Sr Executive Administrator

Lyten is leading an industrial revolution through Lyten 3D Graphene™, a breakthrough supermaterial unlocking a new generation of products — from lithium–sulfur batteries and energy storage systems to concrete admixtures, lightweight composites, and next-generation sensors that are revolutionizing industries. Together, these innovations are making a massive global improvement and driving real-world impact across energy, mobility, construction, and defense.

At Lyten, we believe the most meaningful careers begin with purpose — and with people who want to make a difference. We’re not just developing advanced supermaterials — we’re about to change the world as we know it, reshaping how energy is stored, how products are built, and how progress is made.

We’re entering an exciting growth phase, scaling production across the U.S. and Europe and expanding our team of engineers, scientists, and innovators.

Apply now to join our team and be part of something bigger than yourself — where collaboration, creativity, and purpose come together to build the technologies that will define the next century.

Job Description

Sr. Executive Administrator

Job Summary     

You are incredibly sharp, driven, and a constant learner. You believe that being an EA is an incredibly powerful career path, not a steppingstone. You are deeply relationship-oriented and understand the value in building relationships with not only the Executives you support, but all team members, that will allow you to anticipate needs, intuit the dynamics of the team, and seamlessly step into and out of workflows across the company. You are not intimidated by shifting priorities but rather look at them as challenges. You will be working on highly sensitive and confidential information so are looking for you to be able to demonstrate the highest level of integrity and confidentiality in your role. 

This position reports to the Senior Executive Administrator to the CEO, in the US. The role will be located on-site in G’dansk, Poland. Candidate needs to be fluent in English (verbal and written).

Job Responsibilities:

• Manage and maintain a busy calendar and respond to copious meeting requests that require frequent re-prioritization. 
• Coordinate comprehensive domestic and international travel arrangements, including flight bookings, ground transportation, hotel accommodations, and detailed travel itineraries.
• Plan and manage internal and external meetings for executives, ensuring all logistical needs are met—such as securing meeting space, coordinating virtual access, and preparing necessary materials.
• Prepare and submit timely and accurate expense reports on behalf of executives, ensuring compliance with company policies.
• Organize and oversee team and company events, handling end-to-end planning and execution to ensure successful experiences for all participants.
• Create and edit presentation materials for executives when needed.
• Handle sensitive business and confidential information with discretion, tact, and diplomacy. 
• Embrace unexpected duties or projects. 
• With eloquence and poise, act as an ambassador for the executive you support, both company-wide and to external contacts. 
• Ability to step in and provide support in different time zones if needed.
• Perform general administrative functions.

Required Qualifications:

• Bachelor’s degree or equivalent experience. 
• A minimum of 5 years of progressively responsible experience as an administrative or executive assistant, culminating in at least one position supporting a C-level executive.
• 5 years minimum experience supporting executives on mid-sized but highly critical projects which includes coordinating logistics, meetings, communication, taking and storing detailed meeting notes, organizing onsite and offsite meetings etc. 
• 5 years minimum experience in heavy calendar management supporting multiple executives with experience dealing with last minute changes.
• 2 years of Advanced MS Office Skills in particular with:
  • MS Excel: Ability to work with large spreadsheets to create specialized reporting.  Able to use formulas, pivot tables, look-Up’s etc. Create graphs and charts.
  • PowerPoint: Create presentations and slide decks for the executives for presentation.
• Minimum of 4 years’ experience with tracking and processing executive expenses.
• Strong technical competency, specifically with Mac OS and Windows, Microsoft Office Suite and Google apps. 
• Excellent verbal and written communication skills in English.
• Strong organizational skills that reflects the ability to prioritize, plan, and perform multiple urgent tasks seamlessly. 
• Self-directed: able to determine priorities, make decisions, and manage time well. That said, not afraid to ask questions and for help when needed. Enthusiasm for challenges, comfortable with change, ready to learn. 
• An eye for efficiency: constantly engaged in improving results by studying, evaluating, and re-designing processes and then implementing those changes. Excellent attention to detail. 
• Works well under pressure, meets deadlines, sees projects through. 
• Punctual, courteous, professional, and reliable; possessed of good judgment. 

Physical Requirements:

• Sitting, standing for long period of time
• Walking between buildings and offices

Why Work at Lyten

At Lyten, you’ll be part of a team that’s redefining what’s possible in energy, materials, and manufacturing. We’re not just imagining the future — we’re building it today with breakthrough technologies that are changing how products are made and how industries innovate.

Our people are the heart of that mission. From world-class scientists and engineers to creative problem-solvers in operations, manufacturing, and commercialization, every member of the Lyten team plays a role in turning bold ideas into real-world impact. We believe that the best work happens when you’re doing great things in the world — with people you like. Collaboration, curiosity, and a shared sense of purpose drive everything we do.

What You’ll Find at Lyten

• A mission that matters: Contribute directly to solving complex challenges in energy, mobility, and materials innovation.

• Cutting-edge innovation: Work on technologies at the intersection of materials science, energy storage, and advanced manufacturing that strengthen energy security and local supply chains.

• Extraordinary people: Join a team of talented, friendly, and down-to-earth innovators who support, challenge, and inspire one another every day.

• Teamwork and culture: Experience a workplace built on trust, respect, and shared success — where collaboration fuels breakthroughs and everyone’s ideas are heard.

• Global impact: Help scale new materials and energy solutions that reinforce industrial resilience across the U.S. and Europe.

• Career growth: Be part of a fast-moving company entering a commercial growth phase, with opportunities to lead, learn, and make your mark.

• Purpose-driven values: Thrive in an environment that celebrates ingenuity, optimism, and meaningful progress — together.

Lyten offers the opportunity to do the most important work of your career — helping build the technologies that will power the next century of innovation.

Join us, and help transform industries, communities, and the planet with friends who share your drive to make a difference.