Top Senior IT Jobs in St. Louis, MO

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

The role involves developing, testing, and maintaining computer programs, supporting complex analyses, managing development efforts, and ensuring alignment with organizational methodologies.

The Test Manager designs and executes comprehensive testing processes, manages testing events, oversees engineering activities, ensures effective schedule and resource allocation, and maintains quality assurance for large-scale systems integration.

Owns the company-wide IT and cybersecurity program, including SOC 2 compliance, cloud security, penetration-test remediation, business continuity testing, endpoint management, access controls, onboarding and offboarding, AI security governance, vendor reviews, security training, incident response, and employee IT support. The role partners with engineering, HR, Finance, leadership, auditors, and healthcare customers while managing security across AWS, Heroku, Cloudflare, Google Workspace, GitHub, and related tools.

Serve as senior network administrator and alternate team lead for Army enterprise networks. Provide administration, monitoring, configuration, troubleshooting, incident response, boundary protection, and automation improvements for routers, firewalls, load balancers, and JRSS in a 24/7 mission environment. Mentor junior staff, maintain technical documentation, ensure compliance with DISA STIGs/RMF/ACAS, and collaborate with mission partners.

Manage multiple public-sector IT infrastructure projects end-to-end, ensuring on-time, on-budget delivery. Lead stakeholders, vendors, and internal teams; build schedules, manage risks, finances, QA, and client communications for networking, wireless, and unified communications engagements.

Lead assessment and remediation of IT security risks across network, systems, and applications. Perform vulnerability assessments, manage IDS/IPS, coordinate remediation with IT and vendors, develop policies and training, support audits (SOX/PCI/HIPAA), and report findings to stakeholders while mentoring teams and guiding security projects.

Lead Fabric's security program and corporate IT operations, including identity, endpoint, cloud, application, and vendor security. Hire and manage a small team, run incident response, handle customer security questionnaires, partner on SOC2/HITRUST/HIPAA control implementation, and set practical security policy while remaining hands-on in operations and tooling.

Own and operate the organisation's accounts, access, and cloud subscriptions; set practical security standards; identify and remediate risks hands-on; manage onboarding/offboarding access across core platforms; partner with engineers and researchers to ensure secure, usable controls.

Lead end-to-end IT risk-based audits, test ITGCs and key IT risks, manage continuous audit testing, support external audits, advise on new technologies (cloud, AI, cybersecurity), communicate findings to leadership, and lead team development and advisory projects across the enterprise.

Develop, implement, and maintain security policies and controls mapped to NIST CSF; manage policy and compliance workflows in ServiceNow IRM; perform risk assessments and gap analyses; support audit readiness and vendor assessments; produce dashboards and reports; lead security awareness and AI governance training; mentor junior analysts; collaborate with IT, risk, compliance, and business teams to drive remediation and policy adoption.

Manage and execute RCA's cybersecurity program: lead audits and vendor risk assessments, run security awareness/phishing programs, oversee vulnerability remediation and MDM, ensure HIPAA/HITECH/NIST compliance, build security reporting, and coordinate incident response and tabletop exercises.

Lead enterprise cybersecurity and IT operations for a HIPAA-regulated healthcare company: build and mature security programs, manage IAM/endpoint/cloud security, drive vulnerability management and incident response, ensure compliance (HIPAA/HITECH), oversee IT operations and vendor risk, and mentor a technical team while partnering with cross-functional leadership.

Support ATO documentation and assessment for a cloud-based federal courts modernization program. Coordinate with security, engineering, and PM teams; create Visio diagrams; monitor, test, and troubleshoot IA issues; analyze CND/SIEM logs; assess configurations; implement enterprise security policies and procedures; manage vulnerability tracking and incident documentation; provide AWS cloud security expertise and ensure compliance with NIST, FedRAMP, CIS, and ISO 27001.

Engineer and automate DevSecOps security workflows for a continuous ATO pipeline on AWS GovCloud. Integrate and automate security tooling (scans, triage, evidence, continuous monitoring), implement IaC scanning, perform cloud inventory and drift detection, mentor engineers, and produce compliance and ATO artifacts mapped to NIST 800-53/800-171.

Plan and execute IT audits of digital systems, cybersecurity, data privacy, change management and SOX controls. Assess risks, report findings, support remediation, collaborate with management and external auditors, and assist on project/process control reviews.

Design, implement, and operate CI/CD pipelines and GitOps workflows; author Helm charts and manage OpenShift/Kubernetes deployments; maintain infrastructure as code, security compliance, monitoring, and incident response; develop tooling in Python/Bash; design system architecture and documentation for classified environments.

Maintain and build a Metadata Application Profile (MAP) to integrate metadata from multiple data stores into a search and discovery system. Assess metadata quality, run queries using UI/API/Postgres/Elasticsearch, create design documents for new data stores, coordinate with data stewards, and investigate metadata discrepancies and tickets to enable enterprise-wide imagery and data discovery.

Build and lead a centralized IT function across a holding company and portfolio. Run acquisition IT workstreams and create a Day 1-100 integration playbook. Select and operate identity and access systems, build joiner/mover/leaver processes, maintain living inventory of tools/accounts/licenses, manage MSP relationships and vendor contracts, and connect back-end systems to the cross-portfolio data platform while engaging business stakeholders.

Own and scale corporate IT systems including Windows/macOS endpoints, MDM, identity (Okta, Google Workspace), SaaS administration, automation (PowerShell/Bash/Python/APIs), onboarding/offboarding, endpoint security, and audit readiness. Troubleshoot complex issues, build runbooks, and partner with Security, Engineering, People, and Operations to operationalize repeatable, compliant IT processes.

Lead and perform IT general controls (ITGC) testing for SOX and internal audit engagements, supervise and mentor staff, evaluate control design and operating effectiveness, document findings, communicate deficiencies to clients, and support client relationships and engagement delivery.

Develop, configure, and integrate BMC Helix/Remedy applications using Developer and Innovation Studio. Build workflows, forms, REST/API/WebService/LDAP integrations, data imports, and digital workplace offerings. Support incidents, change management, demos, requirements gathering, testing, and sprint delivery. Maintain production, follow change control, participate in on-call rotation and Agile ceremonies, and drive continual service improvement.

Develop, configure, and integrate BMC Helix/Remedy applications (forms, workflows, APIs, LDAP, data imports). Gather requirements, produce design/test documentation, support production changes, participate in Agile sprints and on-call rotation, and provide customer demos and sustainment support while adhering to change control and performance SLAs.

Develop, configure, and integrate BMC Helix/Remedy applications using Developer and Innovation Studio. Build workflows, forms, REST/WebService/LDAP integrations, data imports, and digital workplace offerings. Support onboarding, incidents, change requests, sprint work, demos, documentation, and production change management while following ITIL and Agile practices.

Develop and maintain BMC Helix/Remedy workflows, forms, and integrations (REST, WebService, LDAP). Gather requirements, produce design/test documentation, manage change requests and production, support customer onboarding and demos, participate in Agile sprints and on-call rotation, and pursue continual service improvements while minimizing customization and technical debt.