Top Cyber Security Jobs in St. Louis, MO

Perform COMSEC custodian duties including inventory, distribution, destruction, and accountability of keying material and secure equipment. Install and deliver STE/encryption devices, maintain records, courier classified material, enforce USG COMSEC standards, train personnel, ensure AIS security compliance, and perform physical work in production/confined environments.

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

The ISSO will lead the implementation of security policies and practices, perform risk assessments, manage compliance monitoring, and oversee incident response activities.

Lead product cybersecurity for embedded avionics across requirements, design, analysis, build, test, production, and sustainment. Define and implement security controls per RMF/JSIG/NISPOM, perform threat/adversity and risk assessments, develop secure architectures, coordinate cross-functional stakeholders, and drive risk reduction and technology maturation for Air Dominance programs.

Design, build, and architect IAM-focused security software, APIs, and automation. Integrate security into CI/CD and cloud-native environments, perform code reviews and threat modeling, monitor security events, support incident response, and collaborate with infra/app teams to embed identity best practices.

Own and define IAM strategy for corporate and production environments. Migrate Okta to Terraform, design least-privilege access, automate provisioning/deprovisioning and access reviews, build/manage MDM/MAM tooling, partner with platform and engineering teams, and serve as the IAM subject matter expert across Security, IT, and Engineering.

Lead detection, response, and digital forensics for security incidents. Monitor alerts, perform technical analysis, act as Incident Commander, build automation and runbooks, mentor engineers, and coordinate cross-team investigations and insider threat work.

Ensure Rubrik products meet security standards by integrating AppSec into the SDLC, performing automated and manual assessments, threat modeling, hardening applications and deployments, tracking AppSec metrics, and producing security guidance for engineering and operations teams.

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.

The role involves leading security initiatives, building security tools, conducting vulnerability assessments, and collaborating with teams to enhance cloud security and risk management.

The Data Security Engineer will develop and implement data protection strategies, ensuring compliance with regulations like GDPR and HIPAA while securing sensitive data and collaborating with various teams.

Act as the technical presales lead for AI agent and cloud identity security across North America: scope engagements, design and run POCs and architectures across AWS/Azure/GCP, secure non-human and machine identities, create repeatable technical assets, and partner with account teams to close deals.

Lead product security efforts across the lifecycle for the Tomahawk program: define security requirements, develop architectures, secure facilities/tools/data, coordinate with stakeholders, assess supplier security, drive R&D improvements, advise on certification and modifications, investigate incidents, and manage compliance with government regulations.

Perform hands-on application and system security assessments: discover and validate vulnerabilities, develop proof-of-concepts and custom tooling, conduct threat modeling and architecture reviews, and communicate clear remediation guidance to clients while contributing to security research.

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.

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.

The Senior Product Security Engineer will manage security intelligence across platforms, identify vulnerabilities, improve developer tools, and assist incident response teams, focusing on security and fraud in application design.

Support development programs in Product Security and Anti-Tamper. Design software architectures and implement security solutions for defense products.

As a Senior Offensive Security Engineer, you'll assess Huntress' defenses, execute red team engagements, conduct penetration tests, and enhance security protocols while collaborating with internal teams.

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

As a Software Engineer in Product Security, you will develop security tooling, build scalable systems, and collaborate with teams to safeguard the security cloud.

Design and support IAM solutions using Microsoft Entra ID, develop PowerShell automation, improve IAM processes, and provide guidance to junior engineers.

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 Senior Security Engineer will design secure development lifecycles, integrate security tools, lead remediation of security issues, and mentor teammates, ensuring systems resilience and security across DraftKings.