National Security Solutions - Account Manager

Amentum; Canberra; Hybrid; AUD 120,000 - 150,000; Full time

Job summary

Amentum in Canberra seeks an NSS Account Manager to drive growth by identifying and securing new opportunities and supporting contract extensions. You will work with Delivery Directors to expand existing client relationships and win new business while maintaining robust client engagement.

The role emphasizes collaborating with internal teams, managing opportunities, and delivering high-quality bids and proposals in line with approved processes.

Qualifications

• Proven experience in account management, business development, or sales.
• Strong written and verbal communication, including proposal writing.
• Ability to manage multiple opportunities and forecast sales results.

Responsibilities

• Identify and pursue new business opportunities in Canberra and adjacent markets.
• Respond to opportunities within client panels to secure additional work.
• Facilitate bids and proposals to support account growth and contract extensions.

Skills

Account management

Business development

Sales

Bid management

Client relationships

Proposal writing

Education

Tertiary qualification in business, commerce, or related discipline

Tools

CRM software

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 for more information.

Role Title: NSS Account Manager

The NSS Account Manager is responsible for driving business growth by identifying and securing new opportunities. Additionally, Account Managers will provide support to the Delivery Directors’ and aid contract extensions and uncover additional growth potential.

CORE DUTIES

• Identify and pursue new business opportunities in adjacent markets and within existing accounts
• Respond to opportunities within established client panels to secure additional work
• Facilitate the development and submission of bids and proposals to support account growth

Account and Client Management

• Establish and maintain strong client relationships to support growth initiatives
• Manage account opportunities, sales results, and forecasts in line with approved sales processes
• Conduct regular call reports and maintain accurate records of client interactions and opportunities

Transition and Delivery Support

• Win work and establish new accounts, ensuring smooth transition to the delivery team for ongoing sustainment
• Support contract extensions to maintain and expand existing client relationships

Essential Requirements

• Proven experience in account management, business development, or sales within relevant industries
• Demonstrated success in identifying and securing new business opportunities and expanding existing accounts
• Facilitating bids, proposals, or contract submission
• Strong client relationship management and stakeholder engagement skills
• Excellent written and verbal communication skills, including report preparation and proposal writing
• Ability to manage account opportunities, sales results, and forecasts in line with approved processes
• Strong organisational and time-management skills, with the ability to manage multiple opportunities simultaneously
• Results-oriented, proactive, and self-motivated
• High attention to detail, particularly in documentation, reporting, and bid processes
• Collaborative and adaptable, capable of working with internal delivery and support teams

Desirable Requirements

• Experience in Defence, government, public sector, or large corporate account management
• Exposure to adjacent market opportunities and cross‑selling strategies
• Managing contract extensions and client panel opportunities
• Understanding of governance frameworks, sales processes, and commercial reporting
• Ability to analyse market trends and client needs to inform growth strategies
• Strategic thinker with strong problem‑solving and decision‑making capabilities
• Professional development or certifications in sales, account management, or business development
• Relevant tertiary qualification in business, commerce, or a related discipline

Required Security Clearance Level: NV1

Location: Canberra with Hybrid Optional

Weekly Hours: 40