Senior IT Security Engineer

About this role

About Sequel

Sequel, headquartered in Manchester, New Hampshire, is a company developing the next generation of transformative drug-delivery advancements starting with diabetes. Sequel’s approach is to look at diabetes management holistically to advance systems that make living with diabetes simpler and easier for all. Sequel’s flagship product, the twiist Automated Insulin Delivery (AID) System, launched in July 2025 for people with type 1 diabetes providing them with personalized diabetes management.

Job Overview:

The Sr. IT Security Engineer is a hands-on technical leader responsible for executing and continuously improving Sequel’s security operations program. This role plays a key part in protecting the organization’s systems, data, and users by managing day-to-day security operations, responding to risks, and strengthening core security capabilities.

The Manager partners closely with the Senior Manager, Security & Compliance and IT leadership to implement security priorities, support compliance efforts, and drive measurable risk reduction. This role balances deep technical execution with practical input into process improvements and program maturity.

This position does not own helpdesk or end-user provisioning activities and works in close collaboration with IT operations to continuously raise the organization's security posture and deliver measurable, auditable risk reduction.

### Job Responsibilities and Essential Duties

Security Strategy, Roadmap & Program Leadership

• Execute and support ongoing security operations aligned with Sequel’s security priorities and roadmap

• Translate security findings, alerts, and audit requirements into actionable remediation plans

• Proactively monitor the evolving threat landscape and regulatory environment; assess their impact on Sequel's security posture and bring forward-looking recommendations before they become reactive obligations.

• Contribute to investment and business-case discussions by arti...