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SixGen

Adversarial emulation and cyber operations

Full Stack Software Engineer

Full-Stack EngineeringConfirmed live in the last 24 hours
Full-timeFort Meade, MD, USA

About the Job

Requirements

  • U.S. citizenship is required, and the candidate must be able to obtain a U.S. Government security clearance up to the Secret or Top Secret level.
  • Proficiency in one or more programming languages such as Python, C++, Java, or C.
  • Experience developing software in Linux-based environments.
  • Familiarity with secure coding practices and software lifecycle principles.
  • Experience supporting Department of Defense, Intelligence Community, or federal government software development projects.
  • Knowledge of DevSecOps, containerization, or distributed systems.
  • Familiarity with Agile methodologies and tools such as Git, Jira, and continuous integration/continuous delivery pipelines.

Responsibilities

  • Design, develop, test, and deploy software applications and systems in support of government and customer missions.
  • Collaborate with systems engineers, analysts, and end users to understand technical requirements and translate them into software solutions.
  • Write clean, efficient, and maintainable code using modern programming languages and development practices.
  • Support integration, debugging, and testing activities in lab and operational environments.
  • Ensure software meets security, performance, and reliability standards in compliance with government policies and frameworks.

About the Company

SixGen

Adversarial emulation and cyber operations

SIXGEN provides mission-aligned cybersecurity services for government, defense, critical infrastructure, and commercial clients, including adversarial emulation, incident response, penetration testing, reverse engineering, cyber training, and applied research, plus RAVEN, a DoD-certified high-performance cyber operations platform with pre-configured software on a computing node that uses AI for threat detection and response. It acts as a prime contractor for the Department of the Navy and as a subcontractor for major defense contractors, growing through acquisitions to strengthen software infrastructure, electronic warfare, and reverse engineering capabilities. It differentiates itself by being a mission-focused, speed-driven non-traditional defense contractor backed by private equity. Its goal is to deliver mission-ready cyber solutions that protect critical assets and enable secure, resilient operations for national security and critical infrastructure.

Company size
51-200
Company stage
Seed
Total funding
$500K
Headquarters
Annapolis, MD
Founded
2014

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