IT Security Engineer Jobs in O Fallon, MO

Engage as a Technical Lead to design, modernize, and enhance federal software systems. Drive engineering excellence across the SDLC, mentor teams, and deliver secure, scalable applications in mission...

Lead the charge in growing a high-performing Application & Product Security team. You’ll set strategic direction, define KPIs, and stay hands-on, ensuring AI-first, scalable security practices while m...

Champion infrastructure excellence by enhancing AWS solutions to support scalable, reliable, and secure applications while collaborating with cross-functional teams to implement innovative features an...

Tackle IT risk management challenges by overseeing third-party service providers. Your expertise will enhance operational and cyber resilience across financial institutions through targeted reviews, e...

Lead the charge in optimizing and modernizing hybrid infrastructure for a major federal agency. Collaborate with stakeholders on assessments, automation, and performance enhancements to ensure a secur...

Transform web engineering excellence by leading cross-functional teams, defining architecture, and implementing best practices to propel high-quality, scalable web solutions that enhance performance a...

Transform CI/CD processes while managing Azure Cloud workloads and automation. Collaborate with development teams to enhance infrastructure, optimize performance, and ensure seamless release cycles, f...

Empower your career as you lead a skilled DevOps team in driving cloud architecture, ensuring operational excellence and secure environments for critical systems, while leveraging advanced monitoring...

Drive operational excellence as a DevOps Team Lead overseeing cloud architectures, ensuring system reliability and security across multiple environments, while leading a talented team to deliver super...

Accelerate progress at scaling robust infrastructure to support reliable, efficient mortgage services. Join a dynamic team committed to building tools that enhance engineering velocity and platform re...

Lead and enhance L1/L2 IT support operations while mentoring a dedicated team. Manage escalations, improve processes, and drive IT service excellence while ensuring seamless user experiences throughou...

We are looking for an experienced Automation Cloud Engineer to design, implement, and maintain automation solutions for our cloud infrastructure. The role involves collaborating with the cloud enginee...

Drive the development of cloud-native applications in Microsoft Azure, collaborating across teams to deliver high-performance solutions while modernizing systems and executing Agile methodologies for...

Drive the delivery of innovative cloud solutions, optimizing scalability and performance for complex enterprise environments. Collaborate with a dedicated team to architect, manage, and support robust...

Oversee regional physical security operations across multiple data centers, ensuring the protection of critical infrastructure, compliance with corporate standards, and effective incident response as...

Join a team that's dedicated to optimizing network infrastructure while collaborating across departments. You'll manage and support networks, troubleshoot issues, and ensure secure connectivity in a f...

Drive the Internal Platform Infrastructure program, enhancing cross-functional integrations and security initiatives while managing multiple complex workstreams and vendor relationships for operationa...

Develop and manage enterprise identity and access solutions, ensuring secure authentication and compliance with Zero Trust principles. Lead the implementation of Microsoft Entra services and integrate...

Champion security initiatives by enhancing customer trust and engagement. Lead cross-functional teams to implement robust security practices and tools while managing complex projects in a dynamic and...

Shape the future of mission-critical electrical design by managing projects from concept to completion, collaborating with multidisciplinary teams, and developing design standards while ensuring quali...

Lead the charge in managing a dynamic incident response team, ensuring quality investigations and proactive threat hunting while driving continuous improvement and fostering a high-performance culture...

Optimize cloud operations as a Senior DevOps Engineer by enhancing infrastructure and automating software delivery workflows. Collaborate with development teams to ensure security and efficiency in a...

Lead customer engagement to architect large-scale AI and HPC solutions, ensuring successful deployment strategies. Collaborate with technical teams to optimize infrastructure for demanding workloads i...

Accelerate progress at a leading consulting firm as a Network Engineer, where you'll implement and optimize industrial networks, collaborate with experts, and deliver impactful solutions that enhance...

Lead the charge in transforming Data Center solutions by analyzing trends, customer needs, and competitive landscapes to develop a strategic product portfolio that drives innovation and optimization...