Administration Assistant

12 hours ago

Charlestown, New South Wales, Australia Kleinfelder Australia Inc Full time $60,000 - $80,000 per year
Job Description

Administration Assistant

The Opportunity

We are seeking a proactive and detail-oriented Administration Assistant to join our Newcastle office, supporting both local operations and the broader NSW team, including our Sydney office. As part of our national administration support team, you will also contribute to wider business needs across Australia. This dynamic role offers variety, challenge, and the opportunity to grow your career within a collaborative and supportive environment. 

Key Responsibilities

  • Provide high-quality administrative support across teams and offices.
  • Format and compile reports and proposals using templates and Adobe tools.
  • Maintain document control and ensure quality and accuracy in all outputs.
  • Coordinate office needs including stationery, couriers, inductions, and facilities.
  • Manage reception duties with professionalism, discretion, and attention to detail. 
  • Collaborate with and support various team members, including managers, project staff, and administrative colleagues, while effectively balancing competing priorities.
  • Contribute to process improvements and system efficiencies.
  • Provide administrative support to managers during the employee onboarding process.
  • Maintain and support tender and client portals

What you will bring

  • Strong Microsoft Office and Adobe skills.
  • Minimum 3 years' experience in a fast-paced administrative role environment.
  • Excellent written communication and attention to detail.
  • Proven ability to manage multiple tasks and work collaboratively.
  • A positive, can-do attitude and willingness to take on new challenges.
  • Experience in general office, reception, project administration and ad hoc duties.

Desirable Criteria

  • Certificate III in Business Administration (or above).
  • Experience in process management.
  • Experience working within a professional services office (environment/engineering etc).
  • Experience working with Deltek software program will be highly regarded.

The Company

Kleinfelder Australia is an environmental consulting firm providing professional and technical services for land contamination and remediation, geotechnical investigation and design, environmental planning and approvals, ecology and land rehabilitation and management.

Kleinfelder Australia, as part of the global Kleinfelder Group, an environmental, engineering and science-based consulting firm, can utilise the experience of over 3,000 employees globally. With almost 100 staff operating across Australia, we deliver our projects with local and international experience across multiple disciplinary lines.

Why Join Kleinfelder?

We offer a range of benefits to support your development and well-being:

  • Competitive salary and extra leave options (e.g. purchased leave, paid parental leave, public holiday swap),
  • Flexible work arrangements, including hybrid working,
  • Access to health and wellness programs (e.g. EAP),
  • Career development support and study assistance, and
  • Recognition and reward programs.

Kleinfelder is an equal opportunity employer where we value and celebrate diversity and inclusion. We encourage individuals from all backgrounds including Aboriginal and Torres Strait Islander peoples to be part of our organisation and apply.

Applications close 12 October 2025.

If this sounds like the opportunity you have been looking for, and require any further information, please email our friendly HR team at

To be eligible for this position you must have unrestricted legal working rights to work in Australia.

Kleinfelder will be managing this process and applications from third party recruiters will not be accepted.

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