AppSec Engineer: Secure SDLC & Vulnerability Champion

Paychex Europe; Region Hovedstaden; On-site; DKK 700,000 - 950,000; Full time

Job summary

Paychex Europe is seeking a technically focused Application Security Specialist to join our security team of 5, with a primary focus on Secure development lifecycle and vulnerability management across our commercial products. You will work with development teams to identify, analyze, calibrate, prioritize, and drive remediation of security vulnerabilities using Checkmarx and OWASP guidance.

You should have a degree in cybersecurity or related field, hands-on experience with SAST, vulnerability

Qualifications

• Bachelor's or Master's degree in cybersecurity, information security, CS, or related field.
• Hands-on application security experience in a modern software development environment.
• Strong vulnerability lifecycle management knowledge and remediation processes.
• Experience with Checkmarx or other SAST platforms.
• Familiarity with CVSS and risk-based prioritization methodologies.
• Excellent written and verbal communication to technical and non-technical stakeholders.

Responsibilities

• Perform technical review, triage, and calibration of vulnerability findings from SAST, SCA and container scans.
• Analyze Checkmarx findings to distinguish true positives from false positives and ensure accurate vulnerability classification.
• Assess vulnerabilities using CVSS, exploitability, business impact, and environmental context to determine risk ratings and priorities.
• Partner with development teams to identify root causes and provide remediation guidance aligned with secure coding.
• Promote secure development practices based on OWASP Top 10, ASVS, CWE, and secure coding standards.
• Contribute to AI-assisted workflows for detection, analysis, prioritization, and remediation recommendations.
• Develop and maintain vulnerability metrics, dashboards, risk reporting, and executive security reporting.
• Maintain evidence, audit trails, and documentation supporting security assessments and compliance.

Skills

Application security

Secure coding practices

Vulnerability assessment

SAST technologies

Security risk analysis

CVSS

Communication skills

Documentation skills

OWASP Top 10 knowledge

Team collaboration

Education

Bachelor's or Master's in Cybersecurity, Information Security, Computer Science, Software Engineering, or related field

Tools

Checkmarx

SAST platforms

CIS controls

Job description

Paychex Europe is seeking a technically focused Application Security Specialist to join our security team of 5, with a primary focus on Secure development lifecycle and vulnerability management across our commercial products. You will work with development teams to identify, analyze, calibrate, prioritize, and drive remediation of security vulnerabilities using Checkmarx and OWASP guidance.

You should have a degree in cybersecurity or related field, hands-on experience with SAST, vulnerability