About this role

An extraordinarily talented group of individuals work together every day to drive TNS' success, from both professional and personal perspectives.  Come join the excellence!

Overview

The Senior Application Security Engineer is responsible for advancing the organization's secure software development program by integrating security throughout the software development lifecycle (SDLC). This role partners closely with application development, DevOps, infrastructure, and security teams to identify, assess, and remediate application security risks while enabling secure delivery of business applications.
The position leads application security initiatives including Static Application Security Testing (SAST), Software Composition Analysis (SCA), Application Security Posture Management (ASPM), CI/CD security integrations, container security scanning, vulnerability management, and security automation. The engineer will support security assessments, threat modeling, secure code review processes, and security tooling integrations across multiple business units. Responsibilities also include managing AppSec intake processes, developing operational runbooks, driving remediation activities, and supporting strategic security transformation initiatives. These responsibilities align with the work currently owned by the departing Application Security resource, including ArmorCode ASPM implementation, SAST/SCA integrations, AppSec automation, GitLab container scanning initiatives, and management of high-priority application security activities.

Responsibilities

This role partners closely with application development, DevOps, infrastructure, and security teams to identify, assess, and remediate application security risks while enabling secure delivery of business applications.
The position leads application security initiatives including Static Application Security Testing (SAST), Software Composition Analysis (SCA), Application Security Posture Management (ASPM), CI/CD security integrations, container security scanning, vulnerability management, and security automation. The engineer will support security assessments, threat modeling, secure code review processes, and security tooling integrations across multiple business units. Responsibilities also include managing AppSec intake processes, developing operational runbooks, driving remediation activities, and supporting strategic security transformation initiatives. These responsibilities align with the work currently owned by the departing Application Security resource, including ArmorCode ASPM implementation, SAST/SCA integrations, AppSec automation, GitLab container scanning initiatives, and management of high-priority application security activities.

Key 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 security findings and improve secure coding practices.
  • Develop and maintain AppSec automation, workflows, and operational runbooks.
  • Support threat modeling, architecture reviews, and secure design consultations.
  • Prioritize and manage remediation efforts for critical and high-risk vulnerabilities.
  • Provide application security guidance across multiple business units and technology teams.

Qualifications

Preferred

  • Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or related field.
  • 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 development platforms.
  • Knowledge of OWASP Top 10, threat modeling, secure SDLC, and vulnerability management.
  • Strong communication and stakeholder management skills.
  • Relevant certifications such as CISSP, CSSLP, GSEC, GWAPT, or GIAC certifications preferred.

For this role, we anticipate paying $75,000 - $83,000 annually. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate’s knowledge, skills, abilities, and geographic location. TNS offers a competitive benefit package including medical and dental coverage, life insurance, paid holidays and vacations, and a 401K plan with company match.

If you are passionate about technology, love personal growth and opportunity, come see what TNS is all about!

TNS is an equal opportunity employer. TNS evaluates qualified applicants without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity or expression, protected veteran status, disability/handicap status or any other legally protected characteristic.

Frequently Asked Questions

What is the salary for the Application Security Analyst I role at tnsi?
The listed salary for this Application Security Analyst I position at tnsi is USD 75K–83K. This is an Full time role.
Where is the Application Security Analyst I position at tnsi located?
This Application Security Analyst I role at tnsi is based in USA - Virtual - Arizona, USA - Virtual - California, USA - Virtual - Connecticut, USA - Virtual - Florida, USA - Virtual - Georgia, USA - Virtual - Illinois, USA - Virtual - Kansas, USA - Virtual - Maryland, USA - Virtual - Massachusetts, USA - Virtual - Michigan, USA - Virtual - Missouri, USA - Virtual - New Jersey, USA - Virtual - New York, USA - Virtual - North Carolina, USA - Virtual - Ohio, USA - Virtual - Pennsylvania, USA - Virtual - Texas, USA - Virtual - Utah, USA - Virtual - Virginia, USA - Virtual - Washington. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Application Security Analyst I role at tnsi full-time or part-time?
This is listed as a Full time position. It is posted as a Application Security Analyst I role in the C_001 Transaction Network Services, Inc. department at tnsi.
Which team or department does the Application Security Analyst I at tnsi belong to?
This Application Security Analyst I position is part of the C_001 Transaction Network Services, Inc. department at tnsi. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Application Security Analyst I position at tnsi?
Click the "Apply Now" button on this page. You will be redirected to tnsi's official application portal hosted on workday where you can submit your application directly.
When was the Application Security Analyst I job at tnsi posted?
This Application Security Analyst I position at tnsi was posted on Sep 15, 2026. Apply as soon as possible — early applications are often reviewed first.
Application Security Analyst I
tnsi · 💰 USD 75K–83K
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