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Client Platforms Security Engineer

DRW · Chicago, IL · $150,000–$200,000 a year · SEC - Platform

Posted Aug 19, 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 security control you implemented that users pushed back on. How did you handle it?

What they are checking: Ability to win adoption by listening and adjusting rather than forcing changes through.

Tell me about working with an infrastructure team that owned the systems you were securing.

What they are checking: Collaboration skills, since security engineers rarely own the platforms they are protecting.

What would you do

You want to roll out a control that will reduce risk but might slow down traders' machines. How do you approach it?

What they are checking: Balancing risk reduction against performance, matching the posting's goal of not hurting effectiveness.

How would you approach removing local admin rights from users who are used to having them?

What they are checking: Planning a disruptive change with exceptions, communication and support so it actually sticks.

A vulnerability is announced that affects most of your endpoints. Walk me through how you respond.

What they are checking: Structured vulnerability response covering exposure assessment, prioritization and coordinated patching.

About the work

This role secures client platform infrastructure, virtual or physical. How would you harden a fleet of Windows and macOS endpoints at a trading firm?

What they are checking: Practical endpoint hardening knowledge covering configuration baselines, patching and privilege controls.

How do you audit configurations across a hybrid environment and find drift from your security baseline?

What they are checking: Experience with tooling and process for continuous configuration auditing, which the posting names directly.

What's your experience with EDR tools, and how do you tune them so they catch real threats without blocking legitimate work?

What they are checking: Hands-on familiarity with endpoint detection and the judgment needed to tune it in a demanding environment.

How do you secure virtual desktop infrastructure differently from physical endpoints?

What they are checking: Understanding of the distinct risks and controls for virtual client platforms in a hybrid setup.

How do you automate security tasks on client platforms so they scale?

What they are checking: Whether they script and automate rather than relying on manual checks that do not scale.

Practice this interview out loud.

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The full job description

As published by DRW.

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk. Headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities and Energy across all major global markets. We have also leveraged our expertise and technology to expand into three non-traditional strategies: real estate, venture capital and cryptoassets. We operate with respect, curiosity and open minds. The people who thrive here share our belief that it’s not just what we do that matters–it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. We are seeking a  Client Platforms Security Engineer  to work with the members of the security team to ensure that our client platform&nbsp;infrastructure, virtual or physical, is properly&nbsp;protected. You will engineer, maintain and implement security controls, audit configurations in a hybrid compute environment. You will generally ensure we are reducing risk footprint across the infrastructure without impacting its effectiveness. A successful candidate will have an attention to detail, the ability to understand what impact their changes will have on&nbsp;the business teams and the services they use.  &nbsp; What you’ll be doing:   &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="1" data-aria-level="1"> Maintain security tools and their associated configurations  &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="2" data-aria-level="1"> Manage and coordinate updates of tools when new versions are released  &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="3" data-aria-level="1"> Working with platform teams to deploy tools and changes as necessary after validating necessary performance and functionality requirements  &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="4" data-aria-level="1"> Identify solutions in the market and test them to see if they prove viable for our environment and use case &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="5" data-aria-level="1"> Work with the platform teams to ensure the OS builds are as hardened to the extent they can be  &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="6" data-aria-level="1"> Identify and document ways to measure effectiveness of the&nbsp;client platform&nbsp;controls  &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="7" data-aria-level="1"> Assess risk in our&nbsp;client platform&nbsp;environment and provide mitigations for those risks  &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="8" data-aria-level="1"> Identify process improvements for automation of security hardening checks on&nbsp;client platforms  &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="9" data-aria-level="1"> Work with the operation teams internal and external to ensure identified risks are triaged, investigated, and remediated as necessary &nbsp; What we’re looking for:     &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="1" data-aria-level="1"> Strong verbal, written, and interpersonal communication skills  &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="2" data-aria-level="1"> Bachelor’s degree or relevant work experience required  &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="3" data-aria-level="1"> Scripting/Development experience in any high-level language with the desire to build upon that repertoire  &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="4" data-aria-level="1"> Experience maintaining client OS platforms (e.g Windows, Linux, MacOS) in a physical and virtual world. &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="5" data-aria-level="1"> Understanding of network fundamentals and protocols. &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="6" data-aria-level="1"> Deep technical understanding of client OS platforms (e.g Windows, Linux, MacOS). Mobile OS platforms a plus (e.g. iOS, Android, etc) &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="7" data-aria-level="1"> Experience with endpoint security suites and frameworks (e.g. Anti-Virus, EDR/XDR, execution flow control, etc) &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="8" data-aria-level="1"> Strong, demonstrable experience in Cybersecurity engineering, design, implementation and documentation  &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="9" data-aria-level="1"> Experience with leading SOAR and SIEM solutions &nbsp; Bonus Points For: &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="1" data-aria-level="1"> Experience&nbsp;managing&nbsp;platforms&nbsp;like CrowdStrike,&nbsp;Sentinel&nbsp;One, or Carbon Black App Control &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="2" data-aria-level="1"> Experience&nbsp;working with Qualys and a general&nbsp;understanding of&nbsp;vulnerability&nbsp;management processes&nbsp; &nbsp; <li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="3" data-aria-level="1"> Experience&nbsp;scripting with languages like Python, Powershell,&nbsp;and&nbsp;the Linux Shell &nbsp; The annual base salary range for this position is $150,000 to $200,000 depending on the candidate’s experience, qualifications, and relevant skill set. The position is also eligible for an annual discretionary bonus. In addition, DRW offers a comprehensive suite of employee benefits including group medical, pharmacy, dental and vision insurance, 401k (with discretionary employer match), short and long-term disability, life and AD&D insurance, health savings accounts, and flexible spending accounts. For more information about DRW's processing activities and our use of job applicants' data, please view our Privacy Notice at https://drw.com/privacy-notice . California residents, please review the California Privacy Notice for information about certain legal rights at https://drw.com/california-privacy-notice . [#LI-LD1] &nbsp;

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