Junior for our Sustainability and Emerging Assurance team



Posting Start Date: 20/08/2026



Company: Deloitte Audit



Job Function: Audit & Assurance



Level of Experience: Entry-level



Contract Type: Open-term



Req ID: 13527



Job Description:




On site




Full time




Your future team



The regulatory landscape around corporate sustainability is evolving at an unprecedented pace, placing ESG reporting quality and independent assurance at the heart of investor and stakeholder confidence.



Deloitte Luxembourg's Audit & Assurance practice is actively growing its Sustainability & Specialized Assurance team to help organizations navigate, manage and report on their sustainability performance with quality and rigor. Our client base spans financial services, corporate and industrial sectors, as well as public and international organizations. By joining us, you'll have the opportunity to make an impact that matters by helping organizations build trust, drive transparency and contribute to a more sustainable economy.



As a Junior ESG Assurance professional, you will contribute to sustainability assurance and advisory engagements for Luxembourgish and international clients, supporting the delivery of high-quality work across a range of regulatory frameworks. You will help ensure the reliability and consistency of sustainability information disclosed in clients' annual and sustainability reports, under the guidance of experienced senior colleagues.




Your advantages of joining us

• Work on high-impact ESG engagements alongside recognized experts in a dynamic, innovative team


• Join a practice at the forefront of European sustainability regulation and reporting


• Grow your career with access to Deloitte's world-class learning ecosystem including tailored sustainability training, professional certifications and leadership development programmes


• Connect with a global network and tap into Deloitte's worldwide sustainability community of practice, cross-border projects and career mobility opportunities


• Thrive in an inclusive, multicultural environment where 98 nationalities collaborate and diverse perspectives fuel innovation


• Benefit from a competitive and personalized rewards package through Deloitte's flexible benefits programme

How you'll contribute to our success



No two days are the same. Here's an overview of the responsibilities you can expect:

• Support audit-readiness and assurance of sustainability disclosures under key regulations such as SFDR (including SFDR 2.0), EU Taxonomy and CSRD/ESRS


• Apply Deloitte's ESG assurance methodology (aligned with ISAE 3000 and ISSA 5000) to assess governance, strategy, double materiality, EU Taxonomy eligibility/alignment and ESG data flows and controls, including testing key ESG indicators and data quality


• Contribute to clear and structured deliverables (reports, management letters, presentations and assurance documentation), formalizing approach, procedures and conclusions for areas under your responsibility


• Support ESG advisory missions (e.g., Article 8 and 9 fund strategies, SFDR reporting, gap assessments, ESG reporting tools and EU Taxonomy disclosures) and collaborate with other Audit & Assurance teams on related engagements


• Assist with proposals, regulatory and market monitoring, research, studies and internal projects, actively participating in team life and knowledge-sharing to further develop Deloitte's ESG assurance offering

Your skills




Must have

• Master's degree in sustainability, economics, finance, accounting or a similar field


• Foundational knowledge of key European sustainability reporting regulations (e.g., CSRD, ESRS, SFDR, EU Taxonomy)


• Strong analytical skills and attention to detail, with the ability to work with quantitative and qualitative data

Nice to have

• Initial experience or internships in audit, assurance or sustainability reporting


• Familiarity with voluntary sustainability frameworks (e.g., UN SDGs, GRI, TCFD, TNFD, UN PRI)


• Additional languages, particularly Luxembourgish or French

Interested? Please submit your resume in English



Get to know more about Deloitte on our LinkedIn page (#DeloitteLU), Instagram page, YouTube page or website.



With more than 2,600 employees and 98 nationalities, Deloitte Luxembourg is one of the Grand Duchy's largest, strongest and oldest professional services firms. For more than 75 years, our talented teams have been serving clients in various industries delivering high added-value offerings to national and international clients in audit and assurance, consulting, financial advisory, risk advisory, tax, and related services. Deloitte Luxembourg is part of the global Deloitte network.



Deloitte provides leading professional services to nearly 90% of the Fortune Global 500® and thousands of private companies. Our people deliver measurable and lasting results that help reinforce public trust in capital markets and enable clients to transform and thrive. Building on its 180+-year history, Deloitte spans more than 150 countries and territories. Learn how Deloitte's over 470,000 people worldwide work together every day to make an impact that matters at www.deloitte.com.