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Job Details

Offensive Cybersecurity Tool Developer

  2025-09-17     SimVentions     Portsmouth,VA  
Description:

Overview: SimVentions is seeking an experienced professional to join our dynamic team! As an Offensive Cybersecurity Tool Developer, you will play a crucial role in designing, developing, and deploying advanced security tools to support Red Team and penetration testing engagements. Collaborating with Blue Team and Cybersecurity experts, your work will significantly enhance overall cyber posture.

**This position is contingent upon the award of a contract, anticipated in December of 2025.**

Clearance: An ACTIVE Top Secret/SCI eligible clearance (IT Level I Tier 5 / Special-Sensitive Position) is required. Selected applicants will undergo a security investigation and may need to meet eligibility requirements for classified information access. US Citizenship is required for clearance eligibility.

Requirements:

  • In-depth understanding of computer security, military system specifications, and DoD cybersecurity policies.
  • Strong ability to communicate effectively in both written and oral formats.
  • Must possess one or more of the following DoD 8570.01-M CSSP Infrastructure Support certifications: CEH, CySA+, GICSP, SSCP, CHFI, CFR, Cloud+, CND.
  • Must have Offensive Security Certified Professional (OSCP) certification.
  • Must hold one or more of the following: GIAC Exploit Researcher and Advanced Penetration Tester (GXPN), Offensive Security Exploit Developer (OSED).

Responsibilities:

  • Develop, modify, and leverage offensive security tools such as Metasploit, NMAP, Kali Linux, and Cobalt Strike.
  • Mimic threat actor behavior using tactics, techniques, and procedures aligned with frameworks like MITRE ATT&CK.
  • Conduct assessments across various operating systems, including Linux, Windows, and macOS.
  • Perform exploit development and analyze zero-day or previously unknown vulnerabilities.
  • Identify and address gaps in existing offensive tools and development techniques.
  • Utilize at least two scripting or programming languages (Python, C++, Java, Rust, Assembly, C#, etc.) for exploit development.

Preferred Skills and Experience:

  • A minimum of five (5) years of experience in Red Team or Penetration Test engagements with a focus on exploit and tool development.
  • Five (5) years of experience developing in at least 3 scripting or programming languages.
  • Five (5) years of experience identifying gaps in tools and techniques.

Education: Bachelor of Science in Computer Science or Computer Engineering. National Security Agency Computer Network Operations Development Program (CNODP) Graduate is desirable.

Compensation: At SimVentions, compensation is based on various factors, including experience, education, training, security clearance, skills, and alignment with our corporate plan. The projected annual compensation range for this role is $80,000-$140,000 (USD), reflecting industry standards and encompassing the total compensation package.

Benefits: SimVentions is devoted to supporting the well-being of our employees and their families, offering comprehensive health and welfare plans, including:

  • Medical, dental, vision, and prescription coverage.
  • Employee Stock Ownership Plan (ESOP).
  • Competitive 401(k) plans.
  • Retirement and Financial Counseling.
  • Health Savings and Reimbursement Accounts.
  • Flexible Spending Accounts.
  • Life insurance and disability coverage.
  • Continuing Education Assistance.
  • Generous Paid Time Off and Leave options.
  • Employee Assistance Program offering counseling services.
  • Supplemental Benefit Programs.

Why Work for SimVentions?

SimVentions is more than just a workplace; it's a community of growth-oriented technical experts focused on making a difference. We pride ourselves on:

  • Supporting Our Warfighters: Providing innovative solutions to our armed forces worldwide.
  • Driving Customer Success: Delivering exceptional products and services that exceed expectations.
  • Giving Back: Engaging in diverse community service opportunities.
  • Building Innovative Technology: Making a direct impact on customer success with cutting-edge technology.
  • Collaborating with Brilliant Minds: Working with passionate individuals in a creative environment.
  • Creating Meaningful Solutions: Partnering with customers to address complex challenges.

Join SimVentions and enjoy additional perks such as:

  • Employee Ownership: Contributing to your company's success.
  • Family Focus: Balancing professional and family time.
  • Culture of Collaboration: Enhancing a culture of technical excellence.
  • Dress Code: Comfortable business casual attire.
  • Resources: Access to excellent facilities, tools, and training opportunities.
  • Open Communication: A workplace where your voice is valued.
  • Corporate Fellowship: Opportunities for personal and professional growth.
  • Appreciation Events: Participating in seasonal corporate events.
  • Fanatic Support: Enjoying FredNats Baseball games from our private suite.
  • Food: Enjoying a variety of food perks.


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