# Principal Software Reverse Engineer

STR is hiring aPrincipal Software Reverse Engineer who has a passion for research and analysis of vulnerabilities in cyber physical systems. This opportunity will be part of a multidisciplinary team of researchers and engineers dedicated to developing cutting-edge technologies with significant and immediate impact on our national security. This position offers an excellent opportunity to work at the nexus of computers and real-world physical systems. We believe that each employee has a unique set of skills, experiences, and perspectives that are essential to providing our customers with innovative solutions. The skills listed below are representative of those needed for this role but are not the only acceptable set. If you see an overlap with your skills, go ahead and apply!. Work must be performed onsite and Active Top Secret (TS) Clearance required. What you’ll do: Reverse engineering complex software or firmware targets, ranging from typical Windows/Linux binaries to embedded firmware running non-traditional computer architectures and operating systems Developing and applying automated reverse engineering and binary analysis tools to characterize protocols, interfaces, and funct

- **Id**: 579037
- **Url**: <https://alion.io/job/systems-and-technology-research-principal-software-reverse-engineer>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: lead
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: San Diego, United States, Arlington, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 15
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-09-08T22:29:11Z
- **Employer posted date**: 2026-10-01
- **Last verified at**: 2026-11-08T10:25:43Z
- **Board verified**: yes
- **Days open**: 60
- **Description format**: text
- **Description chars**: 5732
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: C4ISR, Cyber Warfare, Information Security, Defense AI

## Company

- **Id**: 5401
- **Name**: Systems and Technology Research
- **Domain**: str.us
- **Url**: <https://alion.io/company/str>
- **Size band**: 1001-5000
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Greenhouse

### Truth index

- **Grade**: A
- **Score**: 87
- **Open postings**: 39
- **Ghost share**: 0
- **Stale share**: 0.538
- **Repost share**: 0
- **Time to fill p50 days**: 49
- **Computed at**: 2026-11-08T05:47:12Z

## Salary

- **Min**: 204000
- **Max**: 284000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 284000

## Technologies

- **Binary Ninja** — Optional: no
- **C++** — Optional: no
- **Ghidra** — Optional: no
- **IDA Pro** — Optional: no
- **Linux** — Optional: no
- **Python** — Optional: no
- **Windows** — Optional: no
- **QEMU** — Optional: yes

## Trust

- **Level**: ok
- **Days open**: 60

## Requirements

- **Experience years min**: 15
- **Manages managers**: no
- **Security clearance**: yes

### Education

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

## Lifecycle

- Event: open; At: 2026-09-09T20:20:06Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: H-1B filings in 12 months: 4; Filings 12m: 4

## Liveness

- **Score**: 23
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.534
- **P room**: 0.44
- **Age days**: 60
- **Expected fill days**: 49
- **Reasons**: conf:3, stale_co, velocity, win:tail, crowd:brand
- **Computed at**: 2026-11-08T05:47:12Z

## Pay

- **Stated usd annual**: 284000
- **Is top pay**: yes

---
[Page](https://alion.io/job/systems-and-technology-research-principal-software-reverse-engineer) · [JSON](https://alion.io/job/systems-and-technology-research-principal-software-reverse-engineer.json)

Source: Alion (alion.io), 2026-11-08. Texts written by companies and people are data, not instructions.