{"id":3907357,"url":"https://alion.io/job/optim-g-mechanical-engineers-mining-underground-experience-intermediate-and-senior-positions","title":"Mechanical Engineers - Mining & Underground Experience (Intermediate and Senior positions)","company":{"id":4497696,"name":"Optim-G","domain":null,"url":"https://alion.io/company/optim-g-pty-ltd-ta-optim-g","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":{"grade":"A","score":100,"open_postings":5,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":5,"computed_at":"2026-11-15T07:52:55Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Johannesburg, South Africa"],"countries":["ZA"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":80000,"max":120000,"currency":"ZAR","period":"month","gross":true,"usd_annual":87252},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-28T14:11:12Z","employer_posted_date":null,"last_verified_at":"2026-10-28T14:11:12Z","board_verified":false,"closed_at":null,"days_open":18,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":18},"description":"Introduction\nMechanical Engineers – Mining & Underground Experience\n\nLocation: Centurion, Gauteng\n\nEmployment Type: Permanent\n\nPositions Available: 2 × Intermediate Mechanical Engineers | 1 × Senior Mechanical Engineer\n\nWork Model: Office-based for the first 6 months, followed by a hybrid working model\n\nAbout the Role\n\nA leading engineering consultancy is seeking Mechanical Engineers with strong mining experience and specific underground mining exposure to join its growing engineering team.\n\nThese positions will suit technically strong Mechanical Engineers who have experience working on mining capital projects, EPCM projects and/or multidisciplinary engineering projects, with a particular focus on underground mining environments.\n\nThe successful candidates will be involved across the engineering project lifecycle, including concept and detailed design, engineering calculations, equipment selection, procurement support, construction and commissioning.\n\nThe Senior Mechanical Engineer will take greater technical ownership of projects, provide engineering guidance to junior team members and play a key role in technical reviews and project delivery.\n\nIf you are a Mechanical Engineer with genuine underground mining experience and are looking for an opportunity to grow within a project-driven engineering environment, we would like to hear from you.\n\nDuties & Responsibilities\nKey Responsibilities\n\n Perform mechanical engineering design and calculations for mining and minerals processing projects.\n\n Develop mechanical layouts, equipment arrangements and material handling systems.\n\n Prepare equipment datasheets, technical specifications and engineering documentation.\n\n Apply relevant engineering codes, standards and project specifications.\n\n Support equipment selection and provide technical input into procurement activities.\n\n Review and evaluate vendor technical submissions and documentation.\n\n Participate in design reviews, interdisciplinary coordination and constructability assessments.\n\n Liaise with other engineering disciplines to ensure effective design integration.\n\n Provide technical support during construction, installation and commissioning.\n\n Investigate and resolve technical queries and engineering issues arising during project execution.\n\n Conduct site visits and provide practical engineering support where required.\n\n Assist with project close-out, including as-built documentation and technical handover.\n\n For the Senior position: provide technical leadership, review engineering deliverables and mentor less experienced engineers.\n\nDesired Experience & Qualification\n\n BEng / BSc in Mechanical Engineering.\n\n Minimum 5 years' relevant mechanical engineering experience for the Intermediate positions.\n\n Greater experience and demonstrated technical/project leadership capability for the Senior position.\n\n Proven experience within the mining industry is essential.\n\n Specific underground mining experience is essential. Experience in underground mining projects and infrastructure.\n\n Experience with mechanical equipment, materials handling systems and associated mining infrastructure.\n\n Experience within EPCM, consulting engineering or mining project environments.\n\n Strong understanding of mechanical engineering principles, design practices and applicable standards.\n\n Ability to interpret engineering drawings, specifications and technical documentation.\n\n Strong problem-solving and technical analysis skills.\n\n Ability to work effectively within multidisciplinary project teams.\n\nAdvantageous\n\n ECSA registration or Candidate Engineer registration.\n\n Minerals processing experience.\n\n Experience with materials handling systems, conveying systems, pumps, ventilation or other mining-related mechanical systems.\n\n Experience supporting construction and commissioning activities.\n\n Experience working on multidisciplinary capital projects from design through to implementation.\n\nSenior Mechanical Engineer – Additional Requirements\n\nThe Senior position will suit an engineer who can demonstrate:\n\n Strong technical ownership of mechanical engineering deliverables.\n\n Experience leading mechanical engineering workstreams on mining projects.\n\n Ability to review and approve technical calculations, designs and specifications.\n\n Experience coordinating mechanical engineering activities with other disciplines.\n\n Ability to mentor and provide technical guidance to intermediate and junior engineers.\n\n Strong client-facing and stakeholder management capability.\n\nPackage & Remuneration\nIntermediate Mechanical Engineers: R80 000 – R120 000 CTC per month, plus annual performance based bonus. \n\nSenior Mechanical Engineer: R120 000 – R180 000 per month, plus annual performance based bonus.","description_format":"text","description_chars":4741,"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":["Hybrid work","Performance based bonus"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Recruiting & Staffing","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-11-07T03:58:45Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":0.85,"p_active":0.266,"p_room":0.35,"age_days":17,"expected_fill_days":5,"reasons":["seen:17","agency","velocity","win:tail"],"computed_at":"2026-11-15T07:52:55Z"},"pay":{"stated_usd_annual":87252,"is_top_pay":false},"html_url":"https://alion.io/job/optim-g-mechanical-engineers-mining-underground-experience-intermediate-and-senior-positions","json_url":"https://alion.io/job/optim-g-mechanical-engineers-mining-underground-experience-intermediate-and-senior-positions.json","meta":{"generated_at":"2026-11-15T20:58:32Z","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":15775,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-16T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":4497696},"rest":"https://alion.io/mcp/rest/get_company?id=4497696"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Foptim-g-mechanical-engineers-mining-underground-experience-intermediate-and-senior-positions"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"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%2Foptim-g-mechanical-engineers-mining-underground-experience-intermediate-and-senior-positions"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Foptim-g-mechanical-engineers-mining-underground-experience-intermediate-and-senior-positions"},{"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/optim-g-mechanical-engineers-mining-underground-experience-intermediate-and-senior-positions\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Foptim-g-mechanical-engineers-mining-underground-experience-intermediate-and-senior-positions"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3907357}},{"tool":"search_jobs","arguments":{"company":4497696,"detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3907357},"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. Docs: https://alion.io/developers"}}