Sr. Application Security Engineer / Ethical Hacker

About the role

The Senior Application Security Engineer position is responsible for planning and performing manual penetration testing of traditional and AI-enabled applications, identifying and validating security vulnerabilities, and partnering with development teams to support remediation. This position will also develop scripts, automation, and custom tools that improve application security testing capabilities and provide technical guidance and mentorship to other members of the Application Security team.

Strategy & Planning

Acquire and interpret functional, technical, and architectural requirements to plan application security assessments

Develop testing strategies and test plans based on application functionality, architecture, data flows, and identified risks

Maintain advanced knowledge of application security testing methodologies, tools, and emerging attack techniques

Research risks and testing techniques associated with traditional and AI-enabled applications

Identify opportunities to improve penetration testing methodologies, testing effectiveness, and offensive security capabilities

Acquisition & Deployment

Evaluate, configure, and use offensive security tools to support application penetration testing

Develop and maintain scripts, automation, and custom tools to improve testing efficiency and effectiveness

Establish and maintain testing environments, payloads, and supporting technical resources

Evaluate new application security and AI security testing tools and techniques

Assist in developing repeatable testing procedures, methodologies, and technical standards

Operational Management

Plan and execute penetration tests of traditional and AI-enabled applications end-to-end

Identify, exploit, validate, and document application security vulnerabilities

Evaluate attack paths and application-specific risks that may not be identified through automated testing

Communicate technical findings, risk, and remediation recommendations to stakeholders

Retest applications and validate remediation of application security findings

Review assessment results and provide technical guidance to other members of the Application Security team

Track and report metrics related to assessment status, testing coverage, findings, and remediation progress

Incidental Functions

Create and maintain penetration testing documentation, methodologies, runbooks, and standard operating procedures

Mentor and provide technical guidance to less-experienced Application Security team members

Participate in team planning, retrospectives, and knowledge-sharing activities

Support Security Champions in reinforcing secure development and AI security practices

Assist with evaluating security tools, technologies, and service providers

Perform project and task tracking and reporting as necessary

This is a remote position.

This position is not eligible for sponsorship for work authorization now or in the future, including conversion to H1-B visa. Must be legally authorized to work in the country of employment without needing sponsorship for employment work visa status now or in the future.

Job duties include contact with other employees and access confidential and proprietary information and/or other items of value, and such access may be supervised or unsupervised. The Company therefore has determined that a review of criminal history is necessary to protect the business and its operations and reputation and is necessary to protect the safety of the Company’s staff, employees, and business relationships.

EDUCATION AND EXPERIENCE

Required:

Bachelor’s Degree (or foreign equivalent) or in lieu of a degree, at least 12 years in experience in the field of Information Technology or Business (work experience or a combination of education and work experience in the field of Information Technology or Business)

5+ years IT and/or cybersecurity

5+ years of experience in application security, including hands-on experience performing application penetration testing or offensive security assessments

Advanced knowledge of:

Web applications, APIs, and common application security vulnerabilities

Manual application penetration testing methodologies and techniques

Authentication, authorization, session management, and application business logic

Software Development Lifecycle (SDLC) and secure development practices

AI Architecture and model training processes

Experience planning and conducting application penetration tests end-to-end, including assessments of cloud-native applications and other modern application architectures

Experience identifying, exploiting, validating, and documenting application security vulnerabilities

Experience developing scripts, automation, or custom tools using one or more languages

Experience using application security and offensive security testing tools

Experience communicating technical findings, risk, and remediation recommendations to technical and non-technical stakeholders

Ability to work independently and collaboratively with development teams, security teams, and other stakeholders

Experience mentoring and providing technical guidance to less-experienced professionals

Experience conducting threat modeling and evaluating complex application attack paths

Must be legally authorized to work in the United States without company sponsorship

Must be at least eighteen (18) years of age

Preferred Experience

Offensive Security Certified Professional (OSCP) certification strongly preferred

Experience performing security testing of AI-enabled applications, LLMa, or related technologies

Experience testing mobile applications and legacy industrial systems

Experience reviewing source code to identify security vulnerabilities

Experience developing proof-of-concept exploits or modifying security testing tools

Additional offensive security or application security certifications

Posting text as published by Sherwin-Williams.

The evidence behind this listing

Workplace

Remote Matched in posting text

Seniority

senior From the job title

Employment type

Not established

Location as listed

Cleveland, OH, United States

Pay and work authorization

Stated pay

Not stated

Visa sponsorship

Not stated

Security clearance

Not established

Citizenship

Not established