Specialist, Mechanical Engineer

L3Harris; Philadelphia (Philadelphia County); On-site; USD 80,000 - 110,000; Full time

Job summary

An agile defense technology innovator seeks a Specialist Mechanical Engineer for Maritime Power and Energy Solutions. This role focuses on mechanical engineering design and analysis for Navy-based systems, requiring expertise in structural and thermal analysis. The ideal candidate will lead design efforts, collaborate with multidisciplinary teams, and ensure project success through technical acumen and initiative. Join a forward-thinking company committed to excellence and innovation in defense technology, where your contributions will directly impact national security. Embrace the opportunity to grow in a dynamic environment that values teamwork and professional development.

Qualifications

• 5+ years of experience in mechanical engineering with a focus on Navy systems.
• Experience in leading mechanical design efforts and project management.
• Familiarity with military specifications and standards.

Responsibilities

• Conduct structural and thermal analysis for Navy electronic systems.
• Lead mechanical design efforts and coordinate with engineering teams.
• Prepare cost estimates and ensure adherence to project schedules.

Skills

Mechanical Engineering

Structural Analysis

Thermal Analysis

3-D CAD Software

ANSYS Workbench

Technical Writing

Project Management

Education

Bachelor of Science in Mechanical Engineering

Master of Science in Mechanical Engineering

8+ years of relevant experience

Tools

Solidworks

ANSYS Workbench

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 Technologies is the Trusted Disruptor in the defense industry. 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: Specialist, Mechanical Engineer, Maritime Power and Energy Solutions

Job Code : 22091

Job Location: Philadelphia, PA – Move December 2025 to Camden, NJ

Schedule: 9/80

About L3Harris Technologies – Maritime Power & Energy Solutions (MPES):

L3Harris Technologies MPES is an agile defense technology innovator, delivering end-to-end solutions for the US Navy Shipbuilding programs. With capabilities in ship control systems, manufacturing and turn-key ship overhauls that meet customers’ mission-critical needs. L3Harris MPES has approximately $450M in annual revenue and 1189 employees.

Job Description:

This position is responsible for general mechanical engineering, structural and thermal analysis of power switchboards and circuit breakers for Navy based electronic systems. Knowledge of mechanical layout and packaging of such systems is necessary. Given the system complexity, the associated responsibilities and assignments require the exercise of considerable initiative, planning, and independent judgment. He/she shall demonstrate technical acuity which encompasses interpretation of specifications/requirements and resolution of complex mechanical design and analysis problems. Shall be able to lead mechanical engineering design efforts on a project.

Essential Functions:

• Reviews and interprets specifications and requirements to determine structural, thermal and safety critical characteristics/considerations for the mechanical designs.
• Prepares material and labor cost estimates for proposed designs and proposals.
• Works directly with all engineering supporting disciplines from concept through final product design and production.
• Responsible for project budget/schedule adherence for assigned tasks.
• Will be responsible for all aspects of mechanical design and analysis. These efforts include thermal analysis, structural analysis, electronics packaging, and mechanical concepts, for new and updated products.
• Coordinates and reviews the work of the program design team, provides direction for design and analysis details, and supports the preparation of mechanical drawings.
• Supports manufacturing build and qualification testing requirements, as needed.
• Reviews and approves project documentation, change requests, etc. and ensures appropriate documentation on projects.
• Processes and manages new/design changes on assigned projects using PLM system.
• Interfaces with customers, vendors, and production to develop product requirements and solutions.
• U.S. Citizenship required at this site.

Qualifications:

• Bachelor of Science degree in Mechanical or Aerospace Engineering with minimum 5 years of prior related experience;
  • or Master of Science degree in Mechanical or Aerospace Engineering with minimum 3 years of prior relevant experience. Must have experience and/or training in mechanical engineering.
  • Or In lieu of a degree, minimum of 8 years of prior related experience.
• Able to obtain and maintain an Active U.S. DoD Security Clearance
• 4 + years experience using 3-D CAD software tools in design function, Solidworks [preferred], or equivalent modeling software (solid modeler) experience a must.
• 4 + years of experience with structural analysis software ANSYS Workbench [preferred] or equivalent. The candidate must be familiar with software modules for static, dynamic, and modal analysis.
• 2+ years of experience in military and/or industry specifications and standards pertaining to design, testing, hardware, material, and processes.
• 2+ years of experience in Commercial/Navy/Military Specifications for environmental qualification testing.

Preferred Additional Skills:

• Experience working with Power Switchboard or similar med/high-voltage/high-power type equipment
• Skilled in vibro-acoustic and acoustic design of electronic enclosures (highly desirable)
• Demonstrated ability to lead and execute own tasks with minimal guidance
• Experience with additive manufacturing materials and techniques
• Ability to lead others in design team and execute tasks on-time and on-budget
• Excellent technical writing skills demonstrated through authorship of technical documentation such as design reports, test procedures, etc.
• Good written and oral communication skills.

#LI-PM1

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 .

About the company

L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across air, land, sea, space and cyber domains.