# IT Security Engineer

About the Company America is under sustained cyber attack. Our adversaries infiltrate our networks, steal our IP, and degrade the digital infrastructure that modern life runs on. They’ve learned-correctly-that those attacks rarely produce consequences. Twenty was founded to change that, by making our adversaries think twice before they attack us. Our vision is American and allied primacy in cyberspace-a future where they cannot contest us, deterrence is assured, and the free world remains secure. Founded in 2024, Twenty Technologies (www.twenty.io) industrializes offensive cyber operations for the U.S. and its allies. Headquartered in Arlington, Virginia, Twenty has raised $168M from Khosla Ventures, Accel, Caffeinated Capital, Friends & Family Capital, Point72 Ventures, General Catalyst, and In-Q-Tel. Mission | On Site | Full Time | U.S. Citizenship Required / No Active Clearance Required Role Summary We are seeking IT Security Engineer to join our growing technology engineering team. This is a critical role that will establish and maintain our security infrastructure, protect our digital assets, and ensure compliance with industry standards. You will be responsible for implementi

- **Id**: 694476
- **Url**: <https://alion.io/job/twenty-it-security-engineer>
- **Role**: Security
- **Role family**: Security
- **Seniority**: senior
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Arlington, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 5
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-07-07T20:42:39Z
- **Employer posted date**: 2026-07-07
- **Last verified at**: 2026-11-07T20:39:26Z
- **Board verified**: yes
- **Days open**: 123
- **Description format**: text
- **Description chars**: 5334
- **Description truncated**: no
- **Benefits**: Parental leave
- **Relocation offered**: no
- **Industries**: National Security, Cyber Warfare

## Company

- **Id**: 685785
- **Name**: Twenty
- **Domain**: twenty.io
- **Url**: <https://alion.io/company/twenty-2>
- **Size band**: 501-1000
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Ashby

### Truth index

- **Grade**: A
- **Score**: 94
- **Open postings**: 27
- **Ghost share**: 0
- **Stale share**: 0.037
- **Repost share**: 0
- **Time to fill p50 days**: 135
- **Computed at**: 2026-11-07T05:47:08Z

## Salary

- **Min**: 116000
- **Max**: 195000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 195000

## Technologies

- **AWS** — Optional: no
- **Azure** — Optional: no
- **CMMC** — Optional: no
- **DHCP** — Optional: no
- **DLP** — Optional: no
- **DNS** — Optional: no
- **Docker** — Optional: no
- **GCP** — Optional: no
- **GDPR** — Optional: no
- **IAM** — Optional: no
- **Kubernetes** — Optional: no
- **OWASP Top 10** — Optional: no
- **PCI DSS** — Optional: no
- **SIEM** — Optional: no
- **Snort** — Optional: no
- **SOC 2** — Optional: no
- **Splunk** — Optional: no
- **Suricata** — Optional: no
- **TCP/IP** — Optional: no
- **Ansible** — Optional: yes
- **Terraform** — Optional: yes

## Trust

- **Level**: ok
- **Repost count**: 0
- **Days open**: 122

## Requirements

- **Experience years min**: 5
- **Manages managers**: no
- **Security clearance**: yes

### Education

- **Level**: bachelor
- **Optional**: no

## Hiring locations

- **United States** — Iso: US; Kind: country

## Lifecycle

- Event: open; At: 2026-09-11T01:41:42Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: H-1B filings in 12 months: 2; Filings 12m: 2

## Liveness

- **Score**: 51
- **Band**: ok
- **Label**: Likely open
- **P open**: 1
- **P active**: 0.85
- **P room**: 0.6
- **Age days**: 122
- **Expected fill days**: 135
- **Reasons**: conf:1, velocity, win:late, crowd:
- **Computed at**: 2026-11-07T05:47:08Z

## Pay

- **Stated usd annual**: 195000
- **Is top pay**: yes

---
[Page](https://alion.io/job/twenty-it-security-engineer) · [JSON](https://alion.io/job/twenty-it-security-engineer.json)

Source: Alion (alion.io), 2026-11-07. Texts written by companies and people are data, not instructions.