Top Cyber Security Jobs in St. Louis, MO

Support design and development of product security and anti-tamper solutions for Boeing defense platforms. Develop architectures, requirements, test plans, and verification for hardware and software security. Collaborate with engineers, DOD customers, suppliers, and subject-matter experts to protect critical capabilities and sustain warfighter advantage. Onsite in Berkeley, MO.

The role involves designing and integrating product security solutions for advanced defense systems, working closely with clients on system requirements and verifying implementations.

Lead product cybersecurity engineering for Boeing avionics across the full lifecycle: derive security requirements, design secure architectures, perform risk/threat analysis and testing, produce PSE artifacts, coordinate with systems/software/hardware teams, and drive risk reduction and technology maturation to meet program and certification needs.

Responsible for ensuring security and integrity in technology operations, providing expertise in security engineering, and collaborating with teams to embed security measures in API design and deployment.

Lead and manage information system security for classified programs: enforce IA policies, execute RMF, oversee assessments and continuous monitoring, coach teams, present technical findings, and develop enterprise security policies and corrective actions.

The Staff Security Engineer will lead technical security initiatives, own architectural security decisions, mentor engineers, and align teams on security strategy while ensuring system integrity and compliance.

Lead AI security strategy and guardrails, design and review AI gateways and tooling, scale InfoSec review processes, reduce AI-driven security noise, drive remediation and investigations, and mentor security and platform engineers.

Design and implement multitenant workload and network isolation for bare-metal and virtualized GPU infrastructure. Harden Linux kernel and container runtimes, perform threat modeling and penetration testing, write low-level security code (C/Go/Rust), mitigate GPU and PCIe security risks, and lead incident response and forensic work for ephemeral container environments.

Secure customer-facing products, APIs, and internal services through threat modeling, architecture and code reviews. Remediate vulnerabilities by coding fixes in Python/Go/JS/TS. Build and manage SAST/DAST/SCA security pipelines in CI/CD. Configure WAFs, API gateways, and bot protection. Provide secure coding guidance, run bug bounty triage, and support compliance (SOC 2, ISO 27001, GDPR).

Lead technical marketing for Falcon Secure Access by creating demos, labs, workshops, and technical content that translate secure access, browser security, Zero Trust, and AI security capabilities into market-facing messaging, sales enablement, and go-to-market strategy. Collaborate cross-functionally to drive adoption and competitive differentiation.

Manage and improve vulnerability management, asset visibility, and cloud security across hybrid and multi-cloud environments. Operate tools (Wiz, Rapid7), maintain asset inventories, triage and track vulnerabilities, coordinate remediation with Engineering/SRE/IT, support incident investigations and on-call rotation, maintain compliance evidence and runbooks, and contribute to program improvements and reporting.

As a Sr. Product Security Engineer, you will focus on network security, identifying gaps, architecting solutions, and leading cross-functional security initiatives.

Lead product strategy and execution for security, compliance, and public-sector capabilities in MongoDB Atlas for Government. Translate FedRAMP/DoD/NIST requirements into roadmaps, drive multi-team programs, align senior stakeholders, enable audit readiness, and support market expansion and GTM for regulated industries.

Lead architecture and scaling of an automated, AI-driven vulnerability detection and remediation platform across cloud, containers, and applications. Correlate SAST/DAST/SCA findings, implement AI-assisted triage, run red/purple team validation, and build automated remediation pipelines integrated into CI/CD for continuous compliance and risk reduction.

Lead federal cloud security and compliance efforts to achieve and sustain ATOs. Implement and automate FedRAMP/IL-5/RMF controls, manage continuous monitoring, coordinate 3PAO audits, drive cloud security architecture, oversee change control/SCRs, and lead incident response and POA&M remediation using AI-enabled automation and monitoring across high-security GovCloud environments.

Advise Falcon Complete customers on security posture, assess and remediate misconfigurations, produce reports, document and resolve issues per SLAs, liaise with support and internal teams to troubleshoot and improve security outcomes.

Partner with engineering, compliance, and security teams to embed application security into the SDLC: triage static/SCA alerts, advise on OWASP Top 10 remediation, maintain developer playbooks and training, track security metrics and evidence for audits, and help shape AI governance and GenAI-safe workflows.

Lead product security engineering for embedded avionics systems across lifecycle phases. Develop and implement security requirements, perform threat and risk analyses (RMF/JSIG/NISPOM), advise system/software/hardware teams on secure architectures, integrate standards and processes, drive risk reduction and technology maturation, produce customer/certifier artifacts, and support cross-functional teams. Onsite role requiring US Person status and ability to obtain Secret clearance.

This intern role in Federal Security Operations focuses on cybersecurity, project tracking, and maintaining relationships with customer stakeholders in a mission-driven environment.

The Staff Product Security Engineer will enhance security in product development, conduct threat modeling, review code, automate processes, and advise on security requirements.

The AI Security Consultant will enhance security programs, secure AI systems, engage in technical analysis, and report findings. They will also contribute to thought leadership while ensuring high-quality service delivery.

Perform 24/7 SOC monitoring and incident response across networks, endpoints, cloud and SaaS; triage, investigate, and remediate incidents; collaborate with vulnerability management, FedRAMP, and engineering teams; refine detection/playbooks; maintain incident documentation and SOC processes; support FedRAMP-related security and privacy responsibilities and periodic background investigations.

Lead and grow a security engineering team to design and operate cloud-native security controls, drive DevSecOps practices, conduct threat modeling and incident response, partner cross-functionally on security roadmaps, and ensure compliance with frameworks (NIST, SOC 2, ISO, etc.). Responsible for vulnerability management, identity and access controls, observability/SIEM, and security automation.

The Security Engineer will manage Liftoff's SIEM, lead the adoption of AI-augmented SOC tools, triage alerts, and improve incident response processes while collaborating on various security functions.

Lead GameChanger's Information Security and Technology organization, owning strategy, roadmaps, and teams across product/cloud/AI security, security operations, GRC, vulnerability management, and internal IT. Partner with engineering, product, legal, and parent-company security to manage risk, incident response, and secure adoption of AI while supporting a remote-first workforce.