IT Security Engineer Jobs in O Fallon, MO

Innovate and lead projects to modernize control systems for nuclear plants, overseeing technical execution and project management. Collaborate with multidisciplinary teams to ensure successful project...

Lead delivery of ALS lab data processing services for DOJ’s complex litigation. Oversee eDiscovery team, ensuring compliance with ESI specifications while providing strategic consultation and maintain...

Join a team that's enhancing system reliability and managing special transmission projects. You'll coordinate operations and optimize performance within a dynamic environment, ensuring compliance with...

Optimize system integration efforts as the technical lead for a vital IT modernization initiative, ensuring all components meet performance and security requirements for mission success across complex...

Transform the fiber construction landscape by managing teams and improving processes to enhance quality, efficiency, and customer experience while ensuring key performance indicators are met across mu...

Join our dynamic team to drive innovative Salesforce solutions for financial services. Leverage your expertise in architecture and development to design scalable, secure platforms while collaborating...

Engage in driving effective product support by managing issues, enhancing processes, and collaborating across teams to ensure smooth operations and improved user experience while ensuring clear commun...

Champion the planning and execution of complex multi-team releases, driving high-quality delivery across diverse applications. Provide strategic guidance, foster collaboration, and lead continuous imp...

Join us to lead the Activations engineering team, driving technical excellence and client success through high-quality integrations, mentoring engineers, and shaping architecture for impactful outcome...

Join a team that's pioneering geospatial intelligence software development. As a Senior Software Engineer, you'll architect scalable web applications in a classified environment, collaborating with en...

Empower a diverse engineering team to create extraordinary customer experiences through innovative, high-performance software solutions, while fostering a culture of collaboration and continuous impro...

Partner with us to design analytical solutions that drive public health outcomes. Lead multi-stakeholder projects supporting the 988 Crisis Lifeline, translating complex data into strategic insights f...

Drive quality assurance by leading automation testing for Salesforce apps using advanced tools. Collaborate with Agile teams to ensure seamless integration, rapid feedback, and performance excellence...

Join a dynamic team as you provide proactive, high-touch technical support for key accounts, ensuring success with large-scale Kubernetes deployment and fostering collaboration to enhance product perf...

Join as a Mechanical Engineer to support Military Sealift Command by driving technical excellence in maintenance management and system integrity for critical marine systems. Collaborate, innovate, and...

Drive innovation and efficiency in nuclear power engineering by conducting technical analyses, optimizing systems, and mentoring junior staff. Collaborate with project teams to deliver high-quality de...

Transform the fintech landscape by leading integration architecture and solutions for consumer lending platforms, driving technical quality and mentoring a dedicated engineering team to deliver secure...

Join a team that drives excellence in technical operations, providing leadership, developing strategies, and enhancing team performance to meet company goals while ensuring client satisfaction through...

Elevate your career by tackling technical challenges that enhance business systems, drive operational efficiency, and streamline communication between stakeholders and technical teams. Lead initiative...

Transform data and platform engineering strategies to drive enterprise-wide data governance, analytics innovation, and AI integration, ensuring scalable, compliant solutions align with business object...

Grow your career with a pivotal role, leading full-stack initiatives, defining architecture, and delivering scalable systems for AI integration across multiple channels. Collaborate with teams to opti...

Drive enterprise-grade analytics solutions by architecting Power BI dashboards. Collaborate with teams to deliver data-driven insights for major construction projects, enhancing operational decision-m...

Join a team that advises on capital projects and infrastructure strategies, evaluates project risks, and enhances transparency throughout asset management, while driving successful client outcomes in...

Drive advanced GEOINT analysis to enhance national security insights, integrating multi-INT sources and collaborating across agencies to deliver precise, actionable intelligence products tailored to s...

Drive strategic pricing initiatives, manage complex cost models, and collaborate with diverse teams to deliver compliant proposals in a fast-paced environment. Leverage expertise in federal procuremen...