Senior Zero Trust Architect / Engineer

Merck & Co.; Bridgewater (MA); On-site; USD 150,000 - 210,000; Full time

Job summary

Legend Biotech seeks a Senior Zero Trust Architect / Engineer for the Information Technology team based in Bridgewater, NJ or Somerset, NJ. You will design, implement, and govern Zero Trust security across users, devices, applications, networks, data, and cloud environments, driving modern security architectures.

The ideal candidate has deep expertise in identity security, network security, cloud security, endpoint protection, data protection, and security architecture, with hands-on ZIA/ZPA

Qualifications

• Deep expertise in identity security, network security, cloud security, endpoint protection, data protection, and security architecture.
• Hands-on experience with ZIA, ZPA, and Zero Trust architecture.

Responsibilities

• Develop and maintain the enterprise Zero Trust architecture roadmap aligned with business and cybersecurity objectives.
• Design and implement security architectures based on NIST Zero Trust Architecture (SP 800-207), CISA Zero Trust Maturity Model, and industry best practices.
• Lead enterprise-wide Zero Trust transformation initiatives across cloud, on-premises, and hybrid environments.
• Define security reference architectures, standards, policies, and design principles.
• Conduct architecture reviews and provide guidance for new technology deployments.
• Architect micro‑segmentation and software‑defined perimeter solutions.
• Design secure access controls for corporate networks, data centers, cloud environments, and third‑party connectivity.
• Implement Zero Trust Network Access (ZTNA) technologies.
• Reduce reliance on traditional VPN architectures.
• Lead network access policy modernization initiatives.
• Design and implement security architectures across Microsoft Azure and AWS.

Skills

Zero Trust Architecture

NIST SP 800-207

ZTNA

Cloud Security

Identity Security

Security Architecture

Incident Response/Threat Hunting

Executive Communication

Tools

Zscaler ZIA

Zscaler ZPA

Azure

AWS

Job description

Legend Biotech is a global biotechnology company dedicated to treating and, one day, curing life-threatening diseases. Headquartered in Bridgewater, New Jersey, we are advancing the next generation of cell therapy through a portfolio of innovative technologies, including autologous, allogeneic, and in vivo cell therapy approaches. Our research spans chimeric antigen receptor T‑cell (CAR‑T), T‑cell receptor (TCR‑T), natural killer (NK) cell‑based therapies, and other emerging platforms designed to transform the treatment of serious diseases. From our global network of research and development sites, we are committed to discovering and developing safe, effective, and cutting‑edge therapies for patients worldwide.

Legend Biotech entered into a global collaboration agreement with Johnson & Johnson to jointly develop and commercialize CARVYKTI® (ciltacabtagene autoleucel; cilta‑cel). Through this strategic partnership, we combine complementary expertise and capabilities to advance innovative immunotherapies for patients living with multiple myeloma.

Legend Biotech is seeking a Senior Zero Trust Architect / Engineer as part of the Information Technology team based in Bridgewater, NJ or Somerset, NJ.

Role Overview

The Senior Zero Trust Architect / Engineer is responsible for designing, implementing, and governing the organization's Zero Trust security strategy across users, devices, applications, networks, data, and cloud environments. This role serves as a senior technical leader, driving the adoption of modern security architectures that continuously verify trust, minimize attack surfaces, enforce least‑privilege access, and protect critical enterprise assets.

The candidate should possess deep expertise in identity security, network security, cloud security, endpoint protection, data protection, and security architecture. This position partners closely with Infrastructure, Cloud, Digital Workplace, Enterprise Applications, Compliance, and Cybersecurity teams to ensure security controls align with business objectives while supporting a modern, flexible workforce.

The ideal candidate will have hands‑on experience with Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), and Zero Trust architecture.

Key Responsibilities

• Develop and maintain the enterprise Zero Trust architecture roadmap aligned with business and cybersecurity objectives.
• Design and implement security architectures based on NIST Zero Trust Architecture (SP 800-207), CISA Zero Trust Maturity Model, and industry best practices.
• Lead enterprise-wide Zero Trust transformation initiatives across cloud, on-premises, and hybrid environments.
• Define security reference architectures, standards, policies, and design principles.
• Conduct architecture reviews and provide guidance for new technology deployments.
• Architect micro‑segmentation and software‑defined perimeter solutions.
• Design secure access controls for:
  • Corporate networks
  • Data centers
  • Cloud environments
  • Third‑party connectivity
• Implement Zero Trust Network Access (ZTNA) technologies.
• Reduce reliance on traditional VPN architectures.
• Lead network access policy modernization initiatives.
• Design and implement security architectures across:
  • Microsoft Azure
  • AWS
• Collaborate with cloud engineering teams to establish secure landing zones.
• Implement cloud‑native security controls and posture management capabilities.
• Evaluate and improve cloud identity and access security.
• Lead implementation of Zero Trust security technologies and integrations.
• Establish security monitoring and continuous verification capabilities.
• Support incident response and threat hunting activities.
• Identify security gaps and remediation opportunities through assessments and architecture reviews.
• Develop automation and orchestration solutions to improve security operations.
• Translate regulatory and compliance requirements into technical security controls.
• Participate in risk assessments and security audits.
• Develop metrics and KPIs to measure Zero Trust maturity and effectiveness.
• Present architecture recommendations and risk findings to senior leadership.
• Strong executive communication and presentation skills.
• Ability to influence stakeholders across business and technical teams.
• Strategic thinker with strong architectural and analytical skills.
• Proven ability to lead complex enterprise transformation initiatives.
• Excellent problem‑solving and decision‑making capabilities.