Applications Support Specialist – Data Infrastructure

Westbury Partners; Sydney; On-site; AUD 90,000 - 120,000; Full time

Benefits offered by this job

Healthcare

Retirement savings

Wellness programs

Incentive compensation

Job summary

Westbury Partners in Sydney is seeking an Applications Support Specialist to help maintain and enhance data infrastructure for high-performance trading systems. You will troubleshoot, optimize, and deploy robust infrastructure in a fast-paced financial environment, collaborating with developers, researchers, and traders.

The role focuses on real-time, low-latency applications, system stability, and scalable operations.

Qualifications

• 3+ years in trading system support.
• Strong UNIX/Linux knowledge.
• Experience with Python and SQL in real-time environments.

Responsibilities

• Provide first-line support for trading systems in real-time environments.
• Diagnose and resolve root-cause issues across infrastructure and applications.
• Plan and execute large-scale application migrations and upgrades.

Skills

UNIX/Linux systems

Python scripting

SQL queries

Network troubleshooting

Real-time trading systems

Tools

Bash scripting

Job description

Applications Support Specialist – Data Infrastructure

Westbury Partners – Sydney NSW

Full time

27d ago , from E-Financial Careers Australia

As part of a high-performance trading team, you’ll be solving large-scale computing problems and deploying robust trading infrastructure. You’ll work with world-class developers, researchers, and traders to deliver low-latency, fault-tolerant solutions. Support and enhance cutting-edge trading systems in a fast-paced environment. Troubleshoot, optimize, and collaborate on infrastructure projects while driving impactful solutions across real-time distributed applications and financial markets.

What You’ll Do:

• Provide first-line support for trading systems in real-time environments
• Diagnose and resolve root-cause issues across infrastructure and applications
• Plan and execute large-scale application migrations and upgrades

Your Responsibilities Will Include:

• Enhancing system stability, performance, and scalability
• Collaborating in live troubleshooting and brainstorming sessions with colleagues
• Writing SQL queries and developing scripts in Python or Bash
• Applying networking knowledge to optimize system operations

Why Join Us:

• Competitive base salary plus incentive compensation program
• Access to world-class benefits, including healthcare, retirement savings, and wellness programs
• Exposure to high-performance trading environments and advanced technology stacks
• Work alongside top professionals in finance, technology, and research

About You:

• Strong knowledge of UNIX/Linux systems and command line
• Familiar with TCP/IP, UDP, and network troubleshooting
• Skilled in Python scripting and SQL queries
• Curious, self-driven, and able to manage multiple priorities effectively
• 3+ years in trading system support preferred

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