Application Security Engineer – SDLC & CI/CD Focus

Transaction Network Services; Missouri; On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Life insurance

401K with company match

Paid holidays and vacations

Job summary

Transaction Network Services seeks an experienced Application Security Engineer to advance secure SDLC integration and lead AppSec initiatives across multiple units. You will work with development, DevOps, infrastructure, and security teams to identify, assess, and remediate application security risks while enabling secure delivery of business applications.

The role focuses on SAST, SCA, ASPM, CI/CD security integrations, container security scanning, vulnerability management, and security

Qualifications

• Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or related field.
• Approximately 5+ years of Application Security or Secure Development experience.
• Experience with SAST, SCA, DAST, ASPM, container security, and CI/CD security controls.
• Hands-on experience with GitLab, GitHub, Azure DevOps, or similar platforms.

Responsibilities

• Lead application security assessments and vulnerability management activities.
• Implement and manage SAST, SCA, container, and CI/CD security controls.
• Drive ASPM platform adoption and security tool integrations.
• Partner with development teams to remediate findings and improve secure coding.
• Support threat modeling, architecture reviews, and secure design consultations.
• Prioritize and manage remediation of critical/high-risk vulnerabilities.

Tools

GitLab

GitHub

Azure DevOps

SAST tools

SCA tools

DAST tools

ASPM tooling

Container security scanners

CI/CD tooling

Job description

Transaction Network Services seeks an experienced Application Security Engineer to advance secure SDLC integration and lead AppSec initiatives across multiple units. You will work with development, DevOps, infrastructure, and security teams to identify, assess, and remediate application security risks while enabling secure delivery of business applications.

The role focuses on SAST, SCA, ASPM, CI/CD security integrations, container security scanning, vulnerability management, and security