{"data":{"id":195983,"slug":"doktorand-3","type":"job","title":"PhD Student","description":"Department of Water and Environment\nDoctoral Field of Study:\nEnvironmental Analysis with focus on Environmental Chemistry\nDescription of the PhD Project:\nThis PhD project aims to increase understanding of emerging contaminants in soil matrices through advanced chemical screening and source-oriented approaches for chemical prioritization. The project will investigate the occurrence, distribution, and transformation of contaminants in soil and how these processes can be used to identify substances relevant to terrestrial ecosystems and One Health. The project will focus on one or several selected soil systems, depending on sample availability, collaborations, and scientific relevance.\nThe project encompasses: i) selection of relevant soil systems, soil matrices, and emerging contaminants based on occurrence data, chemical properties, environmental persistence, mobility, and available samples; ii) application of target-, suspect-, and non-target screening with LC-HRMS to identify known and previously unknown substances in selected soil matrices; iii) analysis of spatial patterns, persistence, and transformation of contaminants when appropriate data and samples are available; iv) use of samples from environmental biobanks, where available, to investigate temporal trends and enable retrospective screening; and v) linking measured chemical patterns to possible environmental sources and the processes governing contaminant distribution and fate in the environment.\nYou will work in an international and interdisciplinary team. The project provides access to advanced instrumentation and training in sample preparation, HRMS-based chemical analysis, data processing, statistical evaluation, scientific communication, and research collaboration.\nDuties:\nWe are seeking a PhD student who wants to contribute to increased understanding of emerging contaminants in soil matrices, with particular focus on contaminant occurrence, persistence, transformation, mobility, and advanced chemical screening. To achieve this, you will develop and apply analytical workflows for detection and identification of known and previously unknown compounds in complex soil matrices, including strategies for sample preparation, extraction, and purification. The project will also include semi-quantitative analysis of detected compounds and assessment of spatial and temporal patterns, persistence, and transformation of contaminants in selected soil systems. Where appropriate samples are available, material from environmental biobanks can be used to investigate temporal trends and enable retrospective screening. Tasks include preparation of soil and environmental samples, extraction and analysis of target and non-target compounds, optimization of analytical workflows, processing of large HRMS datasets, data analysis, statistical evaluation, interpretation of chemical patterns in relation to environmental sources and contaminant fate in the environment, collaboration with national and international partners, and authoring of scientific manuscripts in English.\nQualifications:\nBasic eligibility is held by those who have completed a degree at an advanced level, completed course requirements of at least 240 credits, of which at least 60 credits at an advanced level, or who in another way within or outside the country have acquired substantially equivalent knowledge (Swedish Higher Education Ordinance, Chapter 7 \u00a7 39).\nSpecial eligibility for admission to doctoral studies in Environmental Analysis with focus on Environmental Chemistry is held by those who have knowledge in aquatic ecology, aquatic biogeochemistry, statistics, or ecotoxicology.\nAdditionally, you must have knowledge of English equivalent to a passing grade in English B\/6 from a Swedish upper secondary school.\nYour Background:\nWe are looking for someone with an MSc\/Master's degree in analytical chemistry, environmental chemistry, chemistry, environmental science, soil science, geoscience, or equivalent. Specialization in chemical analysis of organic contaminants and experience with LC-MS\/MS, LC-HRMS, or other advanced mass spectrometric techniques are meritorious. Experience with suspect- and non-target screening workflows is highly meritorious. Previous experience with chemical analytical laboratory work, particularly with complex environmental matrices such as soil, sediment, sludge, compost, or other solid environmental samples, is meritorious. Knowledge of emerging environmental contaminants and their fate in the environment, persistence, transformation, mobility, sorption, or transport in soil systems is meritorious. Experience with source apportionment, spatial or temporal trend analysis, retrospective screening, or work with samples from environmental biobanks is also meritorious. Knowledge of data processing using statistical programming and tools for visualization and data analysis (e.g., R, Python, or equivalent) is also meritorious. Great emphasis will also be placed on personal qualities such as good collaboration skills, analytical ability and problem-solving skills, accuracy, motivation, and the ability to work independently as well as in collaboration with others.\nAbout Us:\nMore information about the department: http:\/\/www.slu.se\/vatten-miljo\nRead more about our benefits and what it is like to work at SLU at https:\/\/www.slu.se\/om-slu\/jobba-pa-slu\/\nRead more about SLU's doctoral education at http:\/\/www.slu.se\/utbildning\/program-kurser\/forskarutbildning\/.\nEmployment Form and Salary:\n \nEmployment as a PhD student (4 years of education).\n \nThe salary for the PhD student position follows local collective agreement with fixed salary steps.\nExtent:\n \n100%\n \nLocation:\n \nUppsala\n \nStart Date:\n \nBy agreement.\n \nApplication and Selection:\n \nWelcome to submit your application via the application button below no later than 2026-09-18.\n \nRead more about the attachments your application should contain at https:\/\/www.slu.se\/utbildning\/studera\/forskarutbildning\/hur-kan-jag-bli-doktorand\/ansokan-och-bilagor\/\nSelection among eligible applicants will be based on the attachments submitted with the application and shall be made with consideration for the ability to complete the education within the set time.\nTrade Union Contact Persons\nhttps:\/\/internt.slu.se\/min-anstallning\/facket\/kontaktpersoner\/","language":"sv","is_translated":true,"title_original":"Doktorand","description_original":"Institutionen f\u00f6r vatten och milj\u00f6\nForskarutbildnings\u00e4mne:\nMilj\u00f6analys med inriktning mot milj\u00f6kemi\nBeskrivning av doktorandprojektet:\nDetta doktorandprojekt syftar till att \u00f6ka f\u00f6rst\u00e5elsen f\u00f6r framv\u00e4xande milj\u00f6f\u00f6roreningar (contaminants of emerging concern) i jordmatriser genom avancerad kemisk screening och k\u00e4llorienterade angreppss\u00e4tt f\u00f6r kemisk prioritering. Projektet kommer att unders\u00f6ka f\u00f6rekomst, f\u00f6rdelning och omvandling av f\u00f6roreningar i jord samt hur dessa processer kan anv\u00e4ndas f\u00f6r att identifiera \u00e4mnen som \u00e4r relevanta f\u00f6r terrestra ekosystem och One Health. Projektet kommer att fokusera p\u00e5 ett eller flera utvalda jordsystem, beroende p\u00e5 tillg\u00e5ngen till prover, samarbeten och vetenskaplig relevans.\nProjektet omfattar: i) urval av relevanta jordsystem, jordmatriser och framv\u00e4xande milj\u00f6f\u00f6roreningar baserat p\u00e5 f\u00f6rekomstdata, kemiska egenskaper, milj\u00f6persistens, mobilitet och tillg\u00e4ngliga prover; ii) till\u00e4mpning av target-, suspect- och non-target-screening med LC-HRMS f\u00f6r att identifiera k\u00e4nda och tidigare ok\u00e4nda \u00e4mnen i utvalda jordmatriser; iii) analys av rumsliga m\u00f6nster, persistens och omvandling av f\u00f6roreningar n\u00e4r l\u00e4mpliga data och prover finns tillg\u00e4ngliga; iv) anv\u00e4ndning av prover fr\u00e5n milj\u00f6provbanker, d\u00e4r s\u00e5dana finns tillg\u00e4ngliga, f\u00f6r att unders\u00f6ka tidsm\u00e4ssiga trender och m\u00f6jligg\u00f6ra retrospektiv screening; samt v) koppling av uppm\u00e4tta kemiska m\u00f6nster till m\u00f6jliga milj\u00f6k\u00e4llor och de processer som styr f\u00f6roreningarnas f\u00f6rdelning och \u00f6de i milj\u00f6n.\nDu kommer att arbeta i ett internationellt och tv\u00e4rvetenskapligt team. Projektet ger tillg\u00e5ng till avancerad instrumentering samt utbildning inom provberedning, HRMS-baserad kemisk analys, databearbetning, statistisk utv\u00e4rdering, vetenskaplig kommunikation och forskningssamarbete.\nArbetsuppgifter:\nVi s\u00f6ker en doktorand som vill bidra till \u00f6kad f\u00f6rst\u00e5else av framv\u00e4xande milj\u00f6f\u00f6roreningar i jordmatriser, med s\u00e4rskilt fokus p\u00e5 f\u00f6roreningars f\u00f6rekomst, persistens, omvandling, mobilitet och avancerad kemisk screening. F\u00f6r att uppn\u00e5 detta kommer du att utveckla och till\u00e4mpa analytiska arbetsfl\u00f6den f\u00f6r detektion och identifiering av k\u00e4nda och tidigare ok\u00e4nda f\u00f6reningar i komplexa jordmatriser, inklusive strategier f\u00f6r provberedning, extraktion och rening. Projektet kommer \u00e4ven att omfatta semikvantitativ analys av detekterade f\u00f6reningar samt bed\u00f6mning av rumsliga och tidsm\u00e4ssiga m\u00f6nster, persistens och omvandling av f\u00f6roreningar i utvalda jordsystem. D\u00e4r l\u00e4mpliga prover finns tillg\u00e4ngliga kan material fr\u00e5n milj\u00f6provbanker anv\u00e4ndas f\u00f6r att unders\u00f6ka tidsm\u00e4ssiga trender och m\u00f6jligg\u00f6ra retrospektiv screening. Arbetsuppgifterna omfattar \u00e4ven beredning av jord- och milj\u00f6prover, extraktion och analys av target- och non-target-f\u00f6reningar, optimering av analytiska arbetsfl\u00f6den, bearbetning av stora HRMS-dataset, dataanalys, statistisk utv\u00e4rdering, tolkning av kemiska m\u00f6nster i relation till milj\u00f6k\u00e4llor och f\u00f6roreningars \u00f6de i milj\u00f6n, samarbete med nationella och internationella partners samt f\u00f6rfattande av vetenskapliga manuskript p\u00e5 engelska.\nBeh\u00f6righet:\nGrundl\u00e4ggande beh\u00f6righet har den som har avlagt en examen p\u00e5 avancerad niv\u00e5, fullgjort kursfordringar om minst 240 hp, varav minst 60 hp p\u00e5 avancerad niv\u00e5, eller som p\u00e5 annat s\u00e4tt inom eller utom landet har f\u00f6rv\u00e4rvat i huvudsak motsvarande kunskaper (h\u00f6gskolef\u00f6rordningen, kap. 7 \u00a7 39).\nS\u00e4rskild beh\u00f6righet att antas till forskarutbildningen i \u00e4mnet Milj\u00f6analys inriktning milj\u00f6kemi har den som har kunskaper inom akvatisk ekologi, akvatisk biogeokemi, statistik eller ekotoxikologi.\nDessutom kr\u00e4vs att du har kunskaper i engelska som motsvarar godk\u00e4nt betyg i Engelska B\/6 fr\u00e5n svenskt gymnasium.\nDin bakgrund:\nVi s\u00f6ker dig som har en MSc\/masterexamen i analytisk kemi, milj\u00f6kemi, kemi, milj\u00f6vetenskap, markvetenskap, geovetenskap eller motsvarande. Specialisering inom kemisk analys av organiska f\u00f6roreningar samt erfarenhet av LC-MS\/MS, LC-HRMS eller andra avancerade masspektrometriska tekniker \u00e4r meriterande. Erfarenhet av arbetsfl\u00f6den f\u00f6r suspect- och non-target-screening \u00e4r mycket meriterande. Tidigare erfarenhet av kemiskt analytiskt laboratoriearbete, s\u00e4rskilt arbete med komplexa milj\u00f6matriser s\u00e5som jord, sediment, slam, kompost eller andra fasta milj\u00f6prover, \u00e4r meriterande. Kunskap om framv\u00e4xande milj\u00f6f\u00f6roreningar samt deras \u00f6de i milj\u00f6n, persistens, omvandling, mobilitet, sorption eller transport i jordsystem \u00e4r meriterande. Erfarenhet av k\u00e4llf\u00f6rdelning (source apportionment), analys av rumsliga eller tidsm\u00e4ssiga trender, retrospektiv screening eller arbete med prover fr\u00e5n milj\u00f6provbanker \u00e4r ocks\u00e5 meriterande. Kunskaper i databearbetning med hj\u00e4lp av statistisk programmering samt verktyg f\u00f6r visualisering och dataanalys (t.ex. R, Python eller motsvarande) \u00e4r ocks\u00e5 meriterande. Stor vikt kommer \u00e4ven att l\u00e4ggas vid personliga egenskaper s\u00e5som god samarbetsf\u00f6rm\u00e5ga, analytisk f\u00f6rm\u00e5ga och probleml\u00f6sningsf\u00f6rm\u00e5ga, noggrannhet, motivation samt f\u00f6rm\u00e5ga att arbeta sj\u00e4lvst\u00e4ndigt s\u00e5v\u00e4l som i samarbete med andra.\nOm oss:\nMer information om institutionen:\u00a0http:\/\/www.slu.se\/vatten-miljo\nL\u00e4s mer om v\u00e5ra f\u00f6rm\u00e5ner och hur det \u00e4r att jobba inom SLU p\u00e5\u00a0https:\/\/www.slu.se\/om-slu\/jobba-pa-slu\/\nL\u00e4s mer om SLU:s forskarutbildning p\u00e5 http:\/\/www.slu.se\/utbildning\/program-kurser\/forskarutbildning\/.\nF\u00f6rs\u00f6rjningsform och l\u00f6n:\n\u00a0\nAnst\u00e4llning som doktorand\u00a0(4 \u00e5rs utbildning).\n\u00a0\nL\u00f6nen f\u00f6r doktorandanst\u00e4llningen f\u00f6ljer lokalt kollektivavtal med fasta l\u00f6nesteg.\nOmfattning:\n\u00a0\n100%\n\u00a0\nPlacering:\n\u00a0\nUppsala\n\u00a0\nTilltr\u00e4de:\u00a0\n\u00a0\nEnligt \u00f6verenskommelse.\n\u00a0\nAns\u00f6kan och urval:\u00a0\n\u00a0\nV\u00e4lkommen med din ans\u00f6kan via ans\u00f6kningsknappen nedan senast 2026-09-18.\n\u00a0\nL\u00e4s mer om de bilagor som din ans\u00f6kan ska inneh\u00e5lla p\u00e5\u00a0https:\/\/www.slu.se\/utbildning\/studera\/forskarutbildning\/hur-kan-jag-bli-doktorand\/ansokan-och-bilagor\/\nUrval bland beh\u00f6riga s\u00f6kande sker baserat p\u00e5 de bilagor som bifogas i ans\u00f6kan, och ska g\u00f6ras med h\u00e4nsyn till f\u00f6rm\u00e5ga att slutf\u00f6ra utbildningen inom utsatt tid.\nFackliga kontaktpersoner\nhttps:\/\/internt.slu.se\/min-anstallning\/facket\/kontaktpersoner\/","price":null,"currency":"SEK","status":"active","noindex":true,"location":{"address":null,"full_address":null,"city":"Uppsala","country":"SE","latitude":59.8520701,"longitude":17.7188369},"metadata":{"region":"Uppsala l\u00e4n","duration":"6 m\u00e5nader eller l\u00e4ngre","employer":"Sveriges Lantbruksuniversitet","postcode":"75007","positions":1,"profession":"Doktorand","salary_type":"R\u00f6rlig ackords- eller provisionsl\u00f6n","employer_url":"https:\/\/www.slu.se\/","scope_of_work":"100\u2013100 %","working_hours":"Heltid","contact_person":"Lutz Ahrens","employment_type":"full_time","occupation_field":"Pedagogik","employer_workplace":"Sveriges Lantbruksuniversitet (SLU)","experience_required":true,"employment_type_label":"Vanlig anst\u00e4llning"},"user_id":null,"is_sponsored":false,"views_count":4,"ai_views_count":11,"bot_views_count":2,"ai_vendor_counts":{"meta":4,"other":4,"openai":1,"anthropic":2},"visibility":"public","submission_source":null,"submission_ai_name":null,"has_owner_email":true,"can_contact_owner":true,"phone":"+4618673033","owner_email":"lutz.ahrens@slu.se","images":[],"published_at":"2026-09-04T14:43:14+00:00","expires_at":"2026-09-18T23:59:59+00:00","created_at":"2026-09-05T03:34:29+00:00","updated_at":"2026-09-16T03:03:42+00:00"}}