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Senior IT Security Engineer

Uline · IL · Full time

Posted Oct 1, 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 vulnerability review you led that changed how a system was built or run.

What they are checking: Whether their findings actually led to fixes, which depends on how well they explain risk and follow through.

What security tools have you implemented hands-on, and what did you learn from one that didn't work as expected?

What they are checking: Whether they have real hands-on depth and the honesty to learn from a rollout that went poorly.

Tell me about a time you had to convince leadership to fund a security improvement. What made the case land?

What they are checking: Whether they can tie security spending to business risk in a way that decision-makers actually act on.

What would you do

An architect wants to launch a project with a design you think is risky, and leadership wants it live this quarter. How do you handle it?

What they are checking: Whether they can reduce risk on a complex project by offering safer paths, not just blocking it.

You find an access misconfiguration that has existed for months. What do you do first, and who do you tell?

What they are checking: Whether they fix the gap, check for any misuse during that window and report it honestly rather than quietly patching.

About the work

Walk me through how you would design security into a new application before it reaches production at one of the largest e-commerce sites in the U.S.

What they are checking: Whether they get involved at design time with threat modeling rather than scanning for problems after the build is done.

The posting focuses on user access. How have you designed identity and access controls that hold up at enterprise scale?

What they are checking: Whether they understand least privilege, role design and access reviews well enough to keep access from quietly sprawling.

How would you segment a network that supports both warehouse operations and a high-traffic e-commerce platform?

What they are checking: Whether they can limit how far an attacker could move while keeping critical business traffic flowing.

How do you protect a public e-commerce site against common online threats like credential stuffing and bot traffic?

What they are checking: Whether they understand the specific attacks a large online store faces and practical layered defenses against them.

How do you keep the security systems you manage patched and maintained without disrupting operations that run around the clock?

What they are checking: Whether they plan maintenance carefully, with testing and rollback, for systems the business cannot afford to lose.

Practice this interview out loud.

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The full job description

As published by Uline.

Senior IT Security Engineer Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Secure what matters. Join Uline as a Senior IT Security Engineer and protect IT Security platforms for one of the largest e-commerce sites in the U.S. From designing and managing security solutions, to guiding business decisions, you’ll keep our growing enterprise safe and resilient. Careers Packed with Potential. Backed by 45+ years of success, Uline offers opportunities to grow your career with stability you can count on. Position Responsibilities • Partner with architects, developers and leadership to create strong security plans for new systems, networks and applications. • Review the company's systems and technologies to identify vulnerabilities and recommend improvements to strengthen security. • Lead design and hands-on implementation of IT Security solutions with a focus on user access that ensures network safety. • Manage and maintain systems and software, including network setups and tools to protect against online threats. • Reduce security risks for complex projects or those that could pose business challenges. Minimum Requirements • Bachelor’s degree in information technology or related field. • 8+ years of experience in an enterprise-level IT environment. • Proven experience with enterprise-level applications and security tools. • CISSP, Security+ or related information security certifications are preferred. • Uline does not participate in the H-1B lottery. Benefits • Complete health insurance coverage and 401(k) with 6% employer match that starts day one ! • Multiple bonus programs. • Paid holidays and generous paid time off. • Tuition Assistance Program that covers professional continuing education. Employee Perks • On-site café and first-class fitness center with complimentary personal trainers. • Over four miles of beautifully maintained walking trails. About Uline Uline, a family-owned company, is North America’s leading distributor of shipping, industrial, and packaging materials with over 9,800 employees across 14 locations. Uline is a drug-free workplace . All new hires must complete a pre-employment hair follicle drug screening . All positions are on-site. EEO/AA Employer/Vet/Disabled #LI-KK2 #CORP (#IN-PPITL2) #ZR-HQIT Our employees make the difference and we are committed to offering exceptional benefits and perks! Explore Uline.jobs to learn more!

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