Senior Security Engineer

Job Description:

Company Background

Censys’ mission is to be the one place to understand everything on the internet. Frustrated by the lack of trustworthy Internet intelligence, we set out to create the industry’s most comprehensive, accurate, and up-to-date map of the Internet. Today, Censys delivers real-time Internet intelligence and actionable threat insights to global governments, over 50% of the Fortune 500, and leading threat intelligence providers worldwide.

As a Senior Security Engineer, you will lead the design, implementation, and ongoing management of our internal security infrastructure. This critical role will protect the integrity, confidentiality, and availability of our internal systems, networks, and data while ensuring we maintain a scalable and secure foundation as we grow. You will serve as a trusted advisor and technical authority, partnering across IT, compliance, and business units to drive security-first practices while balancing operational needs.

What you’ll do: 

• Architect and implement enterprise security controls across endpoints, networks, identity systems, and cloud environments.
• Lead the deployment and management of technologies such as EDR/XDR, firewalls, DLP, VPNs, identity and access management (IAM), and SIEM solutions.
• Assess and improve internal security posture by identifying gaps, performing risk assessments, and developing remediation plans.
• Define and enforce secure configuration baselines for systems, applications, and infrastructure.
• Design and oversee role-based access controls and identity federation strategies across internal services and SaaS platforms.
• Drive defense-in-depth strategies to proactively protect internal assets from both external threats and insider risk.
• Collaborate with compliance teams to ensure alignment with frameworks such as ISO 27001, SOC 2, and NIST, and support audit preparation and response.
• Partner with IT operations and business stakeholders to securely enable employee productivity while minimizing risk.
• Monitor internal environments for anomalies and respond to incidents in coordination with incident response playbooks.
• Partner with Sales to ensure we are meeting compliance objectives and requirements 
• Mentor junior engineers and promote a security-first culture throughout the organization.

What you’ll bring: 

• 5+ years of experience in information security, with a focus on internal enterprise security
• Deep knowledge of endpoint, network, and cloud security principles and technologies
• Hands-on experience implementing and managing IAM, EDR, SIEM, and VPN tools at scale
• Strong grasp of secure system configurations, operating system hardening, and access control models
• Familiarity with compliance frameworks (e.g., SOC 2, ISO 27001, NIST) and regulatory requirements
• Demonstrated ability to collaborate cross-functionally with IT, compliance, and business units
• Excellent communication skills with the ability to translate complex security topics to non-technical stakeholders
• A figure-it-out, resourceful attitude and act with a sense of urgency

Nice to have:

• Experience with automation tooling and/or scripting (e.g., Python, PowerShell, Bash) 
• Experience working in a hybrid environment, on-prem + SaaS.
• Familiarity with MDM, secure remote access, and Zero Trust platforms

Our target salary range for this role is between $162,000 USD and $205,000 USD + bonus eligibility and equity. This position is located remote with no expectation to come into an office. 

We value diversity and are committed to creating an inclusive environment for all employees. Censys is an equal opportunity employer.