• Senior .NET Engineer / Application Modernization Engineer for Fastwater Staffing • Must be willing to undergo fingerprinting and a government background check (CJIS-type). • LinkedIn profile required; all resumes will be verified against LinkedIn.

• Work with a nimble passionate security team, collaborating with development and product. • Conduct vulnerability triage: handle internal and external vulnerability reports, and more importantly: go beyond investigating and write fixes yourself. • Review code and help make decisions about secure coding decisions. • Review new product features to ensure they are designed with security in mind • Collaborate with other developers and teams for long term security success. • Code solutions for preventative measures and generating alerts. • Use your detective work to get to the AH-HA! moment when you find and replicate the root cause of an issue and figure out how to fix it. • You will care and be involved in our product, mission, and success - way beyond checking off tasks.

• Provide expert-level remote management, administration, and support for Production and Demo trading exchange environments, ensuring system availability and application stability. • Execute and monitor daily operational processing, including contract scheduling, settlement of expired contracts, and end-of-day/start-of-day procedures. • Triage, troubleshoot, and drive resolution of production incidents. Follow defined escalation procedures and contribute to root cause analysis and post-incident reviews. • Monitor application and system performance, identify bottlenecks, and implement tuning recommendations to maintain optimal exchange operations. • Assist with version upgrades, deployments, and release validation in coordination with Development and QA teams. • Maintain and update runbooks, SOPs, and operational documentation. Ensure seamless shift handovers with clear status communication. • Participate in the investigation, implementation, and operation of tools and scripts to automate, streamline, and continuously improve operational workflows. • Work closely with Development, QA, Infrastructure, and partner teams to resolve cross-functional issues and support business-critical initiatives. • 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.

• Lead the Technical Pre-Sales Process: Serve as the primary technical partner to Sales throughout the commercial lifecycle—from initial qualification through contract execution. • Develop robust energy storage models that quantify lifetime performance, degradation, efficiency, availability, and ROI. • Strengthen Technical Sales Enablement: Partner with Sales to respond to RFPs, RFIs, and technical due diligence requests with speed, accuracy, and credibility. • Collaborate with Marketing to develop application notes, white papers, case studies, and technical content that articulate differentiated value.