Top Senior IT Jobs in St. Louis, MO

Maintains and deploys desktop, laptop, and mobile hardware, operating systems, configurations, patches, and applications. Tests hardware and updates, troubleshoots operating system and application issues, supports deployment teams, coordinates vendor escalations, identifies automation opportunities, and creates technical documentation. The role requires strong endpoint support experience across Windows and Mac environments, occasional night or weekend work, and up to 10% overnight travel.

Leads IT QA teams and quality outcomes across products and delivery areas. Responsibilities include people management, talent development, QA governance, test automation strategy, release readiness, risk management, quality metrics, stakeholder partnership, resource planning, and continuous improvement. The role manages up to 15 QA analysts and drives scalable testing practices, automation adoption, delivery confidence, and customer-focused quality results.

Administer, configure, and support JD Edwards EnterpriseOne CNC environments, including architecture, security, performance tuning, integrations, upgrades, deployments, and lifecycle management. Manage incidents and changes using ITIL, ensure high availability and disaster recovery, troubleshoot complex issues, lead CNC projects, collaborate with infrastructure and database teams, and mentor team members. The role requires 24/7 operational support, including occasional night, weekend, and holiday shifts.

Lead architecture and delivery of IT automations and integrations across platforms (n8n, Airflow, Temporal, Jira). Act as technical DRI for complex automation projects, partner with Security and IAM, build reusable frameworks and documentation, establish engineering standards and code review practices, and mentor peers.

Designs and supports enterprise data integrations, ETL/ELT pipelines, APIs, data models, and transformations across Microsoft platforms. Maintains data quality, governance, security, and reliability while developing CI/CD pipelines, deployment automation, and release processes. Troubleshoots integration and deployment issues, manages environments, supports reporting and analytics, and collaborates with technical and business stakeholders to deliver scalable data solutions.

The Security Compliance Analyst manages cybersecurity, data privacy, classification, retention, governance, vulnerability assessments, incident response, and ATO documentation. Responsibilities include monitoring cloud environments and system logs, using SIEM tools, analyzing security risks, supporting security policies, reporting incidents, and ensuring compliance throughout the system lifecycle. The role also collaborates with Agile teams and stakeholders to protect sensitive data and resolve information assurance issues.

Develops and administers privacy, data classification, retention, and data-sharing policies for a federal court data platform. Conducts Privacy Impact Assessments, privacy risk analyses, and technical problem solving; drafts and manages data-sharing agreements, MOUs, and ISAs; maintains agreement inventories; and advises governance, legal, engineering, and business stakeholders on privacy-by-design, regulatory compliance, and secure handling of sensitive and personally identifiable information.

Manage IT operations, support-team performance, technical escalations, identity and access management, macOS endpoint administration, collaboration and telephony systems, service workflows, automation, reporting, license utilization, and audit readiness. The role partners with Security and cross-functional teams to maintain compliant systems, improve onboarding and offboarding, establish operational standards, and enhance IT efficiency through automation and AI.

Leads end-to-end WMS and LMS implementation projects across warehouse sites, covering requirements, design, configuration, integrations, testing, launch, documentation, training, troubleshooting, and production support. Manages vendors, clients, budgets, risks, schedules, communications, and project closure. Develops WMS customizations and business requirements, coordinates cross-functional teams, mentors junior staff, and ensures successful, on-time deployments.

Develop, configure, customize, integrate, test, and troubleshoot ServiceNow applications for CMS. Build workflows, automations, access controls, Service Catalog solutions, APIs, and integrations using REST, SOAP, and Integration Hub. Use ServiceNow AI capabilities and JavaScript-based development tools, participate in code reviews, maintain technical documentation, ensure system reliability, and recommend platform improvements. Collaborate with cross-functional Agile teams while managing shifting priorities and supporting advanced ServiceNow capabilities including ITSM, Discovery, CMDB, Now Assist, AI Search, and Automated Test Framework.

Owns the vision, strategy, roadmap, feature definition, release planning, and performance measurement for IT clinical solution products. Partners with business and technical stakeholders on build-versus-buy decisions, architecture, licensing, change management, KPIs, ROI, migration, risk mitigation, and product adoption. Coordinates cross-functional delivery and vendor relationships while adapting product direction to changing business needs.

Owns IT systems administration and security operations for a fully remote workforce. Responsibilities include managing Microsoft 365 and Google Workspace, endpoint and identity platforms, security tools, access controls, threat monitoring, incident response, vulnerability management, compliance evidence, disaster recovery, vendor relationships, reporting, and operational roadmaps.

The Lead Technical Support Engineer resolves complex technical issues, provides mentorship, collaborates with teams, and improves support systems.

Designs, implements, and maintains information security systems and network security infrastructure for an intelligence customer. Responsibilities include RMF and A&A compliance, security policy and documentation, incident response, vulnerability remediation, audit and log analysis, security configuration, infrastructure troubleshooting, and AWS-based security solutions. The engineer supports firewalls, gateways, IDS, load balancers, and monitoring tools while collaborating with developers, system engineers, project managers, and users.

Provide advanced desktop and systems administration for an intelligence customer: troubleshoot hardware/software, perform OS and software installs/upgrades, manage backups and image management, maintain VDI/Citrix environments, audit compliance, train users, and lead complex recoveries and projects with limited oversight. Onsite role requiring cleared personnel.

Own Flex’s IT and corporate security function as a hands-on senior individual contributor. Responsibilities include identity and access management, joiner-mover-leaver processes, Okta and Google Workspace administration, endpoint and MDM programs, SaaS governance, access reviews, security policies, awareness training, MSP management, and automation using scripts and internal tooling. The role partners with security, People, Finance, and Legal while maintaining corporate security posture across a distributed workforce.

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.

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.

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.

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.

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.

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.

Build and evolve scalable generative AI software, including an agentic framework powering Atom AI and an AI asset portal. Develop production-ready web, data, and AI solutions; evaluate emerging models and frameworks; promote responsible AI practices; and ensure solutions are maintainable, cost-effective, and scalable. Partner with stakeholders, lead complex projects, demonstrate solutions, participate in strategy and ideation, and mentor other developers.

Lead and execute remote technical implementations for dental practices from signing through go-live. Configure PMS integrations, set up remote access and network configurations, manage AWS-hosted Windows VMs/ETL, handle support volume, liaise with MSPs, and improve onboarding processes and automation while partnering with cross-functional teams.