# Enterprise Application Security Engineer (Builder)

Meta's Enterprise Application Security team is seeking a security engineer with proven experience identifying weaknesses and crafting creative solutions to eliminate those weaknesses at scale. We secure and harden the enterprise applications Meta runs on, both first-party and third-party, and we protect the sensitive data they hold. We don't just identify and help fix security vulnerabilities, we go beyond by preventing security problems before they exist.Our scope includes securing how Meta adopts third-party AI applications and agentic workflows across the enterprise, a high-priority area with significant visibility across the company. You will be expected to collaborate technically with developers and engineers across large organizations, and you will be relied upon to provide application and infrastructure teams with the security expertise necessary to build the secure enterprise that underpins Meta. Responsibilities Conceive, design, develop and improve effective security tooling, automation and/or frameworks that enable enterprise teams at scale to deliver applications and services with appropriate security controls to meet evolving requirements for security, privacy, and dat

- **Id**: 2671514
- **Url**: <https://alion.io/job/meta-enterprise-application-security-engineer-builder>
- **Role**: Security
- **Role family**: Security
- **Seniority**: junior
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: New York, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 2
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-09-11T20:49:30Z
- **Employer posted date**: 2026-09-11
- **Last verified at**: 2026-11-09T01:30:04Z
- **Board verified**: yes
- **Days open**: 58
- **Description format**: text
- **Description chars**: 4035
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Application Security, Advertising, Digital Media, Foundation Models

## Company

- **Id**: 20
- **Name**: Meta
- **Domain**: meta.com
- **Url**: <https://alion.io/company/meta>
- **Size band**: 5000+
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Career sitemap

### Truth index

- **Grade**: B
- **Score**: 77
- **Open postings**: 241
- **Ghost share**: 0
- **Stale share**: 0.909
- **Repost share**: 0
- **Time to fill p50 days**: 38
- **Computed at**: 2026-11-08T05:47:12Z

## Salary estimate

- **Min usd**: 130000
- **Max usd**: 269000
- **Period**: year
- **Method**: role_seniority_country_remote_cell
- **Sample n**: 344

## Technologies

- **Agentic Workflows** — Optional: no
- **C++** — Optional: no
- **Context Engineering** — Optional: no
- **Incident Management** — Optional: no
- **Java** — Optional: no
- **LLM Guardrails** — Optional: no
- **PHP** — Optional: no
- **Python** — Optional: no
- **Red Teaming** — Optional: no
- **Ruby** — Optional: no
- **Rust** — Optional: no
- **Threat Modeling** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 58

## Requirements

- **Experience years min**: 2
- **Manages managers**: no
- **Security clearance**: no

### Education

- **Level**: bachelor
- **Optional**: yes

## Lifecycle

- Event: open; At: 2026-10-16T04:14:36Z

## Visa

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

## Liveness

- **Score**: 17
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.481
- **P room**: 0.36
- **Age days**: 57
- **Expected fill days**: 38
- **Reasons**: conf:0, stale_co, velocity, win:tail, crowd:junior,brand
- **Computed at**: 2026-11-08T05:47:12Z

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Source: Alion (alion.io), 2026-11-09. Texts written by companies and people are data, not instructions.