"The demand for resilient, high\u2011performance infrastructure has never been higher, especially in fast\u2011moving financial markets where downtime means lost trades. Companies are racing to embed SRE best practices to keep services up 24/7, making a Site Reliability Engineer role a strategic asset. This contract position in New York offers you a chance to apply cutting\u2011edge reliability engineering on FIX\u2011based trading platforms.\n\n# Job Summary\nWe are seeking an experienced Site Reliability Engineer to design, implement, and maintain highly available systems for a trading platform. The role focuses on automating operations, managing AWS and co\u2011location environments, and ensuring reliability of FIX protocol communications while supporting US market trading hours.\n\n# Top 3 Critical Skills Table\n| Skill | Why it's critical | Mastery Level |\n|---|---|---|\n| Python automation | Drives repeatable deployments, monitoring scripts, and rapid incident response | Senior |\n| AWS & co\u2011location expertise | Provides scalable, secure infrastructure and hybrid networking required for low\u2011latency trading | Senior |\n| FIX protocol knowledge | Enables accurate parsing of market data and order flow, essential for financial services reliability | Senior |\n\n# Interview Preparation\n1. **How would you design a monitoring solution for FIX message latency?**\n *What the interviewer is looking for:* Understanding of end\u2011to\u2011end latency metrics, instrumentation points, and alerting thresholds specific to FIX.\n2. **Explain a recent Python script you wrote to automate a repetitive SRE task.**\n *What the interviewer is looking for:* Ability to write clean, idempotent code, use of libraries (e.g., Boto3), and impact on mean\u2011time\u2011to\u2011recover.\n3. **Describe the steps you\u2019d take to troubleshoot a DNS routing issue affecting a trading service.**\n *What the interviewer is looking for:* Knowledge of DNS hierarchy, caching behavior, and systematic debugging techniques.\n4. **What are the key differences between running services in AWS versus a co\u2011location data center, and how do you bridge them?**\n *What the interviewer is looking for:* Insight into network latency, security zones, hybrid connectivity (VPN/Direct Connect), and configuration management.\n5. **How do you implement on\u2011call rotations and ensure effective L2 support for high\u2011frequency trading windows?**\n *What the interviewer is looking for:* Experience with incident management tools, runbooks, escalation paths, and post\u2011mortem analysis.\n\n# Resume Optimization\n- Site Reliability Engineer\n- SRE\n- Python automation\n- AWS cloud\n- FIX protocol\n- SQL & transactional databases\n- TCP/IP networking\n- DNS routing\n- Co\u2011location (colo) environments\n- On\u2011call L2 support\n\n# Application Strategy\nWhen you email the recruiter, start with a friendly greeting, attach your up\u2011to\u2011date resume, and clearly reference the role. Make sure to highlight your top skills\u2014such as Python automation, AWS infrastructure, and FIX protocol expertise\u2014by linking them to concrete projects you\u2019ve delivered. Mention your experience with on\u2011call rotations and any relevant trading\u2011system work to show a direct fit.\n\n# Career Roadmap\n| Current Role | Typical Experience | Core Focus | Next Position |\n|---|---|---|---|\n| Junior SRE | 2\u20114 years | Monitoring, basic automation | SRE II |\n| SRE II | 4\u20117 years | Advanced automation, incident leadership | Senior SRE |\n| Senior SRE | 7+ years | Architecture, reliability strategy, team mentorship | SRE Manager |\n"