Penetration Tester - Infrastructure & Red Team

Cybersecurity Jobs; Town of Texas (WI); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Flexible work environment

Paid education reimbursement

Volunteer day

Job summary

Packetlabs is hiring for an infrastructure penetration testing and red team role focused on hands‑on offensive security across hybrid and cloud environments.

Responsibilities include planning and executing engagements, leading adversary simulations, and producing thorough reports with actionable remediation guidance for enterprise networks and cloud platforms.

Qualifications

• Bachelor’s degree or equivalent practical experience.
• Minimum of 3 years in infrastructure penetration testing or red teaming.
• Experience across Windows, Linux, AD/Entra ID, and cloud platforms.

Responsibilities

• Plan and execute infrastructure penetration testing engagements across on‑premises, hybrid, cloud, and enterprise networks.
• Lead adversary simulation and red team engagements aligned to client objectives.
• Produce comprehensive technical reports with vulnerabilities, risk, and remediation guidance.

Skills

Infrastructure testing

Red team operations

Adversary simulation

Cloud security

Windows/Linux

Active Directory / Entra ID

Communication skills

Education

Bachelor's degree in Cybersecurity / CS / IT

Equivalent practical experience

Tools

Penetration testing tools

Security frameworks

Job description

Packetlabs is hiring for an infrastructure penetration testing and red team role focused on hands‑on offensive security across hybrid and cloud environments.

Responsibilities

• Plan and execute infrastructure penetration testing engagements across on‑premises, hybrid, cloud, wireless, and enterprise network environments
• Conduct internal and external network penetration testing to identify, validate, and exploit 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 for configuration weaknesses, privilege escalation paths, identity risks, and cloud security vulnerabilities across AWS, Microsoft Azure, and Google Cloud Platform
• 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 aligned to established methodologies and client objectives
• Execute offensive security operations across the attack lifecycle, including 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 run attack scenarios that demonstrate realistic business impact while maintaining client system integrity
• Produce comprehensive technical reports covering 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 maintain delivery quality, timelines, and client expectations
• Maintain expertise in offensive security methodologies, infrastructure security, cloud technologies, Active Directory security, and emerging attack techniques
• Contribute to the development and continuous improvement of 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 across the Offensive Security practice
• 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 in 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 with 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 for both technical and executive audiences

Technologies

• Active Directory
• Microsoft Entra ID (Azure AD)
• Windows
• Linux
• AWS
• Microsoft Azure
• Google Cloud Platform
• Kubernetes
• CI/CD pipelines

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
• Paid Birthday day off
• Paid U.S. public holidays
• Fully remote within Texas or Florida

Additional Details

• Location: Texas (onsite)
• Salary: USD 90,000 - 130,000 per year

Who You Are

• 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 with strong communication and rapid, on‑time responses
• Pride in delivering high‑quality work
• Deep investigation mindset with focus on proving impact
• Comfort working through obstacles and adapting in changing consulting environments
• Self‑motivated and dependable with a humble attitude

How Success Is Defined

• Successful delivery of infrastructure penetration testing and adversary simulation engagements within quality, budget, and timeline expectations
• Accuracy, completeness, and technical quality of client reports and deliverables
• Proven expertise across enterprise infrastructure, cloud security, Active Directory, and offensive security methodologies
• Positive client feedback regarding technical expertise, communication, and professionalism
• Contribution to technical research, methodology development, automation, and knowledge‑sharing initiatives
• Effective collaboration with Delivery Managers, Project Managers, and consulting team members
• Ongoing professional development through certifications, research, and technical skill advancement