# IT Security Engineer at Twenty

- Company: Twenty
- What the company does: The #1 Open Source CRM for modern teams. Modular, scalable, and built to fit your business. Backed by Y Combinator.
- Company website: https://twenty.com
- Type: Startups
- Level: Mid level
- Location: Arlington, VA
- Work setup: On-site
- Pay: $116K to $195K base salary per year (USD)
- Posted: 2026-07-07
- Apply by: 2026-10-08
- Apply: https://jobs.ashbyhq.com/twenty/e78dcbbb-532f-4097-9282-aa8e8410c7c7
- Page: https://www.1752.vc/careers/jobs/twenty-it-security-engineer/

## About the role

Design, implement, and maintain enterprise network security architecture, including firewalls, intrusion detection systems, VPNs, and DMZs. Develop and enforce security policies, standards and procedures across the organization.

## What they're looking for

- Bachelor's degree in Computer Science, Information Security, or related field (or equivalent professional experience)
- 5+ years of professional IT security experience, with demonstrated expertise in at least two of the following domains: network security, systems security, or cybersecurity
- Strong knowledge of TCP/IP, DNS, DHCP, and network protocols, experience with firewalls, proxies, and network segmentation
- Hands-on experience with security tools such as Splunk, ELK Stack, Snort, Suricata, or similar SIEM and IDS/IPS platforms
- Proficiency in systems security, including endpoint protection and vulnerability management
- Experience with cloud security (AWS, Azure, or GCP) and containerized environments (Docker, Kubernetes)

Tags: Engineering