Senior Security Engineer: App & Cloud Defense

MX; Lehi (UT); On-site; USD 140,000 - 210,000; Full time

Job summary

MX, based in Lehi, Utah, is seeking a Senior Security Engineer to advance our security program across applications, infrastructure, and cloud environments. You will define secure coding practices, lead threat modeling, drive incident response, and mentor engineers on security.

This role partners with product and DevOps teams to reduce risk and meet SOC 2 and PCI requirements. You’ll own security initiatives, promote automation, and deliver audit-ready controls while shaping MX’s security culture

Qualifications

• Bachelor's degree in Computer Science, Information Security, or a related field.
• 8+ years of security engineering experience with related outcomes.
• Experience in application and/or infrastructure security, including securing networks, servers, or cloud environments.
• Experience supporting compliance with SOC 2 or PCI.

Responsibilities

• Own and lead security initiatives across applications, infrastructure, and cloud environments.
• Design and implement security controls to prevent unauthorized access and data breaches.
• Lead threat modeling and risk assessments to prioritize security investments.
• Develop and execute incident response plans, detecting and recovering from incidents.

Skills

Application security

Infrastructure security

Threat modeling

Risk assessments

Incident response

Security automation

Security tooling

Team leadership

Education

Bachelor's degree in Computer Science or Information Security

Master's degree or PhD preferred

Job description

MX, based in Lehi, Utah, is seeking a Senior Security Engineer to advance our security program across applications, infrastructure, and cloud environments. You will define secure coding practices, lead threat modeling, drive incident response, and mentor engineers on security.

This role partners with product and DevOps teams to reduce risk and meet SOC 2 and PCI requirements. You’ll own security initiatives, promote automation, and deliver audit-ready controls while shaping MX’s security culture