Irradiant Technologies · 7 hours ago
Executive Administration Assistant
Waltham, Massachusetts, United States
Full-time
Onsite
Senior Level, Lead/Staff
$80K/yr - $110K/yr
10+ years expIrradiant Technologies is pioneering the future of nano-optics and photonics with their proprietary 3D nanofabrication platform. They are seeking an experienced Executive Administration Assistant to support the executive team, manage office operations, and ensure smooth administrative workflows as the company scales up.
Advanced MaterialsChemicalManufacturing
Responsibilities
Own complex calendar management across multiple leaders: prioritization, conflict resolution, agenda prep, and follow-ups
Coordinate internal and external meetings (customers, partners, candidates, investors, advisors), including logistics and materials
Draft, proofread, and format communications and documents (emails, memos, presentations, meeting notes)
Handle sensitive/confidential information with discretion and excellent judgment
Act as a “force multiplier”: anticipate bottlenecks, flag risks early, and keep priorities moving
Light HR support and employee contact
Plan and book complex travel (air/hotel/ground), manage changes in real-time, and maintain itineraries
Process and reconcile expense reports, credit card receipts, and travel documentation
Coordinate offsites, conferences, and customer visits (registration, shipping materials, schedules, on-site logistics)
Prepare meeting agendas, take notes when needed, track action items, and drive closure
Support recruiting logistics for senior roles (scheduling, candidate experience, on-site co-ordination)
Create and maintain lightweight systems: templates, checklists, recurring workflows, executive “run books"
Own day-to-day office operations: supplies, mail, shipping/receiving, vendors, service contracts, and general facilities coordination
Be the point person for office vendors (IT support, cleaning, building management, security/badging, catering)
Support onboarding/offboarding logistics (workstations, access coordination, welcome experience) in partnership with IT/Operations
Coordinate events and culture moments (team lunches, milestone celebrations, all-hands setup)
Maintain an organized, safe, and welcoming workplace for employees and visitors (including customer demos/visits)
Qualification
Required
10+ years of senior Executive Assistant experience in start-up environments
Demonstrated success in a fast-paced environment with shifting priorities and time-sensitive deadlines
Excellent written/verbal communication; strong attention to detail and follow-through
High integrity and discretion; proven ability to manage confidential information
Strong tech/tool fluency (Google Workspace or Microsoft 365, Slack/Teams, Zoom, calendar systems, expense tools)
Comfortable being on-site and 'hands-on' with office operations (light lifting, shipments, vendor coordination)
Excellent communication skills in a culturally diverse environment
Preferred
Experience in a tech start-up and/or hardware, deep tech, semiconductor, optics, photonics, advanced manufacturing or R&D/lab-adjacent environment
Experience supporting multiple Executives simultaneously (triaging priorities across leaders)
Event planning, trade show coordination, vendor negotiation, and basic budget tracking exposure
Interest in growing into broader operations leadership over time (e.g., Workplace Ops Lead, Business Operations Lead, Chief of Staff)
Benefits
Annual reimbursement to give our employees greater flexibility with the plans that meet their needs
Flexible Paid Time Off policy
Company
Irradiant Technologies
Irradiant Technologies develops implosion fabrication lithography for chemically amplified high throughput micro-fabrication.
2-10 employees
Funding
Current Stage
Early StageTotal Funding
$1.11MKey Investors
Mass. Manufacturing Innovation InitiativeMassVenturesIntel Ignite
2024-07-11Grant· $0.75M
2023-05-31Grant· $0.1M
2022-11-09Non Equity Assistance
Leadership Team
Daniel Oran
Founder and CEO
Recent News
2025-02-10
2025-02-10
Company data provided by crunchbase