Web3 Linux SRE Jobs in Illinois

We are looking for a skilled Application Support Engineer to join our team supporting Nadex, a regulated derivatives trading exchange for TradeFi and Prediction Markets. You will play a critical role in ensuring the availability, stability, and performance of our production and demo trading environments. This is a hands-on role suited for someone who thrives in a fast-paced, mission-critical environment and takes ownership of operational excellence.

Responsibilities

• Production Support & Monitoring — Provide expert-level remote management, administration, and support for Production and Demo trading exchange environments, ensuring system availability and application stability.
• Daily Operations — Execute and monitor daily operational processing, including contract scheduling, settlement of expired contracts, and end-of-day/start-of-day procedures.
• Incident & Problem Management — Triage, troubleshoot, and drive resolution of production incidents. Follow defined escalation procedures and contribute to root cause analysis and post-incident reviews.
• Performance Tuning — Monitor application and system performance, identify bottlenecks, and implement tuning recommendations to maintain optimal exchange operations.
• Change & Release Support — Assist with version upgrades, deployments, and release validation in coordination with Development and QA teams.
• Shift Handover & Documentation — Maintain and update runbooks, SOPs, and operational documentation. Ensure seamless shift handovers with clear status communication.
• Process Improvement & Automation — Participate in the investigation, implementation, and operation of tools and scripts to automate, streamline, and continuously improve operational workflows.
• Collaboration — Work closely with Development, QA, Infrastructure, and partner teams to resolve cross-functional issues and support business-critical initiatives.
• Partner Support — Monitoring of our multiple partner channels covering FCMs, TSPs, and Market Makers and responding to any queries raised in Slack or Teams effectively and efficiently.

Requirements

• 5+ years of experience managing or supporting mission-critical production software applications.
• Strong working knowledge of Linux server operating systems.
• Proficiency in scripting and automation — Bash and/or Python.
• Hands-on experience with SQL and relational databases.
• Demonstrated incident management and technical troubleshooting skills.
• Solid understanding of escalation procedures and SLA-driven environments.
• Excellent interpersonal, verbal, and written communication skills.
• Strong attention to detail and a proactive, ownership-driven mindset.
• Willingness to occasionally work nights and weekends.

Preferred Qualifications

• Background in financial services, fintech, or regulated exchange environments.
• Knowledge or experience of options and futures trading markets.
• Knowledge or experience of prediction markets and sports
• Experience with FIX protocol and trading system applications.
• Familiarity with monitoring and observability tools — Grafana, Zabbix, Splunk, Logic Monitor.
• Experience with messaging and middleware systems — Kafka, AMQ, Tomcat.
• Working knowledge of high availability systems and clusters.
• Hands-on experience with AWS (EC2, CloudWatch, S3, etc.).
• Experience with change and release management processes.
• Exposure to SFTP / file transfer workflows and monitoring.

$70,000 - $110,000 a year#Remote Life @ Crypto.comEmpowered to think big. Try new opportunities while working with a talented, ambitious and supportive team.Transformational and proactive working environment. Empower employees to find thoughtful and innovative solutions.Growth from within. We help to develop new skill-sets that would impact the shaping of your personal and professional growth.Work Culture. Our colleagues are some of the best in the industry; we are all here to help and support one another.One cohesive team. Engage stakeholders to achieve our ultimate goal - Cryptocurrency in every wallet. Work Flexibility Adoption. Flexi-work hour and hybrid or remote set-upAspire career alternatives through us - our internal mobility program offers employees a new scope.  Are you ready to kickstart your future with us? BenefitsCompetitive salaryAttractive annual leave entitlement including: birthday, work anniversary401(k) plan with employer matchEligible for company-sponsored group health, dental, vision, and life/disability insuranceWork Flexibility Adoption. Flexi-work hour and hybrid or remote set-upAspire career alternatives through us. Our internal mobility program can offer employees a diverse scope.  Our Crypto.com benefits packages vary depending on region requirements, you can learn more from our talent acquisition team.About Crypto.com:Founded in 2016, Crypto.com serves more than 150 million customers and is the world's fastest growing global cryptocurrency platform. Our vision is simple: Cryptocurrency in Every Wallet™. Built on a foundation of security, privacy, and compliance, Crypto.com is committed to accelerating the adoption of cryptocurrency through innovation and empowering the next generation of builders, creators, and entrepreneurs to develop a fairer and more equitable digital ecosystem.Learn more at https://crypto.com. Crypto.com is an equal opportunities employer and we are committed to creating an environment where opportunities are presented to everyone in a fair and transparent way. Crypto.com values diversity and inclusion, seeking candidates with a variety of backgrounds, perspectives, and skills that complement and strengthen our team.Personal data provided by applicants will be used for recruitment purposes only.Please note that only shortlisted candidates will be contacted.We may use artificial intelligence tools to analyze the content of your Resume/CV against the specific requirements for the position. The purpose is to support our recruitment team in reviewing applications more effectively. These tools assist our recruitment team in their evaluation of your application by providing recommendations, but they do not replace human judgment. Final hiring decisions are ultimately made by humans who consider the insights generated by the tools along with other relevant information. If you would like more details about how your personal information is processed, please contact us.