Application Security Engineer

Job#: 3012900

Job Description:

Apex Systems is currently hiring for an Application Security Architect with a reputable financial services client.

We're looking for an Application Security Architect with a strong development and systems engineering background who has transitioned into security. This role focuses on building and automating threat models for large-scale enterprise systems, leveraging Python, cloud platforms (AWS/Google Cloud Platform), and GenAI tools to embed security into pipelines and microservices. Ideal candidates can deconstruct complex architectures, integrate APIs, and rapidly pivot to secure emerging technologies.

Qualified candidates will have the following experience and skills:

Background: Former developer who transitioned into cybersecurity or architecture, with strong systems engineering fundamentals.

Technical Skills:

• Proficiency in scripting and data manipulation (Python required; ability to read Java and C# preferred).
• Experience automating processes using GenAI for code risk scanning and security analysis.
• Ability to build and integrate APIs, embed security logic into pipelines, and automate AppSec workflows.

Enterprise Systems Knowledge:

• Deep understanding of building and securing large-scale enterprise systems (2M+ endpoints).
• Familiarity with middleware technologies (e.g., WebLogic, Tomcat, WebSphere, MQ).

Threat Modeling:

• Hands-on experience with tools such as Threat Modeler, Microsoft Threat Modeling Tool, or OWASP Threat Dragon.
• Knowledge of methodologies like STRIDE, PASTA, or similar.

Cloud Expertise:

• Engineering experience with AWS, Azure or Google Cloud Platform

GenAI Readiness:

• Practical experience leveraging GenAI tools (e.g., ChatGPT or similar) for real-world optimization or automation tasks.
• Ability to pivot rapidly and adapt to evolving organizational needs.

Locations: Charlotte, NC | Iselin, NJ | Irving, TX

Onsite expectation: HYBRID - 3 days onsite weekly/ 2 days remote

Pay range: $60-$64/hr W2

Note:We are unable to consider C2C or third-party submissions.

If you are interested, please apply here or email an updated copy of your resume to

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.