Jobs in the United States

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Added 1 min ago
Designer II
JT4, LLC
Edwards AFB, CA
JT4, LLC provides engineering and technical support to multiple western test ranges for the U.S. Air Force and Navy under the Joint Range Technical Services Contract, better known as J-Tech…
Added 1 min ago
Systems Administrator II
JT4, LLC
Edwards AFB, CA
JT4, LLC provides engineering and technical support to multiple western test ranges for the U.S. Air Force and Navy under the Joint Range Technical Services Contract, better known as J-Tech…
Added 1 min ago
JL
Cybersecurity Analyst II
JT4, LLC
Edwards AFB, CA
- $97,000 to $125,000 USD / year
JT4, LLC provides engineering and technical support to multiple western test ranges for the U.S. Air Force and Navy under the Joint Range Technical Services Contract, better known as J-Tech…
Added 1 min ago
Product Development Engineer - Fuel Systems EVAP Component and BETP Engineer
Ford
Dearborn, MI · Dearborn
Support tech club reviews for related components to ensure that all design requirements are met.
Added 2 mins ago
A
Senior Staff TLM, Security Systems
Aurora
Mountain View, CA · Bozeman, MT · San Francisco, CA · Pittsburgh, PA · Louisville, CO · Seattle, WA
- $191,000 to $340,000 USD / year
You will translate high-level security architecture and regulatory requirements into concrete system-level design specs, trade studies, interface definitions, and verification plans. Your…
Added 6 mins ago
EC
AI Developer Intern
Entrust Corporation
Shakopee, MN
- $23 to $26 USD / hour
Are you a tech enthusiast who thrives on challenge and loves pushing the boundaries of what’s possible with AI? Do you want to be part of a team where innovation, learning, and fun go hand…
Added 6 mins ago
Network Engineer-Secret
Sunayu
Washington, DC
Lead technical execution for site modernization initiatives, lifecycle tech refreshes, and special engineering projects.
Added 10 mins ago
Principal Software Engineer
Fidelity Technology Group, LLC
Merrimack, NH
This role is 70% front-end with design and development for an UI modernization initiative and 30% backend development. Fully engaging in product quality plan efforts, including test case…
Added 12 mins ago
Data Center Controls Tech, Data Center Communities
Amazon Data Services, Inc.
Manassas, VA
The mission of the Data Center Controls Engineering team is to manage the design, deployment, and service of a highly reliable electrical and mechanical control system for the life-cycle of…
Added 12 mins ago
Systems Development Engineer, Tech-SC SPIE Engineering
Amazon.com Services LLC
Austin, TX
Our Systems Development Engineering team is the driving force behind Tech-SC's technology transformation. We're responsible for designing and building the modern, scalable architecture that…
Added 12 mins ago
Data Center Controls Tech, Atlanta
Amazon Data Services, Inc.
Lithia Springs, GA
The mission of the Data Center Controls Engineering team is to manage the design, deployment, and service of a highly reliable electrical and mechanical control system for the life-cycle of…
Added 12 mins ago
Manager, Software Engineering
Nike
Beaverton, OR
Experience contributing to architecture reviews, technical forums, tech talks, or engineering communities of practice.
Added 14 mins ago
Product Development Engineer - Fuel Systems EVAP Component and BETP Engineer
Ford Global
Dearborn, MI
Support tech club reviews for related components to ensure that all design requirements are met.
Added 15 mins ago
Associate, Electro/Opto-Mechanical Engineering
L3Harris
Tulsa, OK
We are seeking a motivated and detail-oriented Electro-Mechanical Engineer to support the design, integration, testing, and production of complex electro-mechanical systems involving…
Added 16 mins ago
HI
HVAC Tech II
Hospira, Inc.
NC
- $28.76 to $47.93 USD / hour
…improving patients' lives. Whether you are involved in the design and development of manufacturing processes for products or supporting the upkeep of systems, engineering is crucial to…
Added 16 mins ago
PI
Sr. Associate - Solutions Engineer
Pfizer Inc
NY · PA
- $79,400 to $132,400 USD / year
The Marketing Platform & Engineering (MPE) team delivers compliant digital marketing technology, solutions, and services across Pfizer business units and markets as part of the Chief…
Added 17 mins ago
NH
Data Engineer
Nomura Holdings, inc.
Philadelphia, PA
- $115,000 to $160,000 USD / year
In this role, you will solution design, build, and maintain cloud-based data pipelines and data warehouse to support the Sales organization. Working as part of a team of data engineers, you…
Added 19 mins ago
TC
Distribution Designer I
TRC Companies, Inc.
Raleigh, NC
- $20 to $23 USD / hour
TRC, Member of WSP, is a global consulting environmental and engineering firm and one of the top design firms in the energy sector. Together, TRC and WSP’s 83,000 experts create positive,…
Added 19 mins ago
TC
Distribution Designer I
TRC Companies, Inc.
Raleigh, NC
- $20 to $24 USD / hour
TRC, Member of WSP, is a global consulting environmental and engineering firm and one of the top design firms in the energy sector. Together, TRC and WSP’s 83,000 experts create positive,…
Added 19 mins ago
TC
Distribution Designer I
TRC Companies, Inc.
Raleigh, NC
- $20 to $24 USD / hour
TRC, Member of WSP, is a global consulting environmental and engineering firm and one of the top design firms in the energy sector. Together, TRC and WSP’s 83,000 experts create positive,…
Added 19 mins ago
TC
Distribution Designer II
TRC Companies, Inc.
Huntersville, NC
- $24.02 to $26.25 USD / hour
TRC, Member of WSP, is a global consulting environmental and engineering firm and one of the top design firms in the energy sector. Together, TRC and WSP’s 83,000 experts create positive,…
Added 19 mins ago
TC
Distribution Designer II
TRC Companies, Inc.
Raleigh, NC
- $20 to $25.75 USD / hour
TRC, Member of WSP, is a global consulting environmental and engineering firm and one of the top design firms in the energy sector. Together, TRC and WSP’s 83,000 experts create positive,…
Added 19 mins ago
TC
Distribution Designer II
TRC Companies, Inc.
Raleigh, NC
- $24.02 to $28.25 USD / hour
TRC, Member of WSP, is a global consulting environmental and engineering firm and one of the top design firms in the energy sector. Together, TRC and WSP’s 83,000 experts create positive,…
Added 19 mins ago
TC
Distribution Designer II
TRC Companies, Inc.
Huntersville, NC
- $24.02 to $29.25 USD / hour
TRC, Member of WSP, is a global consulting environmental and engineering firm and one of the top design firms in the energy sector. Together, TRC and WSP’s 83,000 experts create positive,…
Added 21 mins ago
Enterprise Architect
MANTECH
Remote, United States
Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the…

L3Harris

Principal, Mechanical Design Engineer

Orlando, FL, United States

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Job details

Posting language: English
Posted: Aug 22, 2026

Original job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Principal, Mechanical Design Engineer

Job ID: 43125

Job Location: Orlando, FL

Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off

Job Description:

L3Harris is seeking an experienced Principal, Mechanical Design Engineer in our Orlando, FL location. The selected individual will manage large, complex project initiatives of substantial importance to the organization, while working with and providing guidance to a team of mechanical engineers. This individual must be capable of devising solutions to complex engineering problems both independently and by soliciting input from other technical subject matter experts across the organization.

The Mechanical Design Engineer will work independently as well as working with other stakeholders to provide technical direction that will drive the success of all programs at Coleman. This typically includes working closely with internal and external customers while guiding our team of mechanical engineers. May be personally responsible for portions of the design and documentation efforts.

Essential Functions:

Ability to create and guide the development of aerospace structure designs including structure assemblies, component installations, and bracket designs that conform to requirements documents. Ability to assist in requirements verification of those designs.
Ability to communicate, both verbally and in writing, with technical and non-technical professionals at all levels.
Experience with aerospace flight vehicle design.
Research and analyze data such as customer design proposals, specifications, and manuals to determine feasibility of design or application.
Research, plan, design, and provide guidance to other engineers for mechanical and electromechanical products and systems.
Analyze, design and test products or systems such as instruments, controls, and mechanical, thermal, hydraulic, or heat transfer systems.
Ability to serve as a GD&T SME for the organization.
Proficiency in preparing conceptual models and design review materials. Understanding of mechanical analysis requirements and techniques used for initial sizing and design verification.
Plan and possibly direct engineering personnel in fabrication of test control apparatus and equipment, and development of methods and procedures for testing products or systems
Detail-oriented and able to perform Peer Reviews of fellow engineers’ designs and drawings.
Position may require occasional overtime.
20% travel (10 - 20%) as required to meet critical schedule milestones.
Ability to obtain a US Security Clearance.

Qualifications:

Bachelor’s Degree and minimum 12 years of prior mechanical design engineering experience. Graduate Degree and a minimum of 10 years of prior mechanical design engineering experience. In lieu of a degree, minimum of 16 years of prior mechanical design engineering experience.

Preferred Additional Skills:

5+ years of experience with basic material selection, sheet metal design practices, basic machining practices and hardware selection.Proficiency with PTC’s Creo 8.0 or later revision, especially with detail part design, large assembly management and drawing documentation.
Proficiency and experience with ASME Y14.5-1994 and generating detailed documentation of parts, assemblies and installations.
Proficiency in non-conforming material review of root cause / corrective action and disposition instructions.
Proficiency with hands-on engineering support of manufacturing.
Proficiency in design of mechanical ground support equipment and handling procedures / methods.
Experience in preparation of estimates for design tasks.
Ability to prepare or lead the preparation of part lists.
Knowledge of engineering change document preparation and impact assessments.

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) or Spanish (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) . For information regarding your Right To Work, please click here for English (https://www.eeoc.gov/sites/default/files/2022-10/22-088_EEOC_KnowYourRights_10_20.pdf) or Spanish (https://www.eeoc.gov/sites/default/files/2022-10/22-088_EEOC_KnowYourRightsSp_10_20.pdf) .

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