Amentum

ExecutiveAssistant&OfficeLead

Sydney, New South Wales, Australia; Canberra, Australian Capital Territory, Australia PART TIME
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Mid+ candidates.

The Brief

“Executive Assistant & Office Lead at Amentum. Skills: Executive Assistant, Office Lead, Microsoft Office. Provide proactive, confidential executive assistance. Support broader Leadership Team”

What You'll Achieve.

Effectiveness and reliability of executive support; Smooth operation and presentation of Canberra and Sydney offices; Quality, accuracy, and timeliness of leadership support outputs; Stakeholder satisfaction and responsiveness; Compliance with governance and security expectations

Industry & Context.

Problems you'll solve

Anticipating issues; Solutions-focused

Eligibility Requirements

Ability to obtain and maintain an Australian Government security clearance (or willingness to do so)

What They're Looking For.

Must Have

Demonstrated experience as an Executive Assistant supporting senior executives or leadership teams, judgement, discretion, and ability to handle highly sensitive and confidential information, Excellent organisational skills with the ability to manage competing priorities in a fast-paced environment, High proficiency in Microsoft Office (Outlook, Word, Excel, PowerPoint, Teams), Professional communication skills, both written and verbal, Proven ability to work autonomously while maintaining alignment with leadership intent

Nice to Have

Experience in a Defence, government, engineering, or regulated professional services environment, Experience acting as an office or facilities lead across multiple sites, Familiarity with security‑aware environments and compliance‑driven organisations, Ability to obtain and maintain an Australian Government security clearance (or willingness to do so)

What You'll Do.

confidential executive assistance

Support broader Leadership Team

Act as an effective gatekeeper

Prepare correspondence

Coordinate leadership meetings

Manages Travel bookings and expense claims

Act as primary point of accountability for office operations

Coordinate office services

Liaise with Amentum Real Estate team

Maintain office readiness

Oversee general office supplies

Support compliance with corporate

Maintain controlled records

Handle sensitive and classified information

Act as key interface between leadership and stakeholders

Draft and coordinate internal communications

Build relationships across business

Identify and implement improvements

Provide ad-hoc administrative support

Support corporate initiatives

How You'll Work.

Team & Collaboration

Support the broader Leadership Team; Act as a key interface between the Managing Director, Leadership Team, staff, and external stakeholders; Build relationships across the business to facilitate smooth information flow and issue resolution

Communication Scope

Professional communication skills, both written and verbal; Draft and coordinate internal communications

Full Job Description

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents. Are you seeking a career that offers a healthy work-life balance, a friendly company culture, and engagement with a supportive community? We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities. People are our greatest asset, and we offer a competitive package to retain and attract the best talent. Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business, and we genuinely believe that we all succeed by supporting one another through our culture of caring. We value positive mental health and a sense of belonging for all employees. Amentum is proud to be an Equal Opportunity Employer, please refer to our Enterprise Agreement and [www.fairwork.gov.au](http://www.fairwork.gov.au) for more information. **Position Title:** Executive Assistant & Office Lead (Canberra & Sydney) **Location:** Sydney (with responsibility for Sydney and Canberra office operations) **Employment Type:** Part‑time (60% LOE) **Role Purpose** The Executive Assistant & Office Lead provides high‑level executive support to the Managing Director and Leadership Team while ensuring the effective day‑to‑day ope

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