Senior Security Engineer - App & Cloud Security Leader

mxtechnologiesinc; Lehi (UT); On-site; USD 140,000 - 230,000; Full time

Job summary

MX is seeking a Senior Security Engineer to join the Security Engineering team. You will drive secure coding practices, threat modeling, incident response, and risk management across MX’s software and cloud infrastructure.

You will collaborate with development, operations, and governance teams to implement controls, automate security tasks, and mentor peers. This role emphasizes leadership in a fast-moving fintech environment.

Qualifications

• Bachelor's degree or equivalent in CS/Info Security or related field.
• 8+ years with Bachelor's, 6+ with Master's, or 3+ with PhD in security.
• Experience in application and/or infrastructure security, including networks/servers/cloud.
• Experience performing threat modeling and risk assessments to prioritize work.
• Experience supporting SOC 2/PCI compliance.

Responsibilities

• Own and execute application security initiatives across the development lifecycle.
• Design security controls for networks, servers, and cloud environments to protect data.
• Lead threat modeling and risk assessments to prioritize security investments.
• Develop and execute incident response plans, including detection, containment and recovery.
• Provide expertise on regulations and standards (SOC 2, PCI) for audit-ready controls.
• Build and maintain security tooling and automation within dev/ops workflows.
• Partner with development/ops teams to deliver security solutions.
• Educate employees on security best practices and emerging threats.
• Track security outcomes and translate into business impact.
• Mentor engineers and coordinate team activities as a team lead.

Skills

Application security

Infrastructure security

Threat modeling

Incident response

Security automation

Education

Bachelor's degree in CS / Info Security

Master's degree

PhD

Job description

MX is seeking a Senior Security Engineer to join the Security Engineering team. You will drive secure coding practices, threat modeling, incident response, and risk management across MX’s software and cloud infrastructure.

You will collaborate with development, operations, and governance teams to implement controls, automate security tasks, and mentor peers. This role emphasizes leadership in a fast-moving fintech environment.