Senior Application Security Engineer - Penetration Testing, Mobile & API Security
Lead application security testing in large enterprise environments, conducting end-to-end penetration tests and vulnerability assessments. Execute comprehensive security evaluations of web applications, APIs, and mobile platforms with actionable remediation guidance. Requires 7+ years of hands-on experience and advanced proficiency in security testing tools and methodologies.
Key Highlights
Key Responsibilities
Technical Skills Required
Benefits & Perks
Nice to Have
Job Description
Senior Application Security Engineer - Application Penetration Testing, Mobile Application Penetration Testing, Vulnerabilities, and API in large enterprise environment.
100% Remote
Contract
Pay Range - $65 - $85/HR
Required Skills
- 7+ years of hands-on penetration testing experience, focused on web applications and APIs in large enterprise environments
- Demonstrated experience executing end-to-end penetration tests (scoping, exploitation, validation, reporting)
- Strong working knowledge of web application vulnerabilities (e.g., OWASP Top 10, authentication/authorization flaws, injection attacks)
- Proficiency with core security testing tools, including Burp Suite (advanced usage required), Nmap, and common exploitation frameworks
- Experience writing scripts or automations in Python or Go to support testing workflows
- Ability to clearly document findings with actionable remediation guidance for engineering teams
- Experience partnering with engineering teams to validate and remediate vulnerabilities
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Strongly Preferred
- Experience testing mobile applications, hardware/embedded systems, or third-party/vendor platforms
- Familiarity with PCI-related penetration testing requirements and compliance contexts
- Experience contributing to or supporting bug bounty programs (triage, validation, escalation)
- Exposure to threat modeling and ability to identify risk areas pre-deployment
Relevant certifications such as OSCP, OSCE, OSWE, or CISSP
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Benefits:
York Solutions Offers a generous benefits package for eligible full-time employees:
- BCBS Medical with 3 Plans to choose from (PPO and High deductible PPO plans with Health Savings Program)
- Delta Dental plan with 2 free cleanings and insurance discounts
- Eye Med Vision with annual check-ups and discounts on lens
- Life and Accidental Death Insurance paid by company
- John Hancock 401(k) Retirement Plan with discretionary company match
- Voluntary Insurance programs such as: Hospital Indemnity, Identity Protection, Legal Insurance, Long Term Care, and Pet Insurance.
- Flexible work environment with some remote working opportunities
- Strong fun and teamwork environment
- Learning, development, and career growth
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