Location: Sydney, Australia

Are you interested in a career that involves business development in a consulting infrastructure firm? Do you want to learn and gain insights about infrastructure projects worldwide in the energy, water, transport, and climate change sectors? Do you have the ability to write clearly and communicate in a compelling way?

If so, we are looking for someone to help Castalia win high-value, high-impact work by contributing to our response to procurements from international agencies and governments in various countries. Write, proofread and edit documents and blog posts highlighting our service offerings and experience. Prepare compelling marketing presentations for our private sector clients and help train other Castalia staff on business development activities. Support with marketing campaigns and social media engagement across all online platforms. Keep our business development information systems and processes updated and continuously improving.

About Castalia

At Castalia, we use our knowledge, skills, and experience to question and redefine how the world's infrastructure challenges are solved. Thinking for a better world is more than our tagline – it is our driving philosophy. Founded in 1980, Castalia has over 40 years of global experience advising private sector investors, governments and international donor organisations on infrastructure. Castalia has undertaken assignments in 144 countries globally. Our Australian and New Zealand offices run as one integrated team, which splits its time between trans-Tasman projects and work in the Pacific Islands, as well as Southeast and Central Asia.

Duties for this role:

Business Development (90%)

Respond to business opportunities, including:

Monitoring and screening published procurement opportunities (i.e., governments, MDBs, private agencies,etc.), and circulating relevant opportunities to Practice Leaders

Tracking procurement timelines, deadlines, and requirements to ensure timely action

Registering Castalia on procurement portals and maintaining up-to-date vendor profiles

Reviewing procurement documents (RFIs, RFQs, RFPs) to extract key requirements, evaluation criteria, and instructions

Preparing Expressions of Interests (EOIs) for suitable public procurement opportunities

Submitting EOIs via client portals.

Contribute to proposal development by:

Drafting company qualifications and capability statements

Identifying and preparing CVs of proposed team members in compliance with procurement formats

Assisting with costing and budgeting

Managing proposal development timelines and deliverables

Ensuring compliance with all procurement and submission requirements

Proofreading, finalizing, and submitting proposals via client portals

Coordinate inputs from internal and external stakeholders throughout the procurement process to ensure quality and consistency

Manage and update Castalia’s Customer Relationship Management (CRM) and Qualifications (Quals) databases ensuring accurate and timely records of all business development and procurement activities

Maintain business development tools, templates, and trackers to ensure information is complete, correct, and current

Track procurement outcomes and debriefs to inform continuous improvement of future submissions

Support the development of procurement capability materials (i.e., EOI templates, CV libraries, qualification summaries, etc.).

General (10%)

Prepare high impact marketing presentations showcasing Castalia’s service offerings and expertise, for both private and public clients

Thoroughly understand and clearly convey the established brand voice through all marketing materials

Craft creative and persuasive content for a global audience using multiple channels including but not limited to social media, website, blogs, paid ads, and marketing campaigns

Improving our business development approach, by

Identifying opportunities to improve how we do business development and marketing

Working with managers and others to develop and implement improvements

Train and coach others in following our business development approaches successfully

Assist the BD Manager with ad-hoc BD tasks as required

Who we’re looking for:

Bachelor’s degree in communications or a similar field

At least 2 years of relevant experience

Experience in writing, editing, and publishing blogs

Experience in document preparation, including proofreading, and formatting

Native-level fluency in English. Fluency in other languages is a plus

Highly proficient in MS Word, Excel, and PowerPoint, with the ability to translate content into compelling and high-quality presentation materials.

We’d love if you have:

Experience preparing Proposals, preferably for a professional services firm in a public-procurement environment

Experience with international agencies, such as the World Bank and Inter-American Development Bank

Proficiency in the use of social media as a marketing tool

Proficiency in the use of graphic design as a marketing tool

Experience with website content management and publishing (e.g. WordPress)

Familiarity with keyword placement and SEO

Creative thinking

Remuneration and Benefits

This is a full-time position. The salary range for a Senior Business Development Associate is $70,000 to $102,000.

Castalia offers a competitive benefits package that includes additional paid holiday leave in between Christmas and New Year public holidays, highly flexible working arrangements, a travel policy that enables staff to combine work and personal travel, and rapid ongoing professional training, coaching and development.

How to apply

If you are interested in this position, please apply directly on our website: https://castalia-advisors.com/join/

You will need the following information and documents ready:

Cover letter and Resume/CV

Two professional references

Writing sample

Academic Transcripts

Application closing date: 24 August 2025

Position start date: 1 September 2025

Due to the number of applications we receive, we will only contact shortlisted applicants.