Penetration Tester – Infrastructure, Red Team
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Job Description
Packetlabs penetration tester conducting infrastructure, cloud, and red team assessments. Identifying vulnerabilities, simulating adversaries, and delivering technical guidance to clients.
Responsibilities:
- 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 Active Directory, Microsoft Entra ID (Azure AD), Windows and Linux environments, virtualization platforms, cloud services, and supporting infrastructure
- Evaluate AWS, Microsoft Azure, and Google Cloud Platform environments for 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
- Participate in and lead adversary simulation, red team, and objective-based security engagements
- Execute offensive security operations across reconnaissance, initial access, persistence, privilege escalation, credential access, lateral movement, defense evasion, command and control, and objective execution
- Support purple team engagements by collaborating with defensive teams to validate detections, improve monitoring, and strengthen defensive controls
- Develop and execute attack scenarios demonstrating realistic business impact while maintaining client system integrity
- Prepare comprehensive technical reports communicating vulnerabilities, attack paths, business impact, risk ratings, and remediation recommendations
- Present assessment findings to technical teams, executive stakeholders, and client leadership
- Provide technical guidance on remediation strategies, security architecture, and defensive improvements
- Manage assigned engagements to achieve delivery quality, timelines, and client expectations
- Contribute to testing methodologies, internal tooling, technical documentation, and service offerings
- Participate in technical research, automation initiatives, internal training, and knowledge-sharing activities
- Collaborate with consulting teams to strengthen technical quality, consistency, and service delivery
- Perform other duties as assigned
Requirements:
- 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
- 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
- Customer-first mentality
- Ability to adapt to rapidly changing environments
- Commitment to continuous learning and professional development
- Self-motivated and dependable
- Humility and willingness to improve
Benefits:
- Competitive compensation and growth opportunity
- Paid education and professional development reimbursement to support continued learning, certifications and technical growth
- Flexible work environment that empowers employees to do their best work
- Paid volunteer day each year to give back to your community
- Paid Birthday day off
- Paid U.S. public holidays
- Fully remote within Texas or Florida
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