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Senior Security Engineer - Red Team; Remote

Remote / Online - Candidates ideally in
Marmara Bölgesi, Turkey (Türkiye)
Listing for: Insider.
Full Time, Remote/Work from Home position
Listed on 2025-12-02
Job specializations:
  • IT/Tech
    Cybersecurity, Cloud Computing, Systems Engineer
Salary/Wage Range or Industry Benchmark: 300000 - 400000 TRY Yearly TRY 300000.00 400000.00 YEAR
Job Description & How to Apply Below
Position: Senior Security Engineer - Red Team (Remote)

Senior Security Engineer - Red Team (Remote)

Before jumping in on all the information about the role and what you can bring to the table, let us introduce ourselves real quick. About Insider: we are a B2B SaaS company that drives growth for its clients around the world. Our platform connects data across channels, predicts future behavior with AI, and individualizes experiences from a single platform. Insider has raised significant funding and is recognized for its leadership in multiple industry rankings.

We are committed to building a socially progressive technology community and collaborating across departments with agile teams.

We are looking for a Security Engineer - Red Team who wants to take their career one step further and work with the world s leading brands with Artificial Intelligence & Machine Learning technologies.

Technical context: we handle high volumes of requests and data, and we maintain a large-scale AI and predictive data footprint. Our engineers and developers are located in Istanbul and Ankara, and we focus on fast, impactful delivery while actively creating opportunities rather than waiting for them.

Senior Security Engineer - Red Team responsibilities
  • performs web, mobile application, and internal penetration testing, source code reviews, threat analysis, and social-engineering assessments
  • supports blue teams when needed
  • researches new attack vectors and stays current with cybersecurity news and trends
  • trains Quality Assurance and Development teams in standard security testing techniques and secure software development
Qualifications
  • 4+ years of working experience in web application security
  • hands-on experience in security testing of Web applications, Web services, Mobile applications, APIs, etc.
  • experience securing REST APIs and web services
  • experience using and implementing SAST/DAST tools such as Fortify, Veracode, Checkmarx, or similar
  • experience conducting penetration tests of information systems using commercial and open-source tools
  • strong understanding of OWASP and SANS standards and remediation guidance
  • experience with secure coding methodologies and their adoption within engineering teams
  • ability to support developers in the SDLC with mitigations for emerging threats
  • ability to review application source code based on static analysis tools
  • engagement in security research to stay current on vulnerabilities and testing tools
  • ability to create detailed, professional vulnerability reports with mitigation strategies
  • capacity to manage multiple projects concurrently and provide strong customer service
  • strong written and verbal English communication skills
  • coding experience in Python, JavaScript, or PHP is a plus
  • familiarity with scripting and automation for application security testing is a plus
  • familiarity with cloud security, particularly AWS concepts, is a plus
  • certifications such as eWAPT, OSCP, OSWE, etc., are a plus
  • ability to work in a team-centric environment with strong critical thinking and analytical skills
  • experience in conducting white, gray, or black box assessments and producing detailed reports with findings and recommendations
  • strong presentation, writing, and communication skills
Benefits and culture
  • Tech Talks and Dev Talks with leaders from the software world
  • Hackathons, programming challenges, and coding competitions
  • Free access to exclusive learning platforms and services
  • Share owner System for eligible employees
  • Inclusive private health insurance
  • Monthly meal support
  • Team activities and a flexible, dress-code-free environment

We provide equal opportunity in a zero-discrimination workplace and welcome everyone regardless of sex, race, color, nationality, religion, gender identity, sexual orientation, disability status, citizenship, or marital status.

Please follow Insider on Linked In, Instagram, You Tube, and Medium. We may use AI tools to support parts of the hiring process, but final hiring decisions are made by humans. For information about data processing, please contact us.

Seniority level
  • Not Applicable
Employment type
  • Full-time
Job function
  • Information Technology
  • Industries:
    Software Development

Referral note:
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Position Requirements
10+ Years work experience
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