Mainstream offers a fast paced and stimulating work environment. Our corporate culture is defined by our values.

For graduates and early career professionals, you can learn the ropes in a supportive yet challenging environment, with exposure to clients and the opportunity to collaborate across teams.

We also hire experienced administrators and fund accountants. Join a dynamic team with a focus on problem solving within a growing business.

No matter what role you have at Mainstream, you can play a part in shaping the organisation.

About Us

Mainstream is a leading global independent administrator, listed on the ASX (stock code: MAI). Our clients are typically fund managers, superannuation trustees and listed companies.

Mainstream Fund Services has specialist teams in investment administration (fund services), middle office, fund accounting and unit registry (transfer agency) services. Many of our employees have moved within these teams to progress their career. We also have dedicated teams in superannuation administration (Mainstream Superannuation Services) and share registry (ShareBPO).

Our offices are in prime locations in Sydney, Melbourne, Hong Kong, Singapore, Dublin, New York and George Town (Grand Cayman). As well as your direct team you will have the opportunity to work with, and learn from, our business owners as they are directly involved in all aspects of the business.

Why work for us?

Five reasons to join us:

  • Build trusted, valued relationships with our clients. Every role is client-facing.
  • Work with people that act with honesty and integrity. Individuals are recognised and rewarded for their performance and contribution.
  • We aim for zero bureaucracy. Everyone is accountable for their actions and is expected to collaborate with other teams.
  • Focus on activities that help our clients be high performing. Use only the best available technology platforms.
  • Come to work feeling empowered. Solve problems and seek out new ways to grow with our clients.

If you want a job where you’ll be challenged, where you will have a direct relationship with the fund you are administering, and where you can learn from your peers and leaders, then Mainstream may be the place for you.

  • 217 employees
  • Workforce diverse in gender and cultural backgrounds
  • 8 global locations: Australia, Hong Kong, Singapore, New York, Cayman Islands, Ireland, Isle of Man and Malta.
  • Career progression opportunities through 3 businesses: Mainstream Fund Services, ShareBPO, Mainstream Superannuation Services

Expressions of interest

Current open positions are advertised on Seek.

In addition to any current open positions, Mainstream Fund Services is always looking for dedicated professionals interested in fund accounting jobs, unit registry (transfer agency) jobs and investment administration jobs.

To express your interest in joining one of our teams, send your CV with a covering email or letter to

We regularly look for candidates for the following positions:

Unit Registry Administrator

  • Receive and process applications, redemptions and switches
  • Calculate and pay advisor commissions
  • Maintain investor and adviser records
  • Process and facilitate distribution payments
  • Send investor correspondence, such as including distribution and annual tax statements, to investors
  • Handle client and investor enquiries
  • Completing of daily and monthly client reporting
  • Support business process re-engineering
Skills & Experience
  • Exceptional customer focus
  • High level attention to detail
  • Ability to work well under pressure
  • Strong team player
  • Assertiveness and proactive   
  • Degree qualification desirable but not essential

Fund Accountant

  • Provide end to end fund accounting services to various clients, including:
  • Reconciliation of bank accounts
  • Payment processing
  • Month end reporting and reviewing
  • Calculation of distributions
  • Preparation of Business Activity Statement (BAS) returns
  • Quarterly and yearly financial statements
  • >Stakeholder management
Skills & Experience
  • Excellent communication skills
  • Keen sense of initiative
  • Demonstrated exceptional customer focus
  • Ability to continuously improve processes
  • Relevant accounting qualifications
  • CPA / CA desirable

Investment Administrator

  • Perform net asset value (NAV) calculations; compare to  benchmarks and investigate difference
  • Liaising with fund managers, brokers and custodians to support production of the portfolio valuation
  • Reconciliation of investment activity to custodian or prime broker
  • Prepare client instructions to custodian or prime broker
  • Support business process re-engineering
Skills & Experience
  • Ability to work well under pressure
  • High level attention to detail
  • Strong team player
  • Strong communication and analytical skills
  • An understanding and interest in financial markets
  • Advanced Excel preferred but not essential
  • Degree in accounting, business or mathematics preferred

Over $123 billion in funds are outsourced to Mainstream: