Sr. Designated Support Engineer, Apache Spark™

Company Introduction We exist to wow our customers. We know we're doing the right thing when we hear our customers say, "How did we ever live without Coupang?" Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. Role Overview You will lead the architectural vision for our next-generation data centers, transitioning our global footprint from traditional colocation models to high-density AI Factories. You are responsible for the physical and logical blueprint of the facility—ensuring that our "white space" can support 100kW+ racks, liquid-to-chip cooling, and the massive throughput requirements of 800G/1.6T networking. Responsibilities * Facility Strategy: Design the "Basis of Design" (BOD) for hyperscale facilities, including site selection, building massing, and modular "pod" scalability. * Thermal Management: Architect the transition from air-cooled data halls to Hybrid Cooling environments (Direct-to-Chip, Rear Door Heat Exchangers, and Immersion Cooling) to support high-TDP AI chips. * Power & Energy: Partner with electrical engineers to design high-availability power chains (N+1/2N) capable of supporting 50MW+ of IT load per hall. Evaluate the integration of Small Modular Reactors (SMRs) or hydrogen fuel cells for onsite power. * Network & Fabric Topology: Define the physical layout for OSFP-based high-radix fabrics. Optimize cabling pathways and "meet-me-room" designs to minimize signal degradation for InfiniBand and RoCE v2 compute planes. * Modular Construction: Drive the adoption of modular "skid-based" deployments to accelerate construction timelines by 30% without sacrificing reliability or efficiency (PUE). * Sustainability & ESG: Ensure designs meet 2026 carbon-neutrality standards by implementing waste-heat reuse for local district heating and optimizing Water Usage Effectiveness (WUE).  Qualifications * Education  * B.Tech/M.S. or Ph.D. in Computer Science, Electrical Engineering, or a related field (or equivalent industrial experience) *  Required Technical Expertise * Physical Infrastructure: Deep understanding of rack densities (moving from 15kW to 100kW+), busways, and floor loading for heavy liquid-cooled systems * Hardware Lifecycle: Mastery of the latest server form factors, including E1.S/E3.S storage and the mechanical requirements of NVIDIA Blackwell/Rubin rack systems * Networking Standards: Expert knowledge of the physical layer (OSFP/QSFP-DD), fiber types (OM5/Single-mode), and OSPF/BGP routing at the facility scale * BIM & Digital Twin: Proficiency in Revit, AutoCAD, and Digital Twin platforms to simulate airflow, power distribution, and maintenance accessibility before breaking ground * Preferred Qualifications * 10+ years in mission-critical facility design or lead architectural roles at a Hyperscaler (AWS, Google, Meta) or Tier-1 Provider (Equinix, Digital Realty) * Expertise in Uptime Institute Tier Standards and LEED Platinum certifications * Experience with "AI-driven DCIM" (Data Center Infrastructure Management) tools for predictive maintenance * Domain Skills Needed * Cooling: Direct-to-Chip (DLC), CDU Integration, Water-Side Economizers * Compute: GPU Cluster Architecture, DPU Integration (BlueField) * Network: 800G/1.6T OSFP Optics, Fiber Density, OSPF Routing * Storage: NVMe-over-Fabrics (NVMe-oF), E1.S EDSFF * Construction: Modular Design, Prefabricated Power Skids, BIM Recruitment Process and Others * Recruitment Process  1. Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview – Offer  2. The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.  3. Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.  * Things to Consider  1. This job posting may be closed prior to the stated end date for application if all openings are filled.     2. Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.     3. Coupang does not discriminate against disabled applicants or those with veteran status. We are proud to offer equal opportunities for all applicants.  * Privacy Notice  1. Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located HERE.  * Document Return Policy  1. This notification is given pursuant to Article 11 (6) of the Fair Hiring Procedure Act.   2. A job applicant, who has applied but not been finally selected for a position at Coupang (the “Company”), may request the Company to return his/her hiring documents submitted pursuant to the Fair Hiring Procedure Act.  However, this will not apply where the hiring documents were submitted via the website of the Company or e-mail, or where the job applicant submitted those documents voluntarily without a request from the Company.  In addition, if the hiring documents were destroyed due to a natural disaster or any other reasons not attributable to the Company, such documents will be deemed to have been returned to the job applicant.  3. A job applicant who wishes to request the return of his/her hiring documents pursuant to the main sentence of paragraph 2 above should fill out a “Request for Return of Hiring Documents” [Annex Form No. 3 in the Enforcement Rule of the Fair Hiring Procedure Act] and submit the request to the Company by email (recruitingops@coupang.com) In such case, within fourteen (14) days from the date of identifying the receipt of the request, the Company will send the hiring documents to the job applicant’s designated address via registered mail.  Please be informed that the job applicant is required to pay the postage on the registered mail.  4. In preparation for a job applicant’s request for the return of hiring documents pursuant to the main sentence of paragraph 2 above, the Company shall retain the original hiring documents submitted by the job applicant for 180 days from the completion of the recruiting process.  If no request is made until the end of this period, all of his/her hiring documents will be destroyed immediately in accordance with the Personal Information Protection Act.  5. The above paragraphs 1 - 4 shall only apply when the labor-related laws of Korea govern the application. They are otherwise not applicable. Equal Opportunities for All Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

fairlife, LLC is a Chicago-based nutrition company that creates great-tasting, nutrition-rich and dairy products to nourish consumers. With over $3B in annual retail sales, fairlife’s portfolio of delicious, lactose-free, real dairy products includes: fairlife® ultra-filtered milk; Core Power® High Protein Shakes, a sports nutrition drink to support post-workout recovery; fairlife® nutrition plan™, a nutrition shake to support the journey to better health. A wholly owned subsidiary of The Coca-Cola company, fairlife, LLC has been recognized by both Fast Company and Nielsen for its industry leading innovation. To learn more about fairlife and its complete line of products, please visit fairlife.com [http://www.fairlife.com]. job purpose: The Sr. Infrastructure Engineer will focus on Microsoft & Endpoint and will own the development, governance, standardization, and administration of fairlife's endpoint devices, Microsoft’s endpoint focused solutions, and all software/services focused on endpoint administration. Reporting directly to the Director of IT, this role centralizes foundational Microsoft technologies (Intune, Active Directory/Entra ID, Teams, Exchange Online, etc.) to ensure consistent, secure, and efficient device management and user productivity across all sites. This position supports fairlife's growth by enabling rapid onboarding, focused support/admin roles and reducing risks. This is a high-impact role in a dynamic environment—perfect for someone passionate about Microsoft and their cloud technologies, automation, and building reliable systems in a fast-paced environment.   responsibilities:  · Design, maintain, and automate workstation/laptop builds and imaging using modern tools (Microsoft Intune, Windows Autopilot, MDT, SCCM). · Manage device enrollment, configuration profiles, compliance policies, app deployment/protection, and patching across Windows, iOS, Android, and Mac devices. · Oversee endpoint security baselines, conditional access, and integration with Microsoft Defender for Endpoint. Design and oversee core M365 tenant configurations: licensing, security/compliance policies, and identity management (Entra ID/Azure AD integration). · Design and oversee Microsoft Teams: policies, channels, guest access, meetings/calling, and app integrations. · Design and oversee Exchange Online: mailbox management, distribution groups, email flow rules, anti-spam/quarantine, and transport rules. · Own core AD/Entra ID governance: user provisioning/deprovisioning automation, group policies, delegated rights models, and synchronization. · Implement and maintain least-privilege access (RBAC) for support teams and end-users. · Develop and maintain PowerShell scripts, Microsoft Graph API workflows, and automation for provisioning, reporting, and remediation for endpoints. · Monitor endpoint health, performance, and compliance; troubleshoot issues and drive proactive improvements. · Partner with the larger Infrastructure Team to provide escalation support, delegated access (e.g., Intune Help Desk roles), and self-service tools. · Partner with Network team on endpoint-network integration (e.g., Wi-Fi profiles, VPN configs). · Document processes, create runbooks, and train teams on new standards. · Ensure endpoint and collaboration configs meet security best practices and regulatory needs (e.g., food safety compliance, data protection). · Participate in audits, vulnerability remediation, and incident response for managed devices/tenants.   skills/qualifications required:  · Bachelor's degree in Computer Science, Information Technology or related field, or equivalent experience. · 4+ years of hands-on experience administering Microsoft 365, Intune, Entra ID/Azure AD, Teams, SCCM, and Exchange Online in an enterprise environment. · Experience with endpoint management in multi-site or manufacturing settings preferred. · Deep expertise in Microsoft Intune and SCCM (device management, compliance, Autopilot). · Strong knowledge of M365 admin center, PowerShell, Microsoft Graph API, and RBAC/conditional access. · Proficiency in Active Directory/Entra ID, Exchange Online, Teams administration. · Familiarity with endpoint security tools (Defender, BitLocker, etc.). · Experience with automation/scripting and modern deployment strategies.   how fairlife nourishes you: At fairlife, we believe in better — and that includes how we support our people. We offer a comprehensive suite of benefits and wellbeing resources designed to support you physically, emotionally, socially, and financially, both in and out of work. · Comprehensive medical, dental, and vision coverage, effective day one! · Supplemental health plans (hospital indemnity, accident, and critical illness insurance) · Paid Time Off to recharge and support work-life balance · Paid parental leave & adoption assistance (up to $10,000) · Parental support & family care benefits, including childcare resources and lactation support · 401(k) to support retirement planning with up to 9% in employer match · Wellness reimbursement (up to $500 for qualified wellbeing expenses) · Employee Assistance Program (EAP) for emotional wellbeing and work-life support · Company-paid life insurance and short-term disability · Employer HSA funding (for HDHP participants) · Tuition reimbursement (up to $10,000) and student loan repayment ($200/month) · Learning & development programs to unlock your full potential · Rewards & recognition, matching gifts, free product, and Business Resource Groups fairlife’s nour!sh program is designed to meet you where you are — supporting your individual wellbeing journey while enabling you to do your best work every day.   position location: Chicago, IL reports to: Director, Infrastructure & Services travel requirements: 25% salary range: $115,000 - $135,000 exempt/nonexempt: Exempt #LI-BB1 *Base pay offered may vary depending on geography, job-related knowledge, skills, and experience. A full range of medical, financial, and/or other benefits, dependent on the position, is offered. Base pay range: $115,000—$135,000 USD fairlife, LLC is an equal opportunity employer. We do not discriminate on the basis of race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. All qualified applicants and employees will be given equal opportunity. Selection decisions are based on job-related factors. In addition to its nondiscrimination commitment, the Company will also provide reasonable accommodation of qualified individuals with known disabilities unless doing so would impose an undue hardship on the Company. If you have a disability and would like to request accommodation in order to apply for a position with us, please email careers@fairlife.com [careers@fairlife.com]. For Recruitment Agencies At fairlife, we manage the majority of our hiring internally through our dedicated Talent Acquisition team, which is actively engaged in direct candidate sourcing. Most of our roles are filled through applications submitted via our careers site or through direct outreach by our team. As our recruitment is primarily handled in-house, we work only occasionally with external agencies, and only those on our existing, pre-approved vendor list. At this time, we are not reviewing or expanding that list. Unsolicited resumes or submissions from external agencies not authorized by our Talent Acquisition team will be considered direct candidate applications. As such, fairlife will not assume responsibility for any placement fees associated with these submissions.