---
title: 'Reverse Engineer at SixGen, Inc.'
canonical: 'https://feeny.ai/job/reverse-engineer-sixgen-inc-sterling-5qn6hq1z9zad'
type: 'job'
last_seen: '2026-09-14'
---

# Reverse Engineer at SixGen, Inc.

- **Company:** SixGen, Inc.
- **Location:** Sterling, VA
- **Posted:** 2026-09-08
- **Last confirmed live:** 2026-09-14
- **Apply:** https://job-boards.greenhouse.io/sixgeninc/jobs/5418196008

## Job description

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape.

## POSITION OVERVIEW

Position: Reverse Engineer Job Type: Full-time Location: Sterling, VA (Five days in office) Clearance Requirements: Active Top Secret clearance required Experience: Intermediate, Senior, and Principal levels

## WHAT YOU'LL DO

SIXGEN is actively seeking candidates to provide critical support for a variety of IC, DoD, and DoJ customers. We welcome candidates across a range of experience levels, from early-career professionals to seasoned veterans. Our reverse engineers should be familiar with both traditional applications and operating systems, as well as embedded systems.

SIXGEN is embracing AI to enhance the speed and efficiency of our work. You’ll have the opportunity to incorporate AI into your workflow, and experiment with new tools and strategies as the space evolves.

This position may allow hybrid work; however, this is dependent on the project, therefore candidates may be required to be in the office full time.

## KEY RESPONSIBILITIES

- Reverse engineering compiled code with IDA Pro or Ghidra from a variety of computing platforms

- Identifying vulnerabilities through reverse engineering

- Developing C/C++ code in the kernel and userland on Linux, Windows, and embedded operating systems

- Developing Python code for server applications and processing of binary data streams

- Reverse engineering embedded system hardware including black box analysis, firmware extraction, and debugging using GDB, JTAG, and other equivalent tools

- Implementing automation for testing our tools, fuzzing, and using AI/ML for reverse engineering

## QUALIFICATIONS

- Intermediate: 3+ years of relevant experience.

- Senior: 6+ years of relevant experience.

- Principal: 10+ years of relevant experience.

- Experience reverse engineering compiled code using IDA Pro or Ghidra.

- Proficiency in C, C++, and Python.

- Experience developing code for Linux, Windows, or embedded operating systems.

- Experience identifying vulnerabilities through reverse engineering.

- Experience with hardware and software reverse engineering.

- U.S. citizenship required.

- Active Top Secret clearance required.

## PREFERRED QUALIFICATIONS

- Experience reverse engineering embedded systems.

- Experience with black-box analysis and firmware extraction.

- Experience debugging with GDB, JTAG, or equivalent tools.

- Experience with fuzzing and automated testing.

- Experience applying AI or machine learning to reverse-engineering workflows.

- Background supporting IC, DoD, or DoJ customers.

## DESIRED TRAITS

- Curiosity and passion for solving complex technical challenges.

- Ability to work independently and collaboratively.

- Strong analytical and problem-solving skills.

- Adaptability as tools, technologies, and strategies evolve.

## TECHNOLOGIES

- C, C++, and Python

- Git

- IDA Pro and Ghidra

- GDB and JTAG

- Linux and Windows

- Hardware/Software Reverse Engineering

## COMPENSATION & BENEFITS

At SIXGEN, we are committed to fair and equitable compensation practices. Compensation for this role will be based on experience, qualifications, technical expertise, and overall alignment with the position.

- Intermediate 3+ Years: $150,000–$165,000

- Senior 6+ Years : $175,000–$190,000

- Principal 10+ Years: $205,000–$225,000

Additionally, SIXGEN offers top-tier benefits for full-time employees, including:

- Employer-paid health insurance premiums (medical, dental, vision) for you and your family

- Employer-paid short/long-term disability insurance and basic life/AD&D insurance

- 401(k) with a 4% employer contribution

- Professional development reimbursement options available (training, certification, education, etc.)

- Flexible and remote work policies for most positions

- Flexible PTO and holiday schedule

For more information, please reach out to our Director of Human Resources, Amy Maxwell, at amy.maxwell@sixgen.io.

## OUR COMMITMENT

SIXGEN is an Equal Opportunity Employer. We ensure that all applicants are considered for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, age, marital status, ancestry, protected veteran status, or any other protected group or class.

We are committed to fostering an inclusive culture that values diversity in our people, reflecting the communities we serve and our customer base. We strive to attract and retain a diverse talent pool and create an environment where everyone is empowered to be their authentic selves at work.

## About SixGen, Inc.

## Company Overview
- **One-liner**: SIXGEN is a cybersecurity company that provides mission-aligned cyber capabilities, tools, and operations to protect government, defense, and critical infrastructure organizations from global adversaries.
- **Entity Type**: Private (acquired by Washington Harbour Partners in November 2023)
- **Headquarters**: Annapolis, Maryland, United States
- **Founded**: 2014
- **Founders**: Ethan Dietrich

## Core Business
- **Primary industry/industries**: Cybersecurity, Defense & Aerospace, Critical Infrastructure Protection
- **Target customers**: Government agencies (U.S. and allied), Defense & Aerospace contractors, Energy & Utilities, Telecommunications, Commercial Enterprises, and other Critical Infrastructure sectors (B2B, B2G)
- **Mission or purpose statement**: To reveal threats, secure operations, and empower missions. They provide the tools, automation, insights, and tradecraft needed to adapt and operate in constantly shifting threat environments with a focus on the purposeful integration of machine speed and human expertise. [sixgen.io](https://www.sixgen.io/)

## Products & Services
- **Cyber Operations Services**: Highly skilled operators conduct research, assessments, and red team operations based on real-world threats, emulating global adversaries to report detailed and actionable findings on critical assets and infrastructures.
- **Applied Research, Reverse Engineering, & RF Development**: Services that involve deep technical analysis and tool development to uncover vulnerabilities and solve complex cyber challenges.
- **Cyber Training**: Train operators to execute across the full spectrum of cyber operations.
- **Automation, AI & Data Science**: Building tools that integrate machine speed with human expertise for threat detection, data security, and scalable growth-oriented solutions.
- **Infrastructure Security**: Services focused on IT/OT visibility, proactive mitigation, automated compliance, and unified visibility for legacy and modern systems.

## Market Standing
- **Valuation/Market Cap**: Not publicly available (acquired, so no public market cap)
- **Key Metric**: Annual Revenue of **$15.3 million** | Total Funding: **$500,000** (Seed round in 2017)
- **Notable Investors/Partners**: Parent company is **Washington Harbour Partners LP** (acquired in Nov 2023). Previously acquired **Fourcast Management and Analysis** (July 2022). Board member includes **Stu Shea**.
- **Growth Signals**: 
  - Year-over-year headcount growth of **+11.7%** (currently approximately 80 employees).
  - Active job postings have increased **+87.5% year-over-year**.
  - Expanded into the United Kingdom.
  - Secured by a private equity backer, providing capital for further expansion.

## Competitive Advantages
- **Deep Government & Defense Ties**: A large portion of their workforce comes from elite government and military backgrounds (NSA, US Air Force, US Army, US Marine Corps).
- **Mission-Focused Approach**: They position themselves as a “non-traditional defense contractor” that combines innovation with deep expertise rather than bureaucratic processes.
- **Proven Track Record of Acquisitions**: The acquisition of Fourcast Management and Analysis shows their ability to integrate new capabilities and grow through M&A.
- **Full-Spectrum Cyber Operations**: They cover the entire range from offensive cyber (CNO, CNE, Red Teaming) to defensive and intelligence operations.

## Strategic Focus
- **Post-Acquisition Growth**: Under Washington Harbour Partners, the company is aggressively hiring (87.5% more job postings year-over-year) and expanding its market reach.
- **Space & Emerging Domains**: Actively hiring for roles like "Senior Intelligence & Cyber Analyst – Space Systems," indicating a push into securing space-based infrastructure.
- **Purposeful AI Integration**: Focused on integrating AI and data science not for its own sake, but to solve specific operational challenges in threat detection and automation.
- **Industry Diversification**: While rooted in defense, they are growing their commercial offerings in energy, utilities, and telecommunications.

## Why Work Here
- **Meaningful Mission**: Employees work on “missions that matter” involving national security and critical infrastructure protection against real-world adversaries.
- **Comprehensive Benefits**: 
  - **Health**: 100% paid health, dental, and vision premiums for employees and family. HRA funds up to $3,000. Coverage starts on day one.
  - **Financial**: 4% direct employer 401(k) contribution regardless of employee participation. Short/long-term disability and basic life/AD&D insurance (3x salary up to $300k).
  - **Time Off**: Flexible time off and paid holidays. Flex time allows for work-life balance across pay periods.
  - **Leave**: Parental leave, jury duty, military leave, and voting leave.
- **Professional Development**: Support for training, certifications, and conferences (DEF CON, IITSEC, etc.).
- **Culture**: Described as valuing innovation, integrity, and purpose. High percentage of technical staff (38%).
- **Work Model**: Mix of on-site (Fort Meade, Annapolis, Reston, Sterling, Huntsville, Columbia), hybrid (DMV Area), and some remote roles.
- **Compensation**: Competitive salaries; example ranges from LinkedIn data: Software Engineer ~$121,945/year, Offensive Cyber Operator ~$92,363/year.

## Sources
1. [sixgen.io](https://www.sixgen.io/)
2. [Greenhouse Jobs at SixGen, Inc.](http://job-boards.greenhouse.io/sixgeninc)
3. [SIXGEN Careers Page](https://www.sixgen.io/careers)
4. [LinkedIn Company Page - SIXGEN](https://www.linkedin.com/company/sixgenio)
5. [Tracxn Company Profile - SIXGEN](https://tracxn.com/d/companies/sixgen/__A6y0Vd77YhuDDhLrOmjxwRZ5q2qK4dqrOLR876uKVQk)

## Other roles at SixGen, Inc.

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- [Senior Engineer, Cyber AI R&D (TS/SCI)](https://feeny.ai/job/senior-engineer-cyber-ai-r-d-ts-sci-sixgen-inc-q5zz0j7z0nsq)
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- [Senior Red Team Operator](https://feeny.ai/job/senior-red-team-operator-sixgen-inc-huntsville-s3wj9y7z7gk4) — & Huntsville, AL
- [Portfolio Director](https://feeny.ai/job/portfolio-director-sixgen-inc-1q38shrt1a5q)
- [On-Net Operator](https://feeny.ai/job/on-net-operator-sixgen-inc-reston-3s13rqa2mq93) — Reston, VA