Penetration Tester - Infrastructure & Red Team (Texas/Florida)

Packetlabs Ltd.; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Packetlabs Ltd. is seeking an Ethical Hacker specializing in Infrastructure & Red Team to plan, execute, and report on comprehensive security assessments across on-premises, hybrid, and cloud environments.

The role involves identifying exploitable vulnerabilities through hands-on testing and delivering clear, actionable reports for clients. You will contribute to red team operations, purple team exercises, and advanced testing engagements, while helping to continuously improve Packetlabs'

Qualifications

• Bachelor's degree or equivalent practical experience in cybersecurity or related field.
• Minimum 3 years of infrastructure penetration testing, red teaming, or adversary simulation.
• Experience with Windows, Linux, Active Directory, Entra ID (Azure AD) and cloud platforms.
• Experience performing internal and external network pentesting, privilege escalation, AD security assessments, and lateral movement testing.
• Experience with AWS, Azure, or Google Cloud platforms.
• Strong understanding of enterprise networking, identity management, and cloud security.
• Familiarity with offensive security frameworks, tools, and tradecraft.
• Excellent writing, presentation, and communication skills for technical and executive audiences.

Responsibilities

• Plan, execute, and report on infrastructure penetration testing engagements across on-premises, hybrid, and cloud environments.
• Perform red team and adversary simulation engagements to identify and demonstrate exploitable weaknesses.
• Evaluate AD and cloud identities, authentication, and network configurations for risk and remediation guidance.
• Communicate findings through detailed reports and presentations to technical and executive stakeholders.

Skills

Infrastructure pentesting

Red team

Adversary simulation

Cloud security

Active Directory security

Windows & Linux

Entra ID / Azure AD

Networking basics

Penetration testing tools

Technical writing

Communication with executives

Education

Bachelor's degree in Cybersecurity/CS/IT or equivalent

Tools

Industry-standard offensive security tools

Job description

Packetlabs was built by an ethical hacker after seeing vulnerability assessments presented as penetration tests. Our slogan "Identify Risks Before They Become Headlines" drives at the importance of not providing our clients with a false sense of security. We are a passionate team of highly trained, proactive ethical hackers. We provide expert-level penetration testing services that are thorough and tailored to help foster a safe digital space where everyone has the right to privacy and security. Packetlabs consultants find weaknesses others overlook and continuously learn new ways to evade controls. We hold ourselves to a very high standard. To do so, weonlyhire individuals with the same drive and passion.

Role Overview

The Ethical Hacker - Infrastructure & Red Team is responsible for planning, executing, and reporting on infrastructure penetration testing, cloud security assessments, Active Directory security assessments, and adversary simulation engagements. The role evaluates the effectiveness of client security controls by identifying, validating, and demonstrating exploitable security vulnerabilities across enterprise infrastructure using industry-recognized offensive security methodologies. Working independently and collaboratively with other security consultants, the Ethical Hacker performs offensive security assessments across on-premises, hybrid, and cloud environments while contributing to red team operations, purple team exercises, and advanced security testing engagements. The role provides technical guidance to clients through detailed reporting and presentations while contributing to the continuous improvement of Packetlabs' offensive security methodologies, tooling, and service offerings.

Qualifications

• Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or a related discipline; equivalent practical experience will be considered.
• Minimum of 3 years of professional experience performing infrastructure penetration testing, red teaming, adversary simulation, or offensive security consulting.
• Demonstrated experience conducting penetration testing across enterprise infrastructure, including Windows, Linux, Active Directory, Microsoft Entra ID, cloud platforms, and enterprise networking.
• Experience performing internal and external network penetration testing, privilege escalation, Active Directory security assessments, and lateral movement testing.
• Experience assessing cloud environments, including AWS, Microsoft Azure, or Google Cloud Platform.
• Strong understanding of enterprise networking, authentication technologies, identity management, cloud security, and offensive security methodologies.
• Experience using industry-standard offensive security frameworks, tools, and tradecraft.
• Excellent technical writing, presentation, and communication skills, with the ability to communicate findings to both technical and executive stakeholders.

Certifications

• Industry certifications such as OSCP, OSEP, CRTO, CRTE, CARTP, CARTA, CREST CRT, CREST CCT, PNPT, GPEN, GXPN, or equivalent are considered an asset.
• OSCP or equivalent demonstrated technical capability is strongly preferred.
• Experience participating in Red Team, Purple Team, adversary simulation, or threat emulation engagements is considered an asset.

Soft Skills & Values

• Customer-first mentality.
• You are a great communicator with clients, project managers, and teammates.
• Rapid responses and on time.
• You deliver work that you take pride in.
• Your work is an autograph of your excellence.
• You dig deeper into every finding.
• Doesn't stop until impact is proven.
• You are comfortable being uncomfortable.
• Goes towards obstacles, not away from them.
• Consulting isn't your typical job and requires adapting to rapidly changing environments.
• You are always learning. Cybersecurity is changing every day, and you need to keep up or want to keep up.
• Be deeply aware of your skillset and be willing to improve.
• You are self-motivated and dependable.
• You are humble. Egos don't have a place at Packetlabs.

What you'll be doing

Infrastructure Security Assessmen ts Plan and execute infrastructure penetration testing engagements across on-premises, hybrid, cloud, wireless, and enterprise network environments. Perform internal and external network penetration testing to identify, validate, and exploit security vulnerabilities using manual testing methodologies and industry-standard offensive security tools. Assess enterprise technologies including Active Directory, Microsoft Entra ID (Azure AD), Windows and Linux environments, virtualization platforms, cloud services, and supporting infrastructure. Evaluate cloud environments including AWS, Microsoft Azure, and Google Cloud Platform to identify configuration weaknesses, privilege escalation opportunities, identity risks, and cloud security vulnerabilities. Assess containerized environments, Kubernetes platforms, CI/CD pipelines, and cloud-native technologies where applicable. Red Team & Adversary Simulation Participate in and lead adversar