Senior Administrative Assistant

Job Description IREN is a vertically integrated AI Cloud provider, delivering large-scale data centers and GPU clusters for AI training and inference. IREN’s platform is underpinned by its expansive portfolio of grid-connected land and power in renewable-rich regions across North America, Europe and APAC. We are seeking a proactive and highly organized Senior Administrative Assistant to support the Site & Construction Manager at our high-performance computing (HPC) data center campus. This role is ideal for a self-starter who thrives in a fast-paced, technical environment and takes pride in anticipating needs before they arise. The successful candidate will be detail-oriented, resourceful, and capable of managing a wide range of administrative and operational tasks with discretion and efficiency. While prior experience as an administrative assistant is preferred, we value initiative, adaptability, and a strong sense of ownership in supporting mission-critical operations. With 100% renewable energy, we build, own and operate our data centers and take pride in being at the forefront of sustainable solutions for the ever-evolving applications of high-performance compute. We believe that human progress is invaluable, but it should be done in the right way – responsibly, sustainably and having a positive impact on the communities we operate in. Job Type: Full-Time Location: Sweetwater, TX Department: Operations Reporting to: Site & Construction Manager Type: onsite IREN is a vertically integrated AI Cloud provider, delivering large-scale data centers and GPU clusters for AI training and inference. IREN’s platform is underpinned by its expansive portfolio of grid-connected land and power in renewable-rich regions across North America, Europe and APAC. We are seeking a proactive and highly organized Senior Administrative Assistant to support the Site & Construction Manager at our high-performance computing (HPC) data center campus. This role is ideal for a self-starter who thrives in a fast-paced, technical environment and takes pride in anticipating needs before they arise. The successful candidate will be detail-oriented, resourceful, and capable of managing a wide range of administrative and operational tasks with discretion and efficiency. While prior experience as an administrative assistant is preferred, we value initiative, adaptability, and a strong sense of ownership in supporting mission-critical operations. With 100% renewable energy, we build, own and operate our data centers and take pride in being at the forefront of sustainable solutions for the ever-evolving applications of high-performance compute. We believe that human progress is invaluable, but it should be done in the right way – responsibly, sustainably and having a positive impact on the communities we operate in. Job Requirements Proven experience as an administrative assistant or in a similar support role (preferred). Exceptional organizational and time management skills. Strong written and verbal communication abilities. High level of discretion and professionalism when handling sensitive information. Proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint) and collaboration tools (e.g., Teams, SharePoint). Ability to work independently, prioritize tasks, and adapt to changing priorities. Familiarity with technical or data center environments is a plus. Self-motivated with a proactive mindset. Comfortable working in a high-security, high-performance environment. Strong attention to detail and follow-through. Collaborative and service-oriented attitude. Other important requirements: Pre-employment screening, including background check and substance testing may be required according to company policies. Must provide own steel-toed work boots; other PPE will be supplied. Must be able to reliably commute to the work site as needed orhave plans to relocate before starting work. Job Responsibilities Provide high-level administrative support to the Senior Operations Manager and other facility leaders. Manage calendars, schedule meetings, coordinate travel arrangements, and prepare meeting agendas and materials. Track and follow up on action items, deadlines, and project milestones. Assist with internal communications, documentation, and reporting. Maintain organized digital and physical filing systems, including confidential records. Support onboarding and coordination for new hires, vendors, and contractors. Order and manage office supplies, equipment, and facility logistics. Coordinate with IT, security, and facilities teams to ensure smooth day-to-day operations. Prepare and proofread correspondence, reports, and presentations. Assist with planning and execution of on-site events, audits, and executive visits. Job Benefits At IREN, we offer a comprehensive, market-competitive total rewards package designed to support employees’ well-being, career advancement, and financial wealth. Our offerings reflect our commitment toProceed with Purposewhile rewarding high performance and long-term growth. Actual hourly rate will be determined based on factors such as experience, qualifications. Overtime compensation for non-exempt workers for hours worked over 40 per week Health & Wellness 100% company paid health insurance premiums (medical, dental, and vision)for employees, 75% company paid coverage for dependents Company-paid short-term and long-term disability insurance Voluntary life, critical illness, and accident coverage available Health Savings Accounts (HSA) – when combined with the High-Deductible Health Plan Employee Assistance Program and wellness resources Retirement & Financial Wealth 401(k) retirement plan with company match Paid professional development and access to financial planning and legal services Time Off & Leave Programs Paid Time Off (PTO) and paid holidays Growth & Development Professional development to support certifications, continuing education, or role related training Community & Culture Company events and team-building activities We value diverse perspectives and believe that skills can be developed. If you’re passionate about this role, we want to hear from you — whether you meet every criteria or not. Your unique experiences might be exactly what we need! IE US Operations Inc., the employingentityand proud member of the IREN group is an equal opportunity employer that is committed to creating an inclusive workplace. We are committed to evaluating qualified applicants and do not discriminate against protected characteristics under applicable legislation. We participate in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.E-Verify Participation Notice. By applying for this position and submitting your resume and application materials, you consent to the processing of your personal information in accordance with our Job Applicant Privacy Statement available on our website at #J-18808-Ljbffr IREN