Job Description Senior Tax Compliance Specialist CSC, Luxembourg Full Time (40h/week) Hybrid (3 days/week onsite) Position Overview We are looking for a Senior Tax Compliance Officer with a solid background in the Luxembourg investment fund industry to manage and prepare tax compliance returns for a diverse portfolio of fund structures and their holding entities. Key Responsibilities Tax Return Preparation & Review - Prepare corporate income tax and municipal business tax returns for fund structures and their holding companies (Form 500 and 205). - Coordinate with accountants to ensure correct year-end tax reporting figures. - Ensure correct application of Luxembourg domestic tax rules and fund-specific tax regimes. - Assist senior colleagues on ad-hoc tax queries, and finalization of tax returns. - Maintain tax compliance calendars and ensure timely filings. Profile & Qualifications Technical Skills - Degree in Tax, Accounting, Finance, Economics, or a related field. - 3-4 years of experience in accounting/tax, ideally within fund administration. - Strong understanding of: - Luxembourg corporate tax returns (IRC/ICC) and Net wealth tax compliance - Fund structures and vehicle types (SOPARFI, SPV, SCSp/SCS, SICAR, SIF, RAIF). - Luxembourg tax legislation and administrative practices. Soft Skills - Strong analytical and numerical skills. - High attention to detail and excellent organizational skills. - Client-focused mindset and ability to meet tight deadlines. - Team spirit and work effectively with colleagues to achieve shared objectives. #INDGB About Us At CSC®, we're always looking ahead, finding ways to improve and anticipate the future needs of our customers. Curiosity fuels our innovation and productivity drives our results. This proactive mindset has helped us adapt and create solutions that have enabled businesses to run smoother and smarter for more than 120 years. CSC is committed to attracting, developing, and retaining talented people whose personal values align with ours. We empower our employees to bring the right solutions to market to meet customer demand. That is why we are the premier provider of global solutions for more than 180,000 businesses. - CSC is a great place to work with smart and dedicated people. - We have been voted a Top Workplace every year since 2006. - We offer challenging work and career opportunities. Most positions are filled with internal moves and employee referrals. - Employees are eligible for success sharing, bonus, or commission plans based on role and individual performance. - CSC offers a competitive and comprehensive benefits package as part of your Total Rewards that includes annual leave, tuition reimbursement, employee referral bonuses, and more. When applying for this role, please note that additional background checks may be carried out and an original of your criminal record (n*3) may be requested as evidence of integrity justified with regard to the specific needs of the position to be filled. About the Team At CSC®, we're always looking ahead, finding ways to innovate, challenge the status quo, and anticipate the needs of our clients. We exceed expectations by adapting client ambitions and goals as our own. This Fierce Client Spirit has helped us adapt and create solutions that have enabled businesses to run smoother and smarter for more than 125 years. It's also the reason we're the trusted partner of many of the world's most successful organizations. CSC is committed to attracting, developing, and retaining talented people whose values align with ours. We empower our colleagues to bring the right solutions to market to meet client demand. That's why we are the leading provider of business administration and compliance solutions. - CSC is a great place to work with smart and dedicated people. - We have won several employer recognition awards, including Top Workplace USA, Great Places to Work India, and Built In's Best Places to Work. - We offer fulfilling work and career opportunities. Most positions are filled with internal moves and employee referrals. - Employees are eligible for Success Sharing, bonuses, or commission plans based on role and individual performance. - CSC offers a competitive and comprehensive benefits package that includes annual leave, tuition reimbursement, referral bonuses, and more. - As business needs allow, CSC offers hybrid or remote work schedules in alignment with local regulations. Specific details for this position will be discussed during the interview process.

Role Description We are looking for a Tax Onboarding Lead to own the tax setup lifecycle for new Netchex clients. From the initial kickoff call through go-live, you'll ensure every FEIN registration, tax account, multi-state filing, and agency authorization is validated, documented, and in place before the first payroll runs. You'll be the bridge between clients, government agencies, and internal teams — and the person who catches what others miss. Key Responsibilities - Participate in client kickoff calls to introduce and align on all tax onboarding requirements from day one. - Communicate tax setup requirements clearly and early in the onboarding lifecycle to minimize delays and keep clients on track. - Proactively identify and resolve missing setup items — account numbers, POA, TPA, etc. - Validate FEIN and tax account setup, including all applicable multi-state registrations, for accuracy prior to go-live. - Handle federal, state, and local tax agency communications accurately and on behalf of clients throughout onboarding. - Identify and escalate tax setup risks with sufficient lead time to protect go-live timelines. - Review Offshore Tax Operations Specialist tasks for accuracy and ensure backend documentation and data collection are completed within defined handoff timelines. - Confirm tax account numbers, frequencies, and rates within established SLA windows. - Deliver complete and accurate tax verification documents to clients at close of onboarding. - Maintain onboarding case files to audit-ready standards in accordance with internal SOPs. Qualifications - 2–3 years of experience in payroll, tax, client onboarding, or HCM implementation — payroll or tax experience required. - Knowledge of payroll tax compliance at the federal, state, and local level is strongly preferred. - Demonstrated ability to communicate directly with government agencies and clients. - Strong organizational skills and sharp attention to detail — you catch the small things before they become big problems. - Ability to manage multiple onboarding cases simultaneously in a deadline-driven environment. - Proficiency with Microsoft Office Suite, especially Excel and Outlook. - Familiarity with multi-state payroll and tax complexity is a plus. About You - You're the person who reads the fine print — and finds the thing everyone else missed. - You communicate complex tax and compliance topics clearly to clients who may have never dealt with them before. - You stay calm when agency timelines are tight or a setup issue surfaces close to go-live. - You take ownership of your cases end-to-end and don't let things fall through the cracks. - You're collaborative by default — you know that getting a client live requires the whole team. - You want to build deep expertise in payroll tax, and you see this role as the foundation for it. Here's how we show up - Win Together — One team. One mission. No silos. - Deliver Results — No excuses. Just results. - Raise the Bar — Better today. Stronger tomorrow. - Decide and Drive — We don't wait for perfect. We move. - Bring the Energy — Positivity fuels performance.

About Netchex Netchex is a leading HR, payroll, and workforce management platform trusted by thousands of businesses across the U.S. Our mission is simple: make HR and payroll easier through intuitive, intelligent software. We're a remote‑first team of builders, problem‑solvers, and people‑focused innovators — and we're just getting started. Summary of the Role We are looking for a Tax Onboarding Specialist to own the tax setup lifecycle for new Netchex clients. From the initial kickoff call through go-live, you'll ensure every FEIN registration, tax account, multi-state filing, and agency authorization is validated, documented, and in place before the first payroll runs. You'll be the bridge between clients, government agencies, and internal teams — and the person who catches what others miss. Key Responsibilities • Participate in client kickoff calls to introduce and align on all tax onboarding requirements from day one. • Communicate tax setup requirements clearly and early in the onboarding lifecycle to minimize delays and keep clients on track. • Proactively identify and resolve missing setup items — account numbers, POA, TPA, etc • Validate FEIN and tax account setup, including all applicable multi-state registrations, for accuracy prior to go-live. • Handle federal, state, and local tax agency communications accurately and on behalf of clients throughout onboarding. • Identify and escalate tax setup risks with sufficient lead time to protect go-live timelines. • Review Offshore Tax Operations Specialist tasks for accuracy and ensure backend documentation and data collection are completed within defined handoff timelines. • Confirm tax account numbers, frequencies, and rates within established SLA windows. • Deliver complete and accurate tax verification documents to clients at close of onboarding. • Maintain onboarding case files to audit-ready standards in accordance with internal SOPs. What We're Looking For • 2–3 years of experience in payroll, tax, client onboarding, or HCM implementation — payroll or tax experience required. • Knowledge of payroll tax compliance at the federal, state, and local level is strongly preferred. • Demonstrated ability to communicate directly with government agencies and clients. • Strong organizational skills and sharp attention to detail — you catch the small things before they become big problems. • Ability to manage multiple onboarding cases simultaneously in a deadline-driven environment. • Proficiency with Microsoft Office Suite, especially Excel and Outlook. • Familiarity with multi-state payroll and tax complexity is a plus. About You • You're the person who reads the fine print — and finds the thing everyone else missed. • You communicate complex tax and compliance topics clearly to clients who may have never dealt with them before. • You stay calm when agency timelines are tight or a setup issue surfaces close to go-live. • You take ownership of your cases end-to-end and don't let things fall through the cracks. • You're collaborative by default — you know that getting a client live requires the whole team. • You want to build deep expertise in payroll tax, and you see this role as the foundation for it. Here's how we show up • Win Together — One team. One mission. No silos. • Deliver Results — No excuses. Just results. • Raise the Bar — Better today. Stronger tomorrow. • Decide and Drive — We don't wait for perfect. We move. • Bring the Energy — Positivity fuels performance.

• Prepare, review, and finalize state and local income, franchise, and gross receipts tax returns for multistate corporate and pass-through entities. • Identify and analyze state filing requirements and nexus exposure, including considerations related to due process and the commerce clause. • Perform business activity tax nexus analyses to determine where income or gross receipts tax filings are required. • Conduct technical state and local tax research using statutes, regulations, and administrative guidance to support tax positions. • Assist with state and local tax audits, including responding to inquiries and supporting documentation requests. • Document technical conclusions, calculations, and research findings in clear, audit-ready workpapers and client deliverables. • Manage assigned SALT workstreams within client engagements, including tracking open items, coordinating data requests, and meeting filing deadlines. • Communicate with clients primarily through phone and email to gather information, clarify tax matters, and deliver updates. • Identify opportunities to improve client service delivery and engagement efficiency. • Participate in internal and external training programs to continuously develop technical tax knowledge. • Handle technically challenging tax projects while ensuring compliance with firm policies and quality control standards.