Offensive Security Engineer - Penetration Testing Job at Castellum Inc, Alexandria, VA

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  • Castellum Inc
  • Alexandria, VA

Job Description

Salary: $80,000 - 94,000 per year Requirements:

  • Active TS/SCI security clearance required
  • DoD 8570 IAT Level III certification, including one of the following: CASP+ CE, CCNP Security, CISA, CISSP, GCED, GCIH, CCSP
  • Linux Computing Environment (CE) Certification
  • Windows Computing Environment (CE) Certification
  • OSCP or GIAC Penetration Tester (GPEN) certification
  • Bachelor’s degree with 3+ years of IT experience, or High School Diploma with 7+ years of IT experience
  • Proven experience applying red team assessment techniques, tools, and methodologies
  • Completion of recognized offensive security or red team training programs preferred: Red Team Apprentice, Offensive Methodology Analysis, Red Team Operations, or similar courses
  • Proficiency in Python scripting or relevant Python certification
  • Practical experience with Cobalt Strike, Metasploit, and Kali Linux
Responsibilities:
  • Execute red team operations and offensive cyber assessments aligned with mission goals
  • Mimic actual adversaries using sophisticated tactics, techniques, and procedures (TTPs)
  • Discover, exploit, and document vulnerabilities in enterprise Linux and Windows systems
  • Carry out penetration testing activities leveraging industry-standard tools and frameworks
  • Create clear and actionable reports outlining findings, risk assessments, and remediation recommendations
  • Work collaboratively with government stakeholders and internal teams to bolster cybersecurity measures
  • Provide support in classified and mission-critical operations
Technologies:
  • Support
  • Linux
  • Python
  • Security
  • Windows

More:

We are Corvus Consulting, LLC., looking for a highly qualified Red Team / Offensive Security Engineer to join our Cyber Effects Team (CET) and support the 068 2d Battalion Red Team Detachment (RTD). In this role, you will engage in advanced offensive cyber operations and adversary emulation for a government client. We value diversity and provide equal employment opportunities regardless of race, color, religion, gender, or any other protected status. Our team offers a dynamic work environment emphasizing professional growth and teamwork, ensuring you can thrive and contribute effectively. We are committed to supporting our employees with reasonable accommodations as needed.

last updated 52 week of 2025

Job Tags

Full time, Apprenticeship,

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