# Jr Software Engineer

Leidos is seeking a Junior Software Engineer, who will be a member of a dynamic team in Gaithersburg, MD, working on the development/maintenance of software that improves aircraft runway and terminal congestion. Nationwide congestion is increasing, and the need for efficient aircraft traffic planning is critical. The Federal Aviation Administration (FAA) Terminal Flight Data Manager (TFDM) is the surface management solution that will provide NextGen Air Traffic Control capabilities to improve air traffic operations in the National Airspace System (NAS). The Terminal Flight Data Management (TFDM) program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management that provides efficiency for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. We are a team of forward-looking professionals in need of a strong candidate with these key required skills: Modern Development (Python, Java, C++, PHP), Structured Data (XML, XSD, XSLT, JSON, CSV), Agile / Scrum development, AI-Assisted Development, relational databases (PostgreSQL, MySQL, Oracle). Candidates must be l

- **Id**: 4327073
- **Url**: <https://alion.io/job/leidos-jr-software-engineer-3>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: junior
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Gaithersburg, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-12T00:00:00Z
- **Employer posted date**: 2026-11-12
- **Last verified at**: 2026-11-15T05:00:42Z
- **Board verified**: yes
- **Days open**: 3
- **Description format**: text
- **Description chars**: 6461
- **Description truncated**: no
- **Benefits**: Equity
- **Relocation offered**: no
- **Industries**: National Security, C4ISR, IT Consulting & Digital Transformation, Engineering Services

## Company

- **Id**: 7791
- **Name**: Leidos
- **Domain**: leidos.com
- **Url**: <https://alion.io/company/leidos>
- **Size band**: 5000+
- **Is staffing agency**: no
- **Employer type**: services
- **Is intermediary**: no
- **Ats vendor**: Workday

### Truth index

- **Grade**: B
- **Score**: 77
- **Open postings**: 339
- **Ghost share**: 0.006
- **Stale share**: 0.912
- **Repost share**: 0.012
- **Time to fill p50 days**: 27
- **Computed at**: 2026-11-14T05:58:10Z

## Salary

- **Min**: 69550
- **Max**: 125725
- **Currency**: USD
- **Period**: year
- **Usd annual**: 125725

## Technologies

- **Agile** — Optional: no
- **AI Agents** — Optional: no
- **Ansible** — Optional: no
- **AWS** — Optional: no
- **Bamboo** — Optional: no
- **Bash** — Optional: no
- **Bitbucket** — Optional: no
- **C++** — Optional: no
- **CI/CD** — Optional: no
- **Confluence** — Optional: no
- **Docker** — Optional: no
- **Doctrine** — Optional: no
- **Drupal** — Optional: no
- **Eloquent** — Optional: no
- **Git** — Optional: no
- **JavaScript** — Optional: no
- **Jenkins** — Optional: no
- **Jira** — Optional: no
- **Linux** — Optional: no
- **Model Context Protocol** — Optional: no
- **MySQL** — Optional: no
- **Oracle** — Optional: no
- **PHP** — Optional: no
- **Pillow** — Optional: no
- **Playwright** — Optional: no
- **PostgreSQL** — Optional: no
- **Prompt Engineering** — Optional: no
- **Pytest** — Optional: no
- **Python** — Optional: no
- **RAG** — Optional: no
- **Rest API** — Optional: no
- **Scrum** — Optional: no
- **Selenium** — Optional: no
- **SonarQube** — Optional: no
- **SQL** — Optional: no
- **Terraform** — Optional: no
- **TypeScript** — Optional: no
- **Unix** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 3

## Requirements

- **Manages managers**: no
- **Security clearance**: yes

### Education

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

## Lifecycle

- Event: open; At: 2026-11-15T01:46:27Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: H-1B filings in 12 months: 50 · green card filings: 24; Filings 12m: 50

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 3
- **Expected fill days**: 27
- **Reasons**: conf:0, win:early, comp:junior,brand
- **Computed at**: 2026-11-15T05:29:04Z

## Pay

- **Stated usd annual**: 125725
- **Is top pay**: no

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