Cyber Software/Reverse Engineer (4 days WFH) Annapolis, Maryland Clearance

The Josef Group; Annapolis, Northern (MD, KY); Hybrid; USD 120,000 - 190,000; Full time

Job summary

The Josef Group in Annapolis, MD seeks a Senior Software Engineer specializing in low-level systems programming and malware analysis. You will bridge deep technical work with client engagement, spending ~25% of time with customers to capture needs and present robust technical solutions.

You will work with OS internals, TCP/IP networking, and systems languages to build secure, scalable infrastructure, while guiding junior engineers in an Agile environment.

Qualifications

• Extensive professional software engineering experience with Agile.
• Expert-level proficiency in Go, Rust, or C.
• Experience reverse engineering malware and threat analysis.
• Deep understanding of Windows or Linux operating system internals.
• Strong background in network programming with TCP/IP and HTTP.
• Excellent communication to translate technical concepts for customers.

Responsibilities

• Design and develop systems-level software using Go, Rust, or C.
• Conduct deep-dive reverse engineering of malware to identify vulnerabilities and mitigations.
• Interface with customers and PM for requirements gathering and presenting solutions.
• Architect and implement network programming solutions using TCP, HTTP, and core protocols.
• Work with Windows or Linux OS internals to optimize performance and integration.
• Lead and participate in Agile lifecycles and mentor junior engineers.
• Integrate AI and LLM technologies into workflows to automate analysis.

Skills

Agile methodologies

Communication

Tools

Go

Rust

C

TCP/IP

HTTP

Socket programming

Job description

• Annapolis, Maryland

Role Overview

We are seeking a highly skilled Senior Software Engineer to join our team, specializing in low-level systems programming and malicious software analysis. In this role, you will bridge the gap between deep technical execution and client engagement, spending approximately 25% of your time interacting directly with customers to understand their needs, present findings, and deliver robust technical solutions. You will leverage your expertise in operating system internals, network protocols, and systems-level languages to build secure, scalable infrastructure while actively reverse-engineering malware threats.

Key Responsibilities

• Design and develop robust systems-level software using Go, Rust, or C.
• Conduct deep-dive reverse engineering of malicious software to identify vulnerabilities, behavioral patterns, and mitigation strategies.
• Interface directly with customers and the Prime Program Manager for approximately 25% of your role to gather requirements, communicate technical challenges, and present software solutions.
• Architect and implement network programming solutions utilizing TCP, HTTP, and other core networking protocols.
• Work with Windows or Linux operating system internals to optimize performance and ensure deep system integration.
• Lead and participate in Agile software development lifecycles while mentoring junior engineers and helping shape technical direction.
• Integrate emerging AI and LLM technologies into existing workflows to automate analysis and enhance system capabilities.

Required Qualifications

• Extensive professional software engineering experience with a strong foundation in Agile methodologies.
• Expert-level proficiency in at least one of the following systems programming languages: Go, Rust, or C.
• Proven professional experience in reverse engineering malicious software and threat analysis.
• Deep understanding of Windows or Linux operating system internals.
• Strong background in network programming, including hands-on experience with the TCP/IP stack, HTTP, and socket-level development.
• Excellent communication skills with the ability to translate complex low-level technical concepts for customers and stakeholders.

Preferred Qualifications

• Active Agile certifications, such as Scrum Master or Product Owner.
• Hands-on experience building or integrating AI/LLM tools (e.g., LangChain, LangGraph, Semantic Kernel, vLLM, or Ollama).
• Applied knowledge of cryptographic protocols and encryption algorithms.
• Experience with infrastructure as code (IaC), containerization, or modern DevOps practices for deploying low-level systems.
• Military experience or experience supporting Cyber Command.