Security Engineer - Application Security

600 Mobility Tech Solutions LLC; United States; Remote; USD 90,000 - 120,000; Full time

Job summary

600 Mobility Tech Solutions LLC is seeking a Security Engineer – Application Security to join their Cyber Security team in Pittsburgh. This role focuses on building a robust AppSec program and engineering solutions that secure the software development lifecycle.

The ideal candidate will have over 5 years of experience in web application development and a strong grasp of secure coding practices. The position offers competitive compensation and an inclusive work environment.

Qualifications

• Minimum of 5 years in web application development.
• Experience with application security testing techniques.
• Strong problem-solving and team collaboration skills.

Responsibilities

• Build, deploy, and maintain security tooling.
• Collaborate with development teams on secure coding.
• Automate penetration testing for vulnerability reduction.
• Lead secure code reviews and threat modeling efforts.
• Contribute to vulnerability detection and remediation.

Skills

Web application development (.NET, Python, Java)

Secure SDLC

DAST

SAST

Web application penetration testing

Secure coding

Source code analysis

Strong communication skills

Education

BA degree in a related field

Job description

Security Engineer – Application Security

Fragomen is seeking a Security Engineer – Application Security to join our talented Cyber Security team in our Technology Innovation Lab in Pittsburgh. We are looking for professionals who are passionate about security, capable of effecting change, ready to build a strong AppSec program, and eager to help engineer solutions that secure software development, identify threats, and mitigate vulnerabilities throughout our environment.

Location: Pittsburgh, PA

Responsibilities

• Build, deploy, and maintain tooling to validate and track security controls in and around our code.
• Work closely with application development and infrastructure architectural teams to create code that is secure by design and default.
• Triage programmatic source code findings and automate penetration testing to reduce the potential introduction of vulnerabilities.
• Lead and collaborate with developers on secure coding techniques and threat modeling.
• Contribute to vulnerability detection and remediation of technological offerings.
• Deploy developed or OTS security applications to support our efforts.
• Participate in a cross‑functional response to cyber security incidents.
• Work closely with the security team to establish prevention, detection, and mitigation techniques.
• Support the scoping and rules of engagement of our penetration testing regime.

Qualifications

• A passionate team player who builds knowledge and solves complex problems.
• 5+ years of web application development (.NET, Python, Java, etc.).
• Experience with Secure SDLC (Software Development Life Cycle), DAST (Dynamic Application Security Testing), and SAST (Static Application Security Testing).
• Demonstrated understanding of web application penetration testing, secure coding, and source code analysis.
• Strong, professional communication skills that remain effective under pressure.

Optional / Preferred

• Experience in developing highly automated detection and triage tools.
• Deep understanding of cyber security techniques.
• Technical certification demonstrating expertise in secure software development, such as CSSLP, CASE, or similar.
• BA degree in a related field or a combination of related experience is a must.

EEO Statement

Fragomen is committed to promoting diversity, inclusion, and equal opportunity for all employees and applicants, regardless of race, ethnicity, heritage, gender, age, religion, disability, sexual orientation, gender identity or intersex status.