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# AppSec Engineer (Policy/Platform)

- **Company:** TEKSYSTEMS INC.
- **Location:** San Antonio, TX, United States (Remote available)
- **Salary:** $104,000.0 - $114,400.0
- **Contract:** Temporary contract
- **Skills:** Application Programming Interfaces (APIs), Cyber Security, Continuous Integration, Information Systems Security Architecture Professional, Systems Development Life Cycle, Secure Coding, Security Software, Mobile Security, Software Vulnerability Management, Web Applications, Software Security, Infrastructure as Code (IaC), Gitlab, GWAPT, Gitlab-ci, Infrastructure Automation Frameworks, Devsecops, Static Application Security Testing, Vulnerability Analysis, Dynamic Application Security Testing
- **Published:** October 20, 2026
- **Apply:** https://www.careercircle.com/jobs/all/all/usa/tx/san-antonio/02f461c8-4d4a-49e5-a039-147c8d073dd2

## About the Role

Deep understanding of Secure SDLC and Application Security practices

 - Hands-on experience with SAST, SCA, API Security, DAST, Infrastructure-as-Code (IaC), and Mobile Security testing

 - Experience administering and supporting AppSec platforms and security tooling

 - Experience conducting vulnerability validation, root-cause analysis, and false-positive assessments

 - Experience providing secure coding guidance and remediation support to development teams

 - Familiarity with GitLab, CI/CD pipelines, DevSecOps practices, and automated security controls

 - Experience leveraging APIs, automation, and AI-assisted workflows to improve security operations

Skills

Application security, Information security, policy development, secure sdlc, SAST, DAST, SCA, mobile security, gitlab, ci/cd pipelines, devsecops, CSSLP, CISSP, GWAPT, GWEB, Certifications such as CSSLP, CISSP, GWAPT, GWEB, or equivalent industry-recognized credentials
Job Type & Location, Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

## Description

DevSecOps
Operations
Automation
GitLab CI/CD
Secure Coding
Mobile Security
Security Controls
Security Policies
Business Valuation
Workflow Management
Root Cause Analysis
GIAC Certifications
Application Security
Policy Implementation
Full Stack Development
Business Transformation
Vulnerability Management
Infrastructure as Code (IaC)
GIAC Web Application Defender
Systems Development Life Cycle
Application Programming Interface (API)
GIAC Web Application Penetration Tester
Static Application Security Testing (SAST)
Dynamic Application Security Testing (DAST)
Certified Secure Software Lifecycle Professional
Certified Information Systems Security Professional
$104,000 - $114,400 / yr
Posted yesterday, Application Security Engineer to provide technical expertise across the Application Security platform portfolio. The AppSec Engineer will support AppSec tooling, policy implementation, vulnerability analysis, false-positive validation, platform escalations, and developer enablement activities.