David Therrien, CISM

About

Cybersecurity Leader with 18+ years of experience managing large-scale enterprise security, network, and cloud engineering teams across globally distributed organizations. Demonstrated expertise in security strategy, compliance, and operations, with hands-on leadership in deploying cloud-native/hybrid security tools and aligning security initiatives with evolving business needs. Adept at building and mentoring high-performing teams, fostering innovation, and driving information security maturity in cloud, hybrid, and on-premise environments.

Experience

• Network Security Engineering & Operations Senior Manager · Cigna05-01-2020

  Responsible for multiple concurrent deliveries of IT technical cybersecurity programs totaling over $70m across the enterprise. Scope includes delivery of best-in-class network layered security, global security products, infrastructure virtualization, and enterprise scale cyber security system migration/centralization. Technologies include NGFW, DLP, IPS, IDS, NDR, DDOS, IR, WAF, Load Balancing, Proxy, threat/incident response, and Security Orchestration both in the cloud, hybrid, and on-premise. Global Engineering and Operations teams management responsibility for KPI development, controls implementation, incident response and vulnerability management.

• Architecture Manager · Cigna12-01-2017 – 09-01-2021

  Managed Architecture design & delivery for network perimeter and cloud cybersecurity new products, consolidations and modernizations including advanced threat protection infrastructures. Towers included, network, compute, monitoring, endpoint protection, and data segmentation activities globally.

• Portfolio Release Train Engineer, Global Network Services · Cigna2008 – 09-01-2021

  Responsibilities include the management of APM/TPM resources and coordination at the divisional level for 12 disparate product streams that addressed the management of 250+ individuals to deliver on organizational goals. This position, reporting to the managing director, included budget, portfolio, goals planning, and the establishment policies, standards, and procedures for Aglie/SAFE using both Rally and Jira for the Cigna cybersecurity infrastructure organization.

• Senior Advisor · Pfizer01-01-1998 – 01-01-2007

  Provided strategic advice and guidance on network and security matters, contributing to the company's technological advancements.

Education

• Charter Oak State CollegeIn-Progress, Organizational Management

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