Cyber Risk Validation & Exposure Engineer

Teledyne; Garland (TX); On-site; USD 120,000 - 150,000; Full time

Job summary

Teledyne Technologies Incorporated is seeking a Senior Cybersecurity Architect to work across enterprise information systems. You will validate detection and control effectiveness, oversee firewall rules, and bridge vulnerability management with cybersecurity engineering.

You will partner with IT and business owners to drive remediation of weaknesses, monitor external exposure, and translate findings into architecture-level risk themes. This role reports to the Sr.

Qualifications

• Bachelor's degree in Information Security, Computer Science, or related field.
• Progressive cybersecurity experience spanning network security, security engineering, or purple/red-team functions.
• Hands-on firewall rule review and network segmentation.
• Knowledge of adversary TTPs and MITRE ATT&CK.
• Experience with vulnerability management and external attack-surface monitoring.
• Broad IT security knowledge across architectures and technologies.

Responsibilities

• Assesses enterprise architecture to validate detection and control effectiveness against current TTPs.
• Maintains awareness of network topology, cloud environments, and system interdependencies.
• Monitors external IP exposure and compares with baselines and firewall rules.
• Reviews firewall rules for permissiveness and misalignment; assesses exceptions.
• Coordinates with vulnerability/patch teams to prioritize remediation.
• Collaborates with networking to identify dark corners and drive remediation ownership.
• Maintains a risk-ranked backlog of architecture and control weaknesses; briefs leadership.
• Revalidates business justification for firewall rules; right-sizes access.
• Documents findings to inform detection engineering and improvement.
• Supports incident response with architecture context.

Skills

Firewall rule review

Network segmentation

MITRE ATT&CK

CTEM / attack-surface mgmt

Scripting: Python/PowerShell

CMMC/NIST 800-171

Defense contractor experience

Networking fundamentals

Education

Bachelor's degree in Information Security/CS or related field

Job description

Teledyne Technologies Incorporated is seeking a Senior Cybersecurity Architect to work across enterprise information systems. You will validate detection and control effectiveness, oversee firewall rules, and bridge vulnerability management with cybersecurity engineering.

You will partner with IT and business owners to drive remediation of weaknesses, monitor external exposure, and translate findings into architecture-level risk themes. This role reports to the Sr.