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UA
Interdisciplinary
U.S. Army Corps of Engineers
Fort Sam Houston, TX · Lackland AFB, TX
- $108,001 to $140,403 USD / year
Senior Project Engineer, involved in field engineering and inspection, office engineering, materials testing and control, and administrative functions. | Ensure that all phases of the…
Added just now
UA
Interdisciplinary
U.S. Army Corps of Engineers
Lackland AFB, TX · Fort Sam Houston, TX
- $108,001 to $140,403 USD / year
Senior Project Engineer, involved in field engineering and inspection, office engineering, materials testing and control, and administrative functions. | Ensure that all phases of the…
Added just now
US
Civil Engineer
United States Army Installation Management Command
Fort Belvoir, VA
- $102,415 to $133,142 USD / year
Serve as a Civil Engineer on an interrelated team of engineers/architects engaged in construction, design and review for the Directorate of Public Works. | Serves as project manager for…
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Associate Software Engineer
Highmark Health
Pierre, SD
This job is an integral member of an agile software engineer team responsible for building scalable software applications across all digital channels to serve our customers. Responsible for…
Added 1 min ago
Vice President, Cloud Platform Engineer
SitusAMC
Pierre, SD
Collaboration & Communication: Partner with internal and external stakeholders on design and architecture decisions and provide clear project updates to leadership.
Added 1 min ago
Network Operations Engineer
Meta
Pierre, SD
Meta is seeking a Network Operations Engineer to join our Edge and Network Services (ENS) Foundation NetOps team. In this role, you will utilize your knowledge in hyperscale data center…
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Senior Telecom Engineer
Maximus
Pierre, SD
Maximus is seeking an experienced Senior Telecom Engineer to lead the design, implementation, and optimization of Genesys Cloud solutions. This role is responsible for executing large-scale…
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Mechanical Engineer, Data Center Operations Engineering
Meta
Pierre, SD
Meta is seeking a Mechanical Engineer to join our Data Center Operations Engineering team. Our data centers are the foundation upon which our rapidly growing infrastructure efficiently…
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EG
QA Automation Engineer
Eliassen Group
Pierre, SD
- $75 to $82 USD / hour
Participate and contribute to requirements analysis, design, QA test plan development, defect review, QA results analysis, sprint review, and project planning sessions.
Added 4 mins ago
G
Senior Mechanical Engineer (HVAC)
GPAC
Kirkwood, MO
- $100,000 to $150,000 USD / year
A well-established, 1,000+ employee design-build mechanical contractor headquartered in St. Louis is looking for a Senior HVAC Design Engineer. They need someone who can mentor and still…
Added 5 mins ago
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Sr Mechanical Project Engineer
GPAC
Jacksonville, FL
- $120,000 to $150,000 USD / year
Lead mechanical engineering design (HVAC, Plumbing, Fire Protection) through every phase of a project
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Sr Mechanical Project Engineer
GPAC
Miami, FL
- $120,000 to $150,000 USD / year
Lead mechanical engineering design (HVAC, Plumbing, Fire Protection) through every phase of a project
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Sr Mechanical Project Engineer
GPAC
Tampa, FL
- $120,000 to $150,000 USD / year
Lead mechanical engineering design (HVAC, Plumbing, Fire Protection) through every phase of a project
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Sr Mechanical Project Engineer
GPAC
Orlando, FL
- $120,000 to $150,000 USD / year
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Sr Mechanical Project Engineer
GPAC
Saint Petersburg, FL
- $120,000 to $150,000 USD / year
Lead mechanical engineering design (HVAC, Plumbing, Fire Protection) through every phase of a project
Added 5 mins ago
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Research Materials Engineer, AST, Aerospace Materials
Langley Research Center
Egg Harbor Township, NJ
- $117,284 to $152,471 USD / year
…computational materials science for aerospace materials. | Design, execute, and process data from experiments to calibrate and validate models and characterize Process-Intensive Metallic…
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Sr Mechanical Project Engineer
GPAC
Port Saint Lucie, FL
- $120,000 to $150,000 USD / year
Lead mechanical engineering design (HVAC, Plumbing, Fire Protection) through every phase of a project
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Sr Mechanical Project Engineer
GPAC
Hialeah, FL
- $120,000 to $150,000 USD / year
Lead mechanical engineering design (HVAC, Plumbing, Fire Protection) through every phase of a project
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Sr Mechanical Project Engineer
GPAC
Tallahassee, FL
- $120,000 to $150,000 USD / year
Lead mechanical engineering design (HVAC, Plumbing, Fire Protection) through every phase of a project
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Sr Mechanical Project Engineer
GPAC
Cape Coral, FL
- $120,000 to $150,000 USD / year
Lead mechanical engineering design (HVAC, Plumbing, Fire Protection) through every phase of a project
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Sr Mechanical Project Engineer
GPAC
Fort Lauderdale, FL
- $120,000 to $150,000 USD / year
Lead mechanical engineering design (HVAC, Plumbing, Fire Protection) through every phase of a project
Added 9 mins ago
NA
AEROSPACE ENGINEER
Naval Air Systems Command
Tinker AFB, OK · Fort Worth, TX · Jacksonville, FL
- $125,776 to $163,514 USD / year
…unusual forces have been imposed or whether the part has failed design…
Added 10 mins ago
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Senior Mechanical Engineer
GPAC
Altoona, IA
- $110,000 to $140,000 USD / year
We are seeking an experienced Senior Mechanical Engineer who can perform engineering related duties for the design and planning phases of multiple and/or large, complex design and…
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Sr. Teamcenter PLM Solutions Engineer
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Truss Designer
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L3Harris

Scientist, Mechanical Engineering

Clifton, NJ, United States

In compliance with pay transparency requirements, the salary range for this role in California is $146,000 - $271,000.

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Job details

Pay: In compliance with pay transparency requirements, the salary range for this role in California is $146,000 - $271,000.
Posting language: English
Posted: Nov 4, 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: Scientist, Mechanical Engineering

Job Code: 47212

Job Location: Clifton, NJ

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

Job Description:

The team is seeking an Electronic Packaging Mechanical Engineer to lead a cross-functional team in the development, design, implementation, qualification and productionization of ruggedized ground and airborne military systems. You will be responsible for leading ME efforts in pursuit of new business preproposals and proposal support, including generation of BOEs, and function as responsible Mechanical Project Engineer on programs and internal development projects as needed. As an individual contributor, you will be responsible for the design, layout, testing and evaluation of mechanical and electro-mechanical devices or systems with emphasis on electronic packaging for Electronic Warfare programs. This includes preparation of design specifications and performing/ review of thermal, structural, dynamic and fatigue analysis to meet mechanical requirements and determine feasibility of design within time and cost constraints. The position will interface with Designers, Thermal/Structural Analysts, Systems Engineers, other engineering disciplines, Program Managers, and customer counterparts. The position will require leading the mechanical engineering activities related to the design, analysis, documentation, fabrication, assembly and qualification of product to the specification requirements, typically with stringent technical, schedule, and process requirements. You will investigate solutions to product or process problems and be part of the Failure Review Board (FRB). Candidate must have experience in 3D modeling, critical HW design and development to include environmental requirements, power delivery, and aggressive thermal management. Candidate must have the ability to work independently and within a multi-disciplined team environment. Candidate must have experience leading a team and pushing forward mechanical technologies.

Essential Functions:

Serve as the Chief ME for the business and point of contact for GM, CEs, PMs and ME Leadership
Be the Subject Matter Expert for EW programs and products.
Detailed mechanical design and analysis of electronic systems, boxes, and modules
Specification, model, and drawing generation per ASME Y14.100 and ASME Y14.5
Generate mechanical engineering design concepts which meet equipment specification requirements and refine the design through the use of CAD designs, 3D printed models, simulation tools, and functional prototypes.
Mechanical and environmental testing and mechanical troubleshooting of electronics systems
Travel (domestic and foreign) may be required 2-5% in a year
Proposal support and development
Assist with developing overall site wide Mechanical strategy
Work closely with cross-functional teams in the development of new solutions.
Significant CAD modeling of parts & assemblies
Perform trade studies to determine optimal designs
Review Structural and thermal analysis of components & assemblies
Have deep understanding of thermal management of high-power electronics in constrained volumes.
Electromechanical integration and electronics packaging
Lead mechanical design efforts
Lead peer reviews, PDRs, CDRs, and other required design reviews
Schedule, cost, and technical responsibility at the major subsystem level
Interface to customers & upper management
Provide guidance and mentorship for other team members formally or informally
Responsible for directing and reviewing the work of junior engineers and designers and technicians.
Participate in risk assessment and develop mitigation strategies for complex projects
Ability to obtain and maintain a US secret security clearance and any additional clearances as required
Take roles such as IPT Lead when necessary

Qualifications:

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

Preferred Additional Skills:

Experience with standard ASME Y14.5M-1994 and GD&T
Minimum of 6 years’ experience in 3D CAD modeling – PTC Creo
Minimum of 8 years’ experience packaging electronics including design for and testing to military environments (i.e. temperature, vibration, shock, etc.)
Minimum of 8 years’ experience with thermal management of high-power electronics.
Experience leading in the generation of technical content for bids: scope capture, requirements development, materials pricing, and labor estimates as required
Ability to obtain a Top-Secret security clearance
Excellent people skills, with experience leading and collaborating in a multi-disciplinary, diverse, and dynamic team environment.
Excellent communication skills (written, verbal, & presentation)
Strong hands-on capabilities, to include integration and diagnosis of complex mechanisms and products
Design for Manufacturability and Assembly (DFM/DFMA) experience
Vibration and shock analysis for airborne applications
Additive manufacturing and part optimization experience a plus
Basic understanding of control systems
Experience with machined part design
Experience with EVMS cost and schedule practices
Familiarity with Windchill, military design and environmental test standards, FloTHERM, Matlab, and MathCAD
Familiarity with ME role in PCB design process
Knowledge of electrical and optical cable routing and management in high reliability environments
Oversight of a team of Mechanical Engineers. Responsibilities to include:
Partnering with programs to ensure they are correctly staffed, engineering processes are being followed, and proposal efforts are supported.
Tracking performance of a Clifton Mechanical Engineering group including staffing, training, onboarding, employee development, engagement and proactive retention
Regular review of metrics to drive year-over-year performance improvement
Serving as ME functional representative for site specific design reviews and review/approval of proposals and Basis of Estimates (BOEs) as needed
Providing technical evaluation and oversight of program execution and leading/participating in technical issue resolution teams when required
Ensuring knowledge transfer and mentoring of less experienced engineers occurs within the overall department

In compliance with pay transparency requirements, the salary range for this role in California is $146,000 - $271,000. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

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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More about this job

Skills

Mechanical engineering
Packaging
Documentation
Assembly
3D modelling
Work independently
Lead a team
Leadership
Electronics
Troubleshooting
Power electronics
Hazard assessment
PTC Creo
Communication skills
Control systems
PTC Windchill
PTC Mathcad
Printed circuit boards
Design process
Engineering processes
Onboarding
Coaching
Regulatory compliance

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