Application Security Engineer

Company Information

PACCAR is a Fortune 500 company established in 1905. PACCAR Inc is recognized as a global leader in the commercial vehicle, financial, and customer service fields with internationally recognized brands such as Kenworth, Peterbilt, and DAF trucks. PACCAR designs and manufactures advanced diesel engines and also provides customized financial services, information technology and truck parts related to its principal business.

Division Information

PACCAR’s Information Technology Division (ITD), located in Renton, WA, utilizes cutting‑edge technology to provide systems development, consulting, voice and data communications services to the entire corporation, with high visibility in the technology sector.

About the Role

As an Application Security Engineer, you will be a key member of the Global Security group within the IT Division, reporting directly to the Principal Engineer. You will provide security guidance to development teams—including secure code review, vulnerability assessments, and security testing—to help application teams build and deploy secure applications and APIs. The role supports security governance and ensures adherence to application security controls and risk analysis across the organization’s application portfolio throughout the SDLC, covering internally developed applications, third‑party applications, COTS solutions, and open‑source software. A risk‑based, “shift‑left” approach is used to engage early in the software development lifecycle, working alongside engineering teams to prevent security defects before they are introduced. The position contributes to a culture of openness, teamwork, continuous improvement, learning, commitment, and empathy.

Responsibilities

• Perform source code reviews using manual analysis and Static Application Security Testing (SAST) tools to identify vulnerabilities.
• Execute web security assessments on websites, web applications, web services, and APIs using Dynamic Application Security Testing (DAST) tools.
• Review test results from automated security tools, ensure automated tests complete successfully, and identify and remove false positives from tool reports.
• Participate in developing and reviewing threat models to proactively identify security risks.
• Engage with development teams to provide vulnerability remediation support through consultation or hands‑on assistance.
• Assist developers with understanding security defects, associated risk, and defining acceptable solutions to fix defects.
• Collaborate with teams to integrate secure coding practices and security tooling into CI/CD pipelines.
• Contribute to code reviews and design discussions with a security lens.
• Support adherence to application security controls and contribute to risk analysis of applications across the SDLC.
• Participate in the creation, maintenance, and communication of PACCAR secure coding standards, guidelines, and examples.
• Support the implementation of secure design principles according to organizational policies, standards, and application security patterns.
• Assist in creating technical security documents including assessment reports and remediation guidance.
• Share application security knowledge with the engineering team through brown‑bag sessions, secure coding tournaments, and developer outreach activities.
• Actively participate in improving security culture and awareness throughout the organization.
• Participate in security incident response when needed.
• Help maintain and tune Secure SDLC tools including SAST, DAST, and Software Composition Analysis (SCA) platforms.
• Support the integration of security tooling and automated security checks within CI/CD pipelines.
• Stay current with security technologies, products, and emerging trends relevant to application security.

Qualifications

• Bachelor’s degree in Computer Science, Information Systems, Software Engineering, Cybersecurity, or a related field.
• 5+ years of professional experience in application or software security, including hands‑on work in secure code review, vulnerability assessment, threat analysis, or secure development practices.
• Hands‑on experience with application security testing tools, including DAST platforms (e.g., Burp Suite, WebInspect, OWASP ZAP) and SAST/SCA tools (e.g., Fortify, Checkmarx, SonarQube).
• Proficiency in one or more programming languages: C#, JavaScript, and/or Python.
• Strong working knowledge of web application technologies including HTTP, HTML, CSS, JavaScript.
• Expert‑level understanding of the OWASP Top 10 and common web application vulnerabilities and website security concepts such as headers, cookies, CORS, XSS, CSRF.
• Familiarity with web authentication technologies such as OAuth and/or SAML.
• Experience with Software Development Life Cycle (SDLC) and development methodologies such as Waterfall and Agile.
• Experience with control systems: Git, GitHub, Azure DevOps.
• Preferred: Experience working in a large enterprise environment.
• Preferred: Experience with penetration testing or security tools (e.g., Kali Linux, Nmap).
• Preferred: Familiarity with cloud environments such as Azure, AWS, or GCP.
• Preferred: Certified Secure Software Lifecycle Professional (CSSLP).
• Preferred: Certified Information Systems Security Professional (CISSP).
• Preferred: CompTIA Security+.

Benefits

• 401(k) with up to a 5% company match.
• Employee Stock Purchase Program (ESPP).
• Fully funded pension plan providing monthly benefits after retirement.
• Comprehensive paid time off – minimum of 10 paid vacation days, 12 paid holidays, and sick time (additional days with seniority).
• Tuition reimbursement for continued education.
• Medical, dental, and vision plans for you and your family.
• Flexible Spending Accounts (FSA) and Health Savings Account (HSA).
• Paid short‑ and long‑term disability programs.
• Life and accidental death and dismemberment insurance.
• Employee Assistance Program services, including wellness plans, estate planning, and financial counseling.

Pay

The salary range for this position is $90,000 – $141,000 annually.