Top Cyber Security Jobs in St. Louis, MO

Lead technical IAM delivery tasks: conduct current-state discovery, configure and validate IGA/PAM/Access Management platforms, perform gap analyses against frameworks, produce client deliverables (assessments, diagrams, maturity scores), facilitate workshops, and support pre-sales and practice development while growing toward workstream ownership.

Build and maintain scalable data pipelines and data products to enable security and fraud detection. Implement ETL, data models, and distributed processing (Spark/Presto/Flink/Kafka) to centralize signals, support analytics and machine learning, and partner with security teams to improve detection and mitigation of fraud and account compromise.

Manage customer-facing security reviews end-to-end: complete questionnaires/RFPs, act as security contact during sales, build reusable answer libraries and AI-assisted workflows, address AI-governance and compliance questions, and collaborate with Security, Product, and Legal to close gaps and scale processes.

Architect and implement system-level security for Open Connect edge and gaming appliances across hardware (FPGA, BMC, BIOS/UEFI), kernels and dual OS (FreeBSD/Linux). Improve platform integrity (measured/secure boot, BMC controls), triage system-level vulnerabilities, build low-level tooling and automation, and partner cross-functionally and with vendors to harden binary ingestion and execution.

Own protocol and cryptographic foundations for Netflix Open Connect edge appliances. Design and implement security primitives, optimize crypto/transport for performance, build DoS mitigations, conduct vulnerability research, and partner cross-functionally to deploy end-to-end security controls across delivery infrastructure.

Serve as a public-facing Web3 security researcher: engage the community via social media, speak at conferences, give interviews, collaborate cross-functionally with CertiK teams, and support marketing and product feedback while performing technical Web3 security work.

Lead and perform application and network penetration tests, source code and cloud security reviews, and produce clear pentest reports. Research and develop pentesting tools/methods for blockchain and Web3, contribute to community content, and support client security engagements.

Perform smart contract and protocol audits, consult with external blockchain teams on remediation, conduct security research, and build internal security tools and methodologies to protect Web3 projects and clients.

Perform end-to-end blockchain security services including consulting, manual code reviews and audits of smart contracts and protocols (Solidity, Go, Rust), threat modeling, property-based and gas-related testing, penetration testing, and deliver detailed security assessments to clients.

Develop and optimize LLM-driven AI agents to automate smart contract security audits. Collaborate with blockchain security teams to research, prototype, and productionize threat detection, risk assessment, and automated vulnerability analysis for blockchain environments.

Perform guided audits of smart contracts, blockchain protocols, and dApps to identify and remediate vulnerabilities. Contribute to security tooling and research, explore attack vectors, and support process and methodology improvements under senior guidance.

Perform smart contract and blockchain audits to find and analyze vulnerabilities, define attack models, extract exploit characteristics to build feature-analysis tooling, and research/adopt analysis tools and emerging blockchain security technologies.

Own outbound field motion for Identity Threat Protection launch, validate messaging in live deals, synthesize field intelligence into product recommendations, run adoption diagnostics, and provide technical escalation support for complex identity situations.

Support pre-sales and post-sales technical engagements for Keeper's DevOps-focused cybersecurity products. Conduct technical discovery, demos, trials, integrations, and level-2 support for CI/CD, container, and cloud-native environments. Act as DevOps SME, collaborate with sales and engineering, produce technical training, maintain Salesforce records, and travel to customer meetings as needed.

Customer-facing Sales Engineer responsible for technical pre-sales: building relationships with partners and customers, delivering product presentations and demos, aligning solutions to prospect needs, engaging C-level stakeholders, supporting sales teams, and representing the company at industry events and trade shows.

Lead and grow a Sales Engineering team for major enterprise accounts, drive technical strategy across complex sales cycles, deliver executive demos and repeatable POVs, collaborate with product and engineering, support onboarding, and represent the company at industry events.

Manage the DC/MD/VA region to build pipeline, run consultative sales from prospecting to close, demo with Solutions Engineers, engage CISOs and security leaders, collaborate with partners, forecast revenue, and contribute go-to-market feedback to drive enterprise and mid-market wins.

Lead and execute complex DFIR investigations (host forensics, network analysis, malware triage, log/BEC review), produce technical and executive deliverables, automate processes, contribute tooling integrations, mentor peers, maintain client relationships, and participate in on-call rotation and incident response availability.

The Solutions Engineer collaborates with sales to meet customer needs, conducts demos, develops proposals, and ensures product implementation and support.

Plan, develop, monitor, and optimize cloud infrastructure with FedRAMP compliance. Build CI/CD pipelines, self-healing systems, R&D environments, and observability. Operate GovCloud/FedRAMP authorized systems, respond to incidents, and use IaC, container orchestration, monitoring, and scripting to ensure secure, reliable operations.

Define and drive product strategy and roadmap for certificate lifecycle management. Partner with engineering, security, solutions and customers to design PKI architectures, certificate discovery/issuance/renewal/rotation/revocation, integrations, automation, APIs and admin/developer UX. Prioritize features, validate requirements, track metrics, evaluate competitors, and coordinate launches and go-to-market.

Lead backend development for KeeperPAM Discovery: build Python discovery engines running on customer gateways, Java/Kotlin cloud services, identity correlation, incremental rescan/state reconciliation, diagnostics and test coverage, and secure data-processing workflows within a zero-knowledge architecture. Collaborate with Product, QA and PAM engineers to deliver discovery features.

Deliver, automate, and sustain Keeper platform deployments across IL5/IL6 and classified U.S. Government environments. Build CI/CD pipelines, automate infrastructure (IaC), maintain hardened configurations, support releases and incident response, and produce audit evidence. Troubleshoot production issues, implement observability, partner with engineering and security teams, and ensure compliance with federal security frameworks.

The Solutions Architect will support the sales team by tailoring cloud security solutions, providing technical guidance, and managing POC engagements based on customer needs.

Serve as a technical pre-sales Solutions Architect for Upwind's cloud security platform: understand product capabilities, collaborate with sales to design tailored solutions, lead POCs, provide technical guidance through the sales cycle, and relay customer feedback to product teams.