Sr. Application Support Engineer

University graduate or equivalent with background of bachelor’s in computer science.

Ability to read and trace Java, C++ and/or scripting languages.

Possess the understanding of PAAS and implementation with OpenShift.

Experience or having high motivation to pick up cloud implementation on AWS.

Experience in handling client issues and expectation management.

Experience in Application Support, software development and deployment (SDLC).

Good Unix skills, including scripting experience.

Experience of XML and XSLT.

Experience of databases including SQL scripting, preferably but not limited to Oracle.

Good understanding of messaging platforms and protocols like FIX and IBM MQ.

Understanding of networking principles, its practical uses and basic troubleshooting.

Experience in encrypted connectivity channels utilizing SSL and TLS.

Have experience of working in the Finance Industry.

Knowledge of the Financial OTC Derivative and FX products.

Good understanding of Application Support processes.

Awareness of Derivatives products and post trade processing (desirable).

Be flexible regarding hours including weekends and public holidays.

Knowledge of financial protocols like FIX, FPmL, TOF etc

Ability to understand Application architecture, and able to effectively navigate to the problem area.

Ability to apply analytic methodology, such as trending, distribution etc., to get insight from application data to help troubleshooting.

Ability to understand business workflow and tie to technical implementation.

Every employee at OSTTRA is an owner, and a member of The Trust, our employee ownership programme. Our distinct culture encourages colleagues to think and act like owners and raise the bar constantly. This plan reflects our belief that when we work together to build a stronger, more valuable organisation, then all colleagues should benefit from the value we create.

We build and operate the infrastructure that the world’s post-trade financial system runs on. Launched in 2021, we have unified more than 20 years of heritage and expertise from four industry leaders into a single, integrated business.

Today,we operate a trusted network that connects thousands of market participants to streamline end-to-end workflows, from trade capture through portfolio optimisation.We translate industry change into workable process, engineering an open, intelligent ecosystem that removes friction and reduces risk for the global markets. Our distinct ownership culture is underpinned by four behaviours: boldness, curiosity, accountability, and collaboration. In 2025 we were acquired by KKR, one of the world’s most successful private equity firms, and are on a journey of growth and impact.

Joining our team now is a unique opportunity - you will help to shape the next generation of post-trade, transform shared infrastructure into shared benefit, and accelerate your own career. Learn more at www.osttra.com .

We are committed to fostering a connected and engaged workplace where all colleagues have access to opportunities based on their skills, experience, and contributions. Our hiring practices emphasise fairness, transparency, and merit, ensuring that we attract and retain the best talent. By valuing different perspectives and promoting a culture of respect and collaboration, we drive and operate the infrastructure that the world’s post-trade financial system runs on