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JLL Spark
JLL Spark

Vulnerability Engineer

JLL Technologies

JLL Technologies

Other Engineering
Chicago, IL, USA
Posted on Tuesday, June 6, 2023

JLL supports the Whole You, personally and professionally.

Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology to our clients. We are committed to hiring the best, most talented people in our industry; and we support them through professional growth, flexibility, and personalized benefits to manage life in and outside of work. Whether you’ve got deep experience in commercial real estate, skilled trades, and technology, or you’re looking to apply your relevant experience to a new industry, we empower you to shape a brighter way forward so you can thrive professionally and personally.


Perform vulnerability assessments, troubleshoot scanning of systems, and networks to identify security weaknesses and potential risks.

Conduct in-depth analysis to help identify security vulnerabilities and weaknesses risk patterns across our global infrastructure.

Collaborate with development and patch operations teams to provide guidance and assistance in remediating identified vulnerabilities and implement secure coding and system development practices.

Develop and maintain tools, scripts, and codify automation to support vulnerability analysis, remediation, metrics and general vulnerability program needs.

Stay up to date with the latest security vulnerabilities, attack vectors, and exploitation techniques, and proactively assess their potential impact on our systems.

Aid in the development of reporting on vulnerabilities, risks, and recommended mitigation strategies for technical and non-technical stakeholders.

Work closely with other members of other cybersecurity and IT teams to ensure vulnerabilities are properly addressed and remediated in a timely manner.

Assist in incident response activities by investigating and analyzing security incidents, as needed.

Contribute to the development and improvement of vulnerability management processes, procedures, and methodologies and tools.


Bachelor's degree in Computer Science, Information Security, or a related field. Relevant certifications (e.g., OSCP, CISSP, CEH, GPEN, GCPN, GWAPT) are a plus.

2-4 years’ experience as a Vulnerability Analyst or similar role. An ideal candidate would have previous experience or a working foundation in software development and would be comfortable scripting and consuming vulnerability scanning tool APIs, with a good familiarity of working with vulnerability and asset data.

Working knowledge of cloud infrastructure environments (AWS/Azure at a minimum) is required.

Experience in data analysis used for vulnerability management program measurement and/or development of metrics or Key Performance Indicators is a plus.

Working knowledge in any of the following programming languages, such as Python, JavaScript, Java, C/C++, or .NET. Python is preferred.

Experience in PowerBI or any experience with data visualization tools and/or relational/non-relational databases (SQL, Postgres etc.) would be plus.

Knowledge of common security vulnerabilities, such as OWASP Top 10, and experience in identifying and remediating them.

Understanding of network protocols, TCP/IP stack, and common security technologies (e.g., firewalls, IDS/IPS, SIEM).

Excellent analytical and problem-solving skills, with the ability to think creatively and develop innovative solutions.

Strong written and verbal communication skills, with the ability to effectively convey complex technical concepts to both technical and non-technical stakeholders.

Ability to work independently, prioritize tasks, and manage multiple project initiatives simultaneously in a fast-paced environment.

Strong ethical mindset, with a commitment to maintaining confidentiality and adhering to professional ethics.

Any experience with machine learning/artificial Intelligence model development would be a significant plus.

Join our JLL team of cybersecurity professionals and make a significant impact in ensuring the security and resilience of our organization's digital assets. Apply today and help us stay ahead of emerging threats while maintaining a robust and secure infrastructure.


Hybrid –Chicago, IL

If this job description resonates with you, we encourage you to apply, even if you don’t meet all the requirements. We’re interested in getting to know you and what you bring to the table!

Personalized benefits that support personal well-being and growth:

JLL recognizes the impact that the workplace can have on your wellness, so we offer a supportive culture and comprehensive benefits package that prioritizes mental, physical and emotional health. Some of these benefits may include:

  • 401(k) plan with matching company contributions

  • Comprehensive Medical, Dental & Vision Care

  • Paid parental leave at 100% of salary

  • Paid Time Off and Company Holidays

  • Flexible and Remote Work Arrangements may be available

About JLL

For over 200 years, JLL (NYSE: JLL), a leading global commercial real estate and investment management company, has helped clients buy, build, occupy, manage and invest in a variety of commercial, industrial, hotel, residential and retail properties. A Fortune 500 company with annual revenue of $20.9 billion and operations in over 80 countries around the world, our more than 103,000 employees bring the power of a global platform combined with local expertise. Driven by our purpose to shape the future of real estate for a better world, we help our clients, people and communities SEE A BRIGHTER WAY. JLL is the brand name, and a registered trademark, of Jones Lang LaSalle Incorporated. For further information, visit

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This position may require you to be fully vaccinated against COVID-19. If required, you’ll be asked to provide proof that you’re fully vaccinated upon your start date. You’re considered fully vaccinated two weeks after you receive the second dose of a two-dose vaccine series (e.g., Pfizer or Moderna) or two weeks after a single-dose vaccine (e.g., Johnson & Johnson/Janssen). Failure to provide proof of vaccination may result in termination.

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