
The CRM platform for growth-focused B2C brands
Klaviyo, headquartered in Boston, MA, is a leading CRM platform specifically designed for B2C brands. With over 100,000 customers, including notable names like Uncommon Goods and Chubbies, Klaviyo integrates marketing automation, analytics, and customer service into a single solution. The company ha...
Klaviyo offers a comprehensive benefits package including private medical insurance, an employee stock purchase plan, company equity, generous parenta...
Klaviyo fosters a data-driven culture that emphasizes the integration of analytics and messaging to empower eCommerce brands. The company values innov...

Klaviyo • Denver, CO
Klaviyo is seeking a Lead Security Engineer to enhance the security posture of their cloud infrastructure. You'll focus on designing and implementing scalable security controls while mentoring junior engineers. This role requires expertise in cloud security and infrastructure hardening.
You have 5+ years of experience in security engineering, with a strong focus on cloud infrastructure. Your background includes designing and implementing security controls across various environments, and you have a deep understanding of cloud security principles. You are skilled in identity and access management, data protection, and secure systems design, and you thrive in collaborative environments where you can mentor junior engineers and share your expertise. You are familiar with leveraging AI to enhance security measures and are excited about addressing emerging threats in innovative ways.
Experience with security frameworks and compliance standards is a plus, as is familiarity with incident response and threat modeling. You are comfortable working with cross-functional teams and have a proactive approach to identifying and mitigating security risks.
As a Lead Security Engineer at Klaviyo, you will play a crucial role in securing our infrastructure by designing, implementing, and maintaining scalable security controls across cloud and on-premises environments. You will evaluate and harden our infrastructure, ensuring that security practices are integrated into the development lifecycle. Your responsibilities will include collaborating with engineering teams to embed security into their workflows and mentoring junior security engineers to foster a culture of security awareness. You will also be tasked with developing security architectures and repeatable patterns that can be applied across the organization. Your work will involve staying up-to-date with the latest security trends and technologies, and you will leverage AI to build scalable solutions that address emerging threats.
At Klaviyo, we value diversity and believe that unique backgrounds and experiences contribute to our success. We offer a supportive work environment where you can grow your skills and make a meaningful impact. You will have the opportunity to work with a talented team and contribute to shaping our security practices. We encourage you to apply even if your experience doesn't match every requirement, as we believe in empowering creators to own their own destiny.
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