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Cyber Capabilities Developer

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: Jobtailor
Full Time position
Listed on 2026-09-04
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security, Systems Engineer
Salary/Wage Range or Industry Benchmark: 120000 - 180000 USD Yearly USD 120000.00 180000.00 YEAR
Job Description & How to Apply Below
  • Support Rapid Application Development for offensive and defensive cybersecurity tools
  • Rapidly develop and prototype tools for Windows and Linux endpoints
  • Perform software engineering using C, C++, .NET, Python, and other industry-standard languages
  • Identify vulnerabilities in network, host, and web application endpoints through open-source research and manual analysis
  • Use open-source penetration testing tools
  • Analyze endpoint persistence mechanisms and support user- and kernel-level activities
  • Develop and analyze network topologies and secured networks
  • Configure and manage complex network environments
  • Administer covert and virtualized systems
  • Create, manage, and deploy virtual environments using VMware, Proxmox, KVM/qemu, and similar tools
  • Support VPN, proxy, and tunnel management and configuration
  • Apply knowledge of AWS, Azure, GCP, and similar cloud environments
  • Leverage red team and blue team operational expertise to advance mission objectives
  • Think independently and take initiative on new tasks
Requirements
  • Active TS or higher security clearance required
  • Active Top Secret security clearance required
  • Willingness and ability to obtain a CI polygraph
  • Junior level: BS/BA with 2+ years of relevant experience, or 6 years of relevant experience with no degree
  • Mid level: BS/BA with 6+ years of relevant experience, or 10 years of relevant experience with no degree
  • Senior level: BS/BA with 10+ years of relevant experience, or 14 years of relevant experience with no degree
  • Advanced certifications, specialized training, or equivalent hands-on experience may be considered in lieu of years of experience
  • Ability to identify vulnerabilities in network, host, and web application endpoints
  • Ability to rapidly develop and prototype tools for Windows and Linux endpoints
  • Expertise in endpoint persistence mechanisms
  • Ability to create, manage, and deploy virtual environments using VMware, Proxmox, KVM/qemu, or similar tools
  • Strong understanding of networking, network topologies, and internet routing
  • Experience with VPN, proxy, and tunnel management and configuration
  • Software engineering experience with C, C++, .NET, and Python
  • Knowledge of AWS, Azure, GCP, and similar cloud platforms
  • Ability to think independently and take initiative
Core Competencies

Demonstrates expertise in software engineering with C, C++, .NET, and Python, alongside proficiency in developing and managing virtual environments using VMware, Proxmox, and KVM/qemu. Possesses strong capabilities in identifying vulnerabilities across network, host, and web application endpoints while leveraging cloud platforms like AWS, Azure, and GCP.

Highest-signal resume keywords
  • Active TS Security Clearance
  • Software Engineering with C, C++, .NET, Python
  • Virtual Environment Management with VMware, Proxmox, KVM/qemu
  • Vulnerability Identification in Network and Web Applications
  • Cloud Platform Knowledge (AWS, Azure, GCP)
Hard Skills
  • C Programming
  • C++ Programming
  • Python Programming
  • .NET Framework
  • Vulnerability Analysis
  • Network Topology Development
  • Endpoint Persistence Mechanisms
  • Open-Source Penetration Testing
  • Rapid Application Development
  • Virtualization Technologies
Soft Skills
  • Independent Thinking
  • Initiative Taking
Certifications & Qualifications
  • Active Top Secret Security Clearance
  • CI Polygraph (Willingness to Obtain)
Industry Keywords
  • Cybersecurity
  • Offensive Security
  • Defensive Security
  • Network Security
  • Endpoint Security
Tools & Technologies
  • VMware
  • Proxmox
  • KVM/qemu
  • VPN Management
  • Proxy Configuration
  • Tunnel Management
  • Cloud Environments (AWS, Azure, GCP)
  • Open-Source Tools
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