Top Cyber Security Jobs in St. Louis, MO

Conduct vulnerability assessments and penetration tests across web and mobile applications, cloud infrastructure, SaaS applications, network devices, and open-source projects. Develop and test DAST scanner rules, communicate with clients about remediation, guide vulnerability fixes, and maintain the vulnerability management system.

Sell Mitiga's runtime security platform to enterprise CISOs and security leaders. Manage end-to-end enterprise sales cycles from prospecting to close, build strategic territory and partner plans, collaborate with solutions engineering and customer success, and maintain accurate CRM records while consistently exceeding revenue targets.

Lead and perform HITRUST Gap, Readiness, and Validated Assessments. Define scope, test controls, validate evidence in MyCSF, produce readiness and validated reports, advise clients on remediation, and ensure compliance with HITRUST methodology and related frameworks.

Develop, implement, and maintain cybersecurity policies and data classification aligned with NIST CSF, FedRAMP High, IL5 and other standards; support ATO processes, manage compliance documentation and audits, train employees on security/privacy, and troubleshoot policy implementation for GovCloud environments.

Leads global security strategy across manufacturing plant OT/ICS, connected medical products, and application security. Oversees FDA medical device cybersecurity compliance, OT/ICS frameworks, DevSecOps, CI/CD security, and application security tooling. Builds and develops global security teams, partners with executives and operating companies, maintains enterprise risk frameworks, reports security posture to leadership and committees, and travels internationally to manufacturing, R&D, and plant locations.

Lead security across applications, services, infrastructure, and developer workflows. Identify, assess, and mitigate risks; run secure code reviews, threat modeling, and architecture discussions; build automation and tooling to prevent issues; harden authentication and access control; investigate incidents and manage disclosures; partner with engineering teams to design secure-by-default APIs and deployments.

Lead customer security strategy and architecture using Microsoft security products. Assess security posture, design cloud-native solutions, remove technical blockers, author customer insights, and support complex enterprise deployments to accelerate adoption and secure cloud/hybrid environments.

Lead deep technical security reviews of products and platforms, produce prioritized remediation roadmaps, build security tools and automations, integrate guardrails and automated checks, partner with product teams to implement and validate fixes, and use threat intelligence and telemetry to convert attack paths into controls and detections.

Designs and governs enterprise identity security architectures using ServiceNow and Veza. Integrates identity governance, authorization visibility, CMDB, IRM, SecOps, and external identity platforms across hybrid and multi-cloud environments. Establishes least-privilege, zero-trust, compliance, and identity governance frameworks for human and non-human identities. Leads architecture workshops, solution reviews, client advisory discussions, delivery oversight, troubleshooting, proposals, and technical mentoring.

Leads the architecture, implementation, integration, automation, testing, and optimization of ServiceNow and Veza identity security solutions. Advises clients on identity governance, authorization visibility, access analytics, compliance, and cybersecurity strategy. Conducts workshops, demonstrations, training, troubleshooting, and technical delivery from discovery through deployment. Develops scripts, applications, dashboards, and workflows while mentoring junior staff and supporting proposals, estimates, and sales opportunities.

Leads identity security and IAM implementation projects for enterprise clients using ServiceNow and Veza. Manages client engagement, requirements workshops, solution design, delivery timelines, risks, and distributed teams. Oversees identity governance, access certification, lifecycle management, provisioning, and authorization visibility implementations. Coordinates integrations with cybersecurity programs, mentors consultants, ensures solution quality, supports process improvements, and assists sales pursuits. The role also develops governance strategies for human and non-human identities, including service accounts, APIs, machine identities, and AI agents.

Supports implementation, configuration, integration, testing, deployment, and optimization of identity security solutions using ServiceNow and Veza. Responsibilities include identity governance, access certification, authorization visibility, workflow automation, dashboards, troubleshooting, client workshops, documentation, product demonstrations, and cybersecurity program integration. The role also supports proposals, training content, client relationships, and identity security program development. Travel may reach 50% based on client needs.

Architect and engineer multi-tenant SIEM, SOAR, EDR, telemetry, and cloud security platforms for managed security services. Build detection content, automate response workflows, optimize log ingestion, and secure customer connectivity. Lead technical discovery, onboarding, security assessments, remediation planning, escalations, solution design, and customer advisory engagements. Create architectures, runbooks, and documentation while shaping the MSSP technology strategy.

Lead product marketing for Keeper's cybersecurity products: define messaging, positioning and use cases; execute cross-functional launches; create content and SEO-optimized assets; coordinate webinars and partner co-marketing; gather customer feedback and conduct market and competitor research to drive awareness and pipeline.

The Senior Application Security Engineer ensures the security of systems and data by monitoring vulnerabilities, responding to incidents, and promoting security best practices within the organization.

Lead security initiatives by establishing secure development practices, conducting security reviews, as well as managing threat modeling and security assessments.

The fellowship provides military spouses and separating service members with cybersecurity training and hands-on experience through projects and vendor training, aimed at enhancing their security skills.

Lead and grow the security operations team to detect, investigate, and respond to threats across endpoints, identity, email, and cloud. Develop SecOps strategy, incident response playbooks, run tabletop exercises, manage SIEM/EDR/email security, drive identity governance, vendor/MSSP relationships, and report security KPIs to leadership.

Customer-facing role to drive security transformation on Azure and Microsoft 365. Architect, design, and implement cloud security, identity, threat protection, and information protection solutions; run design sessions, perform hands-on evaluations (Defender, Sentinel, AAD, Intune), troubleshoot implementations, and influence product and engineering teams to improve customer security posture and adoption.

Design and assess secure systems for Microsoft business operations: perform threat modeling and security design assessments, drive risk-based architecture decisions, communicate risk, mentor teammates, and ensure compliance with security policies and screenings.

Serve as a senior security solution architect advising enterprise customers on modern, cloud-native Microsoft security architectures. Design and validate solutions using Microsoft security products, remove technical blockers, act as SME on complex deployments, gather customer insights to influence product roadmap and map solutions to business outcomes, and support large-scale security and compliance projects.

Lead a U.S.-based team of Security Operations Engineers and TPMs to design, build, and operationalize identity protections that reduce lateral-movement risk. Define strategy, apply AI and automation, partner with engineering and platform teams, deliver scalable controls, and drive measurable security outcomes, operational readiness, and executive reporting.

Designs and implements security controls across cloud platforms, operating systems, Kubernetes, networks, and CI/CD. Audits infrastructure for weaknesses, develops security and privacy improvements, performs threat modeling, and drives remediation. The role includes software development, infrastructure security, incident containment, and technical security analysis while collaborating with engineering teams in a distributed startup environment.

Conduct application security assessments, identify and validate vulnerabilities, perform dynamic testing and static code reviews, and recommend remediation strategies. Collaborate with development teams to improve application security, use tools such as Burp Suite, and stay current with application security methodologies, web vulnerabilities, and exploitation techniques.

Lead Wikimedia Foundation’s product security strategy, prioritize security and privacy engineering initiatives, develop platform interventions against threats, strengthen organizational security culture, and communicate with Wikimedia communities. The role partners with cross-functional and departmental leaders on information security, represents the Foundation to volunteers, and applies AI-based tools to security analysis, code review, and software engineering. Prior product management experience is not required, but strong technical, security, communication, and online-community experience are important.