Senior Penetration Tester
George ConsultingNorth Charleston, SC, usjob_description.job_card.variable_days_ago
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job_description.job_card.job_descriptionActive DoD Secret clearance (TS / SCI preferred). Bachelor’s degree in Cybersecurity, Computer Science, or related field (or equivalent experience). 5+ years of penetration testing or offensive security experience, including leading engagements. Current DoD 8570.01-M IAT Level III or CSSP Analyst / Tester certification (e.g., CASP+, CISSP, CEH, OSCP, GPEN, GXPN). Advanced proficiency with tools such as Kali Linux, Metasploit, Burp Suite, BloodHound, Cobalt Strike, Nmap, and Nessus. Strong knowledge of Windows / Linux systems, Active Directory, network protocols, and cloud / virtualized environments. Experience with DISA STIGs, HBSS / ACAS, and DoD cyber ranges. Familiarity with Zero Trust architectures and DoD cybersecurity reference models. Scripting or development skills in Python, PowerShell, or Bash. Experience with exploit development, reverse engineering, or ICS / SCADA testing. Prior support to major DoD program offices (e.g., NIWC, NAVAIR, PMA). Experience mentoring or managing technical teams. Excellent written and verbal communication skills, including briefing senior leadership. Manage, deploy, and support applications on Red Hat Enterprise Linux (RHEL) Work with users to customize applications and configure software development, integration, and production environments to specification Work with HPC vendors to identify hardware and software solutions to meet system requirements Monitor internally developed applications for impact to system performance and resource utilization Tune applications to optimize performance and reliability of services across the High-Performance Computing (HPC) ecosystem Diagnose application problems quickly and effectively Automate administration procedures for routine and complex tasks Provide backup HPC system administration support Coordinate with vendors to resolve software problems Work with team to define and implement best practices Able to work independently with limited direction and be self-motivated. Able to work with other contractor teammates and customers daily. Able to work closely with customers to ensure deliverables meet their expectations and arrive in a timely manner. Attend and actively participate in team meetings. THIS POSITION REQUIRES THE ABILITY TO OBTAIN AN ACTIVE DEPARTMENT OF DEFENSE SECRET SECURITY CLEARANCE. Required Qualifications : Bachelor’s Degree in computer science or closely related field and a minimum of 2 years of experience in Linux / UNIX Systems Administration. Experience supporting internally developed applications in C, C++, Java, and Python An equivalent combination of education and experience will be considered. Ability to identify requirements and to define, plan, and implement requisite solutions Ability to plan, organize, prioritize tasks, and complete assigned projects with minimal supervision This position requires an active Top Secret / SCI clearance. Certifications : Security+, RHCSA or RHCE Preferred Qualifications : Excellent interpersonal / communication skills, and the ability to work as part of a team 5 years of experience supporting HPC applications and development environments on RHEL Experience troubleshooting application execution through resource managers such as PBS Pro and Slurm Experience with utilities such as Git, Bitbucket, Confluence An understanding of code review, compilers, and debugging tools including Intel Parallel Studio, GCC, GDB, TotalView Experience supporting applications based on CUDA, OpenCL, OpenMPI, OpenMP, IntelMPI Experience using tools such as Nagios, Zabbix, and SNMP to monitor systems, metrics, and create dashboards Ability to develop and maintain programs and scripts that aid in the operation and automation of administrative tasks and workflows using Bash and Python
Job Description
Job Description :
George Consulting is seeking a Senior Penetration Tester that will lead advanced offensive security assessments in support of Department of Defense (DoD) cybersecurity missions. The role involves planning and executing penetration tests, identifying and exploiting complex vulnerabilities, providing strategic recommendations, and supporting RMF authorization activities. The ideal candidate is a technical leader with extensive hands-on testing experience and a strong understanding of DoD cybersecurity frameworks, tools, and compliance requirements.
Roles and Responsibilities :
- Lead and execute penetration testing engagements on DoD networks, systems, applications, and cloud environments.
- Identify, exploit, and validate vulnerabilities using manual and automated techniques.
- Develop and present proof-of-concept exploits demonstrating operational and mission impact.
- Produce detailed technical reports and executive briefings outlining findings and remediation recommendations.
- Support RMF and eMASS documentation, providing risk analysis and testing evidence.
- Advise system owners and cybersecurity teams on remediation strategies and defensive improvements.
- Mentor junior testers and contribute to red team methodology development.
- Stay current on adversary TTPs, emerging threats, and DoD cybersecurity standards.
- Able to work independently with limited direction and be self-motivated.
- Able to work with other contractor teammates and customers daily.
- Able to work closely with customers to ensure deliverables meet their expectations and arrive in a timely manner.
- Attend and actively participate in team meetings.
THIS POSITION REQUIRES AN ACTIVE DEPARTMENT OF DEFENSE TOP SECRET OR SECRET SECURITY CLEARANCE.
Required Skills & Experience :
Requirements
Job Description : George Consulting is seeking a HPC Application Support Engineer to support a classified project in Alexandria, VA. Roles and Responsibilities : The HPC Application Support Engineer will be responsible for the following :
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Penetration Tester • North Charleston, SC, us
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