Sr. Associate, Offensive Security - Collegeville, PA

Summary

Senior Associate, Offensive Security

Our Global Cyber Defense team is responsible for safeguarding Pfizer's digital assets and infrastructure through proactive threat detection, response, and risk mitigation across on-premises, cloud, and hybrid environments.

The Senior Associate, Offensive Security supports offensive security activities that proactively identify, validate, and help prioritize security weaknesses across the digital environment. This role contributes to penetration testing, adversary simulation, and purple team exercises that continuously assess the organization's exposure to real-world threats. Operating within a highly regulated pharmaceutical environment, the Senior Associate partners closely with detection, remediation, engineering, and risk teams to ensure findings are clearly documented, actionable, and translated into measurable security improvements. This role will report to the Sr. Manager, Offensive Security.

Role Responsibilities:

• Conduct offensive security testing activities including penetration tests and adversary simulation exercises across on-premises, cloud, and hybrid environments.
• Support red team and purple team engagements by executing test plans, collecting evidence, and helping evaluate defensive control effectiveness.
• Identify, validate, and document security weaknesses, including technical details, proof of concept evidence, and clear remediation recommendations.
• Assist with translating offensive findings into actionable improvement items for detection, engineering, and remediation teams.
• Contribute to threat-informed testing by mapping observed techniques to common attacker behaviors and helping highlight realistic attack paths.
• Maintain high quality reporting standards and ensure deliverables are accurate, complete, and aligned to ethical testing expectations and internal requirements.
• Support continuous improvement efforts for offensive security tooling, automation, repeatable test methods, and playbooks.
• Collaborate with cross-functional partners (e.g., detection, incident response, vulnerability management, infrastructure, cloud) to coordinate testing logistics and minimize business disruption.
• Escalate complex technical issues, high-risk findings, or unexpected conditions.

Job Description

Senior Associate, Offensive Security

Our Global Cyber Defense team is responsible for safeguarding Pfizer's digital assets and infrastructure through proactive threat detection, response, and risk mitigation across on-premises, cloud, and hybrid environments.

The Senior Associate, Offensive Security supports offensive security activities that proactively identify, validate, and help prioritize security weaknesses across the digital environment. This role contributes to penetration testing, adversary simulation, and purple team exercises that continuously assess the organization's exposure to real-world threats. Operating within a highly regulated pharmaceutical environment, the Senior Associate partners closely with detection, remediation, engineering, and risk teams to ensure findings are clearly documented, actionable, and translated into measurable security improvements. This role will report to the Sr. Manager, Offensive Security.

Role Responsibilities:

• Conduct offensive security testing activities including penetration tests and adversary simulation exercises across on-premises, cloud, and hybrid environments.
• Support red team and purple team engagements by executing test plans, collecting evidence, and helping evaluate defensive control effectiveness.
• Identify, validate, and document security weaknesses, including technical details, proof of concept evidence, and clear remediation recommendations.
• Assist with translating offensive findings into actionable improvement items for detection, engineering, and remediation teams.
• Contribute to threat-informed testing by mapping observed techniques to common attacker behaviors and helping highlight realistic attack paths.
• Maintain high quality reporting standards and ensure deliverables are accurate, complete, and aligned to ethical testing expectations and internal requirements.
• Support continuous improvement efforts for offensive security tooling, automation, repeatable test methods, and playbooks.
• Collaborate with cross-functional partners (e.g., detection, incident response, vulnerability management, infrastructure, cloud) to coordinate testing logistics and minimize business disruption.
• Escalate complex technical issues, high-risk findings, or unexpected conditions.