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Senior Mechanical Engineer

L3Harris Technologies

Senior Mechanical Engineer

full-timePosted: Jan 16, 2026

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: Senior Mechanical Engineer

Job Location: Ottawa, ON

Job Schedule: Day Shift

Salary Range: 85 500$ - 135 500$

About your next Challenge as a Senior Mechanical Engineer:

Working as part of a dynamic multi-disciplinary team including hardware, software and systems engineering, the candidate will be responsible for hardware and mechanical designs used within integrated naval and marine communication systems.  The candidate will design and perform engineering analyses on mechanical assemblies and devices such as electronics enclosures, installation hardware, and other ship-fit equipment.  Additional activities will include the ruggedization of Commercial-Off-The-Shelf (COTS) equipment and support to environmental qualification validation and testing.  Key success criteria for this role will include delivering designs that meet the physical and functional requirements for the system, that can be efficiently manufactured, and that are delivered on time and on budget.

What will you do: 

  • Design mechanical and electro-mechanical devices for naval communication systems equipment
  • Ruggedize commercial off-the-shelf equipment
  • Analyze equipment performance for shock and vibration
  • Analyze equipment for thermal performance
  • Ensure mechanical designs meet customer and industry requirements
  • Support the verification and validation of designs and equipment
  • Plan and report on status of work
  • Collaborate with other engineering disciplines and with production staff
  • Develop and maintain technical documentation including design documents and manufacturing documentation
  • Prepare reports for customer deliverables
  • Contribute to process improvements related to mechanical engineering

Required Skills and Experiences:

  • Bachelors Degree in Mechanical Engineering
  • 5+ years of experience in a related field
  • Experience with CAD software (Creo preferred)
  • Experience with Analysis software (Ansys preferred) 
  • Experience reviewing standards

    Preferred additional skills
  • Previous experience working in the defence sector
  • Knowledge and/or experience with military standards for environmental qualification, mechanical, and/or human factors
  • Professional Engineer/EIT or other relevant professional certification

Eligibility Criteria (Mandatory):

·Must be eligible for registration with the Controlled Goods Program;

·Must be eligible to obtain and maintain a government of Canada “Reliability” status and Level 2 (Secret) security clearance.

·Must be eligible to meet the requirements for U.S. International Traffic in Arms Regulations (ITAR).

At L3Harris, we foster an inclusive and equitable workplace. 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. For applicants with disabilities, we will provide you with accommodation so that you have what you need in order to be at your best.

L3Harris performs background checks prior to employment as all applicants must be eligible for registration with the Controlled Goods Program and obtain and maintain a positive security assessment. Some positions may require a government of Canada “Reliability” status and/or Level 2 (Secret) security clearance. In addition, L3Harris performs pre-employment substance abuse testing where required.

Locations

  • Ottawa, ON, United States

Salary

85,500 - 135,500 CAD / yearly

Skills Required

  • Experience with CAD software (Creo preferred)intermediate
  • Experience with Analysis software (Ansys preferred)intermediate
  • Experience reviewing standardsintermediate
  • Analyze equipment performance for shock and vibrationintermediate
  • Analyze equipment for thermal performanceintermediate

Required Qualifications

  • Bachelors Degree in Mechanical Engineering (experience)
  • 5+ years of experience in a related field (experience)
  • Previous experience working in the defence sector (preferred) (experience)
  • Knowledge and/or experience with military standards for environmental qualification, mechanical, and/or human factors (preferred) (experience)
  • Professional Engineer/EIT or other relevant professional certification (preferred) (experience)
  • Must be eligible for registration with the Controlled Goods Program (experience)
  • Must be eligible to obtain and maintain a government of Canada “Reliability” status and Level 2 (Secret) security clearance (experience)
  • Must be eligible to meet the requirements for U.S. International Traffic in Arms Regulations (ITAR) (experience)

Responsibilities

  • Design mechanical and electro-mechanical devices for naval communication systems equipment
  • Ruggedize commercial off-the-shelf equipment
  • Analyze equipment performance for shock and vibration
  • Analyze equipment for thermal performance
  • Ensure mechanical designs meet customer and industry requirements
  • Support the verification and validation of designs and equipment
  • Plan and report on status of work
  • Collaborate with other engineering disciplines and with production staff
  • Develop and maintain technical documentation including design documents and manufacturing documentation
  • Prepare reports for customer deliverables
  • Contribute to process improvements related to mechanical engineering

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L3Harris Technologies logo

Senior Mechanical Engineer

L3Harris Technologies

Senior Mechanical Engineer

full-timePosted: Jan 16, 2026

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: Senior Mechanical Engineer

Job Location: Ottawa, ON

Job Schedule: Day Shift

Salary Range: 85 500$ - 135 500$

About your next Challenge as a Senior Mechanical Engineer:

Working as part of a dynamic multi-disciplinary team including hardware, software and systems engineering, the candidate will be responsible for hardware and mechanical designs used within integrated naval and marine communication systems.  The candidate will design and perform engineering analyses on mechanical assemblies and devices such as electronics enclosures, installation hardware, and other ship-fit equipment.  Additional activities will include the ruggedization of Commercial-Off-The-Shelf (COTS) equipment and support to environmental qualification validation and testing.  Key success criteria for this role will include delivering designs that meet the physical and functional requirements for the system, that can be efficiently manufactured, and that are delivered on time and on budget.

What will you do: 

  • Design mechanical and electro-mechanical devices for naval communication systems equipment
  • Ruggedize commercial off-the-shelf equipment
  • Analyze equipment performance for shock and vibration
  • Analyze equipment for thermal performance
  • Ensure mechanical designs meet customer and industry requirements
  • Support the verification and validation of designs and equipment
  • Plan and report on status of work
  • Collaborate with other engineering disciplines and with production staff
  • Develop and maintain technical documentation including design documents and manufacturing documentation
  • Prepare reports for customer deliverables
  • Contribute to process improvements related to mechanical engineering

Required Skills and Experiences:

  • Bachelors Degree in Mechanical Engineering
  • 5+ years of experience in a related field
  • Experience with CAD software (Creo preferred)
  • Experience with Analysis software (Ansys preferred) 
  • Experience reviewing standards

    Preferred additional skills
  • Previous experience working in the defence sector
  • Knowledge and/or experience with military standards for environmental qualification, mechanical, and/or human factors
  • Professional Engineer/EIT or other relevant professional certification

Eligibility Criteria (Mandatory):

·Must be eligible for registration with the Controlled Goods Program;

·Must be eligible to obtain and maintain a government of Canada “Reliability” status and Level 2 (Secret) security clearance.

·Must be eligible to meet the requirements for U.S. International Traffic in Arms Regulations (ITAR).

At L3Harris, we foster an inclusive and equitable workplace. 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. For applicants with disabilities, we will provide you with accommodation so that you have what you need in order to be at your best.

L3Harris performs background checks prior to employment as all applicants must be eligible for registration with the Controlled Goods Program and obtain and maintain a positive security assessment. Some positions may require a government of Canada “Reliability” status and/or Level 2 (Secret) security clearance. In addition, L3Harris performs pre-employment substance abuse testing where required.

Locations

  • Ottawa, ON, United States

Salary

85,500 - 135,500 CAD / yearly

Skills Required

  • Experience with CAD software (Creo preferred)intermediate
  • Experience with Analysis software (Ansys preferred)intermediate
  • Experience reviewing standardsintermediate
  • Analyze equipment performance for shock and vibrationintermediate
  • Analyze equipment for thermal performanceintermediate

Required Qualifications

  • Bachelors Degree in Mechanical Engineering (experience)
  • 5+ years of experience in a related field (experience)
  • Previous experience working in the defence sector (preferred) (experience)
  • Knowledge and/or experience with military standards for environmental qualification, mechanical, and/or human factors (preferred) (experience)
  • Professional Engineer/EIT or other relevant professional certification (preferred) (experience)
  • Must be eligible for registration with the Controlled Goods Program (experience)
  • Must be eligible to obtain and maintain a government of Canada “Reliability” status and Level 2 (Secret) security clearance (experience)
  • Must be eligible to meet the requirements for U.S. International Traffic in Arms Regulations (ITAR) (experience)

Responsibilities

  • Design mechanical and electro-mechanical devices for naval communication systems equipment
  • Ruggedize commercial off-the-shelf equipment
  • Analyze equipment performance for shock and vibration
  • Analyze equipment for thermal performance
  • Ensure mechanical designs meet customer and industry requirements
  • Support the verification and validation of designs and equipment
  • Plan and report on status of work
  • Collaborate with other engineering disciplines and with production staff
  • Develop and maintain technical documentation including design documents and manufacturing documentation
  • Prepare reports for customer deliverables
  • Contribute to process improvements related to mechanical engineering

Target Your Resume for "Senior Mechanical Engineer" , L3Harris Technologies

Get personalized recommendations to optimize your resume specifically for Senior Mechanical Engineer. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Senior Mechanical Engineer" , L3Harris Technologies

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score
Quiz Challenge

Answer 10 quick questions to check your fit for Senior Mechanical Engineer @ L3Harris Technologies.

10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.