Information Security Engineer

Tenable, Inc.; Maryland; Hybrid; USD 103,000 - 137,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) with company match

Employee stock purchase plan

Paid time off

Job summary

Tenable, Inc. is seeking a cybersecurity professional to evaluate, implement and maintain Tenable’s security systems. You will collaborate with Security Engineers, Analysts and the Digital Solutions Department to protect Tenable’s assets across on-premise, cloud, and SaaS environments.

You’ll identify opportunities to improve resiliency, support tooling, and remediate threats. Hybrid/on-site at Columbia, MD headquarters with potential for early- or late-hour support as needed.

Qualifications

• Working knowledge of securing Windows, Linux, mobile devices and cloud environments.
• Familiarity with security architecture and review methodologies (threat modeling, STRIDE).
• Understanding of network security and common protocols (DNS, SMTP, DHCP).
• Authentication concepts: SSH, LDAP, SSO/OAuth/OIDC, RBAC, MFA.
• Zero Trust and cloud security principles.
• Hands-on experience with 2+ of EDR, SIEM, CASB, web proxies, PAM, MDM, DLP, email security/DMARC.
• BA/BS in CS/IT or related field; SANS training or equivalent.
• 3–5 years of Information Security experience; some cloud experience preferred.

Responsibilities

• Evaluate, deploy and improve security solutions across on-premise, cloud and SaaS environments.
• Identify opportunities to improve 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 teams.
• Participate in security reviews of SaaS and on-premise products with guidance from senior engineers.
• Help apply baseline AI security controls and guardrails.
• Support detection and monitoring use cases for AI workloads.
• Document projects and write Standard Operating Procedures.
• Build strong relationships across teams; manage time and deadlines; provide occasional off-hours support.

Skills

Security fundamentals

Threat modeling

Zero Trust

Cloud security

Python scripting

Education

BA/BS in Computer Science or IT

SANS training or equivalent

Tools

SIEM

EDR

CASB

DLP

PAM

Web proxies

MDM

Job description

Who is Tenable?

Tenable® is the Exposure Management company. Over 40,000 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 they’ll 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 you’re 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, you’ll help evaluate, implement and maintain Tenable’s cybersecurity systems. You’ll work alongside Security Engineers, Analysts and the Digital Solutions Department to protect the confidentiality, integrity and availability of Tenable’s 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 You’ll 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

This is the base pay range for this position. Compensation for the role will depend on a number of factors, including the candidate's qualifications, skills, competencies, location and experience, and may fall outside of the range shown. Employees are also eligible for variable compensation in addition to base pay (commission for sales roles, bonus for non-sales roles), depending on company and individual performance. Tenable also offers a variety of comprehensive and competitive benefits which include: medical, dental, vision, disability and life insurance; 401(k) retirement savings with company match; an employee stock purchase plan; an employee referral program; flexible spending accounts; an Employee Assistance Program (EAP); education assistance; parental leave; paid time off (PTO); company-paid holidays; health and wellness events; and community programs.

US Pay Range

$102,500—$136,500 USD

We’re 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 [e-mail] for further assistance.

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