Security Engineer (TOP SECRET Clearance Required)

i3; Chantilly (VA); In loco; USD 150.000 - 230.000; Tempo pieno

Descrizione del lavoro

i3 is seeking a Senior Security Engineer to strengthen security across enterprise applications, cloud environments, and critical infrastructure. You will lead proactive monitoring, threat detection, and incident response while guiding security modernization and governance.

Ideal candidates bring TS clearance, 8+ years of hands-on security engineering experience, and strong skills in AWS/Azure/GCP, SIEM, and secure development with modern languages.

Competenze

• Bachelor's degree in a relevant field required.
• Minimum 8 years of experience securing applications, cloud platforms, networks and enterprise infrastructure.
• US Citizen with a Top Secret Clearance.
• Experience with AWS, Azure, or Google Cloud."
• Proficiency with security monitoring, logging, SIEM and alerting tools.
• Strong understanding of network security, encryption, authentication, and access control.
• Experience with in-house custom-developed applications and advanced AI, GenAI, and multi-model engineering.
• Data architecture expertise including vector, graph, and multi-database orchestration.
• Experience with air-gapped, hybrid, and on-premise environments.
• Application development and integration knowledge using TypeScript, React, Python, FastAPI.

Mansioni

• Secure applications, cloud platforms, networks, and enterprise infrastructure.
• Lead incident response, cyber resiliency, vulnerability management, and threat detection efforts.
• Design and implement security controls and support cloud-based platforms (AWS, Azure, GCP).
• Utilize security monitoring, logging, SIEM, and alerting tools effectively.
• Develop security policies, procedures, and technical documentation.
• Provide technical mentorship and ensure alignment with defense-in-depth and security policies.
• Engage in multi-model and multi-modality orchestration, including advanced AI implementations.
• Manage enterprise infrastructure and cross-domain solutions, including air-gapped and hybrid environments.
• Develop and integrate applications with modern programming languages and frameworks.

Conoscenze

Top Secret Clearance

Security analysis

Threat detection

Incident response

Data architecture

TypeScript

React

Python

FastAPI

Formazione

Bachelor's degree

Master's degree

Strumenti

SIEM

Security monitoring

Cloud platforms

Descrizione del lavoro

Senior Security Engineer

We are seeking a Senior Security Engineer to secure enterprise applications, cloud environments, and critical infrastructure. This role involves advancing the organization's security posture through proactive monitoring, threat detection, incident response, and continuous improvement initiatives. The ideal candidate will lead security engineering efforts across multiple systems, design and implement security controls, support cloud-based platforms, and provide technical mentorship while ensuring compliance with security policies and organizational cybersecurity requirements.

What you'll do:

• Secure applications, cloud platforms, networks, and enterprise infrastructure.
• Lead incident response, cyber resiliency, vulnerability management, and threat detection efforts.
• Design and implement security controls and support cloud-based platforms such as AWS, Azure, or Google Cloud.
• Utilize security monitoring, logging, SIEM, and alerting tools effectively.
• Develop security policies, procedures, and technical documentation.
• Provide technical mentorship and ensure alignment with defense-in-depth principles and security policies.
• Engage in multi-model and multi-modality orchestration, including advanced AI implementations and data architecture.
• Manage enterprise infrastructure and cross-domain solutions, including air-gapped and hybrid environments.
• Develop and integrate applications with modern programming languages and frameworks.

What you need:

• US Citizen with a Top Secret Clearance
• Bachelor's degree required.
• Minimum 8 years of experience in securing applications, cloud platforms, networks, and enterprise infrastructure.
• Experience with cloud technologies such as AWS, Azure, or Google Cloud.
• Proficiency with security monitoring, logging, SIEM, and alerting tools.
• Strong understanding of network security, encryption, authentication, and access control technologies.
• Experience developing security policies, procedures, and technical documentation.
• Strong analytical, troubleshooting, and communication skills.
• Experience with in-house custom-developed applications and advanced AI, GenAI, and multi-model engineering.
• Data architecture expertise, including vector, graph, and multi-database orchestration.
• Experience with air-gapped, hybrid, and on-premise operational environments.
• Application development and integration knowledge, utilizing TypeScript, React, Python, FastAPI, and more.

Nice to have:

• Master's degree in Cybersecurity, Information Assurance, or related field.
• CISSP, Security+, CCSP, CISM, GIAC, AWS Security Specialty, Azure Security Engineer, or similar certifications.
• Experience supporting government, defense, intelligence, or highly regulated environments.
• Knowledge of Zero Trust Architecture, NIST frameworks, RMF, and compliance requirements.
• Experience with DevSecOps, container security, and Infrastructure as Code (IaC) security practices.
• Experience managing COMSEC resources or cryptographic key management systems.
• Familiarity with security automation, SOAR platforms, and advanced threat hunting techniques.