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Administrative Assistant

Join Eos Energy Enterprises in Edison, US as an Administrative Assistant supporting leadership with calendar, travel, and meeting management. This role offers a dynamic office environment and opportunities to contribute to key business activities.

On-site Full time UTC-05:00 Updated today

Applies on eosenergystorage.wd1.myworkdayjobs.com

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The Administrative Assistant is responsible for providing administrative support to the leadership team. This role will be responsible for managing calendars, meetings, travel arrangements, expense reports, and daily administrative activities.

Job Responsibilities

  • Serve as the administrative partner and key support resource to the leadership team by managing complex calendars, schedules and meetings coordination.
  • Coordinate domestic and international travel arrangements, including flights, accommodations, transportation and itineraries.
  • Maintain and oversee travel records and calendars to support tax compliance and reporting requirements.
  • Prepare and submit expense reports and support expense reconciliation processes.
  • Screen, prioritize, and manage incoming communications, correspondence, and meeting requests.
  • Organize and maintain confidential files, records, and documentation.
  • Anticipate leadership needs and proactively support daily business activities.
  • Schedule and coordinate internal and external meetings, including conference room reservations, virtual meeting logistics, and catering arrangements.
  • Prepare meeting agendas, compile materials, and assist with follow-up action items.
  • Assist in planning and execution of leadership meetings, employee events, customer visits, and company-sponsored activities.
  • Coordinate logistics for off-site meetings, conferences, and special events.
  • Assist with invoice processing, purchase requisitions, and other administrative transactions.
  • Support onboarding activities and administrative needs for new employees and visitors.
  • Assist with special projects and business initiatives as assigned.

Education/Experience

  • Associate's degree preferred; equivalent education and experience will be considered.
  • 3+ years of administrative or executive support experience.
  • Experience supporting multiple leaders and managing competing priorities.
  • Experience working in a dynamic, fast-paced environment.
  • Experience coordinating executive-level meetings, events, and travel arrangements (domestic and international)

Skills/Abilities

  • Excellent organizational and time management skills.
  • Strong written and verbal communication skills.
  • High level of professionalism, discretion, and confidentiality.
  • Ability to prioritize multiple assignments and meet deadlines with minimal supervision.
  • Strong attention to detail and accuracy.
  • Proficiency in Microsoft Office Suite, including Outlook, Word, Excel, PowerPoint, and Teams.
  • Strong customer service orientation and interpersonal skills.
  • Resourceful, proactive, and solution-oriented approach to work.

Working Conditions

Office Environment - must be able to remain in a stationary position 50% of the time and occasionally move about inside the office to access file cabinets, office machinery, etc. Required to have close visual acuity to perform an activity such as: preparing and analyzing data and figure; transcribing; viewing a computer terminal; extensive reading. May be required to exert up to 25 pounds of force occasionally to lift, carry, push, pull, or otherwise move objects, including the human body.

Typical pay for similar roles

Estimate
US$59,120–93,776 annually
Mid level · Administration & Business Support · United States · 39 similar jobs

The middle half of pay advertised on Rejobs for this group over the last 24 months. This employer has not stated a salary.

About this role

Posted
20 Oct 2026
Updated
20 Oct 2026
Job type
Full time
Workplace
On-site
Working hours
UTC-05:00
Experience
3+ years of administrative or executive support experience

About Eos Energy Enterprises

Company Overview

Name

Eos Energy Enterprises, Inc.

Headquarters

Edison, NJ, United States

Founded

2008

Size

Approximately 430 employees (source: stockanalysis.com).

What They Do

Eos Energy Enterprises specializes in developing innovative zinc-powered battery energy storage systems (BESS), particularly their proprietary Znyth® aqueous zinc battery technology. This technology is designed for long-duration energy storage, offering discharge durations ranging from 3 to 12 hours, which provides a viable alternative to traditional lithium-ion and lead-acid batteries. The company emphasizes safety, scalability, and efficiency, with a 20-year useful life for its products, all manufactured in the U.S. (source: stockanalysis.com). Their product lineup includes the Z3 battery module, battery management systems for remote monitoring, and comprehensive project management services, catering to utility-scale, microgrid, and commercial applications to address grid complexity and renewable energy intermittency (source: eose.com). Target markets include utilities, independent power producers, and commercial customers, with a focus on integrating renewable energy sources like solar and wind into their systems (source: mapquest.com). Eos differentiates itself through its non-flammable zinc chemistry, positioning against competitors such as ESS Inc. and Form Energy, and aims to enhance grid stability through long-duration storage solutions (source: dcfmodeling.com).

Projects & Track Record

Eos Energy Enterprises has made significant strides in the energy storage sector, with notable projects including the first commercial shipments of its Znyth® technology in 2017, marking a successful transition from research and development to market entry (source: dcfmodeling.com). A key project involved a $20 million order from EnerSmart for a 9MWh installation in El Cajon, California, aimed at enhancing grid stability and scheduled for deployment in Q4 2021 (source: eose.com). Ongoing projects include a commitment to deliver between 90MWh and 180MWh of Znyth®-powered storage across multiple locations in California, reflecting the growing demand for long-duration energy solutions (source: eose.com). The expansion of their Turtle Creek manufacturing facility is crucial for scaling production to meet these demands and support future growth (source: dcfmodeling.com). Key clients include EnerSmart, which focuses on utility-scale projects, and partnerships are being developed to enhance supply chain efficiency and installation speed (source: eose.com).

Recent Developments

In recent years, Eos Energy Enterprises secured its largest order to date, a $20 million contract from EnerSmart for energy storage solutions, underscoring the increasing demand for their technology in California (source: eose.com). The company has also aggressively expanded its manufacturing capabilities at the Turtle Creek facility, transitioning to high-volume production following its public listing in 2020 (source: dcfmodeling.com). While no specific acquisitions or mergers have been reported since the SPAC merger, the EnerSmart deal represents a significant commercial milestone for Eos, highlighting its growth trajectory in the energy storage market (source: eose.com).

Working There

Eos Energy Enterprises offers a diverse range of roles across various departments, including engineering, product management, sales, marketing, operations, finance, and HR. The company actively recruits talent for positions in software development, infrastructure, and storage systems, with a focus on fostering innovation and collaboration within its teams (source: salestools.io). Most hiring occurs at the Edison headquarters, which is designed to support growth and innovation, as well as at the Turtle Creek manufacturing sites (source: eose.com). Eos promotes a company culture centered on continuous learning, employee well-being, and teamwork, with amenities that include open-plan offices, collaboration spaces, and fitness centers to enhance the work environment (source: salestools.io). While specific benefits such as health plans or PTO are not detailed, the company positions itself as a place where employees can make a positive impact through their work in clean energy (source: salestools.io).

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