Application Security Engineer

Ardent is hiring an Application Security Engineer to support application security assessments, vulnerability management, and DevSecOps enablement across USCIS systems and delivery environments. The role works with development, security, platform, and operations teams to remediate risks, improve security automation, and build secure reference implementations and utility applications.

Responsibilities:

• Perform application security testing and vulnerability assessments
• Conduct application security testing using approved tools, processes, and techniques
• Assess web applications, APIs, services, containers, dependencies, and delivery environments for security weaknesses
• Support automated security scanning
• Support automated scanning of applications, APIs, services, software dependencies, containers, and CI/CD pipelines
• Assist with configuring and maintaining security scanning tools used during development, build, test, release, and runtime activities
• Document, track, and validate vulnerabilities
• Document, triage, track, and validate vulnerabilities and security findings through remediation and closure
• Maintain accurate vulnerability status, remediation evidence, and closure documentation
• Assist development teams with secure coding and remediation
• Provide technical guidance to development teams on secure coding practices and remediation of identified weaknesses
• Help teams understand scan results, vulnerable dependency reports, policy violations, and recommended fixes
• Support DevSecOps tool integration and automation
• Support integration and operation of security tools and controls within CI/CD pipelines
• Help implement automated security gates, policy enforcement, and reporting workflows
• Integrate DevSecOps tools through APIs to improve visibility, automation, and operational efficiency
• Develop proof-of-concept secure reference implementations
• Design and develop proof-of-concept sample applications using common technology stacks to demonstrate application security best practices
• Build reference examples that illustrate secure authentication, authorization, logging, dependency management, secrets handling, containerization, API security, and secure CI/CD workflows
• Maintain reusable patterns and examples that development teams can reference when implementing security controls
• Ideate and develop security utility applications
• Identify process and technology gaps between development and security teams
• Design and develop utility applications, scripts, dashboards, integrations, or automation workflows that improve vulnerability management, reporting, remediation tracking, tool interoperability, and DevSecOps operations
• Integrate with security, development, repository, observability, and CI/CD tools through available API interfaces
• Monitor compliance with application security standards
• Monitor security findings and alignment with established application security standards and controls
• Support security improvement initiatives aligned to Zero Trust principles and applicable NIST, CISA, and CIS security frameworks
• Collect metrics, evidence, and reporting data
• Collect and maintain security assessment data, scan results, vulnerability evidence, remediation status, and operational metrics
• Support reporting for continuous monitoring, vulnerability reduction, and application security improvement initiatives
• Support DevSecOps and vulnerability reduction initiatives
• Support enterprise DevSecOps, vulnerability reduction, secure software development, and application security modernization efforts across USCIS programs

Requirements:

• Bachelor's degree in Information Technology, Computer Science, Cybersecurity, Engineering, or a related field
• Minimum of 4 years of professional IT experience, plus 4 years of experience supporting application security, cybersecurity, DevSecOps, or closely related subject matter requirements
• Advanced technical knowledge of application security technologies, specialized applications, and operational environments
• Experience performing technical and functional analysis, system integration, implementation, documentation, and technical guidance for complex application security or DevSecOps initiatives
• Experience with application security testing and vulnerability assessment
• Experience with secure coding practices and providing remediation guidance to development teams
• Experience with static application security testing (SAST), dynamic application security testing (DAST), software composition analysis (SCA), container scanning, and dependency security
• Experience integrating security controls and tools into CI/CD pipelines and DevSecOps workflows
• Experience developing proof-of-concept applications, secure reference implementations, utility applications, scripts, dashboards, or API-based integrations
• Experience with vulnerability management workflows, including triage, documentation, remediation tracking, validation, and closure
• Knowledge of application security frameworks and guidance, including Zero Trust, NIST, CISA, CIS, OWASP, and secure software development lifecycle practices
• Experience working collaboratively with development, security, platform, operations, and other technical teams
• Review and interpret security scan results from tools such as SonarQube, Nexus IQ, Checkmarx, and Twistlock
• Configure and support Nexus Repository Firewall policies and dependency blocking workflows
• Analyze CVEs, CVSS scores, vulnerable dependency paths, and recommended component versions
• Build simple proof-of-concept applications in common technology stacks such as Java/Spring Boot, Node.js, Python, Ruby, or .NET
• Create automation scripts or utility applications using APIs from DevSecOps tools
• Develop integrations that collect, normalize, and report security findings from multiple tools
• Support Kubernetes and container security practices
• Use Splunk and New Relic data to support application security monitoring and operational visibility
• Work with Harness or similar CI/CD platforms to support security scanning and deployment controls
• Translate security framework requirements into practical application security practices