Top Cyber Security Jobs in St. Louis, MO

Assess cloud, network, infrastructure, and application designs against security and compliance requirements. Translate requirements into technical specifications, security blueprints, and engineering guardrails. Support compliance programs, control assessments, and audits, investigate security risks, define remediation, and improve security-control adoption through AI and automation.

Manages the IT and Security team, including helpdesk workflows, project roadmaps, compliance automation, access management, authentication standards, disaster recovery, vendor relationships, and enterprise system rollouts. Partners with product, engineering, and business leaders on security initiatives and complex technical changes. Maintains audit-ready security processes while overseeing remote IT operations, cloud security, identity tools, and technology spend.

Owns end-to-end security engineering, including risk identification, secure-by-default libraries, least-privilege guardrails, developer machine hardening, supply-chain security, and identity and authentication protections. Partners with compliance to implement effective controls for healthcare requirements such as HIPAA and HITRUST. The role requires production software engineering and security expertise, with broad autonomy in a fully remote environment.

Leads the strategy, lifecycle, financial performance, positioning, and growth of Arctic Wolf’s Endpoint Security portfolio. The role oversees product expansion, cross-sell opportunities, competitive analysis, M&A integration, and integration with managed security services. It also leads a global product management team, establishes product metrics and operating cadences, and represents endpoint strategy to executives, customers, analysts, and partners.

Leads enterprise security architecture by assessing threats, performing application security assessments and threat modeling, reviewing designs, and integrating controls into SDLC and DevSecOps environments. Advises business and engineering stakeholders on secure solutions, remediates vulnerabilities, protects APIs, web applications, and cloud workloads, and improves security processes through automation and standardization.

Identify and remediate vulnerabilities across products and AWS infrastructure, respond to security incidents, close security tickets, integrate security controls into CI/CD, review code and infrastructure, support SOC 2 and CASA compliance, and strengthen access management, secrets handling, and cloud hardening.

Conduct advanced application security research across GitLab’s DevSecOps and AI-powered platforms. Identify and exploit novel, systemic, and chained vulnerabilities; develop proof-of-concept exploits, testing methodologies, and research automation; assess AI attack vectors and open-source dependencies; drive remediation and security improvements; advise engineering teams, contribute to roadmaps, mentor researchers, and share findings with the security community.

Conducts advanced application security research across GitLab’s DevSecOps and AI-powered platforms. Responsibilities include discovering and exploiting systemic vulnerabilities, penetration testing, developing proof-of-concept exploits, researching AI and agentic security threats, building automated research tooling, coordinating remediation, mentoring security professionals, and communicating findings to engineering and security communities.

Designs and leads enterprise cybersecurity architecture across network, cloud, endpoint, identity, and data environments. Develops security strategies, governance frameworks, and controls; conducts risk assessments, vulnerability management, penetration testing, and incident response. Oversees security tool integration, regulatory compliance, third-party risk, and secure development practices. Provides technical leadership, mentoring, and cross-functional guidance to protect business-critical systems and minimize cyber risk.

Own product and protocol security across Jito’s Solana-based products. Responsibilities include threat modeling, secure design and code reviews, deployment hardening, internal audits, onchain monitoring, bug bounty operations, remediation tracking, AI-assisted security testing, and key and asset risk management. The role requires production software engineering experience, strong application security expertise, security automation skills, and familiarity with Web3, crypto, or DeFi.

Performs cloud security engineering across AWS and GCP, including system hardening, vulnerability remediation, compliance scanning, cloud operations, security tooling, incident response, and troubleshooting across infrastructure and identity layers. Supports FedRAMP, FISMA, and NIST 800-53 environments, participates in a 24×7 on-call rotation, maintains technical documentation, communicates with customers, and mentors junior engineers.

Provides information security support for federal healthcare systems, including security architecture reviews, firewall and infrastructure initiatives, security impact assessments, mitigating controls, system security plans, SOPs, and POA&M remediation. Advises development teams and customer security organizations on federal security requirements, emerging practices such as Zero Trust and SBOM, network monitoring, authentication, and data security. The role is remote and requires passing an IHS background check for Public Trust eligibility.

Supports security operations by onboarding and troubleshooting network monitoring infrastructure, triaging security-device issues, resolving escalated customer problems, coordinating vendor maintenance, and managing hardware sensors. The role collaborates with SOC analysts, assists with testing and quality assurance, provides customer support, and participates in on-call incident response. Requires network and security administration experience, TCP/IP knowledge, command-line expertise, and troubleshooting across Linux, Windows, and macOS.

Designs, leads, and supports enterprise network security and infrastructure solutions. Responsibilities include network engineering, NAC, IAM, ZTNA, VPN, certificate and PKI management, secure connectivity, identity-driven access controls, segmentation, highly available distributed environments, platform upgrades, lifecycle management, and capacity planning. The role also evaluates technology solutions and leads cross-functional initiatives focused on performance, reliability, scalability, and capacity.

Designs, deploys, and manages enterprise cloud security solutions across AWS and Azure. Responsibilities include automating security controls, managing AWS WAF and CDK rules, improving policies, patching vulnerabilities, implementing DevSecOps practices, assessing cloud applications and APIs, monitoring security posture, analyzing logs, triaging issues, and supporting compliance and risk initiatives.

Lead Stord’s enterprise security function and build its long-term strategy, governance, operations, engineering, application and cloud security capabilities. Own NIST, SOC 2 and ISO programs, 24/7 detection and response, incident management, M&A security integration, secure product development, penetration testing, customer trust, business continuity and disaster recovery. Lead the security team, MDR partnership, executive and board communications, AI governance, and security readiness for international growth, acquisitions and potential public-market scrutiny.

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.

Engineer and operate SIEM and SOAR platforms supporting SOC and MDR services. Responsibilities include log-source onboarding, parsing, enrichment, detection engineering, playbook automation, alert and dashboard development, end-to-end pipeline troubleshooting, vendor escalations, customer onboarding, ingest-volume management, documentation, and platform incident response. The role serves as the technical escalation point and participates in an after-hours on-call rotation.

Leads the enterprise data security program for unstructured data, including governance, DLP, privacy compliance, insider risk, AI data protection, incident response, and intellectual property protection. Advises senior leadership and the Board, oversees control testing and risk reporting, supports acquisitions, partners with privacy and legal teams, and leads a data security team.

Supports the IT Governance, Risk, and Compliance program through security risk assessments, policy administration, audit readiness, control validation, evidence collection, remediation tracking, regulatory compliance monitoring, and third-party risk reviews. The role maps controls to frameworks including HIPAA, SOC 2, NIST, CIS, CMS, and URAC; maintains risk registers and governance documentation; and partners with technical and business teams to address vulnerabilities, control gaps, and compliance requirements.

Designs, configures, and operates ServiceNow Security Operations and Vulnerability Response capabilities. Builds vulnerability lifecycle workflows, risk-based prioritization models, dashboards, and SLA monitoring. Integrates scanners and security tools such as Qualys, Tenable, Rapid7, Defender, and CrowdStrike through APIs. Uses CMDB, Discovery, and Service Mapping to improve asset context and vulnerability correlation. Supports remediation coordination, incident investigations, governance, reporting, documentation, and continuous improvement for client exposure management programs.

Deploys and operates Axonius Asset Cloud for cyber asset management, exposure management, and risk-based vulnerability prioritization. Builds integrations, unified asset inventories, correlation models, dashboards, and automated remediation workflows. Supports CNAPP and cloud security operations, vulnerability remediation tracking, platform maintenance, scripting, API integrations, and client engagements. Requires cybersecurity engineering experience, Axonius or comparable CAASM expertise, vulnerability management knowledge, and automation skills.

Leads regional enterprise security sales by serving as a cloud security expert, shaping opportunities, advising account teams, managing executive relationships, and orchestrating technical teams and partners. Conducts architecture reviews, demos, proof-of-concepts, pilots, ROI/TCO analyses, and consultative engagements to promote Microsoft security solutions, Zero Trust adoption, and customer business outcomes.

Conduct manual penetration tests and secure code reviews across web applications, APIs, AWS infrastructure, and AI systems. Develop AI-assisted security tooling, test LLM applications and agents, triage SAST findings, tune detection rules, support security reviews before production, and communicate risks and remediation priorities to engineering teams.

Provides security engineering and architecture expertise for FedRAMP Cloud Service Provider assessments. Reviews full-stack architectures, authorization packages, security controls, policies, assessment reports, vulnerability scans, and penetration tests for compliance with FedRAMP, NIST, FISMA, RMF, and agency requirements. Leads vendor interviews, identifies technical and documentation gaps, supports continuous monitoring, advises government program leaders and CISOs, and provides security recommendations for cloud systems.