Senior Software Engineer, Connex on HP Nonstop

Sydney, New South Wales March 28, 2026 Workday Recruiting (Fis Tenant, Fisglobal.wd5.myworkdayjobs.com)

Position Type :

Full time

Type Of Hire :

Experienced (relevant combo of work and education)

Education Desired :

Bachelor of Computer Engineering

Travel Percentage :

0%

As the world works and lives faster, FIS is leading the way. Our fintech solutions touch nearly every market, company and person on the planet. Our teams are inclusive and diverse. Our colleagues work together and celebrate together. If you want to advance the world of fintech, we’d like to ask you: Are you FIS?

About the role
We are hiring for Senior Software Engineer, Connex on HP Nonstop to modernise payments processing in Australia. This role will be based in Sydney and will involve supporting major banking and payments clients.

What you will be doing

  • Implementation of new security standards into locally supported online payments messages.
  • Developing support for AES and Key Blocks in the Connex switch application to enable Banks to migrate from current to updated security standards for card-based payment transactions.


What you bring

  • Minimum 10 years of software development experience
  • HPE NonStop development experience
  • TAL/pTAL, TACL, Guardian, SQL/MX and Enscribe database, Pathway
  • Experience with key management and validation services as used in payments industry.
  • Connex on HPE NonStop Payments systems experience is highly desirable
  • Experience with Thales Hardware Security Modules or other security devices is highly desirable.
  • AS2805 or ISOS8583 based scheme and interchange links development experience
  • Experience with delivering best practices for Managed Service clients based on ITIL framework -

What we offer you:

At FIS, you can learn, grow and make an impact in your career. Our benefits include:

  • Flexible and creative work environment
  • Diverse and collaborative atmosphere
  • Professional and personal development resources
  • Opportunities to volunteer and support charities
  • Competitive salary and benefits including comprehensive medical and personal insurance cover and employee share scheme

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Privacy Statement

FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice.

Sourcing Model

Recruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.

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How to Get Hired at FIS UK

  • FIS UK is a wholly owned subsidiary of NYSE-listed Fidelity National Information Services, Inc. (ticker FIS), headquartered for the parent in Jacksonville, Florida, and employs approximately 6,000 people across London, Solihull, Nottingham, and Glasgow.
  • The merchant acquiring business that historically traded as Worldpay was spun off to GTCR on 31 January 2024 in a transaction valuing it at approximately USD 18.5 billion, with FIS retaining a since-reduced minority stake. Worldpay is now a separate company with its own careers site at careers.worldpay.com and a separate Workday tenant.
How to apply to FIS UK

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