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Jobs at Quest Defense (Now Hiring) — 24 open

Quest Defense logoQuest Defense

Mechanical Design Analysis Engineer - Externals

Cincinnati, Ohio, United States · On-site

$78k–$88k/yr

Mid level

We’re engineering the future of aerospace and defense. If you thrive on tackling complex challenges and delivering solutions where precision and reliability are non-negotiable, we want you on our team. Here, your experti…

Skills: FEA Analysis, ANSYS, Fluid Mechanics, Thermodynamics, Structural Analysis

Quest Defense logoQuest Defense

Mechanical Design Analysis Engineer - Externals

Cincinnati, Ohio, United States · On-site

$78k–$88k/yr

Mid level

We’re engineering the future of aerospace and defense. If you thrive on tackling complex challenges and delivering solutions where precision and reliability are non-negotiable, we want you on our team. Here, your experti…

Skills: FEA Analysis, ANSYS, Fluid Mechanics, Thermodynamics, Structural Analysis

Quest Defense logoQuest Defense

Validation Engineer Product Definition

Marietta, Georgia, United States · On-site

$121k–$126k/yr

Senior

We are seeking a Validation Engineer - Product Definition to support the development of aerospace structures, engine controls, gas turbine components, and Model-Based Definition (MBD) initiatives. In this role, you will …

Skills: Siemens NX, Catia V5, 3DExperience, GD&T, Model-Based Definition

Quest Defense logoQuest Defense

Master Digital Tooling Engineer

Marietta, Georgia, United States · On-site

$116k–$121k/yr

Senior

The Master Digital Tooling Engineer is responsible for designing, developing, upgrading, and sustaining production tooling, assembly jigs, fixtures, gauges, and installation aids that support aircraft build‑up, section a…

Skills: Catia V5, 3DExperience, Siemens NX, Tooling Design, Aircraft Assembly

Quest Defense logoQuest Defense

Product Definition Engineer- Mid Level

Marietta, Georgia, United States · On-site

$116k–$121k/yr

Senior

We are seeking a Product Definition Engineer to support the development of aerospace structures, engine controls, gas turbine components, and Model-Based Definition (MBD) initiatives. In this role, you will work closely …

Skills: Siemens NX, Catia V5, 3DExperience, GD&T, Model-Based Definition

Quest Defense logoQuest Defense

Senior Embedded Software Engineer

Cedar Rapids, Iowa, United States · Remote OK

$140k–$165k/yr

Senior+

Engineers are the reason we exist—they’re the core of who we are. We don’t just build technology; we engineer the future. From next-gen aerospace to cutting-edge defense systems, our teams power the solutions that drive …

Skills: C++, Object-Oriented Design, Embedded Software Development, DO-178 DAL A, ARINC-653

Quest Defense logoQuest Defense

Senior Embedded Software Engineer

Remote OK

$140k–$165k/yr

Senior+

Engineers are the reason we exist—they’re the core of who we are. We don’t just build technology; we engineer the future. From next-gen aerospace to cutting-edge defense systems, our teams power the solutions that drive …

Skills: C++, Object-Oriented Design, Embedded Software Development, DO-178 DAL A, ARINC-653

Quest Defense logoQuest Defense

Embedded Software Engineer

Cedar Rapids, Iowa, United States · Remote OK

$130k–$145k/yr

Mid level

Engineers are the reason we exist—they’re the core of who we are. We don’t just build technology; we engineer the future. From next-gen aerospace to cutting-edge defense systems, our teams power the solutions that drive …

Skills: C++, Object-Oriented Design, Embedded Software Development, DO-178 DAL A, ARINC-653

Quest Defense logoQuest Defense

Embedded Software Engineer

Remote OK

$130k–$145k/yr

Mid level

Engineers are the reason we exist—they’re the core of who we are. We don’t just build technology; we engineer the future. From next-gen aerospace to cutting-edge defense systems, our teams power the solutions that drive …

Skills: C++, Object-Oriented Design, Embedded Software Development, DO-178 DAL A, ARINC-653

Quest Defense logoQuest Defense

Fellow System Safety Engineer

Tucson, Arizona, United States · On-site

$85/hr–$90/hr

Senior+

Immediately hiring engineers who want to contribute to mission-critical systems that demand precision, accountability, and technical excellence. Success here means solving real problems that keep complex systems moving f…

Skills: System Safety Engineering, MIL-STD-882E, Hazard Analysis, Risk Mitigation, Technical Leadership

Quest Defense logoQuest Defense

Senior System Safety Engineer

Tucson, Arizona, United States · On-site

$58/hr–$63/hr

Senior

We are seeking a Senior System Safety Engineer to lead system safety activities supporting complex defense programs throughout the full product lifecycle. In this role, you will evaluate system designs, identify and miti…

Skills: System Safety Analysis, MIL-STD-882E, Hazard Analysis, Risk Mitigation, Technical Writing

Quest Defense logoQuest Defense

Mechanical Design Engineer-Externals (Secret Clearance)

Cincinnati, Ohio, United States · On-site

$80k–$94k/yr

Mid level

We don’t just build technology—we engineer the future. From next-gen aerospace to cutting-edge defense systems, we tackle the toughest, mission-critical challenges that keep people safe and push the limits of innovation.…

Skills: Mechanical Design Engineering, Aircraft Engine Externals Design, Fluid Mechanics, Thermodynamics, Structural Analysis

Quest Defense logoQuest Defense

Mechanical Design Engineer-Externals (Secret Clearance)

Cincinnati, Ohio, United States · On-site

$78k–$88k/yr

Senior

We’re engineering the future of aerospace and defense. If you thrive on tackling complex challenges and delivering solutions where precision and reliability are non-negotiable, we want you on our team. Here, your experti…

Skills: Mechanical Design, Aircraft Engine Externals Design, Fluid And Gas Systems Routing, Electrical Harness Routing, Structural Support Design

Quest Defense logoQuest Defense

Mechanical Integrity Engineer – Gas Turbine Structures

Hybrid

$78k–$83k/yr

Mid level

Shape the future of aerospace and defense technology by helping develop the test systems that ensure mission-critical products perform when it matters most. At Quest Defense Systems & Solutions, we partner with industry …

Skills: Finite Element Analysis, Structural Analysis, Mechanical Integrity, Low-Cycle Fatigue, Fracture Mechanics

Quest Defense logoQuest Defense

Mechanical Integrity Engineer – Gas Turbine Structures

Cincinnati, Ohio, United States · Hybrid

$78k–$83k/yr

Mid level

Shape the future of aerospace and defense technology by helping develop the test systems that ensure mission-critical products perform when it matters most. At Quest Defense Systems & Solutions, we partner with industry …

Skills: Finite Element Analysis, Structural Analysis, Mechanical Integrity, Low-Cycle Fatigue, Fracture Mechanics

Quest Defense logoQuest Defense

Software Verification Engineer

Hybrid

$130k–$142k/yr

Senior

Shape the future of innovation as we tackle cutting-edge projects that make a difference. We’re not just in the business of engineering—we’re building a brighter future. Driven by creativity and a culture of excellence, …

Skills: Software Verification, Software Validation, C#, MATLAB, Simulink

Quest Defense logoQuest Defense

Repair Development - Mechanical Engineer

Cincinnati, Ohio, United States · On-site

$68k–$72k/yr

Entry level

Roles & Responsibilities: Support the In-Service Operations of fleets of various Large, Medium, and Small Aero engines Development of repair solutions for structural and rotating parts of engines Support engine overhaul …

Skills: Repair Engineering, Technical Writing, Gas Turbine Components, MS Office, NX

Quest Defense logoQuest Defense

Repair Development - Mechanical Engineer

Cincinnati, Ohio, United States · On-site

$68k–$72k/yr

Entry level

Roles & Responsibilities: Support the In-Service Operations of fleets of various Large, Medium, and Small Aero engines Development of repair solutions for structural and rotating parts of engines Support engine overhaul …

Skills: Repair Engineering, Technical Writing, Gas Turbine Maintenance, Aero Engine Components, MS Office

Quest Defense logoQuest Defense

Control System Engineer - Secret Clearance

Cincinnati, Ohio, United States · On-site

$90k–$120k/yr

Senior

We are seeking a highly skilled Control System Engineer specialized in Aircraft Engine Externals Design to join our dynamic aerospace engineering team. The successful candidate will play a crucial role in the development…

Skills: NPSS, SCADE, Simulink, Control Systems Engineering, Aircraft Engine Design

Quest Defense logoQuest Defense

Project Management Specialist

Cincinnati, Ohio, United States · On-site

$60k–$72k/yr

Mid level

Quest Defense is an organization at the forefront of innovation and one of the world’s fastest growing engineering services firms with deep domain knowledge and recognized expertise in the top OEMs across seven industrie…

Skills: Project Management, Aerospace Engineering, Microsoft Project, Smartsheet, Schedule Tracking

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Quest Defense logo

Mechanical Design Analysis Engineer - Externals

Quest Defense

Cincinnati, Ohio, United States • On-site

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Mid level

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  • $78k–$88k/yr
  • Full-time
  • bachelor degree
  • Competitive pay, Medical coverage, Dental coverage, Life insurance, Disability coverage, 401(k) with employer match
  • Posted 2d ago
  • ~40 hrs/week

Responsibilities

The engineer will design and analyze tubes, ducts, and structural supports for aircraft engine externals while ensuring system functionality and safety. They will also investigate field failures to implement design improvements and collaborate with cross-functional teams for seamless engine integration.

Requirements

Candidates must have a Bachelor's degree in Mechanical Engineering and 1-3 years of experience in FEA analysis, specifically with ANSYS in an aerospace context. US citizenship is required as the role requires the ability to obtain or hold a security clearance.

Full job description

We’re engineering the future of aerospace and defense. If you thrive on tackling complex challenges and delivering solutions where precision and reliability are non-negotiable, we want you on our team. Here, your expertise powers mission-critical systems that safeguard lives, advance technology, and push the boundaries of what’s possible. Join us and bring your skills to work where innovation meets impact. 

We are seeking a highly skilled Mechanical Analysis Engineer specialized in Aircraft Engine Externals to join our dynamic aerospace engineering team. The successful candidate will play a crucial role in the development of various external components of aircraft engines, ensuring optimal performance, reliability, and safety.

 Due to the nature of these roles, applicants must be US Citizens and be willing to obtain or currently hold a clearance.

This role is 100% onsite in Cincinnati, OH. 

 Key Responsibilities:

  • Aide in the design of tubes and ducts for fluid and gas systems for aircraft engine externals, ensuring system functionality.
  • Aide in the design of brackets and structural supports to securely mount external components to aircraft engine structures while maintaining structural integrity and minimizing weight.
  • Investigate and determine root causes for field failures of aircraft engine external components, proposing and implementing design improvements to prevent recurrence.
  • Collaborate with cross-functional teams, including aerodynamics, design engineers, and manufacturing, to ensure seamless integration of external components into overall engine design.
  • Use computational tools to generate analysis models for externals components.
  • Analyze, post-process, and prepare high-quality presentations of results.
  • Conduct design reviews, perform analysis, and create detailed engineering documentation to support the development and certification of aircraft engine external components.

Required Skills:

  • Bachelor’s degree in mechanical engineering or related field (BSME required).
  • Proven experience in FEA Analysis, preferably in aerospace or aviation industries, with a focus on aircraft engine externals design with 1-3 years of experience.
  • Experience with ANSYS
  • Strong understanding of fluid mechanics, thermodynamics, and structural analysis principles apply to aircraft engine design.
  • Due to the nature of the work, all candidates must be U.S. citizens and currently hold or be willing to obtain a clearance.

Desired Skills:

  • Excellent problem-solving skills with the ability to analyze complex technical issues and propose effective solutions.
  • Effective communication skills with the ability to collaborate with multidisciplinary teams and convey technical information clearly and concisely
  • Experience in adoption and/or integration of emerging technologies (e.g., generative AI, automation platforms, digital assistants) into day-to-day operations for continuous improvement.

 

Physical Requirements & Work Environment:

  • Mostly Office Environments, Occasional Shop Floor involvement.
  • Substantial amounts of telephone, video conferencing and computer work.
  • Heavily Regulated Industries with strict adherence to procedures.
  • Flexibility to meet business deadlines by staying late or arriving early.
  • Typical 8 hour days plus lunch / 40 hour weeks / core (required) hours are 9AM to 4PM
  • Ability to use personal transportation to visit customer locations

 

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

 

The QDSS Advantage:  

At QDSS, our advantage is purpose-driven work, collaborative teams, and complex challenges that push boundaries and build lasting impact. You’ll grow your career while contributing to mission-critical programs that demand excellence and shape the future. 

What You’ll Find Here 

  • Work That Matters – Next-generation, safety- and mission-critical projects where your contributions have real-world impact. 
  • Growth That’s Supported – Competitive compensation, employer-matched 401(k), certification assistance, and clear opportunities for advancement. 
  • A Culture That Works – A flexible, collaborative, and people-first environment where teamwork, innovation, and balance are valued. 

Benefits Include 

  • Competitive pay, comprehensive medical/dental/life and disability coverage, 401(k) with employer match, professional development support, and a flexible, friendly workplace. 

 

 

Full compensation package is based on candidate experience and certifications

Pay Ranges
$78,000—$88,000 USD

Related keywords

Mechanical EngineeringAerospaceDefenseAircraft Engine ExternalsFEAANSYSFluid MechanicsThermodynamicsStructural AnalysisRoot Cause AnalysisComputational ToolsCertificationGenerative AIAutomation PlatformsDigital AssistantsSecurity Clearance

About Quest Defense

LinkedInVisit site
Industry
Aviation and Aerospace Component Manufacturing
Company size
201-500 employees
Headquarters
Cincinnati, Ohio
LinkedIn followers
13,218

At Quest Defense Systems and Solutions, we don’t just build technology — we engineer the future. From next-generation aerospace solutions to cutting-edge defense systems, we tackle the toughest, mission-critical challenges that keep people safe and push the boundaries of innovation. This is where problem-solvers, innovators, and visionary thinkers come together to shape the future. We strive to be the most trusted partner for the world’s hardest engineering problems. With over 25 years of aerospace and defense engineering expertise, our commitment to delivering high-quality, transformative solutions sets us apart — not just as an industry leader, but as a driving force for impactful change. Together, we’re not just leading the industry—we’re revolutionizing it.

Offices: 11499 Chester Rd, Suite 600, Cincinnati, Ohio 45246, US

Information Technology
View all jobs at Quest Defense

About Quest Defense

LinkedInVisit site
Industry
Aviation and Aerospace Component Manufacturing
Company size
201-500 employees
Headquarters
Cincinnati, Ohio
LinkedIn followers
13,218

At Quest Defense Systems and Solutions, we don’t just build technology — we engineer the future. From next-generation aerospace solutions to cutting-edge defense systems, we tackle the toughest, mission-critical challenges that keep people safe and push the boundaries of innovation. This is where problem-solvers, innovators, and visionary thinkers come together to shape the future. We strive to be the most trusted partner for the world’s hardest engineering problems. With over 25 years of aerospace and defense engineering expertise, our commitment to delivering high-quality, transformative solutions sets us apart — not just as an industry leader, but as a driving force for impactful change. Together, we’re not just leading the industry—we’re revolutionizing it.

Offices: 11499 Chester Rd, Suite 600, Cincinnati, Ohio 45246, US

Information Technology
View all jobs at Quest Defense

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