Pfizer

Sr. Associate, Offensive Security

Pfizer$79K — $132K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Information Security, Computer Science, Engineering, or related field plus 2 years of cybersecurity experience; or Master's degree with less than 1 year; or Associate's degree with 6 years; or High school diploma with 8 years of relevant experience.
  • Experience conducting penetration tests and security assessments.
  • Strong grasp of attack techniques and enterprise security frameworks.
  • Ability to document findings and articulate risks to technical teams.
  • Proficiency in at least one scripting/programming language for security tasks (e.g., Python, PowerShell).
  • Collaboration skills suitable for a process-driven, regulated environment.

Responsibilities

  • Conduct offensive security tests, including penetration testing and adversary simulations.
  • Support red and purple team engagements with test plans and evidence collection.
  • Identify and document security weaknesses with thorough recommendations.
  • Translate offensive security findings into actionable items for relevant teams.
  • Implement threat-informed testing by mapping techniques to attacker behaviors.
  • Maintain high reporting quality that meets ethical and internal standards.
  • Contribute to the improvement of security tools and processes through automation and playbooks.

Benefits

  • 401(k) plan with matching contributions and retirement savings contributions.
  • Paid vacation, holidays, and personal days.
  • Paid caregiver/parental and medical leave.
  • Comprehensive health benefits including medical, prescription drug, dental, and vision coverage.
Full Job Description

ROLE SUMMARY

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.


BASIC QUALIFICATIONS

  • Applicant must have a Bachelor's degree in Information Security, Computer Science, Engineering, or a related field with at least 2 years of experience in cybersecurity with hands‑on focus in offensive security, penetration testing, vulnerability research, or security engineering; OR a master's degree with more than 0+ years of experience; OR an associate's degree with 6 years of experience; OR a high school diploma (or equivalent) with 8 years of relevant experience.

  • Practical experience executing penetration tests or security assessments, including reconnaissance, exploitation validation, and reporting.

  • Strong understanding of common attack techniques and enterprise security concepts across identity, endpoints, networks, and cloud services.

  • Ability to clearly document technical findings and communicate risk and remediation guidance to technical stakeholders.

  • Working knowledge of at least one scripting/programming language commonly used for security work (e.g., Python, PowerShell, Bash).

  • Strong collaboration skills and ability to operate in a process‑driven, highly regulated environment.

PREFERRED QUALIFICATIONS

  • Strong hands‑on knowledge of:

    • Red team and adversary emulation methodologies (MITRE ATT&CK–aligned)

    • Application, cloud, network, and identity penetration testing

    • Social engineering and phishing simulations (where appropriate)

    • Tooling and frameworks commonly used in offensive security

  • Experience in pharmaceutical, biotech, life sciences, or similarly regulated industries.

  • Demonstrated capability supporting offensive security testing in cloud or hybrid environments.

  • Exposure to partnering with detection engineering / SOC teams to improve detections based on offensive findings.

  • Experience working in regulated industries (e.g., healthcare, life sciences, pharmaceuticals) or environments with high compliance expectations.

  • Relevant certifications (e.g., CISSP, OSCP, CRTO, GPEN/GXPN), or similar offensive security credentials.

  • Demonstrated interest in improving repeatability through tooling, automation, and standardized playbooks.

  

PHYSICAL/MENTAL REQUIREMENTS

  • No special physical requirements.

  • Applicants should be capable of working through a personal laptop computer or mobile device for extended periods.

NON-STANDARD WORK SCHEDULE, TRAVEL OR ENVIRONMENT REQUIREMENTS

  • Travel as required by the business (less than 5% domestic and/or international)

  • Work Location Assignment: Must be able to work in assigned Pfizer office 2-3 days per week, or as needed by the business

  • This role is NOT remote

Other Job Details:

  • Last Date to Apply for Job: August 24th, 2026

  • Work Location Assignment: Hybrid. Must be able to work from assigned Pfizer office 2-3 days per week, or as needed by the business

The annual base salary for this position ranges from $79,400.00 to $132,400.00. In addition, this position is eligible for participation in Pfizer’s Global Performance Plan with a bonus target of 7.5% of the base salary. We offer comprehensive and generous benefits and programs to help our colleagues lead healthy lives and to support each of life’s moments. Benefits offered include a 401(k) plan with Pfizer Matching Contributions and an additional Pfizer Retirement Savings Contribution, paid vacation, holiday and personal days, paid caregiver/parental and medical leave, and health benefits to include medical, prescription drug, dental and vision coverage. Learn more at Pfizer Candidate Site – U.S. Benefits | (uscandidates.mypfizerbenefits.com). Pfizer compensation structures and benefit packages are aligned based on the location of hire. The United States salary range provided does not apply to Tampa, FL or any location outside of the United States. This role is posted in multiple locations. If you are applying for the role in an secondary job posting location where pay transparency regulations apply, your Talent Advisor will share the local pay information with you during the first interview.

Relocation assistance may be available based on business needs and/or eligibility.

Candidates must be authorized to be employed in the U.S. by any employer.

U.S. work visa sponsorship (such as TN, O-1, H-1B, etc.) is not available for this role now or in the future.

Information & Business Tech

About Pfizer

Hospira, Inc. is the provider of injectable drugs and infusion technologies. Through its broad, integrated portfolio, Hospira is uniquely positioned to Advance Wellness™ by improving patient and caregiver safety while reducing healthcare costs. The company is headquartered in Lake Forest, Ill., and has approximately 16,000 employees.

Pfizer Careers

Joining Pfizer’s global team offers more than just job opportunities; it’s a chance to be a part of a company that leads with science and innovates for better health. As a leading biopharmaceutical company, Pfizer is at the forefront of transforming lives through innovation, leadership, and diversity. Work You’ll Do At Pfizer, you will collaborate with some of the brightest minds in the industry, engaging in work that enhances global health and saves lives. Our culture thrives on intellectual curiosity, professional growth, and inclusivity, making every day a learning opportunity. Here, your skills will be honed, your professional acumen will be expanded, and you will be part of a team that values the power of diverse insights to drive success. Pfizer’s Leadership and Growth Lead and innovate with Pfizer, where we value the growth of each employee. Our leadership is committed to providing employees with the training and resources needed to excel in their careers. Pfizer offers a variety of career paths, including roles in research, marketing, finance, technology, and more, each offering a unique blend of challenges and rewards. Internship and Employment Opportunities Start your career with Pfizer through our internship programs or dive straight into a full-time position. We are hiring individuals who are passionate about healthcare and who seek to make a difference in the world. Our internships provide invaluable industry experience, networking opportunities, and a potential pathway to full-time employment. Benefits and Culture Pfizer is dedicated to fostering a workplace where all employees feel valued and can achieve their full potential. We offer competitive benefits packages that support the health, well-being, and financial security of our employees and their families. At Pfizer, you’ll find a culture that encourages collaboration, innovation, and continuous learning. Join Our Team Explore the numerous job opportunities at Pfizer by searching open positions that match your skills and interests. We look for driven, curious, and innovative team players who are ready to advance their careers in a transformative company. Stay Connected Keep up to date with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding career opportunities that await at Pfizer. Interview and Resume Tips Prepare for your future with Pfizer by utilizing our resources for resume building and interview preparation. We provide guidance on how to effectively showcase your skills and experiences to align with the needs of a position at Pfizer. Our goal is to help you succeed in securing a role that suits your professional goals and personal growth aspirations. Pfizer: A Place Where You Can Make a Difference Every position at Pfizer contributes to our mission of making the world a healthier place. Whether through direct patient care, research innovation, or corporate roles that support our operations, your work will have global impact. Join us in our journey to change lives—explore Pfizer careers today.
Learn more about Pfizer
Size
79,000 employees
Market Cap
$285.9 billion
Industry
Net Income
$9.6 billion
Founded
1849
5 Year Trend
+9%
Revenue
$41.9 billion
NASDAQ

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