Senior Security Engineer

Senior Security Engineer

InterSystems is a global leader in data management and interoperability providing mission-critical technology that underpins systems across industries including public sector finance and other critical infrastructure domains. Security is foundational to our mission — protecting sensitive data enabling trust in connected systems and ensuring the resilience of platforms that power essential operations around the world.

As a Senior Security Engineer you will be a key technical leader responsible for advancing the security of InterSystems’ data platforms and related technologies. You’ll design evaluate and strengthen the security of complex distributed systems that handle some of the world’s most sensitive and high-value information.

This is a hands-on role with broad influence: you’ll collaborate with engineers product managers and architects across multiple product areas to ensure that security principles are embedded at every layer of the technology stack.

Key Responsibilities

• Secure Product Architecture: Partner with software and systems engineers to design and validate secure platform architectures focusing on authentication authorization encryption and data protection across the InterSystems technology stack.
• Platform and Database Assurance: Analyze test and harden database and application components to protect critical workloads and sensitive data. Identify areas for improvement and contribute to the design of new defensive capabilities within the IRIS data platform.
• Security as a Horizontal Function: Work closely with Product Managers and engineering leaders across interoperability analytics and data management to ensure consistent and effective application of security principles throughout all product lines.
• Vulnerability Research and Remediation: Investigate reproduce and validate reported security issues. Collaborate with development teams to design and review security fixes that meet product quality and reliability standards.
• Threat Modeling and Risk Evaluation: Lead technical assessments of emerging threats evaluate potential attack vectors and define practical mitigation strategies to improve product resilience.
• Automation and Tooling: Build and maintain tools or scripts that simplify vulnerability detection configuration analysis and security verification in engineering workflows.
• Mentorship and Security Advocacy: Coach developers and engineers on secure coding threat awareness and incident response fundamentals. Promote a culture where security is integrated into design and development from the start.
• Continuous Improvement: Contribute to the ongoing evolution of InterSystems’ security practices incorporating lessons learned from testing incident reviews and emerging technology trends.

Required Qualifications

• Bachelor’s degree in Computer Science Engineering or a related technical discipline. Advanced degree preferred.
• 6+ years of hands-on experience in software platform or systems security engineering.
• Strong understanding of database internals encryption authentication and access control.
• Demonstrated experience with threat modeling code analysis or vulnerability assessment in complex distributed systems.
• Practical expertise in programming or scripting languages such as C++ Python or Go for analysis automation or prototyping.
• Proven ability to collaborate across technical disciplines and product areas to deliver secure reliable solutions.
• Excellent written and verbal communication skills with the ability to convey complex security concepts clearly to both technical and non-technical audiences.

Preferred Qualifications

• Familiarity with secure software development practices and security testing methodologies.
• Experience with containerization or distributed data systems.
• Security-related certifications such as CISSP OSCP or GIAC are a plus.
• Background in incident response reverse engineering or vulnerability research.

We are an equal-opportunity employer and do not discriminate because of race color religion sex national origin ancestry marital status veteran status age disability sexual orientation or gender identity or expression or any other legally protected category. InterSystems is an E-Verify Employer in the United States.

What We Do

InterSystems builds the software that makes complex systems work—reliably securely and at scale. For more than 45 years we’ve been the information engine behind some of the world’s most mission-critical applications in healthcare government and business. Our data management integration and analytics technologies help organizations connect disparate systems turn data into insight and deliver better outcomes. From enabling interoperable healthcare and advancing clinical care to powering national infrastructure and large-scale enterprise systems our technology is used every day by millions of people in more than 80 countries. What sets InterSystems apart is not just what we build but how we build it. We focus on long-term innovation deep engineering excellence and solving hard problems that truly matter. Our teams work closely with customers to tackle real-world challenges—often behind the scenes but always at the heart of what keeps essential systems running. If you’re motivated by meaningful work technical depth and the opportunity to have a global impact you’ll find it here.

Why Work With Us

Because we are a profitable privately-held software company we place our clients first in everything we do. You’ll work on meaningful complex problems alongside deeply curious experts in a culture that values learning ownership and long-term growth—without the pressure of quarterly Wall Street demands.

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