Top Senior IT Jobs in St. Louis, MO

The Senior IT Operations Analyst resolves complex IT issues, mentors analysts, collaborates with engineering, and drives automation and AI improvements in operations.

The Senior IT Engineer will design, build, and maintain integrations across diverse technology stacks, ensuring data flow and operational efficiency while mentoring junior staff and collaborating with various engineering teams.

The Senior Enterprise Architect will lead CRM architecture for Cengage, focusing on Salesforce integration and ensuring scalable enterprise capabilities, while mentoring teams and reducing technical debt.

Lead complex IT initiatives across application development, infrastructure, cybersecurity, and data platforms while collaborating with various stakeholders.

Lead and deliver infrastructure and cloud migration projects (IaaS/PaaS), manage multiple project teams, stakeholder communications, budgets, risks, vendor coordination, and project governance from planning through execution.

Senior IT leader responsible for leading a 30+ developer application development organization across multiple insurance lines. Owns modernization, legacy reduction, AI-enabled application delivery, cloud architecture, vendor evaluations, and roadmap alignment with business stakeholders while developing engineering managers and driving cross-line transformation.

Perform end-to-end FedRAMP assessments for cloud service providers: interview SMEs, review IaaS architectures (AWS/Azure/OCI), validate NIST SP 800-53 controls, analyze vulnerabilities, verify encryption and configurations, draft deliverables, and mentor project team members.

Perform end-to-end FedRAMP assessments: interview CSP SMEs, walkthrough cloud architectures (AWS/Azure/OCI), evaluate NIST SP 800-53 controls, validate configurations and vulnerabilities, draft deliverables, train and mentor team members, and support practice development.

The role involves managing application services, driving improvements, handling incidents, and leveraging domain knowledge to enhance service quality and efficiency.

Lead execution of the IT SOX audit program, performing IT general and application controls testing, evaluating control design across cloud/SaaS/virtual environments, preparing audit documentation and reports, coordinating with stakeholders and external auditors, and monitoring remediation of control deficiencies.

Drive IT operational maturity and financial management by analyzing spend and operations, managing renewals and PO lifecycle, delivering reports, advising leadership on budget optimization, vendor rationalization, and process improvements.

Lead enterprise IT audit strategy and execution for insurance and financial systems. Oversee audits of core insurance platforms, financial systems, cybersecurity, cloud, IAM, SDLC, and regulatory compliance. Advise executives and regulators, manage remediation, prepare Audit Committee reporting, and mentor IT audit staff.

Lead and manage a team responsible for design, deployment, and support of enterprise Wi-Fi (Cisco platforms). Ensure stability, performance, security, and capacity planning; manage vendors/carriers and SLAs; define KPIs and report to leadership; drive modernization projects, automation, and process improvements. Participate in on-call rotation and after-hours work as needed.

Lead and manage a virtualization team operating mixed VMware and Nutanix environments. Ensure availability, performance, security, upgrades, migrations, automation, capacity planning, incident management, vendor relations, KPIs, and alignment with cloud and business objectives.

Lead an Automation Center of Excellence to build and maintain IaC, automation pipelines, and configuration management across colo and multi-cloud (Azure, GCP, OCI). Drive standardization, governance, security controls, CI/CD integration, incident management, GitOps and policy-as-code adoption. Mentor team members, manage vendor relationships, measure automation KPIs, and provide executive reporting. Participate in on-call rotation and work outside normal hours as needed.

Support and manage Private Bank applications including risk deliverables, change/issue requests (CRQ/EMR/ERP), and Jira BAU stories. Interface with technology and business partners, document processes, complete audited deliverables, and train teammates within an Agile environment as an individual contributor.

Perform IT risk audits across applications, OS, databases, networks and cloud environments. Develop and execute test programs, analyze controls, document findings, communicate results, and track remediation. Lead audit engagement lifecycle and collaborate with stakeholders on risk assessment and audit planning.

Manage and improve cloud-based SaaS IT environment, administer M365 and identity systems, operate and tune security platforms (Arctic Wolf, Zscaler, Okta, Mimecast), monitor alerts and lead incident response, oversee helpdesk (Freshservice), manage vendors, enable users through training and documentation, and apply AI and automation to streamline IT operations.

The Senior IT Engineer will design a cloud-based IT environment, enhance security practices, implement automation, lead projects, and mentor team members.

Develop and support Oracle EBS R12 and Oracle Cloud ERP finance modules. Build PL/SQL packages, reports, data models, and integrations; perform root-cause analysis, testing, patching, documentation, and collaborate with stakeholders to deliver scalable technical solutions.

The IT Infrastructure Engineer will troubleshoot hardware issues, manage RMA processes, and perform diagnostics on enterprise servers in a data center.

Accountable for infrastructure, systems, network, and telecommunications projects to ensure operational availability and security. Provide tier-2/third-tier support, on-call coverage, capacity planning, vendor collaboration, process and documentation creation, and guidance on technical project planning and implementation.

As Director of IT, you'll lead IT services including Helpdesk, identity, and corporate infrastructure, focusing on automation, user experience, and team growth.

The IT Project Manager will oversee large-scale IT projects for public sector clients, ensuring deliverables meet project goals, timelines, and budgets while applying project management best practices.

Serve as first-line IT support for hardware, software, networking, and enterprise applications. Triage and resolve support tickets, manage onboarding/offboarding, administer Okta and endpoint management (Intune, Jamf), maintain device health and access controls, collaborate with Security and Engineering, document processes, and improve support workflows to ensure a secure, compliant, and user-friendly hybrid work environment.