Senior Application Security Researcher Jobs

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Senior Security Researcher - ITDR (Cortex)

We are looking for a Senior Security Researcher to join our Identity Threat Dete...

Location

Israel , Tel Aviv

Salary:

Not provided

Palo Alto Networks

Expiration Date

Until further notice

Requirements

At least 5 years’ experience with Active Directory security and identity related attacks
2+ years of experience with Entra ID (formerly Azure AD) or SAAS application - Advantage
In-depth knowledge of the inner-workings of operating systems
In-depth Knowledge of network protocols, including but not limited to Kerberos, RPC, SMB, HTTP, SMTP, DNS, DHCP, etc
In-depth knowledge of enterprise infrastructure, including Active Directory, FW, VPN, Security products, etc
At least 2 Years of experience coding Python - Advantage
Strong knowledge of SQL language - Advantage
Experience with red-teaming / pentest of Entra ID - Advantage
Experience with machine learning / data analysis / cloud infrastructure / security - Advantage
Ability to drive and own projects from start to finish

Job Responsibility

Research the evolving threat landscape and develop advanced detections to protect SAAS, Cloud, on-premises, and hybrid identities
Focus on identifying and mitigating identity-related threats across networks, endpoints, and cloud environments, using statistical classification methods to build effective detection models and protecting customers at scale
Collaborate with cross-functional teams, validate detection concepts on real-world data, and continuously enhance detection capabilities to stay ahead of emerging threats
Research innovative methods for detecting targeted attackers operating in endpoints, networks, cloud and SAAS environments
Simulate real-world attacks in lab environments and conduct a deep analysis of the behavior
Develop and refine statistics-based classification algorithms and techniques to create and improve detection models
Research specific scenarios to enhance our model's capabilities
Collaborate within a diverse research group, improving our research processes and leading us to be a better team creating a better product
Stay informed on the latest APTs, attacker methodologies, and TTPs to ensure our models stay ahead of emerging threats

Senior Security Research Engineer

Senior Security Research Engineer position at HPE's Security Lab in Bristol, UK....

Location

United Kingdom , Bristol

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

PhD (or equivalent research experience)
8+ or more years of experience
Track record of innovation driven into products
Experience as a technical leader
Knowledge of system security techniques and principles
Good knowledge of computer architecture, operating systems, networking, application of AI to security or security of AI
Good implementation skills with experience in Python, Rust, C, Go
Good written and verbal communication skills
mastery in English
Comfortable presenting to executives, technologists and customers

Job Responsibility

Define research agenda and take lead on research projects
Lead design of systems and solutions with colleagues
Own implementation of significant components
Build robust product-ready prototypes to test and demonstrate ideas
Research and develop foundational security capabilities for HPE products and services
Collaborate with business units, supply chain, partners and open-source community

What we offer

Health & Wellbeing benefits
Personal & Professional Development programs
Unconditional Inclusion environment
Comprehensive suite of benefits supporting physical, financial and emotional wellbeing

Fulltime

Senior Security Research Engineer

We are seeking a senior technologist to join the Security Lab in HPE Labs. This ...

Location

United Kingdom , Bristol

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

PhD (or equivalent research experience) plus 10 or more years of experience
track record of innovation driven into products
experience as a technical leader
application of AI to security or security of AI
excellent knowledge of system security techniques and principles
strong implementation skills with experience in one or more of the following: Python, Rust, C, Go
excellent knowledge of computer architecture, operating systems and networking
excellent written and verbal communication skills
comfortable presenting to executives, technologists and customers
excellent analytical and problem-solving skills

Job Responsibility

Define a research agenda and take the lead on research projects
build advanced security capabilities for HPE products and customers
collaborate with business units, supply chain, partners, and the open-source community
build robust product-ready prototypes to test and demonstrate ideas
lead the design of systems and solutions
inspire and motivate others.

What we offer

Comprehensive suite of health & wellbeing benefits
personal & professional development programs
unconditional inclusion
flexibility to manage work and personal needs.

Fulltime

Senior Application Security Analyst

The Senior Application Security Analyst, VP position is part of CISO organizatio...

Location

United States , Irving

Salary:

125760.00 - 188640.00 USD / Year

Citi

Expiration Date

December 31, 2025

Requirements

At least 6+ years of relevant experience in web development, source code review, or application security testing
Deep understanding and proven expertise in application security principles, common vulnerabilities (e.g., OWASP Top 10, CWE), and secure coding practices
Development background in Java/J2EE, C#, .NET (and other relevant enterprise languages like Python, JavaScript/Node.js) in an enterprise environment
Strong understanding of DevSecOps principles, CI/CD pipelines, and integrating automated security tools, including AI/ML-driven solutions, into the Software Development Life Cycle
Experience using commercial enterprise automated security testing tools such as Burp, Fortify, Checkmarx, Blackduck, Snyk
Proficiency in leveraging SAST tools and experience with manual code review techniques and tools/IDEs to identify complex vulnerabilities
Demonstrated experience in AI/ML development, including data modeling, algorithm design, and implementation using Python and relevant libraries/frameworks (e.g., TensorFlow, PyTorch, scikit-learn)
Professional certifications, such as CISSP, CSSLP (highly preferred), GIAC, CEH or willingness to obtain
At least Bachelor's degree/University degree or equivalent experience

Job Responsibility

Perform Static Application Security Testing (SAST) and Dynamic Application Security Testing (DAST)
Conduct in-depth manual source code reviews to identify vulnerabilities
Review and validate automated testing results and prioritize actions that resolve issues based on overall risk
Identify opportunities to automate, develop custom rules and standardize information security controls
Design, develop, and implement AI/ML-driven utilities and models to enhance source code analysis
Write formal security assessment report for each application
Direct the development and delivery of secure solutions by coordinating with business and technical teams
Manage and execute security assessments for multiple projects simultaneously
Research and explore new testing tools and methodologies
Act as a mentor to the junior team members

What we offer

Medical, dental & vision coverage
401(k)
Life, accident, and disability insurance
Wellness programs
Paid time off packages including vacation, sick leave, and paid holidays
Discretionary and formulaic incentive and retention awards

Fulltime

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Senior Product Security Engineer

Join our Product Security team, where you'll partner with development and game t...

Location

United States , Las Vegas

Salary:

Not provided

Take-Two Interactive Software, Inc.

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Information Technology, or a similar field, or equivalent experience
At least 5 years of demonstrated experience in application security, ideally within the gaming or technology sectors
Validated expertise in pentesting, security architecture, risk management, and securing CI/CD pipelines
Extensive knowledge of common and complex security vulnerabilities, along with effective mitigation techniques
Ability to translate design documents into security-focused guidelines and requirements for product development
Adapt quickly to new technologies, languages, and solve challenges outside your expertise

Job Responsibility

Develop threat models for a variety of applications and games to prioritize scope and use cases for security testing
Execute hands-on penetration tests and red team exercises to identify vulnerabilities in applications, infrastructure, and services
Conduct manual and automated secure code reviews in languages such as C#, Java, Python, and JavaScript, providing clear, actionable guidance to developers on vulnerability remediation
Triage, validate, and manage vulnerability reports from our bug bounty program, working with external researchers and internal teams on resolution
Develop and implement security automation tools to improve the efficiency and effectiveness of security processes
Provide security architecture and design guidance to development teams, ensuring secure coding practices are followed
Partner with teams to define and execute security strategy, driving security priorities across the organization
Stay ahead of emerging security threats, seeking and advocating for new technologies to address complex risks

What we offer

Medical (HSA & FSA)
dental
vision
401(k) with company match
employee stock purchase plan
commuter benefits
in-house wellness program
broad learning & development opportunities
a charitable giving platform with company match
Fitness allowance

Fulltime

Senior Product Security Engineer

Ready to make an impact on the security of products from the ground up? Join our...

Location

United States , Austin

Salary:

Not provided

Take-Two Interactive Software, Inc.

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Information Technology, or a similar field, or equivalent experience
At least 5 years of demonstrated experience in application security, ideally within the gaming or technology sectors
Validated expertise in pentesting, security architecture, risk management, and securing CI/CD pipelines to ensure seamless and secure software delivery
Extensive knowledge of common and complex security vulnerabilities, along with effective mitigation techniques
Ability to translate design documents into security-focused guidelines and requirements for product development
Adapt quickly to new technologies, languages, and solve challenges outside your expertise
Travel: No routine travel required
occasional travel as needed.

Job Responsibility

Develop threat models for a variety of applications and games to prioritize scope and use cases for security testing
Execute hands-on penetration tests and red team exercises to identify vulnerabilities in applications, infrastructure, and services
Conduct manual and automated secure code reviews in languages such as C#, Java, Python, and JavaScript, providing clear, actionable guidance to developers on vulnerability remediation
Triage, validate, and manage vulnerability reports from our bug bounty program, working with external researchers and internal teams on resolution
Develop and implement security automation tools to improve the efficiency and effectiveness of security processes
Provide security architecture and design guidance to development teams, ensuring secure coding practices are followed
Partner with teams to define and execute security strategy, driving security priorities across the organization
Stay ahead of emerging security threats, seeking and advocating for new technologies to address complex risks.

What we offer

Medical (HSA & FSA), dental, vision, 401(k) with company match, employee stock purchase plan, commuter benefits, in-house wellness program, broad learning & development opportunities, a charitable giving platform with company match
Fitness allowance, employee discount programs, discounted games & events and stocked pantries.

Fulltime

Senior AI Security Engineer

Senior AI Security Engineer role in Citi's Application, Platform and Engineering...

Location

United Kingdom , London

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Production system builder with security focus - proven track record of architecting and building secure, large-scale production applications and business-facing platforms from the ground up
Ethical hacking and penetration testing expertise - hands-on experience finding and exploiting vulnerabilities, conducting red team exercises
State-of-the-art security engineering with Go, Python, JavaScript
HashiCorp Vault mastery - deep experience writing custom plugins, creating secrets engines, implementing dynamic credentials
Enterprise authentication & authorization - designing and implementing OAuth, JWT, RBAC, and complex identity systems
API security and threat modelling - securing REST/GraphQL APIs, conducting threat assessments
AI/ML security and vulnerability research - understanding of LLM vulnerabilities, model security, prompt injection attacks
Security automation and tooling – automating manual security processes
Cloud-native security - securing containerized applications in Kubernetes, service mesh security
Incident response and forensics - experience investigating, analyzing, and responding to security incidents

Job Responsibility

Build secure AI products from 0-1 - Engineer production-grade, business-facing AI platforms with security built-in from day one
Conduct ethical hacking and red team activities - penetration testing, vulnerability research, and attack simulation
Design and build security tools and frameworks - Create automated security solutions that scale across fast-paced development cycles
Secure novel AI attack surfaces - Identify and mitigate LLM-specific vulnerabilities, prompt injection attacks, and AI model security risks
Lead 'shift left' security - Embed security practices throughout rapid development lifecycle while maintaining velocity
Mentor security practices - Guide other engineers on secure coding, vulnerability remediation, and security-first thinking

What we offer

27 days annual leave (plus bank holidays)
Discretional annual performance related bonus
Private Medical Care & Life Insurance
Employee Assistance Program
Pension Plan
Paid Parental Leave
Special discounts for employees, family, and friends
Hybrid working model (up to 2 days working at home per week)
Competitive base salary (annually reviewed)

Fulltime

Senior Application Full Stack Developer

The Senior Application Full Stack Developer role involves designing and developi...

Location

Canada , Mississauga

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

5+ years of experience as a Senior Java Developer with hands on end to end solutions
Hands on experience using Core java, Server side Java, Javascript, MVC Pattern, Spring Framework
Diverse experience utilizing tools in Microservices architecture applications using Spring Boot, Spring Cloud config, Netflix OSS components (Eureka, Zuul, Hystrix), Pivotal Cloud Fundry, ZooKeeper, AWS etc.
Role requires overcoming obstacles through collaboration, research/ testing and communication with ability to negotiate solutions
Individual must have experience working in a high pressure, fast paced 'Global' environment providing daily support to multiple competing priorities
Excellent interpersonal, oral and written communication skills
5+ years of Oracle RDBMS design and development skills with excellent knowledge in store procedures, PL/SQL, triggers and performance tuning
Experience migrating Oracle RDBMS to ECS cloud and NoSQL database
Architect and hands on technical experience in implementing large volume real time complex solutions in Big Data Platforms & Public Cloud platforms would be a huge asset
5+ years hands on experience in ETL functionalities including experience with tools like Talend, Infomatica, spark etc.

Job Responsibility

Responsible for design and development as a full stack java developer to build very high volume low latency enterprise applications that can adapt and scale to changing market conditions
Responsible for delivery of application technology solutions and data information planning effort, owns the technical development environment and works with the Enterprise team to deliver in a fast paced time bound manner
Help ensure high quality software delivery by providing guidance on testing strategy, technical consultation to plan/design performance testing, and providing feedback/guidance for tuning performance and other non-functional elements of the application
Migration of application functionalities that are part of large monolithic systems, running on WebLogic, into an ecosystem of Microservices using the latest technologies, and/or a combination of microservices and monoliths where applicable
Understanding the client requirements and envision the solution that can be captured as respective user stories in JIRA
Understanding the impact of adapting different architectures and designs and present the same to all relevant stakeholders
Management of both functional and technical requirements while deciding on technical solutions
Development of solutions following established technical design, application development standards and quality processes in projects
Building test automation suites to reduce the regression effort of the QA team
Identification of existing system bottlenecks and deficiencies, devise and implement robust solutions to address these shortcomings

Senior Application Security Researcher

JFrog

Location:
Israel , Netanya/Tel Aviv

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 26, 2025

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Senior Application Security Researcher

JFrog

Location:Israel , Netanya/Tel Aviv

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:December 26, 2025

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Location:
Israel , Netanya/Tel Aviv

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
December 26, 2025