Site Reliability Engineer
7 Nov 2025
HK HONG KONG
Verified by Turrior
Content + Source + Freshness • 13 Feb 2026 • 95% confidence
88 / 100
Offer value
A robust opportunity for engineers seeking to affect significant change through innovative systems and automation in a reputed investment firm.
- Engagement with significant engineering challenges
- Possibility of a flexible work environment
- Competitive roles in a leading investment firm
- High demands for technical and soft skills
Pros
- Work on cutting-edge systems in financial contexts
- Chance to influence the stability and resilience of applications
- Collaboration with both engineering and investment teams
Cons
- High-pressure environment, especially in production support
- Potentially long, irregular hours depending on incidents
- Niche focus may limit broader software engineering exposure
Who it's for
Mid-career / Experienced • Flexible work arrangements possible
Good fit
- Experienced engineers passionate about reliability
- Professionals with a blend of systems knowledge and software skills
- Individuals wanting to work in fast-paced tech environments
Not recommended for
- Entry-level candidates without experience
- Those who prefer strictly non-technical roles
- Individuals avoiding high-pressure scenarios
Motivation fit
Drive to enhance operational reliabilityPassion for automation and system improvementsDesire to work in high-impact finance environments
Key skills
Software development in PythonIncident management and root-cause analysisInfrastructure automation practicesUnderstanding of financial applications and systems
Score: 88/100 AI verified analysis
About the job
At Citadel, a leading investor in the world’s financial markets, we aim to win together as one team to earn the long-term trust of our capital partners and each other. Our collaborative approach allows technologists to grow alongside other team members and execute on big, innovative ideas.
Site Reliability Engineers (SREs) combine software and systems engineering expertise to build and operate the systems that power the firm’s investment strategies at the speed and scale required in fast-evolving markets. SREs are responsible for reducing complexity and improving performance in all corners of Citadel, providing early support for applications in development and ensuring crisp functioning of applications in production.
Members of the Citadel SRE team have software development backgrounds and varied experience across production engineering, software quality metrics, chaos engineering, networking, UNIX internals, cloud application architecture, and much more. A Citadel SRE’s work includes automation, instrumentation, optimization, incident response, and consultative support for other engineering teams. Crucially, Citadel SREs are commercial thinkers who partner closely with investment teams and enterprise functional teams to develop deep understanding of how applications work and to promote the SRE mindset, helping to build applications for stability and resiliency from their first stages.
When you join our team, you will be part of a cohesive group of engineers and investment professionals who are partnering to build world class tools and systems. If you have a mind for innovation and automation and enjoy using measurements and statistics to drive constant improvement, we are eager to hear from you.
YOUR OPPORTUNITY:
- Understand the end-to-end flow across applications at a business level
- Ensure the reliability, availability, and performance of applications in production
- Own the automation of repetitive tasks and resolution of systematic issues
- Investigate new ways to improve operations and define new solutions to solve technically complex systems issues
- Identify and deliver green-field engineering solutions for issues based on root cause analyses
- Own incident management and drive tactical and strategic solutions
- Lead by evangelizing the SRE mindset to other teams
- Learn from industry leaders, distinguished engineers and investment professionals
YOUR SKILLS & TALENTS:
- Minimum of a Bachelor’s degree in Computer Science, or a related STEM discipline, or equivalent experience
- Strong background in computer science fundamentals, data structures, algorithms, distributed systems
- Fully proficient in at least one modern structured programming language (Python preferred)
- Comfortable with a range of current software development tools and practices (testing, source control, build systems, CI/CD, etc.)
- SQL and database experience is a strong plus
- Web UI experience (JavaScript, CSS, React) is a plus
- Excellent written and verbal communication skills and a passion for solving problems
- Strong entrepreneurial spirit and the ability to adapt to changing requirements and technologies
- A passion for learning and inventing novel approaches to hard problems
Opportunities may be available from time to time in any location in which the business is based for suitable candidates. If you are interested in a career with Citadel, please share your details and we will contact you if there is a vacancy available.
In accordance with applicable law, the base salary range for this role is $105,000 to $300,000.
