Executive Assistant & Office Manager

About UsAt Mutinex, we’re not chasing unicorn status - we’re building a sustainable, long-lasting business (think Bowhead Whale). We're an early-stage B2B SaaS company with a proven platform, trusted by big-name clients, and already generating millions in revenue.Our mission is bold: to build a universal business growth decision engine. Our platform empowers marketing, media, agency, analytics, and finance teams to organize, analyze, and action data at scale - unlocking and optimizing the true drivers of sustainable growth.We’re a hybrid team spread across Sydney, Melbourne, and New York. We value open communication, diverse perspectives, and a culture of continuous learning and feedback.The RoleThis role sits at the heart of our new New York office. You’ll spend part of your time as the on-the-ground executive support for our CEO, part of the time supporting the wider New York team on adhoc administrative tasks and the rest of your time as the operational backbone of our NY office.This is not a remote role - your physical presence in the office is core to what makes it work. You'll be the person who makes the space hum, the team feel looked after, and the CEO's New York days run without friction.You'll work closely with our Sydney-based Senior EA, who leads on CEO priority management and strategic coordination. Together, you'll operate as a two-person team around the CEO to ensure he’s supported seamlessly across all time zones.We're in scale-up mode: growing fast, moving faster. This role has real visibility into senior leadership and business operations, and the right person will thrive on that energy.What You'll DoExecutive & Team SupportSupport the CEO's New York calendar - scheduling, room and venue bookings, and day-of coordinationProvide local life admin support - reservations, errands, and personal scheduling as neededSupport the team and US President on ad hoc administrative tasks including travel arrangementsBe a proactive, present resource for the CEO and team throughout the working dayLiaise daily with the Senior EA in Sydney to ensure seamless priority handoffs across time zonesOffice OperationsKeep the New York office running smoothly, including supplies, vendors, maintenance, and space setupOwn relationships with the landlord and any local service providersEnsure the office is consistently tidy, stocked, and welcomingManage IT, building passes, and desk setup for new startersTeam & CultureBe the go-to person for the NY team's day-to-day needsDrive local team culture through events, celebrations, and offsitesSupport New York onboarding end-to-end - from desk and technology setup to first-day experienceWhat We're Looking ForThere's no perfect candidate - if you meet most of the criteria below and are excited about the role, we'd love to hear from you.1-2 years of experience in an EA, administration office management, or operations role in a fast-paced environment (startup or scale-up experience a plus)Highly organized with exceptional attention to detailCalm under pressure and adaptable when priorities shiftProactive and solutions-oriented - you notice what needs doing before being askedStrong communicator, comfortable working with strong personalities andDiscreet and professional with sensitive informationWe believe skills can be developed - so if you bring a unique perspective and are eager to learn, we’d love to hear from you.Why Work With Us?Real Customer Impact: Your work directly shapes our platform and the success of our customersChallenging, Meaningful Work: Tackle complex data and infrastructure problems at scaleAutonomy and Ownership: Drive initiatives end-to-end with support when you need itLearning and Growth: Collaborate with a thoughtful team of engineers and data scientists who love what they doEquity Ownership: All team members receive equity (ESOP)Parental Leave: 12 weeks paid leave for the birth parent and 6 weeks for the secondary carer after 2 yearsGenerous Time Off: 20 days of annual leave to start, plus 5 extra days after your first year, and 1 additional day each year after that (up to 30)Work from Anywhere: Take your laptop and work from anywhere in the world for up to 6 weeks each yearWe’re Committed to InclusionMutinex is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We welcome applicants of all backgrounds, experiences, identities, and abilities.If you need adjustments or accommodations during the application process, just let us know, we’re happy to support you.Ready to Join Us?If this sounds like a place where you’d thrive, we’d love to hear from you. Send us your resume and a short note about why this role excites you - we care more about what drives you than perfect formatting.Mutinex is the end to end market mix solution that helps marketers, media leads, agencies, analytics and finance teams identify and optimise the different factors that drive sustainable business growth.