Senior Security Engineer (Application Security)

About Tekion:

Positively disrupting an industry that has not seen any innovation in over 50 years, Tekion has challenged the paradigm with the first and fastest cloud-native automotive platform that includes the revolutionary Automotive Retail Cloud (ARC) for retailers, Automotive Enterprise Cloud (AEC) for manufacturers and other large automotive enterprises and Automotive Partner Cloud (APC) for technology and industry partners. Tekion connects the entire spectrum of the automotive retail ecosystem through one seamless platform. The transformative platform uses cutting-edge technology, big data, machine learning, and AI to seamlessly bring together OEMs, retailers/dealers and consumers. With its highly configurable integration and greater customer engagement capabilities, Tekion is enabling the best automotive retail experiences ever. Tekion employs close to 3,000 people across North America, Asia and Europe.

Job Introduction

As part of our world-class engineering team at Tekion, we are expanding our Application Security Engineering function. Our development teams work across a variety of modern technology stacks in a fast-moving environment, making security both a challenge and an opportunity to innovate. 

We prioritize guardrails over roadblocks in our security culture, empowering developers to move fast while ensuring security is built in, scalable, and resilient. This role will partner closely with engineering teams to integrate security into all phases of the SDLC — from design through deployment. 

Leads application security initiatives across Tekion’s products and engineering ecosystem. Drives secure-by-design principles, threat modeling, DevSecOps integration, vulnerability reduction, developer enablement, and scalable application security controls across web, mobile, APIs, and cloud-connected systems. 

 

Key Role & Responsibilities 

Secure SDLC & Security Engineering 

• Drive integration of security across all phases of the software development lifecycle, from design to deployment. 

• Partner with development teams to implement scalable application security controls, standards, and guardrails. 

• Promote secure-by-design principles across web, mobile, cloud, APIs, and distributed systems. 

Threat Modeling & Architecture Reviews 

• Lead threat modeling exercises and security design reviews for high-impact systems, services, and product features. 

• Conduct architectural reviews and risk assessments for new capabilities, services, and major design changes. 

• Assist engineering teams in identifying practical mitigation strategies and reducing design-level security risks early. 

DevSecOps & Security Automation 

• Build and improve security automation within CI/CD pipelines. 

• Integrate and optimize application security tooling such as SAST, DAST, SCA, secrets scanning, IaC scanning, and API security controls. 

• Develop and maintain reusable security patterns, libraries, and automation to reduce friction for developers. 

Vulnerability Management Advisory 

• Review and help prioritize application security findings from internal testing, third-party assessments, and VAPT exercises. 

• Guide engineering teams on remediation of common vulnerability classes and secure coding improvements. 

• Interpret testing and assessment results and translate them into scalable, engineering-friendly recommendations. 

Security Enablement & Collaboration 

• Develop secure coding guidance, patterns, and developer-facing best practices. 

• Partner with product, engineering, cloud security, and infrastructure teams to identify and remediate security risks early. 

• Participate in security education initiatives and promote strong security culture across engineering. 

 

Basic Qualifications 

• Bachelor’s or Master’s degree in Computer Science, Cybersecurity, or related field; equivalent experience considered. 

• 6–9 years of experience in application security, product security, DevSecOps, or security engineering. 

• Strong understanding of information security fundamentals and ability to communicate them clearly to engineering and product teams. 

• Hands-on experience with secure coding, DevSecOps, and security automation. 

• Familiarity with application architecture, threat modeling, CI/CD pipelines, IaC, serverless, and IAM. 

• Experience integrating security controls into developer workflows. 

• Proficiency in at least one programming or scripting language such as Python, Bash, Java, JavaScript, or Go. 

• Strong collaboration skills and a pragmatic, solution-oriented mindset. 

Preferred Qualifications

• Experience with OWASP Top 10, OWASP ASVS, API security, and modern software assurance practices. 

• Experience reviewing code and supporting remediation across modern application stacks. 

• Penetration testing experience is optional and good to have; ability to interpret findings is required. 

• Industry recognized and accepted relevant certifications are a plus. 

 

Perks & Benefits 

• Competitive compensation 

• Generous stock options 

• Medical insurance coverage 

• Opportunity to influence secure engineering practices across a modern product organization 

• Ownership of impactful security initiatives at scale 

• Innovative, collaborative, and fast-paced culture 

Effective 4 Aug 2026, Current Tekion Employees should apply via the Internal Job Board in Ashby

Tekion is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, victim of violence or having a family member who is a victim of violence, the intersectionality of two or more protected categories, or other applicable legally protected characteristics.

For more information on our privacy practices, please refer to our Applicant Privacy Notice here.