Full-Time

Machine Learning Engineer

Spear AI

Spear AI

51-200 employees

AI-enabled defense software and maritime sensors

No salary listed

No H1B Sponsorship

Washington, DC, USA

Remote

Remote work from anywhere.

US Top Secret Clearance Required

Category
AI & Machine Learning (2)
,
Required Skills
Kubernetes
MLOps
Microsoft Azure
Python
PyTorch
Machine Learning
Docker
AWS
REST APIs
DevOps
Google Cloud Platform

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Requirements
  • Several years of experience with Python and machine learning frameworks
  • Expertise in PyTorch for building and training neural networks
  • Experience training and serving models in cloud environments (AWS, Azure, GCP)
  • Proficiency with MLOps practices including experiment tracking, model versioning, and deployment
  • Experience with model optimization for production performance and scale
  • Knowledge of Docker and Kubernetes for containerized deployments
  • Familiarity with REST APIs and model serving frameworks
  • Understanding of CI/CD pipelines for ML systems
  • Strong fundamentals in machine learning including model architecture design, training strategies, and evaluation
  • Must be willing to receive a Secret or Top Secret/SCI security clearance

Spear AI builds AI and machine-learning tools for national security and maritime missions. Its Horizon AI Platform labels and manages acoustic data, while Forerunner handles edge AI processing and it also offers field-ready maritime sensors; combined with consulting services on AI strategy and data pipelines, the company provides a deployable hardware-software stack. The solutions help operators interpret passive acoustics to distinguish background sounds from potential threats, improving decision-making and situational awareness in challenging maritime environments. The team’s Navy background and focus on defense use set it apart, aiming to support Navy and allied operations with reliable, integrated tools for detection, data management, and edge computing.

Company Size

51-200

Company Stage

Seed

Total Funding

$2.3M

Headquarters

Washington DC, District of Columbia

Founded

2022

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Simplify Jobs

Simplify's Take

What believers are saying

  • Spear AI raised $2.3 million on 2025-07-25, extending runway and hiring.
  • Spear AI won a $6 million Navy contract for labeling software in 2025.
  • Its 2026-08-05 website shows production maritime sensors and active product expansion.

What critics are saying

  • The U.S. Navy contract and seed funding create dangerous customer concentration.
  • Ultra Maritime and Anduril validated competing undersea stacks at Lanternfish 2026.
  • If Navy procurement shifts to primes, Spear AI's standalone platform becomes irrelevant.

What makes Spear AI unique

  • Spear AI marries Navy veterans' operator intuition with passive-acoustics machine learning.
  • Its Horizon and Forerunner products convert chaotic underwater noise into deployable decisions.
  • It sells sensors, software, and services together, shortening defense adoption cycles.

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Benefits

Unlimited Paid Time Off

Paid Sick Leave

Health Insurance

Dental Insurance

Vision Insurance

11 Paid Holidays

Professional Development Budget

Remote Work Options

Flexible Work Hours

Hybrid Work Options

401(k) Company Match

Relocation Assistance

Employee Referral Bonus

Performance Bonus

Life Insurance

Disability Insurance

Home Office Stipend

Professional Certification Support

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

10%

2 year growth

-1%
Intelligence360 News
Aug 11th, 2025
Spear AI Secures Seed Funding Round

Spear AI announced the completion of its seed funding round with investments from Scare the Bear Capital and Cortical Ventures. The funding will help expand Spear AI's product portfolio, scale its Horizon platform, and enhance maritime sensor capabilities. The company aims to accelerate delivery of AI solutions to defense and commercial partners, focusing on transforming maritime data into actionable intelligence.

Read Magazine
Jul 28th, 2025
Spear AI Secures Seed Funding from Scare the Bear Capital and Cortical Ventures to Accelerate Maritime AI Solutions and Expand Technical Services

Spear AI secures seed funding from Scare the Bear Capital and Cortical Ventures to accelerate maritime AI solutions and expand technical services.

Tekedia
Jul 27th, 2025
Navy Veterans' Startup Spear AI Raises $2.3M, Wins $6M Navy Contract to Revolutionize Underwater Surveillance with AI

In parallel, Spear AI announced a $2.3 million seed funding round backed by venture capital firms with a focus on artificial intelligence and national defense technologies.

TechStartups
Jul 25th, 2025
Spear AI raises $2.3M to bring AI-powered threat detection to U.S. Navy submarines

Spear AI, an AI startup based in Washington, has secured $2.3 million in its first outside funding round to accelerate its work decoding underwater sounds using artificial intelligence, Reuters reported.

VCNewsDaily
Jul 25th, 2025
Spear AI Completes Seed Funding Round

Spear AI, a developer of maritime artificial intelligence solutions based in Washington, DC, has successfully completed its seed funding round.