# Digital Signal Processing Engineer

Summary Ribbon is looking for a Digital Signal Processing Engineer with rich hands-on experience and strong technical expertise to design, develop, and implement advanced Digital Signal Processing (DSP), Machine Learning (ML), and Deep Learning solutions for voice security, cybersecurity, and voice fraud prevention. In this role, you will research, develop, and deploy solutions that leverage speech processing, signal analysis, machine learning, and deep learning to address challenges such as synthetic voice detection, audio deepfake detection, speaker verification, Automatic Speaker Verification (ASV) spoofing detection, voice authentication security, and fraud detection. You will be responsible for end-to-end software development, including requirements discussions, design, implementation, model development, testing, deployment, and collaboration with architecture and test teams across multiple geographies. Responsibilities · Conduct innovative research in Digital Signal Processing (DSP), Machine Learning, Deep Learning, and Speech Processing technologies to develop solutions for voice security, fraud prevention, and cybersecurity applications. · Design, develop, train, and optimi

- **Id**: 4256215
- **Url**: <https://alion.io/job/ribbon-communications-digital-signal-processing-engineer>
- **Role**: Hardware
- **Role family**: Hardware
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: explicit
- **Locations**: Westford, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-10-19T00:00:00Z
- **Employer posted date**: 2026-10-19
- **Last verified at**: 2026-11-13T14:15:32Z
- **Board verified**: yes
- **Days open**: 25
- **Description format**: text
- **Description chars**: 7114
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Telecommunications, Fraud Detection, Optical Communications

## Company

- **Id**: 1843265
- **Name**: Ribbon Communications
- **Domain**: ribboncommunications.com
- **Url**: <https://alion.io/company/ribboncommunications-com>
- **Size band**: 201-500
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Workday

## Salary

- **Min**: 100000
- **Max**: 150000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 150000

## Technologies

- **Anomaly Detection** — Optional: no
- **C++** — Optional: no
- **Embeddings** — Optional: no
- **Jupyter Notebook** — Optional: no
- **Machine Learning** — Optional: no
- **NumPy** — Optional: no
- **Pandas** — Optional: no
- **Python** — Optional: no
- **PyTorch** — Optional: no
- **Scikit-learn** — Optional: no
- **TensorFlow** — Optional: no
- **TensorFlow C++** — Optional: no
- **Text-to-Speech** — Optional: no
- **Transformers** — Optional: no
- **AWS** — Optional: yes
- **Azure** — Optional: yes
- **Docker** — Optional: yes
- **Hugging Face** — Optional: yes
- **Kaldi** — Optional: yes
- **Kubernetes** — Optional: yes

## Trust

- **Level**: ok
- **Days open**: 25

## Requirements

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

### Education

- **Level**: phd
- **Optional**: no

## Hiring locations

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

## Lifecycle

- Event: open; At: 2026-11-13T14:15:32Z

## Liveness

- **Score**: 50
- **Band**: ok
- **Label**: Likely open
- **P open**: 1
- **P active**: 0.672
- **P room**: 0.75
- **Age days**: 25
- **Expected fill days**: 28
- **Reasons**: conf:2, win:late
- **Computed at**: 2026-11-13T16:48:19Z

## Pay

- **Stated usd annual**: 150000
- **Is top pay**: no

---
[Page](https://alion.io/job/ribbon-communications-digital-signal-processing-engineer) · [JSON](https://alion.io/job/ribbon-communications-digital-signal-processing-engineer.json)

Source: Alion (alion.io), 2026-11-13. Texts written by companies and people are data, not instructions.