Senior Security Infrastructure Program Lead

SIG Susquehanna; Dublin; Hybrid; EUR 90,000 - 130,000; Full time

Job summary

SIG Susquehanna in Dublin seeks a Senior Technical Project Manager to lead security engineering projects within the Dublin Security team, part of a global infra organisation serving a fast-moving trading environment.

You will own complex security infrastructure projects spanning perimeter and internal firewalling, secure remote access, identity and authentication, web security, and security operations tooling. Strong technical depth is essential.

Qualifications

• Eight+ years managing technical infrastructure or engineering projects.
• Four+ years focused on security, network or identity projects.
• Delivery of large-scale security platform replacements or migrations in production.
• Experience coordinating multiple teams, vendors and stakeholders across regions.
• Working with audit, risk or compliance functions on control evidence.
• Background as a security or network engineer is an advantage.
• Certifications welcomed but not required (PMP, CISSP, etc.).

Responsibilities

• Lead security infrastructure projects end to end from requirements to handover.
• Build and maintain detailed project plans with milestones and risks.
• Coordinate delivery across Dublin Security, global security, and stakeholders.
• Own production change planning and governance activities.
• Run design reviews and document architecture decisions and risks.
• Manage vendor engagements and end-of-life planning.
• Identify delivery risks and drive resolution with options.
• Track audit/regulatory commitments and provide evidence to risk/compliance.
• Provide concise status reporting translating tech detail to business impact.
• Contribute to governance and documentation standards across teams.

Skills

Project leadership

Security infrastructure

Stakeholder management

Risk management

Cross-functional coordination

Communication

Governance

Education

Bachelor's degree in CS or related

Tools

Firewalls

VPN

MFA / IAM

SIEM / EDR

PKI / Certificates

Job description

SIG Susquehanna in Dublin seeks a Senior Technical Project Manager to lead security engineering projects within the Dublin Security team, part of a global infra organisation serving a fast-moving trading environment.

You will own complex security infrastructure projects spanning perimeter and internal firewalling, secure remote access, identity and authentication, web security, and security operations tooling. Strong technical depth is essential.