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Added 32 mins ago
Software Development Engineer, Leo Space Security
Amazon
Arlington, VA · Herndon, VA
We are looking for a software development engineer to join the founding cohort of the Engineering and R&D team within Leo Space Security. The team defends the manufacturing lines, launch…
Added 21 hours ago
IT Offensive Security Engineer III (Must Reside in Texas)
Randolph-Brooks Federal Credit Union
United States
Randolph-Brooks Federal Credit Union is currently searching for an experienced and talented Offensive Security Engineer III to join our amazing IT Security team!
Added 22 hours ago
C
Senior Security Engineer, Infrastructure Security
ClickUp
Remote, United States
- $160,000 to $210,000 USD / year
- Offensive security or red-team experience in cloud and Kubernetes environments.
Added 1 day ago
Senior Red Team AI Security Engineer
Beth Israel Lahey Health, Inc.
United States
Certified Ethical Hacker (CEH), OSCP, OSEP, or similar offensive security certifications
Added 1 day ago
Global Red Team Senior AI Engineer, Vice President
MUFG Bank, Ltd.
Jersey City, NJ · Tempe, AZ
Evaluate AI-assisted offensive and defensive tooling for operational value, misuse potential, data handling risk, and alignment with enterprise security governance.
Added 1 day ago
Senior Attack Engineer, GCP
Horizon3
Remote, United States
- Collaborate closely with software engineers, attack engineers, and offensive security SMEs to bring new capabilities into production.
Added 1 day ago
Senior Attack Engineer, Kubernetes
Horizon3
Remote, United States
We’re looking for a senior offensive security engineer to lead the development of Kubernetes attack capabilities in NodeZero. You’ll research how attackers move from a compromised workload…
Added 1 day ago
Senior Attack Engineer, OCI
Horizon3
Remote, United States
- Collaborate closely with software engineers, attack engineers, and offensive security SMEs to bring new capabilities into production.
Added 1 day ago
Pentesting Engineer
Bechtel Corporation
Glendale, AZ
This is a hands-on build-and-break role for someone early in their security career who thrives on figuring out how systems fail. Working under the direction of senior testers, you will…
Added 1 day ago
Pentesting Engineer
Bechtel
Glendale, AZ
This is a hands-on build-and-break role for someone early in their security career who thrives on figuring out how systems fail. Working under the direction of senior testers, you will…
Added 1 day ago
Snr Cybersecurity Consultant Engineer (Architecture, Infrastructure and Remediation)
LevelBlue LLC
United States
…world’s most analyst-recognized and largest pure-play managed security services provider, LevelBlue elevates client outcomes that matter: stronger defense, faster response, and sustained…
Added 1 day ago
Cybersecurity Engineer
SemiAnalysis
New York City, NY · San Francisco, CA · Chicago, IL
SemiAnalysis is hiring its first dedicated Cybersecurity Engineer, covering both SemiAnalysis and Citrini. You will own the security of two research businesses end to end: our paywalled…
Added 1 day ago
Staff Software Engineer, Chainguard Harness
Chainguard
Remote, United States
Strong communication skills and proficiency in English. You can explain a security model to an engineer, a security reviewer, and a customer's CISO, and you work autonomously, take…
Added 1 day ago
U
Manager II, Security Engineering - Engineer
Uber
Seattle, WA
- $232,000 to $258,000 USD / year
…active threats, critical vulnerabilities, insider risks, and security incidents involving large-scale fraud. Serve as a senior escalation point and assume command when…
Added 1 day ago
Distinguished Engineer, AI Security Systems (Remote)
CrowdStrike
Austin, TX
We are seeking a Distinguished Engineer who has built AI and security systems that operate in the real world and stop real adversaries.
Added 1 day ago
Lead SRE
FlightSafety International Inc
Seattle, WA
…reliability, code-ification, and continuous delivery of our enterprise security tooling - replacing legacy, one-off consulting work with modern software engineering practices. As our…
Added 2 days ago
Senior Security Engineer, Red Team
Nscale
NY
We're hiring a Senior Security Engineer to join Nscale's Red Team, part of the global CISO organisation. Working closely with the Red Team Lead and your teammates, you'll deliver offensive…
Added 2 days ago
F
Federal Enterprise Account Executive
Fortreum
Reston, VA
- $165,000 to $200,000 USD / year
- Technical familiarity with offensive security methodologies (e.g., MITRE ATT&CK framework) sufficient to qualify Red Teaming and Penetration Testing opportunities with a Solutions…
Added 2 days ago
T
Senior/Staff Forward Deployed Engineer
Twenty
Fort Meade, MD
- $192,000 to $281,000 USD / year
…used by operators and analysts working against hard national security…
Added 2 days ago
A
AI - Cybersecurity Forward Deployed Engineer - FDE Senior Manager
Accenture
Nashville, TN
- $132,500 to $366,300 USD / year
This is not a security consulting role. It is not a compliance advisory position. It is not a pen test engagement. A Cybersecurity Forward Deployed Engineer is a production engineer who…
Added 2 days ago
Lead Agentic AI Offensive Security Engineer
Hewlett Packard Enterprise
Spring, TX · San Jose, CA · Durham, NC · Andover, MA · Fort Collins, CO · Frisco, TX
HPE’s Cybersecurity team is seeking a Lead Agentic AI Engineer to design, enhance and support the technical direction of our AI-Enabled Offensive security organization. Using your expertise…
Added 3 days ago
Senior Cyber Data Capabilities Developer
Peraton
Fort Meade, MD
Peraton seeks a Senior Cyber Data Capabilities Developer to support DCDC with developing and implementing software capabilities for big data processing and cyberspace data analysis.…
Added 3 days ago
M
Software Engineer, AI Developer Platform
Mirage
New York, NY
- $175,000 to $300,000 USD / year
Mirage is hiring a backend engineer to rebuild how we ship software as AI agents dramatically increase the volume of code we produce. You’ll own the path from commit to production, ensuring…
Added 3 days ago
Senior Security Engineer
Runware
Remote, United States
As Senior Security Engineer, you will own the security of Runware's AI supercomputer: the bare-metal GPU fleet, the Sonic Inference Pods it lives in, the managed Kubernetes clusters we hand…
Added 3 days ago
J
Principal Offensive Security Engineer
Jobgether
Remote, United States
- $183,000 to $200,000 USD / year
…applications and next steps. Our partner is looking for a Principal Offensive Security Engineer based in the United…

Closed listing

Sherwin-Williams

Sr. Application Security Engineer / Ethical Hacker

Cleveland, OH, United States

Remote

This opening has closed.

The original listing is kept below for reference.

Find open jobs More jobs with this employer

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Job details

Workplace: Remote
Closing date: Nov 6, 2026
Experience: 5+ years of experience in application security, including hands-on experience performing application penetration testing or offensive security assessments
Posting language: English
Posted: Oct 30, 2026

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Original job description

Archived listing. The details below describe a past opening.

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

At Sherwin-Williams, our purpose is to inspire and improve the world by coloring and protecting what matters. Our paints, coatings and innovative solutions make the places and spaces in our world brighter and stronger. Your skills, talent and passion make it possible to live this purpose, and for customers and our business to achieve great results. Sherwin-Williams is a place that takes its stability, growth and momentum and translates it to possibility for our people. Our people are behind the strength of our success, and we invest and support you in:

Life … with rewards, benefits and the flexibility to enhance your health and well-being Career … with opportunities to learn, develop new skills and grow your contribution Connection … with an inclusive team and commitment to our own and broader communities It's all here for you... let's Create Your Possible

At Sherwin-Williams, part of our mission is to help our employees and their families live healthier, save smarter and feel better. This starts with a wide range of world-class benefits designed for you. From retirement to health care, from total well-being to your daily commute - it matters to us. A general description of benefits offered can be found at http://www.myswbenefits.com/. Click on “Candidates” to view benefit offerings that you may be eligible for if you are hired as a Sherwin-Williams employee.

Compensation decisions are dependent on the facts and circumstances of each case and will impact where actual compensation may fall within the stated wage range. The wage range listed for this role takes into account the wide range of factors considered in making compensation decisions including skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. The wage range, other compensation, and benefits information listed is accurate as of the date of this posting. The Company reserves the right to modify this information at any time, with or without notice, subject to applicable law.

Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable federal, state, and local laws including with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act where applicable.

Sherwin-Williams is proud to be an Equal Employment Opportunity employer. All qualified candidates will receive consideration for employment and will not be discriminated against based on race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, age, pregnancy, genetic information, creed, marital status or any other consideration prohibited by law or by contract.

As a VEVRAA Federal Contractor, Sherwin-Williams requests state and local employment services delivery systems to provide priority referral of Protected Veterans.

Please be aware, Sherwin-Williams recruiting team members will never request a candidate to provide a payment, ask for financial information, or sensitive personal information like national identification numbers, date of birth, or bank account numbers during the application process.

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