{"id":822664,"url":"https://alion.io/job/adterra-reservoir-engineer","title":"Reservoir Engineer","company":{"id":669861,"name":"Ad Terra","domain":"adterra.com","url":"https://alion.io/company/adterra-2","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"BambooHR","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Kuala Lumpur, Malaysia"],"countries":["MY"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":9000,"max_usd":18000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":12},"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Microsoft Office","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-08-20T00:00:00Z","employer_posted_date":"2026-08-20","last_verified_at":"2026-11-10T07:47:14Z","board_verified":true,"closed_at":null,"days_open":82,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":82},"description":"We are looking for a Reservoir Engineer to join Ad Terra’s regional office in Kuala Lumpur.\nAs part of the Reservoir Engineering team, you will contribute directly to reservoir evaluation, field development and production optimisation activities across our projects. The role is designed for an engineer with 2-5 years of experience who has developed solid technical foundations and is ready to take increasing ownership of reservoir engineering analyses and project deliverables.\nWorking alongside experienced reservoir engineers and multidisciplinary teams, you will apply reservoir engineering principles to real project challenges, develop your technical judgement, and progressively expand your responsibilities. We’re looking for solid technical foundations paired with real versatility - someone equally comfortable building toward deep reservoir engineering expertise and helping bring AI-assisted forecasting and modelling tools into how the team\nworks.\nWhat You'll Do\nReservoir Performance & Analysis\nAnalyse reservoir and production performance using pressure, production and well data\nPerform material balance, decline curve and other reservoir engineering analyses\nIdentify production trends, uncertainties and potential optimisation opportunities\nContribute to reserves and resource evaluations and associated technical assessments\nData & Quality Control\nGather, validate and interpret subsurface, production and well data\nAssess data consistency and identify gaps or uncertainties affecting reservoir evaluations\nContribute to the definition of data acquisition and surveillance requirements\nMaintain clear and traceable technical datasets and assumptions\nReservoir Modelling & Forecasting\nBuild, update and quality-check reservoir engineering models\nContribute to history matching and reservoir model calibration\nPerform production forecasts and scenario evaluations\nRun sensitivity analyses to assess reservoir uncertainties and development options\nInterpret modelling results and translate them into practical engineering conclusions\nAI & Digital Tools\nApply and help develop AI/ML-assisted production forecasting, decline-curve, and history-matching automation tools\nEvaluate and pilot emerging AI tools to accelerate reservoir engineering analyses, scenario testing, and reporting\nContribute reservoir engineering domain expertise to Ad Terra's digital subsurface intelligence initiatives\nField Development & Production Optimisation\nContribute to field development studies and evaluation of development concepts\nAssess well performance and potential production optimisation opportunities\nSupport well planning, intervention and surveillance activities from a reservoir engineering perspective\nContribute reservoir engineering input to multidisciplinary technical decisions\nTechnical Delivery & Projects\nTake ownership of defined reservoir engineering analyses and work packages\nPrepare technical notes, reports, presentations, maps, tables and supporting documentation\nPresent and discuss technical findings with project teams\nTrack assigned deliverables, assumptions, uncertainties and deadlines\nContribute actively to internal and client project meetings\nCollaboration & Development\nWork closely with geoscientists, drilling, production and other engineering disciplines\nSeek technical review and guidance where appropriate while progressively working with greater autonomy\nKeep up to date with reservoir engineering methods, tools and industry developments\nShare knowledge and contribute to the continuous improvement of engineering practices within Ad Terra\nWhat You'll Bring\nUniversity degree (BSc or MSc) in Reservoir Engineering, Petroleum Engineering or a related discipline\n2-5 years of relevant reservoir engineering experience\nPrior exposure to Oil & Gas industry projects (internship, fieldwork, or early-career role) strongly preferred\nGood understanding of reservoir engineering fundamentals and subsurface workflows\nExperience working with production, pressure and reservoir data\nExposure to reservoir modelling, forecasting and/or reserves evaluation\nAbility to analyse technical information and develop sound engineering conclusions\nGood communication and technical reporting skills\nAbility to work effectively within multidisciplinary and international teams\nStrong organisation skills and willingness to take increasing ownership of technical work\nProficiency in relevant reservoir engineering software and Microsoft Office\nComfortable working with and developing AI tools (e.g., Python scripting, ML-assisted forecasting or proxy modelling) to support and automate reservoir engineering analyses\nFamiliarity with PETRONAS Technical Standards (PTS) and the Malaysian upstream regulatory framework is an advantage\nWhat We Offer\nPermanent, full-time local contract with statutory EPF / SOCSO / EIS contributions\nMedical and insurance coverage; competitive annual leave\nStructured mentoring from senior reservoir engineers and exposure to international multi-resource projects across Ad\nTerra's platform (Europe, Canada, Chile, Cyprus, Asia-Pacific)\nThank you for considering joining our team. We look forward to reviewing your application!\nTo apply, please submit your CV and a cover letter outlining your relevant experience.","description_format":"text","description_chars":5263,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Annual leave","Insurance coverage"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-12T13:21:32Z"}],"visa":[],"liveness":{"score":9,"band":"cold","label":"Long shot","p_open":1,"p_active":0.314,"p_room":0.28,"age_days":82,"expected_fill_days":23,"reasons":["conf:5","win:tail","crowd:junior"],"computed_at":"2026-11-10T06:52:35Z"},"pay":null,"html_url":"https://alion.io/job/adterra-reservoir-engineer","json_url":"https://alion.io/job/adterra-reservoir-engineer.json","meta":{"generated_at":"2026-11-10T12:10:29Z","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":28280,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"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":669861},"rest":"https://alion.io/mcp/rest/get_company?id=669861"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fadterra-reservoir-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fadterra-reservoir-engineer"},{"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%2Fadterra-reservoir-engineer"},{"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/adterra-reservoir-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fadterra-reservoir-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":822664}},{"tool":"search_jobs","arguments":{"company":"adterra.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":822664},"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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