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.NET Cybersecurity Jobs

2 jobs found

6d ago

Red Team Penetration Tester III

DirectViz Solutions, LLC Virginia Beach, VA

Virginia Beach, VA

6d ago

Full time .NET Active Directory Cybersecurity Tools

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Job Description

DirectViz Solutions, LLC seeks a seasoned Red Team Penetration Tester III to lead high-fidelity offensive assessments across diverse environments. This onsite role in Virginia Beach centers on executing sophisticated penetration tests, simulating real-world cyber threats, and surfacing security weaknesses to strengthen defenses. The position requires an active TS/SCI clearance to access sensitive engagement contexts.

Responsibilities

Plan, execute, and document advanced red team engagements and penetration tests.
Emulate advanced persistent threat behaviours to evaluate enterprise defenses.
Develop and utilize tools such as Metasploit, NMAP, Kali Linux, and Cobalt Strike.
Perform exploit development and scripting to mirror threat actor capabilities.
Identify gaps in existing security tools, processes, and defensive technologies.
Work with Linux, Windows, and macOS operating systems.
Utilize Active Directory to simulate lateral movement and privilege escalation scenarios.
Apply programming or scripting in at least two languages (e.g., Python, C++, Java, Rust, Assembly, C#).
Collaborate with Blue Teams and SOC personnel to provide findings and remediation recommendations.

Requirements

Bachelor’s Degree in Information Systems, Information Technology, Computer Science, or Computer Engineering.
Minimum of seven (7) years of full-time professional experience in penetration testing or offensive cyber operations.
Experience with penetration testing tools and red team frameworks.
Exploit development and threat simulation capabilities.
Proficiency with multiple operating systems and Active Directory environments.
Programming and scripting experience for custom tool development.
Strong analytical, problem-solving, and communication skills.
Active Secret Clearance or Higher.

Technologies

Metasploit
NMAP
Kali Linux
Cobalt Strike
Linux, Windows, macOS
Active Directory
Python
C++, Java
Rust, Assembly, C#
MITRE ATT&CK framework

Benefits

Competitive compensation
Comprehensive medical benefits
401(k) match
Generous PTO accrual
Professional development reimbursement
Corporate-funded technology certifications
Robust employee recognition and appreciation programs

Preferred Skills

Prior experience in government or defense-related red teaming environments.
Familiarity with the MITRE ATT&CK framework.
Experience conducting covert operations or purple team exercises.

Physical and Mental Qualifications

Maintain focus and awareness throughout scheduled working hours.
Perform tasks requiring prolonged periods of sitting or standing at a desk, using a computer, mouse, and keyboard.
Lift and move objects weighing up to 15 pounds as needed.
Exhibit excellent verbal and written communication skills in English.
Demonstrate the ability to work independently while collaborating effectively as part of a team.
Quickly learn and retain routine tasks and processes.
Remain organized with attention to detail, business correspondence proficiency, and self-management capabilities.
Perform essential functions with reasonable accommodations available upon request.
Accept and adapt to additional responsibilities or changes to assigned duties as determined by DirectViz Solutions (DVS).

Clearance

Active Secret Clearance or Higher

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1mo ago

Senior .NET Developers

CyberBalance, LLC Remote 🌍 Remote

Remote

1mo ago Closed

Full time .NET .NET Core Angular

This position is no longer accepting applications (closed Jul 14, 2026).

Job Description

The Senior .NET Developer at CyberBalance, LLC focuses on modernizing cybersecurity systems, performing hands-on full-stack development, and contributing to architecture design. This role is remote with potential onsite work in Arlington, VA, and operates within an Agile environment.

Responsibilities

Assess the current system used across a broad user base to research, report findings, and implement a modernization framework utilizing the latest .NET and front-end technologies.
Leverage prior experience to drive modernization from the ground up, selecting strategic directions based on lessons learned and best practices.
Engage in hands-on full-stack development while contributing to architectural design and strategic direction.

Requirements

Current Top Security Clearance (Ability to hold and obtain an Interim will be considered).
Minimum 3 years of software development experience.
10+ years of software development experience.
7+ years of .NET experience, including ASP.NET, MVC, WebForms, and C# or VB.NET.
3+ years of .NET Core experience, including ASP.NET, Web API, Entity Framework, and DI.
5+ years of JavaScript frameworks such as Angular, React, or Blazor.
10+ years of object-oriented development.
10+ years of HTML and JavaScript.
10+ years of SQL querying, including complex joins, stored procedures, and transactions.
10+ years of JSON and XML experience.
5+ years working in an Agile environment.
Bachelor’s degree in Computer Science, related discipline, or equivalent experience.
Ability to work well within a team environment; high energy and self-motivated with the ability to work independently.
Sense of humor.

Technologies

.NET
ASP.NET
MVC
WebForms
C#
VB.NET
.NET Core
Web API
Entity Framework
Dependency Injection (DI)
JavaScript
Angular
React
Blazor
HTML
SQL
JSON
XML
Kendo
Telerik
Materials
Bootstrap
Crystal Reports
Azure SQL
Azure
Azure PaaS

Benefits

401K safe harbor plan with employer match
Ten paid holidays
15 days of personal time off
Health insurance
Commuter benefits
Tuition benefits

NICE TO HAVE

FISMA, SCAP, NIST knowledge
UI library experience such as Kendo, Telerik, Materials, Bootstrap
Reporting experience such as Crystal Reports
Azure SQL and administration experience
Azure PaaS architecture and development experience

Job Type

Full-time

Schedule

8 hour shift
Monday to Friday

Experience

.NET: 7 years (Required)

Security Clearance

Top Secret (Preferred)
Current Top Security Clearance; Interim capability considered

Work Location

Remote

Education

Bachelor’s degree in Computer Science, related discipline, or equivalent experience

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