{"id":3928152,"url":"https://alion.io/job/gfl-environmental-maintenance-supervisor","title":"Maintenance Supervisor","company":{"id":1802390,"name":"GFL Environmental","domain":"gflenv.com","url":"https://alion.io/company/gflenv","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":75,"open_postings":17,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-07T05:47:08Z"}},"role":"Field & Service","role_family":"Field & Service","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Dartmouth, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-09-17T00:00:00Z","employer_posted_date":"2026-09-17","last_verified_at":"2026-11-07T23:53:19Z","board_verified":true,"closed_at":null,"days_open":52,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":52},"description":"GFL Environmental in Dartmouth, NS, is seeking a skilled, leadership-minded Shop Supervisor to organize daily workflow, mentor technicians, and ensure high-quality, efficient equipment repairs. Operating under limited supervision, the ideal candidate is a Red Seal/Journeyman technician who will work closely with the Fleet Manager to oversee shop operations, drive team accountability, and lead project initiatives. While this is a technical advisory position rather than a hands-on repair role, the supervisor must possess deep diagnostic knowledge to successfully guide, support, and develop the shop team.\nKey Job Duties\nLeadership & Team Operations\nWorkflow & Training: Organize the daily workflow of your assigned shift. Assist in orienting, training, assigning tasks to, and evaluating the work of skilled technicians, providing active technical guidance and troubleshooting mentorship on complex mechanical issues.\nSafety Culture: Promote and maintain a safe work environment by ensuring all team members adhere to safety protocols, wear proper PPE, and keep work areas clean and orderly.\nLeadership Traits: Strong capability to prioritize workshop tasks within a set budget, maintain a high degree of patience, offer constructive criticism, and foster cooperative working relationships.\nDaily Huddles: Hold energetic and informative morning and afternoon huddles with the team to align on daily goals, safety, and priorities.\nProject Management: Take the lead on specialized shop projects; successfully organize execution and report the final results back to leadership.\nWork closely with the Fleet Manager to optimize shop efficiency and maintain alignment with company operational standards.\nAccountability & Compliance\nQuality Assurance: Review completed repair orders to ensure work meets GFL quality and safety standards before equipment is returned to service.\nWarranty Support: Work collaboratively with the Parts Technician to ensure correct warranty procedures are followed and tracked through to completion to maximize fleet compliance and cost recovery.\nTechnical Guidance & Mentorship\nDiagnostic Leadership & Technical Oversight: Serve as the subject matter expert and primary technical advisor for the shop. Provide deep diagnostic expertise across fuel, ignition, cooling, mechanical, suspension, drive train, engine, transmission, hydraulic, electrical, and air brake systems to help technicians isolate complex failures.\nTechnical Guidance & Mentorship: Actively guide, coach, and mentor shop technicians through intricate repair procedures and troubleshooting processes, helping them build their skills rather than performing the physical repairs yourself.\nService Manual & Technical Support: Read, interpret, and explain complex service manuals, technical service bulletins (TSBs), and schematics to assist other technicians in executing accurate and efficient repairs.\nS oftware Documentation & Compliance: Direct the proper use of fleet maintenance software programs to ensure accurate and timely completion of required paperwork (such as DVIRs and M5 work orders). Oversee the precise documentation of repairs, parts utilization, and labor hours.\nExperience & Certifications\nTrade Certification: Valid Red Seal or Journeyman Heavy Duty Mechanic certification (or equivalent relevant trade qualification).\nIndustry Experience: Proven experience working in a heavy equipment or medium/heavy truck fleet environment. Previous leadership or supervisory experience is highly preferred.\nLicensing: Valid driver's license with a clean driving record (air brake endorsement or commercial license is an asset).\nSkills & Tools\nDiagnostic Proficiency: Proficient with advanced electronic diagnostic scan tools, laptop diagnostic software, and specialty fleet troubleshooting programs to isolate issues and guide technicians.\nCommunication: Excellent verbal and written communication skills to effectively translate complex technical data to technicians, management, and parts personnel.\nPhysical & Soft Skills\nPhysical Presence: Ability to safely navigate an active maintenance shop environment daily. Must maintain the mobility required to inspect heavy equipment alongside technicians, work safely around heavy machinery, and provide technical oversight directly at the vehicle or repair bay.\nLeadership Traits: Strong capability to prioritize workshop tasks within a set budget, maintain a high degree of patience, offer constructive feedback to developing technicians, and foster a collaborative, safety-first working relationship.\nWhat We Offer\nCompetitive salary\n\n3 weeks vacation\n\nTool and boot allowance.\n\nUniforms provided.\n\n100% company-paid benefits (no out-of-pocket premiums).\n\nEmployee & Family Assistance Program (EFAP).\n\nRRSP matching program.\n\nCareer development opportunities.\n\nSupportive and inclusive work environment.\n\nWe thank you for your interest. Only those selected for an interview will be contacted.\nGFL is committed to equal opportunity for all, without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, age, veteran status, disability, genetic information, or any other protected characteristic. If you are interested in applying for employment and need special assistance or an accommodation to apply for a posted position, please contact  \nPlease note that GFL does not provide visa sponsorship for this position. Valid work authorization in the country where the job is located is required. Successful candidates will be required to provide valid documentation confirming their eligibility to work in the country where the job is located prior to their start date.\nThis hiring process may utilize machine-based systems to assist in screening and assessing applicants. Final selection decisions are made by our recruitment team.","description_format":"text","description_chars":5865,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Waste Management"],"lifecycle":[{"event":"open","at":"2026-11-07T21:44:40Z"}],"visa":[],"liveness":{"score":13,"band":"cold","label":"Long shot","p_open":1,"p_active":0.478,"p_room":0.28,"age_days":52,"expected_fill_days":21,"reasons":["conf:0","win:tail","crowd:brand"],"computed_at":"2026-11-08T00:11:58Z"},"pay":null,"html_url":"https://alion.io/job/gfl-environmental-maintenance-supervisor","json_url":"https://alion.io/job/gfl-environmental-maintenance-supervisor.json","meta":{"generated_at":"2026-11-08T00:11:58Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":450,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-09T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1802390},"rest":"https://alion.io/mcp/rest/get_company?id=1802390"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fgfl-environmental-maintenance-supervisor"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fgfl-environmental-maintenance-supervisor"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fgfl-environmental-maintenance-supervisor"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/gfl-environmental-maintenance-supervisor\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fgfl-environmental-maintenance-supervisor"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3928152}},{"tool":"search_jobs","arguments":{"company":"gflenv.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3928152},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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