About Millennium
Millennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millenniums mission is to deliver results for our investors.

Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the backing of a global network committed to collaboration, disciplined risk management and continuous learning. With opportunities to deepen expertise and accelerate development, talent at Millennium is equipped to adapt, evolve and build lasting impact over time. Discover how transformative growth accelerates impact.

Meet the Team
Information Technology is core to the health and growth of Millenniums active, multi-manager business model, which demands flexible, scalable technology and advanced proprietary systems. The Information Security team protects the firms people, data, and technology across a complex, fast-moving global trading environment, partnering with technology, trading, and business stakeholders to embed security throughout global operations. The team combines deep technical expertise with pragmatic risk management and is advancing innovative applications of artificial intelligence to strengthen the firms defenses.

What You'll Do

• Conduct security risk assessments for prospective and existing vendors, including questionnaire reviews, evidence validation, technical discussions, and identification of fourth-party and subprocessor dependencies.

• Evaluate the materiality and business impact of findings, identify compensating controls, and recommend remediation or risk acceptance based on residual risk.

• Prepare clear risk assessment reports and maintain accurate third-party risk inventory and assessment records.

• Communicate findings, recommendations, and implementation requirements to technical teams, business stakeholders, and senior leaders.

• Track remediation of identified security gaps and follow up on implementation requirements.

• Partner with vendor management, procurement, legal, and business teams to embed security requirements into vendor contracts and onboarding processes.

• Monitor existing vendors for security incidents and adverse news, engaging vendors to assess impact, root cause, and corrective actions.

• Strengthen the third-party risk management program through improvements to methodology, questionnaires, monitoring, reporting, quality assurance, and automation.

What You Bring

• Experience conducting vendor or third-party security risk assessments, including familiarity with NIST CSF, SOC 2, ISO 27001, CIS Controls, SIG, and CAIQ.

• Ability to analyze penetration-test reports and architecture or data-flow diagrams to assess vulnerability severity, connectivity, trust boundaries, and associated security risks.

• Strong critical thinking and risk judgment, with the ability to assess materiality, business impact, and compensating controls.

• Excellent written and verbal communication skills, with the ability to translate technical issues into clear risk and business implications for stakeholders.

• Ability to manage multiple assessments and deadlines effectively in a fast-paced, high-stakes environment.

• Bachelors degree or higher in Computer Science, Computer Engineering, Cybersecurity, Information Security, or a related field, or commensurate work experience.

• Five or more years of hands-on third-party risk management experience: relevant security certifications, such as CTPRP, CTPRA, CISA, or CISSP, are preferred.

• Experience with the secure use, deployment, and governance of AI models, tools, and supporting infrastructure, including GPUs and inferencing workloads; familiarity with on-premises and cloud infrastructure, TPRM platforms, reporting and automation tools, and Windows, Linux, and macOS environments is preferred.

Salary Range
Millennium offers a total compensation package which includes a base salary, discretionary performance bonus, and comprehensive benefits. The estimated base salary range for this position is $175,000 to $250,000, which is specific to New York and may change in the future. When finalizing an offer, we take into consideration an individuals experience level and the qualifications they bring to the role to formulate a competitive total compensation package