers... ...to, medical, dental, vision, life insurance, short-term...StructuresSeniorPermanent employmentTemporary workWork experience placementWork at officeRemote workFlexible hours$86.8k - $165.2k
...ETC Position Role Type:Onsite U.S. Citizen, U.S.... ...and service of aircraft engines and auxiliary power systems... ..., and results driven Senior Engineer to join the Engine... ..., dental, vision, life insurance, short-term disability... ..., the appropriate pay structure and benefits will apply...StructuresSeniorTemporary workWork experience placementWork at officeRemote workFlexible hours$132.4k - $251.6k
...ETC Position Role Type:Onsite U.S. Citizen, U.S.... ...and service of aircraft engines and auxiliary power systems... ...for a Military Engines Senior Finance Manager to... ...medical, dental, vision, life insurance, short-term disability... ..., the appropriate pay structure and benefits will apply...StructuresSeniorContract workTemporary workWork experience placementWork at officeRemote workFlexible hours$86.8k - $165.2k
...BLDG ETC Position Role Type:Onsite U.S. Citizen, U.S. Person, or... ...manufacture and service of aircraft engines and auxiliary power systems... ...to, medical, dental, vision, life insurance, short-term... ...territory, the appropriate pay structure and benefits will apply.RTX anticipates...StructuresSeniorContract workTemporary workWork experience placementRemote workFlexible hours$132.4k - $251.6k
...and service of aircraft engines and auxiliary power... ...environment to support our Core Manufacturing... ...position is classified as:Onsite: Employees who are working... ...medical, dental, vision, life insurance, short-term disability... ..., the appropriate pay structure and benefits will apply...StructuresContract workTemporary workWork experience placementWork at officeRemote workFlexible hours$107.5k - $204.5k
...manufacture and service of aircraft engines and auxiliary power systems... ...position is classified as:Onsite: Employees who are working in... ...to, medical, dental, vision, life insurance, short-term disability... ...territory, the appropriate pay structure and benefits will apply.RTX anticipates...StructuresContract workTemporary workWork experience placementWork at officeRemote workFlexible hours$107.5k - $204.5k
...in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite... ...not limited to, medical, dental, vision, life insurance, short-term disability, long-term... ...in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates...StructuresPermanent employmentTemporary workWork experience placementWork at officeRemote workFlexible hours$132.4k - $251.6k
...ETC Position Role Type:Onsite U.S. Citizen, U.S.... ...and service of aircraft engines and auxiliary power systems... ....Communication: Brief Senior Leadership and secure... ...and F135 organizational structure, responsibilities amongst... ..., dental, vision, life insurance, short-term disability...StructuresSeniorContract workTemporary workWork experience placementWork at officeRemote workFlexible hours$86.8k - $165.2k
...Main St ~ BLDG ENG Position Role Type:Onsite U.S. Citizen, U.S. Person, or... ...flight—designing, building and servicing engines unlike any the world has ever seen. And... ...sector creation to support Aero and Structures analysis of life, QNs, and Redesign proposals.Support...StructuresSeniorContract workTemporary workWork experience placementWork at officeRemote workFlexible hours$86.8k - $165.2k
...BLDG ETC Position Role Type:Onsite U.S. Citizen, U.S. Person, or... ...and service of aircraft engines and auxiliary power systems and... ...Engineering, Mechanical Design, Structural Analysis, and Product... ...to, medical, dental, vision, life insurance, short-term disability...StructuresSeniorContract workTemporary workWork experience placementWork at officeRemote workFlexible hours
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