Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Scientist, Mechanical Engineer

$146k - $208.5k

L3Harris Technologies

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: Senior Scientist, Mechanical Engineer
Job Code: 45278
Job Location: Palm Bay, FL; Carlsbad, CA; Chantilly, VA
Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off

Job Description:

During its 120-year history, L3Harris has transformed communications and information technology. L3Harris is a proven leader in tactical communications, geospatial systems and services, air traffic management, environmental solutions, avionics and electronic warfare, and space and intelligence. From ocean to orbit and everywhere in between, we provide mission-critical solutions to connect, inform and protect the world.

On the L3Harris team, your job is to secure the world. We don't work here just for the advanced technology and equipment: we work here because we know what - and who - we're protecting! From families to the intelligence community, and from our climate to our men and women in uniform - we're making the world a safer place!

Design and qualify the precision mechanisms behind mission systems used in complex, high-consequence environments. You'll own major components and sub-systems from early concepts through integration and test, helping L3Harris deliver dependable capability for customers executing their most challenging missions.

This is an on-site role because the work includes direct lab, prototype, integration, and hardware-test activity at one of the following sites: Palm Bay, Florida; Chantilly, Virginia; or Carlsbad, California.

Essential Functions:

  • Lead mechanical design, analysis, prototype integration, and qualification testing for precision mechanisms and electro-mechanical hardware.
  • Develop 3D models, drawings, technical data packages, and assembly documentation.
  • Evaluate material selections and design trades; improve designs for performance, size, weight, power, manufacturability, and reliability.
  • Plan and execute component and system-level tests; analyze results and drive design improvements.
  • Present designs and results at internal and customer reviews, including peer reviews, PDRs, and CDRs.
  • Partner with manufacturing, quality, configuration management, suppliers, technicians, and the program test team to transition designs into production.
  • Support field-test or demonstration activities as needed.
  • Recognized as an internal expert and thought leader in area of expertise with broad experience across multiple job areas. Works under consultative direction against annual goals to manage large, complex project initiatives of strategic importance to the organization. Communicates within and outside of the organization to influence leadership to accept new practices, approaches, and concepts. Develops or champions new systems, concepts, or technologies. Recommends tactics and strategies that directly impact the achievement of overall business or functional results.

Qualifications:

  • Requires both advanced business knowledge and highest level of technical mastery in functional area. Leadership capability to guide business or functional teams without formal management role. Bachelor's Degree with a minimum of 15 years of prior related experience. Graduate Degree with a minimum of 13 years of prior related experience. In lieu of a degree, minimum of 19 years of prior related experience.
  • Active Top Secret or Top Secret/SCI clearance is required. (Active within the last two years will be considered)

Preferred Additional Skills:

  • Hands-on experience designing, developing, integrating, and testing complex mechanical hardware.
  • Experience with 3D mechanical CAD, engineering drawings, and tolerance analysis/GD&T.
  • Ability to work on-site in a mis of office and laboratory environments.
  • Experience in design or development of precision mechanisms, mechatronic systems, and/or packaging of modules and electronics with considerations of thermal and structural loading and for optimizations of size, weight, and power.
  • Proficiency in CAD tools such as Creo and understanding of ASME Y14.5 Geometric Dimensioning and Tolerancing standards.
  • Experience in additive manufacturing, part optimization, and design for manufacture and assembly a plus.
  • Experience with any of the following: actuators, custom gear trains, electro-optical systems, materials testing, and manufacturing processes.
  • Favorable polygraph.

In compliance with pay transparency requirements, the salary range for this role in California and Virgina is $146,000 - $208,500. 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. 

LI-FS1

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 or Spanish . For information regarding your Right To Work, please click here for English or Spanish

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Senior Scientist, Mechanical Engineer in Poway, CA vacancy
  • $146k - $208.5k

     ...solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Scientist, Mechanical Engineer Job Code: 45278 Job Location: Palm Bay, FL; Carlsbad, CA; Chantilly, VA Job Schedule: 9/80: Employees work 9... 
    Senior
    Work at office
    Local area
    Flexible hours

    L3Harris Technologies

    Poway, CA
    2 days ago
  •  ...make a real-world impact, we invite you to join our team of scientists, engineers and operators.The Transducer Engineer assumes a technical...  ...system level validation and testing to specificationsAcoustic, mechanical, and electrical designMaterial selection and testingDesign... 
    Senior
    Full time
    Work experience placement
    Casual work
    Local area
    Afternoon shift

    Teledyne AnaFocus

    Poway, CA
    1 day ago
  •  ...Senior Project ManagerA well-established mechanical contractor is seeking a Senior Project Manager to oversee commercial HVAC and mechanical construction projects...  ...communication with owners, general contractors, engineers, and internal teamsTrack project costs, change... 
    Senior
    For contractors
    For subcontractor

    RIMEPRO INC

    Poway, CA
    5 days ago
  •  ...If you’re passionate about innovation and want to make a real-world impact, we invite you to join our team of scientists, engineers and operators.The Mechanical Engineer for Teledyne RD Instruments is responsible for the design, analysis, development, testing and... 
    Suggested
    Full time
    Work experience placement
    Local area

    Teledyne AnaFocus

    Poway, CA
    4 days ago
  • $75k - $90k

     ...FILTROUS filtrous.com | Poway, CA Research Scientist Turn Innovation into Products That Labs Depend On Why This Role Matters The next breakthrough reagent or assay technology won't develop itself. At Filtrous, our Research Scientist leads the charge—taking ideas... 
    Suggested
    Full time
    Monday to Friday
    Weekend work

    Filtrous Inc

    Poway, CA
    3 days ago
  • Job Duties GS-07 Performs developmental assignments in the application of professional principles, techniques, methods, and procedures relating to the investigation, analysis, and interpretation of the composition, molecular structure, and properties of substances...

    Department of the Air Force

    Poway, CA
    1 day ago
  •  ...Physicist Duties GS-07: # Performs work as a physicist in support of conventional projects assigned to higher level scientists. # Performs work as a physicist of limited scope and complexity in support of projects assigned to higher grade scientists. Plans... 
    For contractors
    Internship

    Department of the Air Force

    Poway, CA
    1 day ago
  • $120k - $140k

     ...Job Title: Mechanical Test EngineerJob Description This role offers an exciting opportunity for a Mechanical Test Engineer to support the planning, coordination, and execution of tests...  ...locations. You will collaborate closely with senior test engineers, test managers,... 
    Permanent employment
    For subcontractor
    Work at office

    Actalent

    Poway, CA
    3 days ago
  • $52 - $58 per hour

     ...Job Title: Tool Design Engineer (Engineer II) Job Description This Engineer II role offers the opportunity to lead, support, and...  ...builds, operation, and iterative refinement. Understanding of mechanical, structures, materials, tool design, manufacturing, or similar... 
    Contract work
    Temporary work
    Work at office

    Actalent

    Poway, CA
    1 day ago
  •  ...substantial intellectual property focused on stem cell secretomes and their applications. Requirements Some required skills for the Scientist position: Experience with one or more of the following is desirable: PCR/qPCR/ddPCR ELISA and other ligand-binding assays... 
    Contract work

    Direct Biologics

    Poway, CA
    a month ago
  •  ...reconnaissance radars, as well as advanced high-resolution surveillance systems. We currently have an exciting opportunity for an Industrial Engineer within the operations department of our ASI Division. DUTIES AND RESPONSIBILITIES Responsible for understanding the integration... 
    Senior
    Hourly pay
    Full time
    Remote work

    General Atomics Aeronautical Systems

    Poway, CA
    2 hours ago
  •  ...reconnaissance radars, as well as advanced high-resolution surveillance systems. We have an exciting opportunity for a Staff Stress Engineer to join our Airframe Integrity Group at GA-ASI, located in Poway, CA. Under general supervision with limited review, this position... 
    Full time
    Work experience placement
    Remote work

    General Atomics Aeronautical Systems

    Poway, CA
    2 hours ago
  •  ...Manager Of Mechanical Engineering We are seeking a Manager of Mechanical Engineering to lead a team of 5–10 engineers focused on the mechanical design and integration of power conversion systems. This role combines team leadership with deep technical ownership. You... 
    Flexible hours

    EPC Power

    Poway, CA
    4 days ago
  • $22 - $26 per hour

    Description & Requirements Description Now Hiring: Behavior Technicians / ABA Behavior Interventionist (In-Home & Clinic-Based) Make a meaningful impact, supporting children with autism as they learn, grow, and thrive in their everyday environments using ABA (Applied...
    Hourly pay
    Part time
    Local area
    Immediate start
    Work from home
    Flexible hours
    Day shift
    Afternoon shift

    Intercare Therapy

    Poway, CA
    2 days ago
  • Requisition ID 41759 Department Laboratory-Clinical Location Escondido, California Union Not Applicable Salary Range 42.30 - 63.53 Job Type Per Diem Shift Evening Hours Per Shift 8 Hours Per Pay Period 0 Position...
    Daily paid
    Traineeship
    Work at office
    Shift work
    Afternoon shift

    Palomar Health

    Escondido, CA
    2 days ago
  • $83.82k - $153.6k

     ...revenue, 8000 + employees worldwide, and publicly traded on the Tokyo Stock Exchange.Job OverviewWe are currently looking for a Mechanical Engineer III for our Nikkiso Applied Technology business unit in Escondido, CA. The ideal candidate will assist with mechanical... 
    Remote work
    Worldwide

    Nikkiso Cosmodyne

    Escondido, CA
    2 days ago
  • $35 - $42 per hour

     ...Mechanical Designer / Drafter (Mid-Level) Design the Future of Aerospace Innovation Are you passionate about transforming engineering concepts into real-world aerospace technology? Join a team developing and sustaining advanced aerospace systems, where your designs... 
    Contract work
    Temporary work
    Flexible hours

    Actalent

    Poway, CA
    4 days ago
  • $30 - $35 per hour

     ...Job Title: Mechanical Drafter Job Description The Drafter 2 position supports sustainment engineering efforts through engineering drawing updates, documentation control, and administrative drafting activities. This role is ideal for a junior drafter looking... 
    Contract work
    Temporary work
    Work experience placement

    Actalent

    Poway, CA
    5 days ago
  •  ...transition from development to production. Transition includes System Schematics, PCB Schematic + layout and harnesses. Apply Electrical Engineering techniques to accomplish goals. Certain degree of creativity and latitude required. Able to take responsibilities and get the job... 
    Senior

    System Canada Technologies

    Poway, CA
    1 day ago
  • $35 - $45 per hour

     ...Senior CNC Machinist PrideStaff is recruiting an experienced Senior CNC Machinist for a precision manufacturing company supporting...  ...for an experienced machinist who can work independently from engineering drawings through machine setup, machining, inspection, and... 
    Senior

    PrideStaff

    Poway, CA
    4 days ago
  • $150k - $200k

    SENIOR ENGINEER Poway, California | Full-Time | $100,000–$130,000 Who We Are Looking For: Radeus Labs is looking for a curious, hands...  .... What You Bring Required · Bachelor’s degree in Mechanical, Electrical, Systems Engineering, or related technical field... 
    Senior
    Full time

    Radeus Labs, Inc.

    Poway, CA
    2 days ago
  • $39 - $48 per hour

     ...Job Title: Mechanical DesignerJob Description The Designer 4 is a senior-level role responsible for owning drawing and sustainment projects from initiation through...  ...requires extensive modeling experience, strong engineering design knowledge, and the ability to work... 
    Contract work
    Temporary work
    Work experience placement

    Actalent

    Poway, CA
    4 days ago
  • $91.13k - $170.03k

     ...Stock Exchange.Annual Salary: $91,128 - $170,032Job OverviewThe Engineering Lead - Cold Box Packaging is responsible for providing...  ...commissioning. This position works closely with Process Engineering, Mechanical Engineering, Piping, Electrical/Controls, Manufacturing,... 
    Worldwide

    Nikkiso Cosmodyne

    Escondido, CA
    1 day ago
  •  ...Senior Structural Engineer Our client is a specialized structural engineering consultancy providing exclusive design services for the U.S. Department of Defense (DoD). They are seeking a Senior Structural Engineer to lead the analysis and design of mission-critical... 
    Senior

    K2 Staffing, LLC

    Poway, CA
    3 days ago
  • General Atomics Aeronautical Systems, Inc. (GA-ASI) seeks an experienced contracts professional to support USAF proposals and contracts. You will review bids, negotiate terms, and interface with customers to ensure on-time award and fulfillment in accordance with company...
    Senior
    Contract work

    General Atomics Aeronautical Systems

    Poway, CA
    2 hours ago
  • As a Senior Account Manager with Liberty Packaging, you will contribute to the growth of our business by focusing on both winning new business as well as growing existing customer relationships. Our business-to-business Sales Reps deliver on a go-to-market strategy that... 
    Senior

    Liberty Packaging

    Poway, CA
    2 hours ago
  •  ...Senior Home Lending Advisor Join our fun, high-energy team as a Senior Home Lending Advisor in Chase Home Lending and put your exceptional knowledge and understanding of home lending products to good use by serving as your customers' chief point of contact throughout... 
    Senior
    Work experience placement
    Local area
    Immediate start
    Relocation

    Chase

    Poway, CA
    1 day ago
  • Department: Laboratory-Clinical Union: Shift: 8-hour Shift - Night (United States of America) Hours Per Pay Period: 64 Job Description: Range:44.84-67.34 Posting Date: 9/4/2026 Perform and demonstrate proficiency and understanding ...
    Work at office
    Shift work
    Night shift

    Palomar Health

    Escondido, CA
    5 days ago
  • $113k - $170k

     ...Job Title: Senior Systems Engineer Job Description The Senior Systems Engineer leads the definition, design, and validation of advanced...  ...and engineering solutions while coordinating closely with mechanical, electrical, software, controls, and manufacturing... 
    Senior
    Permanent employment

    Actalent

    Poway, CA
    3 days ago
  •  ...environment with opportunities to collaborate across international sites, including its U.S. facility in Poway, CA. Role Description The senior staff accountant's responsibilities include working closely with company leadership and other finance professionals to reconcile... 
    Senior
    Permanent employment
    Full time
    Work at office
    Worldwide
    Flexible hours

    SOMACIS

    Poway, CA
    3 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Scientist, Mechanical Engineer. Be the first to apply!