Top Senior IT Jobs in St. Louis, MO

Leads the engineering organization responsible for Maritz Rewards, Fulfillment, and Commerce platforms. Defines technology strategy and architecture, guides cloud and commerce technology decisions, promotes responsible AI-assisted development, and mentors managers and architects. Manages executive, client, vendor, security, compliance, budget, and operational relationships while driving scalable, secure solutions across catalog, redemption, order management, payments, and fulfillment integrations.

Partners with IT hiring managers to develop talent acquisition strategies, source and screen candidates, build diverse pipelines, and present qualified talent. Provides recruiting consultation, interview guidance, offer support, vendor coordination, TA systems maintenance, reporting, and special-project leadership. Helps maintain recruiting policies, procedures, communications, and organizational talent acquisition programs while mentoring colleagues and promoting Navitus’ employment brand.

Senior Agile Business Analyst supporting a federal case management modernization program. Responsibilities include backlog decomposition, requirements elicitation, user story development, process mapping, customer journey mapping, acceptance criteria, validation, risk management, Agile ceremonies, and collaboration with Product Owners, architects, testers, developers, and court stakeholders. The role also supports testing, business process re-engineering, technical documentation, cloud solution implementation, and continuous process improvement.

Owns and leads Regulatory IT systems supporting Global Regulatory Affairs and R&D. Responsibilities include maintaining technology roadmaps, managing system enhancements and implementations, overseeing vendors and releases, providing production support, delivering integrations, conducting data mapping and validation, and ensuring GxP, HIPAA, GDPR, and CCPA compliance. The role serves as the primary IT partner for regulatory business units, manages budgets, and coordinates cross-functional teams delivering regulated technology initiatives.

Lead the design and operation of a cloud-first IT environment, including SaaS administration, endpoint management, security, automation, email platforms, and AI-powered workflow agents. The role drives cross-functional IT projects, mentors team members, maintains standards and documentation, resolves complex escalations, and supports onboarding and escalated tickets. Key responsibilities include managing Google Workspace, Proofpoint, Slack, Okta, Jamf, Intune, and related systems while improving reliability, security, and operational efficiency.

Develops, tests, deploys, and maintains enterprise applications using Microsoft .NET technologies, SQL Server, REST/SOAP services, and modern web tools. Participates in SAFe Agile Scrum ceremonies, CI/CD automation, DevSecOps, secure coding, testing, code reviews, vulnerability remediation, troubleshooting, and application modernization. Collaborates with product owners, developers, testers, stakeholders, and technical teams while supporting documentation, production operations, and software lifecycle delivery for Department of Veterans Affairs systems.

Manages and optimizes procurement operations, Coupa workflows, supplier onboarding, purchase orders, invoices, and procurement integrations. Maps and improves business processes, implements ITGC-compliant changes, leads testing and sign-off, develops spend and supplier performance reporting, and resolves invoice and purchase order discrepancies. Drives Coupa Supplier Portal, CXML onboarding, and e-invoicing adoption while partnering with finance, accounts payable, stakeholders, suppliers, and Coupa support.

Design, develop, and optimize scalable Databricks data pipelines using PySpark, SQL, Spark, and Delta Lake. Build workflows, ingestion and transformation processes, data quality checks, monitoring, and CI/CD automation. Optimize distributed workloads, configure Databricks compute, support cloud governance and access controls, troubleshoot production issues, and collaborate with technical and research stakeholders to deliver secure, reliable analytical datasets.

Designs and manages CI/CD pipelines, automated testing, security scans, and multi-environment deployments. Builds Infrastructure as Code and configuration management solutions, authors Helm charts for OpenShift, and manages Kubernetes, cloud, networking, databases, monitoring, logging, and system security. Develops Python and Bash tooling, contributes to software repositories, creates architecture documentation, and supports complex enterprise systems in a classified environment.

Supports global IT procurement by implementing sourcing strategies, managing supplier relationships, negotiating software and IT professional services contracts, coordinating complex initiatives, and collaborating with stakeholders on procurement processes. Requires strong analytics, negotiation, contract, communication, technology-market, and financial skills. The role is remote and may involve up to 10% domestic or international travel.

Supports the U.S. Navy’s Office of Communications Outreach through public affairs, media relations, market research, community engagement, and event planning. Responsibilities include coordinating Fleet Weeks, Navy Weeks, executive visits, public events, itineraries, trip books, media monitoring, and stakeholder communications. The role requires collaboration with government officials, organizations, corporations, and community groups, along with nationwide travel and support for high-profile outreach initiatives.

The Senior IT Security Engineer strengthens cybersecurity across architecture reviews, AI and emerging technology assessments, IAM governance, vulnerability management, third-party risk, security assurance, incident response, phishing simulations, automation, and regulatory compliance. The role validates security controls, supports remediation, develops risk metrics and reporting, oversees identity platforms, and partners with technology, business, audit, compliance, procurement, and vendors in a regulated banking environment.

Leads secure, reliable IT infrastructure supporting distributed clinical research sites and remote employees. Manages enterprise networking, Azure and Microsoft 365 services, endpoint platforms, automation, AI-enabled operations, vendors, budgets, and technology projects. Oversees site deployments, security and compliance initiatives, service delivery, and operational improvements while recruiting, coaching, and developing technical teams.

Evaluates IT infrastructure, applications, cybersecurity, compliance, costs, scalability, and compatibility during mergers and acquisitions. Leads technology integration and separation planning, identifies modernization and consolidation opportunities, conducts IT capability and maturity assessments, recommends governance frameworks, and aligns technology strategy with business objectives. The role also prepares diligence reports and executive presentations while collaborating with internal and external stakeholders in fast-paced transaction environments.

Provides application and system support, troubleshoots issues, manages testing and deployments, develops ETL tools and reports, and conducts business analysis. The role defines requirements, identifies IT solutions, supports system integrations, documents procedures, guides team members, and communicates with stakeholders. It also applies agile practices and supports process improvements within a financial services environment.

Leads IT governance, risk, and compliance activities, including SOC 2 readiness, audit planning and execution, policy development, control assessments, evidence gathering, remediation tracking, and regulatory research. Partners with auditors, control owners, IT leadership, and GRC team members to maintain compliance with NIST CSF and financial services regulations. Provides guidance on audit and policy matters while improving GRC processes and tooling.

Monitors and triages security alerts, investigates and documents incidents, supports identity and access management, vulnerability remediation, security awareness, phishing simulations, incident response, and security control checks. Collaborates with IT teams and an MSSP to resolve security issues, tune security tools, maintain documentation, and escalate threats. Requires availability for identity and access management, incident response, and escalation outside standard business hours.

Provides global presales technical expertise for IT virtualization and infrastructure modernization solutions. Partners with account executives, engages customers, leads architecture discussions, presents solutions, advises on virtualization and migration strategies, develops service scopes, and supports pricing and delivery alignment. Requires deep virtualization architecture experience across VMware or related platforms, cloud, containers, security, AI, and infrastructure modernization.

Designs and manages AWS cloud infrastructure and Amazon EKS platforms using GitLab CI/CD and Infrastructure as Code. Builds ETL workflows and scalable data pipelines for analytics and AI workloads, supports MLOps/AIOps and FinOps capabilities, troubleshoots Linux systems, and improves platform performance, security, scalability, and availability.

Designs and maintains secure AWS cloud infrastructure, Amazon EKS clusters, and GitLab CI/CD pipelines. Integrates vulnerability scanning, compliance controls, secrets management, and container security into DevSecOps workflows. Supports MLOps/AIOps platforms, AI model deployment, data pipelines, monitoring, and automation. Ensures FedRAMP, NIST, audit, and internal security compliance while collaborating across engineering teams.

Lead life sciences IT compliance and quality consulting projects, including CSV, CSA, risk-based validation, regulatory assessments, audits, data integrity reviews, and compliance modernization. Develop validation plans, requirements, risk assessments, test plans, trace matrices, policies, and client presentations. Evaluate regulated systems and infrastructure, support technology implementations, communicate with technical and executive stakeholders, and contribute to proposals, business development, and client relationship growth.

Develops and maintains virtualized mission applications for VDI and thick-client environments using Citrix, VMware, and Microsoft technologies. Responsibilities include application sequencing, testing, user-settings persistence, automation, infrastructure configuration, disaster recovery, patching, troubleshooting, performance tuning, incident resolution, and technical documentation. The engineer works onsite with intelligence customers, operates independently, supports application delivery, and provides training and design materials.

Designs, installs, configures, maintains, and upgrades audiovisual systems, including conferencing, digital signage, presentation, sound, and control systems. Troubleshoots complex AV issues, manages AV network integration, documents configurations, trains users, coordinates vendors and equipment inventory, and ensures security and accessibility compliance. Provides occasional after-hours support for critical systems at an onsite intelligence customer location.

Design, implement, and maintain enterprise Linux infrastructure and Nutanix HCI (AHV) environments. Administer Red Hat tooling (RHEL, Satellite, Capsule), develop automation with Ansible and scripting (Bash/Python), monitor and troubleshoot virtualization, storage, networking, and performance, and document architectures while participating in SAFe/Scrum teams.

Design, implement, and manage PostgreSQL database infrastructure: ensure integrity, security (RBAC), HA, backups, monitoring, performance tuning, migrations (Oracle/MySQL/Postgres), schema design, upgrades, and documentation to support intelligence customers.