Administrative Assistant to Chief Executive Officer

Position Summary

We are seeking a highly organized, execution-driven Executive Administration & Marketing Communications Manager

to serve as a strategic right hand to the CEO while driving operational excellence across marketing and communications. This role blends executive-level support with marketing operations, project management, and internal and external communications.

You will act as the connective tissue between leadership priorities and marketing execution, keeping initiatives moving, messages aligned, and operations disciplined. This is a hands-on role for someone who thrives on structure, discretion, follow-through, and clarity in a fast-moving, growth-stage environment.

About Momentum

Momentum Technologies provides

scalable, sustainable, and commercially attractive

processing technology to the mobility, energy storage industries, gigafactories, and original equipment manufacturers. Our patented

Membrane Solvent Extraction (MSX©) technology

enables efficient, high-purity recycling of critical minerals with the lowest emissions. We are shaping a sustainable future where mobility and electronic devices are powered by reusable raw materials.

How You Will Make an Impact

Executive & Business Operations

- Serve as a trusted operational partner to the CEO, managing priorities, workflows, and follow-through on key initiatives.

- Coordinate executive communications, meeting preparation, agendas, action items, and cross-functional follow-ups.

- Act as a central point of coordination between leadership, marketing, internal teams, and external partners.

- Support strategic planning by organizing materials, timelines, and deliverables tied to company priorities.

- Handle confidential matters with discretion, professionalism, and sound judgment

Marketing Operations

- Lead operational execution for marketing initiatives, including campaign tracking, content calendars, project timelines, and budget coordination.

- Establish and maintain workflows that keep marketing projects on track, on message, and on deadline.

- Manage and optimize marketing tools and platforms, including CRM, email marketing, analytics, and project management systems.

- Track marketing performance metrics and prepare reports to support leadership decision-making.

- Coordinate with external vendors, agencies, and consultants to ensure alignment, accountability, and delivery.

Communications & Brand Support

- Support internal and external communications, including leadership messaging, announcements, presentations, and marketing materials.

- Ensure consistency of voice, tone, and messaging across platforms and audiences.

- Assist with content development and review for web, social media, presentations, investor materials, and corporate communications.

- Help maintain brand standards and ensure communications align with Momentum’s mission and values.

Cross-Functional Responsibilities

- Build and refine operational processes that improve efficiency, visibility, and accountability across executive and marketing workstreams.

- Create reporting structures to track KPIs, project status, and outcomes.

- Identify gaps, bottlenecks, and inefficiencies and implement practical solutions.

- Support a culture of clarity, execution, and continuous improvement.

What We Hope You Bring

- Bachelor’s degree in Business, Marketing, Communications, or a related field.

- Five or more years of experience in C suite executive support, marketing operations, communications, or a similar hybrid role.

- Demonstrated ability to support senior leadership while managing complex, concurrent initiatives.

- Strong experience with marketing platforms, project management tools, and reporting systems.

- Exceptional organizational skills and follow-through.

- Excellent written and verbal communication skills with sound judgment and polish.

- Comfort operating in a fast-paced, evolving environment with shifting priorities.

- A calm, capable presence who brings order to complexity.

Why Work for Momentum?

At Momentum, we build serious technology with real-world impact. We value ownership, clarity, and disciplined execution. This role sits at the center of the organization supporting leadership, amplifying our story, and ensuring the engine runs smoothly as we scale.

Equal Employment Opportunity

Momentum Technologies is an equal opportunity employer and does not discriminate based on any legally protected status.

Benefits at Momentum:

· Healthcare + dental + vision coverage for you (and your partner or family)

· 401(k)

· 401(k) company match

· Life/AD&D, and long-term disability insurance

· Employee Assistance Program +

· Paid lunch Program

· Flexible time off and holidays (3 weeks minimum/year are encouraged)