Top Senior IT Jobs in St. Louis, MO

Provides advanced internal IT support across identity, devices, software, SaaS, and workplace applications. The role resolves complex employee technology issues, manages support workflows, builds AI-assisted automations and self-service resources, analyzes support metrics, and improves onboarding, access, device, and software processes. It also coordinates with security, infrastructure, endpoint, identity, and enterprise systems teams while supporting distributed employees across time zones.

Lead and grow a product support team for a live digital court reporting product (Maggie). Supervise analysts, triage and lead incident response for P0/P1 events, coordinate escalations to IT and engineering, run on-call rotations, develop runbooks/KB/training, track support metrics, provision hardware kits, and hire and train support staff.

Design, administer, optimize, and govern an enterprise Databricks Lakehouse Platform. Responsibilities include managing workspaces, Unity Catalog, compute, workflows, data pipelines, security controls, observability, performance, cost optimization, CI/CD, infrastructure automation, disaster recovery, and platform upgrades. The role also supports audits, compliance, troubleshooting, documentation, technical standards, and mentorship while integrating Databricks with enterprise data, business intelligence, and AI/ML environments.

Designs, implements, administers, and supports enterprise Active Directory, directory synchronization, DNS, DHCP, IPAM, PKI, and Cisco ISE services across hybrid on-premises and cloud environments. Provides Tier 3 escalation support, manages 802.1X network access control, troubleshoots authentication and replication issues, implements Group Policy, and develops resilient system architectures. The role also documents modernization efforts, integrates identity and security platforms, and collaborates with network, systems, security, and business teams.

Supports data center networks, application delivery, and network security environments through operations, maintenance, integration, deployment, troubleshooting, and solution design. Provides Tier III expertise, administers LAN/WAN infrastructure, evaluates technologies, manages upgrades and changes, develops technical proposals and procedures, documents architectures, and resolves complex hardware and software issues. Collaborates with engineers, stakeholders, project managers, vendors, and Tier IV support teams while managing technical projects and network performance.

Provides on-site systems administration for GEOINT exploitation systems, including troubleshooting hardware, software, VDI endpoints, virtual machines, and geospatial applications. Automates software deployments, packages software, maintains system security and documentation, supports backups and recovery, develops testing strategies, and recommends corrective solutions. The role also manages accounts, evaluates vendor products, trains users, documents issues, and provides technical guidance to junior staff in a customer-site environment.

Designs, maintains, and optimizes AWS infrastructure and full-stack applications. Automates deployments, implements CI/CD pipelines, manages containerized services with Docker and Kubernetes, integrates authentication and REST APIs, improves monitoring and security, troubleshoots operational issues, and develops JavaScript or TypeScript applications backed by relational databases. Participates in Agile requirements gathering, documentation, testing, production delivery, legacy code refactoring, and mentoring junior developers.

Operate, maintain, and improve enterprise SIEM and log aggregation platforms (ArcSight, ElasticSearch, Kibana, Splunk). Onboard assets, develop alerts/playbooks/rules, tune queries, troubleshoot event flow and parsing, and perform engineering, testing, and emergency maintenance to meet 99.99% availability and Intelligence Community standards. Document incidents, use ticketing systems, and support CSOC reporting and integrations. Requires active TS/SCI and relevant DoD 8570 certifications.

Build and enhance scalable full-stack applications and microservices using React and Java or Python. Diagnose performance and architectural issues, develop production-grade user interfaces, collaborate in Agile environments, and deliver cloud-based solutions. The role includes end-to-end implementation ownership, technical decision-making, team leadership, mentoring, and applying AI-assisted development tools. Work is remote eligible and supports mission-critical customer systems.

Supports governance, monitoring, and IT General Controls for third-party relationships and external users. Responsibilities include due diligence, risk classification, identity and access oversight, least-privilege reviews, access certifications, MFA and DLP monitoring, incident escalation, remediation tracking, audit support, reporting, business continuity and disaster recovery activities, offboarding controls, process documentation, and stakeholder coordination across IT, security, compliance, legal, HR, and vendor management.

Design, develop, deploy, and maintain cloud-native AWS applications using Node.js, React.js, and JavaScript/TypeScript. Build infrastructure as code with Terraform or AWS CDK, create CI/CD pipelines, troubleshoot Linux environments, and support secure cloud operations. Collaborate with UI/UX, cloud engineering, architecture, and DevOps teams while contributing to compliance, hardening, architectural decisions, and on-call operations.

Leads strategic execution and delivery of complex cybersecurity and IT programs, managing timelines, risks, resources, prioritization, and stakeholder communication. Develops program templates and progress metrics, resolves blockers, and drives continuous improvement. Applies technical fluency across IAM, endpoint security, cloud risk, compliance frameworks, and system architecture to guide strategy, tradeoffs, and executive communication.

Manage enterprise metadata, business glossaries, data catalogs, and end-to-end data lineage for a federal case management modernization program. Configure governance and metadata platforms, integrate data sources and pipelines, establish standards and workflows, monitor metadata quality, support compliant data sharing, develop governance metrics, document procedures, and train data stewards and business users.

Design, build, and run cloud-based automated test frameworks and scripts for React/Node applications. Configure CI/CD pipelines, test environments, and data sets; validate APIs and containerized apps; collaborate with manual testers and development teams using Agile/DevSecOps practices.

Leads enterprise commercial off-the-shelf tool implementations for Contracts Management, including requirements gathering, vendor evaluation, pilots, integrations, deployment, training, change management, stakeholder alignment, risk mitigation, and transition to operations. Partners across CIDO, business functions, sectors, architects, and system owners to drive adoption and value realization.

Designs, develops, tests, documents, debugs, and implements B2B/EDI applications and integrations. Builds highly available runtime environments, establishes technical standards and processes, resolves technical support issues, and communicates solutions to business and technical teams. Requires advanced WTX/Mercator programming, UNIX/Linux expertise, and knowledge of B2B integration concepts and electronic data formats including X12 EDI, XML, NCPDP, and HIPAA.

Develop and support enterprise Pega solutions using Pega PRPC, Pega Survey, integrations, reusable components, and case management features. Translate business requirements into technical designs, conduct code reviews, mentor junior developers, and support testing. The role also requires database development with Oracle and PL/SQL, implementation of governance and best practices, stakeholder communication, and progress reporting in an agile environment.

Designs scalable, secure, and supportable technology solutions for customer implementations and enterprise initiatives. Translates business requirements into architectures spanning applications, integrations, infrastructure, cloud, data, and security. Leads solution design, technical decisions, implementation planning, cost estimation, stakeholder presentations, and risk mitigation. Develops architecture standards, governance processes, reference architectures, and reusable patterns while advising business and technology leaders on modernization and best practices.

Build and operate internal software, platform services, developer tooling, Kubernetes infrastructure, and reproducible Nix environments. Develop Go and Rust automation, improve CI/CD and reliability, support Linux systems, networking, identity, endpoints, and SaaS platforms, and resolve ambiguous technical problems independently. Partner across engineering, security, operations, and business teams while mentoring engineers and shaping technical direction.

Manages core business systems including NetSuite, HubSpot, Microsoft 365, and related SaaS tools. Oversees user access, permissions, integrations, data quality, reporting, security, and vendor relationships. Builds workflow automations using low-code tools, evaluates practical AI applications, supports staff technology adoption, maintains IT policies and continuity plans, and troubleshoots system issues across a remote organization.

Act as liaison between various teams to gather and document business needs, create test plans, and assist in project execution.

Design, develop, and maintain secure integrations across NetSuite, Coupa, Leapfin, and other enterprise systems. Build iPaaS workflows, custom connectors, webhook and event-driven automations, bulk synchronization processes, monitoring, error handling, and retry mechanisms. Translate finance requirements into technical specifications and data mappings, support implementation projects, document architectures, and maintain audit readiness. Apply AI-powered tooling to automate finance operations while ensuring compliance, security, and reliable handling of sensitive financial data.

Leads business analysis and product ownership for CMS’s Unified Case Management system. Gathers requirements, defines scope, analyzes technical and business processes, supports data and reporting solutions, and participates in a SAFe scrum team. Drives process improvement, estimates deliverables, resolves complex issues, coordinates stakeholders, documents projects, manages customer expectations, and coaches less experienced professionals. The role is fully remote and supports investigative capabilities addressing healthcare fraud, waste, and abuse.

Administer AWS-hosted PostgreSQL databases, managing monitoring, backups, restores, snapshots, security, maintenance, and performance tuning. Support database migrations, releases, troubleshooting, and data quality remediation. Build Python and SQL data pipelines, automation, CDC and streaming workflows using AWS services and Kafka technologies. Enable near-real-time data movement to reporting platforms, data lakes, Snowflake, and Databricks while collaborating with application, DevOps, QA, analytics, and business teams.

Build and deploy AI/ML solutions from prototype through production for CMS, including generative AI, LLMs, RAG, intelligent classification, knowledge management, agentic frameworks, and enterprise integrations. Evaluate AI coding tools, establish AI/ML roadmaps, scale adoption, mentor data scientists, and translate technical concepts for stakeholders and leadership.