Zero Trust & Microsegmentation Engineer

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If you're an engineer who sees enterprise security not as a restriction — but as architecture — this role was built for you.

At S&P Global, our Cybersecurity Engineering team is at the forefront of protecting one of the world's most trusted financial intelligence organizations. We're looking for a Micro-Segmentation Engineer who can bridge the gap between application complexity and security precision — someone who doesn't just understand how networks talk, but knows exactly when they shouldn't.

You’ll work at the intersection of network engineering, cybersecurity, and application architecture, collaborating with teams across the enterprise to design and enforce Zero Trust principles s is a high-visibility, high-impact role where your decisions directly shape the security posture of critical global infrastructure.

• Architect and enforce enterprise-wide micro-segmentation policies across applications, servers, workloads, and cloud environments — directly reducing the attack surface and eliminating unnecessary east-west traffic that creates risk exposure.
• Map and validate application communication flows end-to-end — analyzing dependencies, ports, protocols, and authentication requirements — translating them into precise firewall rules, ACLs, and Zero Trust Network Access (ZTNA) controls that protect without disrupting business-critical operations.
• Drive policy assurance by performing traffic-flow analysis using network telemetry, Net Flow, packet captures, and application dependency mapping — validating segmentation outcomes before and after every change.
• Lead remediation and incident response — identifying and closing overly permissive connectivity gaps, serving as an approver for network change requests, and acting as a key contributor during major incidents to minimize impact and accelerate resolution.
• Automate and scale segmentation policy deployment, compliance reporting, and validation — building a robust Micro-Segmentation framework that enforces quality, change management rigor, and long-term operational resilience.
• Partner across the business — supporting cloud adoption, data-center transformations, and modernization initiatives by developing the documentation standards, labeling strategies, and segmentation procedures that govern the enterprise's network security posture.

We take care of you, so you can take care of business. We care about our people. That's why we provide everything you — and your career — need to thrive at S&P Global.

• Health & Wellness: Health care coverage designed for the mind and body.
• Flexible Downtime: Generous time off helps keep you energized for your time on.
• Continuous Learning: Access a wealth of resources to grow your career and learn valuable new skills.
• Invest in Your Future: Secure your financial future through competitive pay, retirement planning, a continuing education program with a company-matched student loan contribution, and financial wellness programs.
• Family Friendly Perks: It's not just about you. S&P Global has perks for your partners and little ones, too, with some best-in-class benefits for families.
• Beyond the Basics: From retail discounts to referral incentive awards — small perks can make a big difference.

S&P Global states that the anticipated base salary range for this position is $150.000 to $190.000 . Final base salary for this role will be based on the individual's geographic location, as well as experience level, skill set, training, licenses and certifications. In addition to base compensation, this role is eligible for an annual incentive plan. This role is eligible to receive additional S&P Global benefits.