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Lead, Cyber Security Engineer

Northern Trust · Chicago, IL · Full time

Posted Jul 31, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a time you were the technical lead on a security project with several teams. How did you keep it moving?

What they are checking: Ability to drive cybersecurity initiatives across groups while holding technical quality.

Tell me about a security incident or near miss involving data loss. What was your part?

What they are checking: Whether they have handled real data protection events and learned from them.

What would you do

You're on L3 support and a DLP policy change is blocking a trading team's file transfers at 8 a.m. What do you do?

What they are checking: Restoring business quickly with a safe rollback while keeping data protected and documenting the change.

A business unit asks for a DLP exception for a vendor they share files with. How do you decide?

What they are checking: Risk-based judgment on exceptions, including compensating controls, time limits and approvals.

About the work

Walk me through how you'd implement Zscaler DLP policies for a bank without blocking legitimate business work.

What they are checking: Practical DLP experience with tuning, monitor-first rollouts and handling false positives with business input.

How do Zscaler DLP, Microsoft Purview DLP, CASB and Endpoint DLP fit together, and where do they overlap?

What they are checking: Whether they understand coverage across network, cloud, endpoint and data at rest, and avoid duplicate or conflicting policies.

Tell me about your experience installing or upgrading Broadcom Layer7 API Gateway. What went wrong and how did you fix it?

What they are checking: Real hands-on gateway experience, including upgrades, policies and troubleshooting rather than just familiarity.

What API security risks worry you most, and how would a gateway help address them?

What they are checking: Knowledge of authentication flaws, broken authorization, injection and rate abuse, and what a gateway can and cannot fix.

How do you manage encryption keys and certificates across many applications without outages?

What they are checking: Understanding key lifecycle, rotation, expiration tracking and the outages that come from certificate neglect.

How would you design the Layer7 gateway for high availability?

What they are checking: Thinking about clustering, failover, monitoring and capacity for a gateway that many services depend on.

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The full job description

As published by Northern Trust.

About Northern Trust As a global leader in innovative wealth management, asset servicing, asset management and banking services, Northern Trust (Nasdaq: NTRS) is proud to guide the world’s most successful individuals, families, corporations and institutions. Since 1889, we have aligned our efforts with our three guiding Principles That Endure: Service, Expertise, and Integrity. Together, they reflect the three cornerstones of business conduct which we strive to instill in our employees, whom we call partners, and to provide to our clients and the communities we serve worldwide. With more than 135 years of financial experience and over 24,000 partners, we serve the world’s most sophisticated clients using leading technology and exceptional service. Role Summary Lead Cyber Security Engineer responsible for designing, implementing, upgrading, administering, and supporting enterprise Data Protection, Zscaler DLP, Encryption, API Security, and Broadcom Layer7 API Gateway solutions. Acts as a technical lead, drives cybersecurity initiatives, provides L3 production support, and partners with business and technology teams to deliver secure, scalable, and highly available solutions. Key Responsibilities • Lead implementation and optimization of Zscaler DLP, Microsoft Purview DLP, CASB, Endpoint DLP, and data protection controls. • Lead Broadcom Layer7 API Gateway installation, configuration, upgrades, migrations, and administration across DEV, UAT, and PROD environments. • Design and support high-availability architectures including clustering, replication, failover, disaster recovery, and business continuity. • Design, deploy, and manage API security controls, gateway policies, and integration solutions. • Troubleshoot gateway, networking, database, security, and integration issues; perform root cause analysis. • Perform health checks, pre-upgrade assessments, post-deployment validation, and operational readiness reviews. • Monitor security events, investigate incidents, support threat detection and response activities, and provide production support. • Integrate security platforms with SIEM solutions and drive automation and DevOps opportunities. • Collaborate with infrastructure, network, database, cloud, and security teams. • Develop operational runbooks, technical documentation, upgrade procedures, and troubleshooting guides. • Provide technical leadership, mentoring, engineering guidance, and continuous improvement initiatives. Required Technical Skills • Zscaler DLP, Microsoft Purview, Defender Suite, CASB, Endpoint DLP • Broadcom Layer7 API Gateway Administration, Upgrades, Migrations, and Policy Management • High Availability, Clustering, Replication, Disaster Recovery, and Business Continuity • Linux/Unix Administration and MySQL Administration • Network Security, SSL/TLS, DNS, Firewall Connectivity, and Networking • Threat Detection, Incident Response, Root Cause Analysis, and Production Support • Azure Security Services, SIEM Platforms, Automation, Scripting, CI/CD, and DevOps Practices Preferred Skills • Kubernetes and Containerized Deployments • Helm Charts and YAML Configuration • Logging and Diagnostic Tools • Enterprise API Management Platforms • Experience working in regulated environments Qualifications • Bachelor's degree or equivalent experience. • 7+ years of Cyber Security, Data Protection, Encryption, API Security, or Layer7 API Gateway experience. • CISSP, CISM, CISA, GIAC/SANS, or cloud security certifications preferred. Leadership Scope • Lead medium-to-large cybersecurity initiatives and platform upgrades. • Serve as an escalation point for critical incidents and production issues. • Drive engineering standards, automation, operational excellence, and continuous improvement. • Influence security architecture, technology roadmaps, and platform strategy. • Partner with cross-functional stakeholders and communicate effectively with leadership. Salary Range: Salary range is a good faith estimate of base pay. Northern Trust provides a comprehensive benefits package including retirement benefits (401k and pension), health and welfare benefits (medical, dental, vision, spending accounts and disability), paid time off, parental and caregiver leave, life & accident insurance, and other voluntary and well-being benefits. Northern Trust also provides a discretionary bonus program that may include an equity component. Work Authorization Applicants must be authorized to work in the U.S. without the need for employment-based visa sponsorship now or in the future. Northern Trust will not sponsor applicants for U.S. work visa status for this opportunity (no sponsorship is available for H-1B, L-1, TN, O-1, E-3, H-1B1, F-1, J-1, OPT, CPT or any other employment-based visa). Working with Us As a Northern Trust partner, you will be part of a flexible and collaborative work culture, which has a strong history of financial strength and stability. Movement within the organization is encouraged, senior leaders are accessible, and you can take pride in working for a company committed to an inclusive workplace and assisting the communities we serve. Philanthropy is deeply rooted in Northern Trust’s history and is an essential element of our culture. Employees around the world give their time and talent to work for the greater good of their communities. Reasonable Accommodation Northern Trust is committed to working with and providing adjustments to individuals with health conditions and disabilities. If you need a reasonable accommodation for any part of the employment process, please email our HR Service Center at MyHRHelp@ntrs.com , or alternatively you can discuss your individual requirements with the recruiter you are working with.

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