# Security Engineer

Your role As a Security Engineer, you will own the security of the systems financial institutions trust with sensitive client data and regulated financial workflows: our applications, our cloud infrastructure and the engineering practices that produce them. Saturn is a Series A, Y Combinator-backed company building the AI-native operating system for financial advice. Our platform combines a living data model of the client, AI agents that complete complex advice and operational workflows, and compliance logic embedded directly into how work is produced. That means real client data, real money movements and real regulatory consequences, all moving through systems that are still being built. You will not operate as a gatekeeper or arrive at the end of a project to review it. You are expected to understand how systems actually work, identify where a failure or an attack would cause real harm, and help teams fix it at the right level. Your work is what allows Saturn to meet the security expectations of large financial institutions without slowing engineering down with process for its own sake. The Team Our engineers care deeply about craft, speed and quality. They include early and foun

- **Id**: 1178712
- **Url**: <https://alion.io/job/saturn-security-engineer-2>
- **Role**: Security
- **Role family**: Security
- **Seniority**: middle
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: London, United Kingdom
- **Countries**: GB
- **Hiring countries total**: 0
- **Experience years min**: 3
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: yes
- **Status**: live
- **First seen at**: 2026-09-24T12:26:24Z
- **Employer posted date**: 2026-10-22
- **Last verified at**: 2026-11-15T02:41:09Z
- **Board verified**: yes
- **Days open**: 51
- **Description format**: text
- **Description chars**: 5434
- **Description truncated**: no
- **Benefits**: Equity, Health insurance, Professional development
- **Relocation offered**: no
- **Industries**: Financial Software & Embedded Finance, Financial AI

## Company

- **Id**: 5639
- **Name**: Saturn
- **Domain**: saturnos.com
- **Url**: <https://alion.io/company/saturn>
- **Size band**: 51-200
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Work at a Startup

## Salary

- **Min**: 80000
- **Max**: 130000
- **Currency**: GBP
- **Period**: year
- **Usd annual**: 171684

## Technologies

- **AI Agents** — Optional: no
- **AWS** — Optional: no
- **CI/CD** — Optional: no
- **Go** — Optional: no
- **IAM** — Optional: no
- **ISO 27001** — Optional: no
- **OWASP Top 10** — Optional: no
- **Postman** — Optional: no
- **Python** — Optional: no
- **SIEM** — Optional: no
- **SOC 2** — Optional: no
- **TypeScript** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 51

## Requirements

- **Experience years min**: 3
- **Manages managers**: no
- **Security clearance**: no

## Lifecycle

- Event: open; At: 2026-09-24T12:26:24Z

## Visa

- Country: GB; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: Licensed UK visa sponsor (Skilled Worker); Route: Skilled Worker

## Liveness

- **Score**: 85
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.85
- **P room**: 1
- **Age days**: 51
- **Expected fill days**: 223
- **Reasons**: conf:5, win:early
- **Computed at**: 2026-11-15T07:52:55Z

## Pay

- **Stated usd annual**: 171684
- **Is top pay**: yes

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Source: Alion (alion.io), 2026-11-15. Texts written by companies and people are data, not instructions.