Castellum Inc
JOB SUMMARY
We are seeking a highly skilled Red Team / Offensive Security Engineer to support the 068 2d Battalion Red Team Detachment (RTD) within a Cyber Effects Team (CET) environment. This role supports advanced offensive cyber operations and adversary emulation activities for a government client. The ideal candidate brings strong hands‑on penetration testing experience, deep technical expertise, and meets all required clearance and certification requirements. Client acceptance is required for this position.
RESPONSIBILITIES
Conduct red team operations and offensive cyber assessments in support of mission objectives
Emulate real‑world adversaries using advanced tactics, techniques, and procedures (TTPs)
Identify, exploit, and document vulnerabilities across enterprise Linux and Windows environments
Execute penetration testing activities using industry‑standard tools and frameworks
Develop clear, actionable reports detailing findings, risk levels, and remediation guidance
Collaborate with government stakeholders and internal teams to enhance cybersecurity posture
Support operations in classified and mission‑critical environments
QUALIFICATIONS Minimum Qualifications include:
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 information technology experience, or High School Diploma with 7+ years of information technology experience
Demonstrated experience implementing red team assessment methods, tools, and techniques
Preferred Qualifications:
Completion of a recognized offensive security or red team training program, such as:
Red Team Apprentice
Offensive Methodology Analysis
Red Team Operations
Similar penetration testing or cyberspace operations course
Python certification or strong Python scripting experience
Hands‑on experience with Cobalt Strike, Metasploit, and Kali Linux
Corvus Consulting, LLC. provides equal employment opportunity (EEO) to all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability status, genetic information, marital status, ancestry, protected veteran status, or any other characteristic protected by applicable federal, state, and local laws and offers equal opportunity for VEVRAA Protected Veterans. Corvus Consulting, LLC, will not discriminate against employees and job applicants who inquire about, discuss, or disclose compensation information.
Reasonable accommodations that do not cause an undue hardship on the company may be made to enable individuals with disabilities to perform essential functions, as long as that would not hinder or prevent performance of duties or be of a safety concern.
PHYSICAL DEMANDS The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of the job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
While performing the duties of this job, the employee is required to reach with hands and arms. The employee is frequently required to sit, stand and walk. The employee may be required to move ten pounds and could occasionally lift or move up to twenty‑five pounds.
Disclaimer: The listed duties are not intended to serve as a comprehensive list of all duties performed by all employees in this classification, only a representative summary of primary duties and responsibilities.
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RESPONSIBILITIES
Conduct red team operations and offensive cyber assessments in support of mission objectives
Emulate real‑world adversaries using advanced tactics, techniques, and procedures (TTPs)
Identify, exploit, and document vulnerabilities across enterprise Linux and Windows environments
Execute penetration testing activities using industry‑standard tools and frameworks
Develop clear, actionable reports detailing findings, risk levels, and remediation guidance
Collaborate with government stakeholders and internal teams to enhance cybersecurity posture
Support operations in classified and mission‑critical environments
QUALIFICATIONS Minimum Qualifications include:
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 information technology experience, or High School Diploma with 7+ years of information technology experience
Demonstrated experience implementing red team assessment methods, tools, and techniques
Preferred Qualifications:
Completion of a recognized offensive security or red team training program, such as:
Red Team Apprentice
Offensive Methodology Analysis
Red Team Operations
Similar penetration testing or cyberspace operations course
Python certification or strong Python scripting experience
Hands‑on experience with Cobalt Strike, Metasploit, and Kali Linux
Corvus Consulting, LLC. provides equal employment opportunity (EEO) to all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability status, genetic information, marital status, ancestry, protected veteran status, or any other characteristic protected by applicable federal, state, and local laws and offers equal opportunity for VEVRAA Protected Veterans. Corvus Consulting, LLC, will not discriminate against employees and job applicants who inquire about, discuss, or disclose compensation information.
Reasonable accommodations that do not cause an undue hardship on the company may be made to enable individuals with disabilities to perform essential functions, as long as that would not hinder or prevent performance of duties or be of a safety concern.
PHYSICAL DEMANDS The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of the job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
While performing the duties of this job, the employee is required to reach with hands and arms. The employee is frequently required to sit, stand and walk. The employee may be required to move ten pounds and could occasionally lift or move up to twenty‑five pounds.
Disclaimer: The listed duties are not intended to serve as a comprehensive list of all duties performed by all employees in this classification, only a representative summary of primary duties and responsibilities.
#J-18808-Ljbffr