Application Security Tester Seattle, WA or Addison, TX W2 only

  • Matlen Silver, Inc.
  • Addison, Texas
  • Full Time

Description

Job Title: Application Security Tester

Duration: 12-18 months

Location: Seattle, WA or Addison, TX

Required Pay Scale: $60-65/hr - W2 ONLY, NO C2C

  • Due to client requirements this role is only open to USC or GC candidates*

Job Summary:

  • Resource will help test web applications for security vulnerabilities and remediate them.

Required Skills:

  • Security Engineer/Tester
  • Manual and automation experience
  • Focused on web based applications
  • Identify vulnerabilities and remediate them
  • Application security vulnerabilities: OWASP Top 10, SANS Top 25, CWE, attack patterns (CAPEC)
  • Security testing tool: Burp
  • Proxy tools: Fiddler, Black box
  • Identity and Access Management (IAM)
  • Authentication technologies: passwords, biometrics, OTP, digital certificates & PKI, device authentication, FIDO U2F/Passkeys
  • Large scale enterprise application background

About Matlen Silver

Experience Matters. Let your experience be driven by our experience. For more than 40 years, Matlen Silver has delivered solutions for complex talent and technology needs to Fortune 500 companies and industry leaders. Led by hard work, honesty, and a trusted team of experts, we can say that Matlen Silver technology has created a solutions experience and legacy of success that is the difference in the way the world works.

Matlen Silver is an Equal Opportunity Employer and considers all applicants for all positions without regard to race, color, religion, gender, national origin, age, sexual orientation, veteran status, the presence of a non-job-related medical condition or disability, or any other legally protected status.

If you are a person with a disability needing assistance with the application or at any point in the hiring process, please contact us at email and/or phone at: [email protected] // ...

Job ID: 523418980
Originally Posted on: 6/3/2026

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