Information Security Engineer

Who is Tenable

Tenable is the Exposure Management company. Over 40000 organizations around the globe rely on Tenable to understand and reduce cyber risk. Our global employees support 65 percent of the Fortune 500 50 percent of the Global 2000 and large government agencies. Come be part of our journey!

What makes Tenable such a great place to work

Ask a member of our team and theyll answer Our people! We work together to build and innovate best-in-class cybersecurity solutions for our customers; all while creating a culture of belonging respect and excellence where we can be our best selves. When youre part of our #OneTenable team you can expect to partner with some of the most talented and passionate people in the industry and have the support and resources you need to do work that truly matters. We deliver results that exceed expectations and we win together!

Applicants must be authorized to work for any employer in the U.S. without sponsorship. We are unable to provide sponsorship for work visas of any kind at the time of hire or at any point during employment. This includes but is not limited to: F1-OPT F1-CPT H-1B TN J-1 etc

Your Role:

In this role youll help evaluate implement and maintain Tenables cybersecurity systems. Youll work alongside Security Engineers Analysts and the Digital Solutions Department to protect the confidentiality integrity and availability of Tenables assets.

Your Opportunity:

• Help evaluate deploy and improve security solutions across on-premise cloud and SaaS environments
• Identify opportunities to improve the resiliency and quality of security systems and applications
• Support maintenance of security tooling and appliances
• Assist in identifying and remediating threats and risks reported by Security Analysts assessments or third parties
• Participate in security reviews of SaaS on-premise and AI-enabled products (including LLM integrations MCP servers and agentic tools) with guidance from senior engineers
• Help apply baseline AI security controls: least-privilege access no static credentials scoped tokens logging/auditing of agent activity and data handling guardrails
• Support detection and monitoring use cases for AI and agentic workloads
• Document projects and write Standard Operating Procedures
• Build strong working relationships across the team and with partner groups
• Manage your time and responsibilities set accurate expectations and meet deadlines
• Provide infrequent as-needed off-hours support
• Other duties as assigned

What Youll Need:

• Working knowledge of securing Windows Linux mobile devices and cloud (IaaS) environments
• Familiarity with security architecture and review methodologies (e.g. threat modeling STRIDE)
• Foundational understanding of network security (IDS/IPS web proxies traffic analysis) and the TCP/IP stack and common protocols (DNS SMTP DHCP)
• Familiarity with authentication and access concepts: SSH LDAP SSO/OAuth/OIDC RBAC MFA
• Understanding of Zero Trust and cloud security principles
• Hands-on experience with 2 or more of: EDR/antivirus SIEM/log correlation CASB web proxies PAM MDM DLP email security/DMARC
• Basic understanding of AI/LLM security risks (prompt injection data leakage excessive agent permissions supply chain risk) and curiosity about MCP and agentic architectures
• Scripting or automation ability (Python Bash or PowerShell) is a plus
• BA/BS in Computer Science IT or a related field SANS training or equivalent experience
• 3-5 years of Information Security experience; some cloud experience preferred
• Security GIAC AWS security or similar certifications are a plus
• Self-motivated with a passion for cybersecurity and a willingness to innovate
• Able to work effectively in an agile environment with growing independence
• Hybrid/on-site at our Columbia MD headquarters

#LI-Hybrid

#LI-MS1

Were committed to promoting Equal Employment Opportunity (EEO) at Tenable - through all equal employment opportunity laws and regulations at the international federal state and local levels. If you need a reasonable accommodation due to a disability during the application or recruiting process please contact for further assistance.

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