Director Mainframe Security Engineer Jobs in Manchester, NH

Job Description:

POSITION SUMMARY

The Director of Network & Technology Resilience is responsible for securing, standardizing, and hardening the enterprise network, cloud platforms, and recovery architecture to ensure resilient, recoverable, and defensible technology operations. Reporting directly to the Vice President of Information Security & Infrastructure Operations, this role bridges infrastructure engineering and cybersecurity by owning network configuration governance, cloud security architecture alignment, and enterprise disaster recovery engineering. The Director ensures core technology platforms are architected and configured to withstand disruption, resist compromise, and recover rapidly in alignment with business continuity objectives.

This role will require close partnership with internal and external teams to ensure new and existing applications, systems, and services are aligned to network and cloud resiliency, recovery, and security frameworks. This is a player-coach role, and candidates should expect to be hands-on 40-60% of the time.

Please note that this position is not available for visa sponsorship, and we are unable to take over existing employment visa sponsorships

RESPONSIBILITIES

• Establish and enforce secure network configuration standards across all United States and International sites.
• Oversee segmentation strategy and zero trust alignment.
• Ensure redundancy and failover across Wide Area Network (WAN), Local Area Network (LAN), data center, and cloud connectivity.
• Govern firewall, public Domain Name System (DNS), Public Key Infrastructure (PKI), and secure remote access architecture.
• Conduct configuration reviews & resilience assessments to eliminate single points of failure.

Cloud Security & Platform Resilience

• Develop multi-year resilience roadmap for Amazon Web Services (AWS).
• Develop and enforce secure cloud architecture patterns and guardrails.
• Oversee multi-region, autoscaling, backup, and failover strategies.
• Align cloud recovery objectives with enterprise Recovery Time Objective (RTO) /Recovery Point Objective (RPO) standards.
• Lead cloud recovery validation testing and simulations.

• Own enterprise technology backup and disaster recovery strategy, execution, and compliance.
• Define and govern RTO, RPO, and Mean Time to Recovery (MTTR) metrics.
• Oversee cross-system recovery sequencing and dependency validation.
• Lead technical recovery testing and executive reporting.

• Drive automation of recovery workflows and network failover processes.
• Partner with Information Technology and third-party teams to improve reliability metrics.
• Reduce manual intervention in recovery through orchestration.

• Align infrastructure resilience strategy with cybersecurity posture.
• Integrate cyber incident response and recovery procedures.
• Support ransomware resilience strategy and segmentation controls.
• Ensure compliance with regulatory expectations (Health Insurance Portability and Accountability Act (HIPAA), General Data Protection Regulation (GDPR), Food and Drug Administration (FDA) guidance, National Institute of Standards and Technology (NIST).

MANAGEMENT RESPONSIBILITIES

• Build and inspire a global team of Network Engineers, promoting a culture of accountability, innovation and excellence.
• Provide mentorship and professional development to emerging leaders in Networking
• Model TransMedics' core values- integrity, discipline, transparency, and teamwork- in every aspect of leadership.

PHYSICAL ATTRIBUTES

• Standard office environment

MINIMUM QUALIFICATIONS

• 8+ years in a hands-on role in network engineering, cloud architecture, or infrastructure security.
• 3+ years in senior leadership overseeing enterprise network or resilience initiatives.
• Strong expertise in enterprise routing and switching, network segmentation, firewall architecture, VPNs, and hybrid cloud networking.
• Experience designing and supporting highly available, fault-tolerant network architectures with redundancy and automated failover.
• Proven experience in disaster recovery and business continuity engineering, including RTO/RPO planning, testing, and recovery runbooks.
• Experience implementing and managing core network security controls (e.g., segmentation, Network Detection and Response (NDR), Network Access Control (NAC)).
• Ability to communicate technical risk and resilience posture clearly to executive leadership.
• Strong documentation and project leadership skills across cross-functional teams and vendors.

PREFERRED QUALIFICATIONS

• Experience in regulated industries (medical device, healthcare, life sciences), with an understanding of compliance and operational requirements.
• Working knowledge of security and compliance frameworks including NIST Cyber Security Framework (CSF), NIST 800-171, International Organization for Standardization (ISO) 27001, HIPAA, GDPR, and FDA cybersecurity guidance.
• Certifications such as Certified Information Systems Security Professional (CISSP), Cisco Certified Network Professional (CCNP)/Cisco Certified Internetwork Expert (CCIE), AWS Security Specialty.
• Familiarity with securing cloud and hybrid environments (primarily AWS), identity and access management, and modern security tools.
• Experience supporting audits, risk assessments, or regulatory reviews, and helping translate technical controls into documented compliance evidence.
• Experience leading large-scale digital or enterprise transformation initiatives within global, fast-scaling organizations

As part of our long-term growth plans, TransMedics is excited to announce our plan to relocate our headquarters (HQ) to Somerville, MA by 2028. We chose this location because we believe it is a place where innovation will thrive. Our new state-of-the-art headquarters is designed to support collaboration, creativity, and discovery. We believe this will be a place where we can continue to do things few thought possible in organ transplantation to help patients. Specific timing and role impact may vary.

Every Organ Wasted is a Life Not Saved.

TransMedics, Inc. is a commercial-stage medical technology company transforming organ transplant therapy for patients worldwide. Our mission is to help save more patients' lives by increasing access to viable donor organs for those who are awaiting an organ transplant. To accomplish this mission, we partner closely with transplant stakeholders worldwide and help expand their access to healthy donor organs, while delivering the highest quality technology, service, clinical care and outcomes.

Driven by a passion for improving patient care, we make the impossible possible and keep our employees at the center of everything we do. Together, we strive to enhance the quality of life for transplant recipients and their families, fostering hope and healing in the journey toward better health.

Maximize your potential at TransMedics, Inc.

www.TransMedics.com

TransMedics is committed to equitable and transparent compensation. The expected base salary range for this role is$192,500.00 - $240,100.00, which represents the company's current good-faith estimate of compensation for this position. Actual salary will depend on factors such as, but not limited to, candidate experience, qualifications, skills, and the specific work location. This role may also be eligible for bonuses, equity, and a comprehensive benefits package (medical, dental, vision, retirement savings, paid time off, and wellness resources). We comply with all U.S. pay transparency laws and do not request or consider salary history.

TransMedics is an equal opportunity employer and does not discriminate on the basis of race, color, religion, sex, national origin, marital status, age, disability or protected veteran status, or any other characteristic protected by law. We are committed to creating an inclusive environment for all employees.