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Application Security Engineer

Jones Lang LaSalle

Application Security Engineer

full-timePosted: Jan 23, 2026

Job Description

JLL empowers you to shape a brighter way.  

Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people  and empowering them to  thrive, grow meaningful careers and to find a place where they belong.  Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.   

JLL's Application Security team is looking for an Application Security Engineer to help validate that our services, applications, and websites are designed and implemented to the highest security standards. You will be responsible for analyzing the security of applications and services utilizing industry standard tooling and manual code reviews, vendor-provided solutions, discovering and addressing security issues, building security automation, and quickly reacting to new threat scenarios.

Strong skills across multiple domains will aide you in providing significant contributions to the JLL Application Security team and to multiple groups across JLL. You will have the opportunity to develop and contribute to solutions to interesting business problems and utilize appropriate technologies to drive understanding of the threat profile across JLL products and services.

As an Application Security Engineer you must foster constructive dialogue and find resolution when confronted with challenges and potentially discordant views. Engineers in this role are expected to participate fully in the planning of the Application Security team and constantly seek opportunities for process improvement. A successful candidate will need a combination of technical and communication skills, as well as the ability to handle a mix of disparate tasks which will include Dynamic Application Security Testing, threat modeling, automation, and project work. This role will provide career growth opportunities as you gain new security skills in the course of your duties and working with fellow world-class technologists.

Responsibilities:

  • Application Security Reviews via working with Dynamic Application Security Testing tooling

  • Manual code analysis / reviews across commonly used languages (among them Python, Java, .NET, and more)

  • Review of third-party services (e.g. SaaS-providers)

  • Audit, assessment, and analysis of overall security posture of projects

  • Providing subject matter expertise and guidance in secure software development, including secure coding strategies, security frameworks, and threat modeling

  • Stay up to date with emerging security threats, industry trends, and cutting-edge technologies, translating this knowledge into practical recommendations

  • Researching new technologies and languages when required

  • Engagement and outreach to internal development teams

  • Development and/or review and improvement of application security documentation

  • Security tool automation and development opportunities

  • Assistance with recruiting activities and other administrative work as needed

Basic Qualifications:

  • Bachelor (undergraduate) degree in a relevant field (Computer Science, Software Engineer, Security, or others) OR an equivalent combination of education, training, and experience

  • Minimum of 2 years of professional experience with any combination of at least 2 technical disciplines, including the following: cloud security, network security, application security, mobile security, secure development methodologies, software development and coding, identity management, authentication and authorization, network architecture, system administration, and systems engineering

  • Strong knowledge of secure coding practices including OWASP Top Ten, CWE/SANS Top 25, and common sources of application vulnerabilities.

  • Experience with code review techniques and tools for identifying security vulnerabilities.

  • Strong written and verbal communication skills, with the ability to convey complex security concepts to technical and non-technical stakeholders

Location:

Remote –Lisbon, PRT

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

At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing.

JLL Privacy Notice

Jones Lang LaSalle (JLL), together with its subsidiaries and affiliates, is a leading global provider of real estate and investment management services. We take our responsibility to protect the personal information provided to us seriously. Generally the personal information we collect from you are for the purposes of processing in connection with JLL’s recruitment process. We endeavour to keep your personal information secure with appropriate level of security and keep for as long as we need it for legitimate business or legal reasons. We will then delete it safely and securely.

For more information about how JLL processes your personal data, please view our Candidate Privacy Statement.

For additional details please see our career site pages for each country.

For candidates in the United States, please see a full copy of our Equal Employment Opportunity policy here.

Jones Lang LaSalle (“JLL”) is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities.  If you need a reasonable accommodation because of a disability for any part of the employment process – including the online application and/or overall selection process –  you may email us at HRSCLeaves@jll.com. This email is only to request an accommodation. Please direct any other general recruiting inquiries to our Contact Us page > I want to work for JLL.

Locations

  • Lisbon, Portugal (Remote)

Salary

Estimated Salary Rangemedium confidence

45,000 - 75,000 USD / yearly

Source: AI Estimation

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Dynamic Application Security Testing (DAST)intermediate
  • Manual code analysis/reviewsintermediate
  • Python, Java, .NETintermediate
  • OWASP Top Tenintermediate
  • CWE/SANS Top 25intermediate
  • Code review techniques and toolsintermediate
  • Secure coding practicesintermediate
  • Threat modelingintermediate
  • Secure software developmentintermediate
  • Cloud securityintermediate
  • Network securityintermediate
  • Application securityintermediate
  • Mobile securityintermediate
  • Secure development methodologiesintermediate
  • Software development and codingintermediate
  • Identity managementintermediate
  • Authentication and authorizationintermediate

Required Qualifications

  • Bachelor (undergraduate) degree in a relevant field (Computer Science, Software Engineer, Security, or others) OR an equivalent combination of education, training, and experience (experience)
  • Minimum of 2 years of professional experience with any combination of at least 2 technical disciplines, including the following: cloud security, network security, application security, mobile security, secure development methodologies, software development and coding, identity management, authentication and authorization, network architecture, system administration, and systems engineering (experience)
  • Strong knowledge of secure coding practices including OWASP Top Ten, CWE/SANS Top 25, and common sources of application vulnerabilities (experience)
  • Experience with code review techniques and tools for identifying security vulnerabilities (experience)
  • Strong written and verbal communication skills, with the ability to convey complex security concepts to technical and non-technical stakeholders (experience)

Responsibilities

  • Application Security Reviews via working with Dynamic Application Security Testing tooling
  • Manual code analysis / reviews across commonly used languages (among them Python, Java, .NET, and more)
  • Review of third-party services (e.g. SaaS-providers)
  • Audit, assessment, and analysis of overall security posture of projects
  • Providing subject matter expertise and guidance in secure software development, including secure coding strategies, security frameworks, and threat modeling
  • Stay up to date with emerging security threats, industry trends, and cutting-edge technologies, translating this knowledge into practical recommendations
  • Researching new technologies and languages when required
  • Engagement and outreach to internal development teams
  • Development and/or review and improvement of application security documentation
  • Security tool automation and development opportunities
  • Assistance with recruiting activities and other administrative work as needed

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Jones Lang LaSalle logo

Application Security Engineer

Jones Lang LaSalle

Application Security Engineer

full-timePosted: Jan 23, 2026

Job Description

JLL empowers you to shape a brighter way.  

Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people  and empowering them to  thrive, grow meaningful careers and to find a place where they belong.  Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.   

JLL's Application Security team is looking for an Application Security Engineer to help validate that our services, applications, and websites are designed and implemented to the highest security standards. You will be responsible for analyzing the security of applications and services utilizing industry standard tooling and manual code reviews, vendor-provided solutions, discovering and addressing security issues, building security automation, and quickly reacting to new threat scenarios.

Strong skills across multiple domains will aide you in providing significant contributions to the JLL Application Security team and to multiple groups across JLL. You will have the opportunity to develop and contribute to solutions to interesting business problems and utilize appropriate technologies to drive understanding of the threat profile across JLL products and services.

As an Application Security Engineer you must foster constructive dialogue and find resolution when confronted with challenges and potentially discordant views. Engineers in this role are expected to participate fully in the planning of the Application Security team and constantly seek opportunities for process improvement. A successful candidate will need a combination of technical and communication skills, as well as the ability to handle a mix of disparate tasks which will include Dynamic Application Security Testing, threat modeling, automation, and project work. This role will provide career growth opportunities as you gain new security skills in the course of your duties and working with fellow world-class technologists.

Responsibilities:

  • Application Security Reviews via working with Dynamic Application Security Testing tooling

  • Manual code analysis / reviews across commonly used languages (among them Python, Java, .NET, and more)

  • Review of third-party services (e.g. SaaS-providers)

  • Audit, assessment, and analysis of overall security posture of projects

  • Providing subject matter expertise and guidance in secure software development, including secure coding strategies, security frameworks, and threat modeling

  • Stay up to date with emerging security threats, industry trends, and cutting-edge technologies, translating this knowledge into practical recommendations

  • Researching new technologies and languages when required

  • Engagement and outreach to internal development teams

  • Development and/or review and improvement of application security documentation

  • Security tool automation and development opportunities

  • Assistance with recruiting activities and other administrative work as needed

Basic Qualifications:

  • Bachelor (undergraduate) degree in a relevant field (Computer Science, Software Engineer, Security, or others) OR an equivalent combination of education, training, and experience

  • Minimum of 2 years of professional experience with any combination of at least 2 technical disciplines, including the following: cloud security, network security, application security, mobile security, secure development methodologies, software development and coding, identity management, authentication and authorization, network architecture, system administration, and systems engineering

  • Strong knowledge of secure coding practices including OWASP Top Ten, CWE/SANS Top 25, and common sources of application vulnerabilities.

  • Experience with code review techniques and tools for identifying security vulnerabilities.

  • Strong written and verbal communication skills, with the ability to convey complex security concepts to technical and non-technical stakeholders

Location:

Remote –Lisbon, PRT

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

At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing.

JLL Privacy Notice

Jones Lang LaSalle (JLL), together with its subsidiaries and affiliates, is a leading global provider of real estate and investment management services. We take our responsibility to protect the personal information provided to us seriously. Generally the personal information we collect from you are for the purposes of processing in connection with JLL’s recruitment process. We endeavour to keep your personal information secure with appropriate level of security and keep for as long as we need it for legitimate business or legal reasons. We will then delete it safely and securely.

For more information about how JLL processes your personal data, please view our Candidate Privacy Statement.

For additional details please see our career site pages for each country.

For candidates in the United States, please see a full copy of our Equal Employment Opportunity policy here.

Jones Lang LaSalle (“JLL”) is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities.  If you need a reasonable accommodation because of a disability for any part of the employment process – including the online application and/or overall selection process –  you may email us at HRSCLeaves@jll.com. This email is only to request an accommodation. Please direct any other general recruiting inquiries to our Contact Us page > I want to work for JLL.

Locations

  • Lisbon, Portugal (Remote)

Salary

Estimated Salary Rangemedium confidence

45,000 - 75,000 USD / yearly

Source: AI Estimation

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Dynamic Application Security Testing (DAST)intermediate
  • Manual code analysis/reviewsintermediate
  • Python, Java, .NETintermediate
  • OWASP Top Tenintermediate
  • CWE/SANS Top 25intermediate
  • Code review techniques and toolsintermediate
  • Secure coding practicesintermediate
  • Threat modelingintermediate
  • Secure software developmentintermediate
  • Cloud securityintermediate
  • Network securityintermediate
  • Application securityintermediate
  • Mobile securityintermediate
  • Secure development methodologiesintermediate
  • Software development and codingintermediate
  • Identity managementintermediate
  • Authentication and authorizationintermediate

Required Qualifications

  • Bachelor (undergraduate) degree in a relevant field (Computer Science, Software Engineer, Security, or others) OR an equivalent combination of education, training, and experience (experience)
  • Minimum of 2 years of professional experience with any combination of at least 2 technical disciplines, including the following: cloud security, network security, application security, mobile security, secure development methodologies, software development and coding, identity management, authentication and authorization, network architecture, system administration, and systems engineering (experience)
  • Strong knowledge of secure coding practices including OWASP Top Ten, CWE/SANS Top 25, and common sources of application vulnerabilities (experience)
  • Experience with code review techniques and tools for identifying security vulnerabilities (experience)
  • Strong written and verbal communication skills, with the ability to convey complex security concepts to technical and non-technical stakeholders (experience)

Responsibilities

  • Application Security Reviews via working with Dynamic Application Security Testing tooling
  • Manual code analysis / reviews across commonly used languages (among them Python, Java, .NET, and more)
  • Review of third-party services (e.g. SaaS-providers)
  • Audit, assessment, and analysis of overall security posture of projects
  • Providing subject matter expertise and guidance in secure software development, including secure coding strategies, security frameworks, and threat modeling
  • Stay up to date with emerging security threats, industry trends, and cutting-edge technologies, translating this knowledge into practical recommendations
  • Researching new technologies and languages when required
  • Engagement and outreach to internal development teams
  • Development and/or review and improvement of application security documentation
  • Security tool automation and development opportunities
  • Assistance with recruiting activities and other administrative work as needed

Target Your Resume for "Application Security Engineer" , Jones Lang LaSalle

Get personalized recommendations to optimize your resume specifically for Application Security Engineer. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Application Security Engineer" , Jones Lang LaSalle

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

REQ474774jllcareers

Answer 10 quick questions to check your fit for Application Security Engineer @ Jones Lang LaSalle.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.