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Salary
$41k – $76k per year
Location
In office (Mirabel)
Seniority
Senior · 6+ years exp
Visa
Sponsors visas in United States; no register of this country names it

Confirmed on the employer's own hiring board on Nov 8, 2026. First seen by Alion on Nov 5, 2026. L3Harris Technologies scores A on the Alion truth index.

Overview
Company
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Profile match
L3Harris Technologies is an American defense contractor formed in 2019 by the merger of L3 Technologies and Harris Corporation. It builds tactical radios and military communication systems, electronic warfare and intelligence, surveillance and reconnaissance equipment, space sensors and satellites, night vision devices, and uncrewed surface vessels, and owns the rocket engine maker Aerojet Rocketdyne. Its main customers are the United States Department of Defense and allied governments. The company is headquartered in Melbourne, Florida, United States.

Job Title: Maintenance Planner

Job Location:Mirabel, QC

Job Code: 47342

Job Schedule:DayShift

Compensation Range: Between $57,500 - $107,500CDN annually

Reporting to the Maintenance Supervisor, the Maintenance Planner is responsible for planning, coordinating, and optimizing maintenance activities to ensure equipment availability and reliability. The incumbent acts as a business partner to various departments by providing advisory services tailored to their operational needs. Working closely with maintenance, operations, procurement teams, and external suppliers, the Maintenance Planner helps ensure process efficiency, effective priority management, and the implementation of solutions that support continuous operational improvement.

Essential Functions:

  • Define, document, and revise production and maintenance planning processes.
  • Map and improve various business processes in collaboration with stakeholders from different departments.
  • Anticipate future needs and make recommendations to management regarding upcoming improvement initiatives.
  • Implement work tools that enhance planning processes.
  • Develop and maintain key performance indicators (KPIs) and ensure high performance standards are maintained.
  • Act as a process subject matter expert during audits, impact assessments, and corrective action requests.
  • Provide support and consulting services to various departments to meet their maintenance and planning needs.
  • Coordinate activities between maintenance, operations, and other stakeholders.
  • Serve as the primary point of contact for maintenance requests from various departments and ensure priorities are appropriately managed.
  • Collaborate with external vendors to resolve technical issues, obtain quotations, and ensure the availability of required parts, equipment, and services.
  • Monitor vendor activities and ensure compliance with quality, cost, and schedule requirements.
  • Participate in evaluating vendor solutions and identifying new technologies that support organizational needs.
  • Maintain effective relationships with internal and external partners to facilitate the timely resolution of operational issues.
  • Manage and follow up on urgent requests while minimizing operational impacts.
  • Plan and coordinate preventive, corrective, and predictive maintenance activities to ensure equipment reliability.
  • Optimize maintenance schedules by considering resource availability, parts availability, and operational constraints.

Qualifications:

Requires practical knowledge of job area.

Bachelor’s Degree and a minimum of 2 years of prior related experience.

Graduate Degree or equivalent with 0 to 2 years of prior related experience. In lieu of a degree, minimum of 6 years of prior related experience.

Eligibility Criteria:

  • Must be eligible for registration with the Controlled Goods Program;
  • Must be eligible to obtain and maintain a government of Canada Reliability status and Secret Level 2/NATO Secret security clearance;
  • Must be eligible to meet the requirements for U.S. International Traffic in Arms Regulations (ITAR).

L3Harris is proud to be an equal opportunity employer and is committed to treating all of its employees and job applicants with respect and dignity and to maintaining a workplace free from discrimination. Anyone applying for a position will be considered without regard to the following: race, national or ethnic origin, colour, religion, age, nationality, ancestry, ethnicity, gender, sex, sexual orientation, gender identity or expression, marital status, family status, genetic characteristics, disability, citizenship status, or conviction for an offence for which a pardon has been granted or in respect of which a record suspension has been ordered, or any other characteristic that is protected by applicable human rights legislation.

L3Harris maintains a drug-free workplace and conducts pre-employment drug and alcohol testing and background checks, in accordance with applicable law. Such results are only accessible and viewed by individuals at L3Harris who have direct responsibility in the hiring process. If you fail to report for a drug and alcohol test, refuse to undergo such test or test positive for the presence of drugs or alcohol, the hiring process may be concluded or your offer of employment may be rescinded, in L3Harris’ sole discretion.

This job is for an existing vacancy

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