CrawlJobs Logo

Senior Offensive Security Engineer

Poland, Warszawa Employment contract · Job Posted February 04, 2026
Apply Position
Job Link Share

Job Description

As a Senior Offensive Security Engineer, you will be a key member of our corporate central monitoring and overseeing team. Your role is to provide expert oversight and ensure the quality and effectiveness of our offensive security activities. You will act as a subject matter expert, guiding the organization in proactively identifying and mitigating complex security threats.

Job Responsibility

  • Critically assess multiple penetration test reports from various internal and external teams to ensure the quality, accuracy, and completeness of the findings
  • Evaluate the efficacy of penetration testing teams and vendors to build a panel of trusted, high-quality security partners
  • Conduct independent, hands-on penetration tests to validate the quality of assessments performed by other teams
  • Support the development and implementation of the corporate cybersecurity resilience roadmap by providing an adversarial perspective
  • Serve as a key liaison between the central cybersecurity team and business stakeholders, clearly articulating risks and recommendations to peers and senior management
  • Interface with development and infrastructure teams to strengthen secure development and operational practices throughout the organization

Requirements

  • 4-8 years of professional industry experience
  • At least 5 years dedicated to cybersecurity roles
  • Extensive, hands-on experience and deep technical knowledge in penetration testing
  • Wide-ranging security knowledge base, primarily focused on enterprise IT
  • Excellent written and verbal communication skills in English
  • Proven ability to create high-quality reports and present complex technical findings
  • Strong analytical skills to assess reports, identify patterns, and evaluate effectiveness
  • Passion for continuous learning
  • Relevant industry certifications such as OSCP, GPEN, GWAPT, GXPN, or CISSP are highly desirable
  • Experience in Red Teaming, threat modeling, or vulnerability research
  • Familiarity with major cloud platforms (AWS, Azure, GCP) and their security services
  • Knowledge of cybersecurity frameworks like the MITRE ATT&CK framework
  • Experience working within a large, global corporate environment

Nice to have

  • Relevant industry certifications such as OSCP, GPEN, GWAPT, GXPN, or CISSP are highly desirable
  • Experience in Red Teaming, threat modeling, or vulnerability research
  • Familiarity with major cloud platforms (AWS, Azure, GCP) and their security services
  • Knowledge of cybersecurity frameworks like the MITRE ATT&CK framework
  • Experience working within a large, global corporate environment

What we offer

  • Annual bonus
  • Hybrid work with flexible working hours
  • Referral Bonus Program
  • Copyright costs for IT employees
  • Professional support and possibility to share knowledge and best practices
  • Ongoing development opportunities in a multinational environment
  • Broad access to professional trainings (incl. language courses), conferences and webinars
  • Private medical care and life insurance
  • Cafeteria System with multiple benefits (incl. MultiSport, shopping vouchers, cinema tickets, etc.)
  • Prepaid Lunch Card
  • Number of benefits for families (for instance summer camps for kids)
  • Non-working day on the 31st of December

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Senior Offensive Security Engineer

8 matching positions

Senior Offensive Security Engineer

Join us in building the future of finance. Our mission is to democratize finance...
Location
Location
United States , Menlo Park
Salary
Salary:
187000.00 - 220000.00 USD / Year
robinhood.com Logo
Robinhood
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of professional experience in red teaming or offensive security roles
  • Demonstrated ability to communicate security risks effectively across multiple audiences, from engineers to executives
  • Strong programming skills in at least one language (e.g., Python, Go, JavaScript)
  • Deep familiarity with security concepts across MacOS, Linux, cloud platforms (AWS, GCP), CI/CD, and container orchestration systems (e.g., Kubernetes)
  • Experience with detection evasion, vulnerability research, and exploit development
  • Ability to plan and execute long-term, stealthy red team campaigns in black-box environments
  • Strong understanding of MITRE ATT&CK and other industry frameworks
  • Commitment to fixing—not just finding—security issues
Job Responsibility
Job Responsibility
  • Lead and execute red team and Adversarial Simulation exercises to test detection, response, and organizational readiness
  • Perform advanced threat modeling on new and critical services, articulating risk clearly to technical and non-technical stakeholders
  • Conduct penetration testing across infrastructure, applications, networks, and physical environments
  • Collaborate with Detection & Response and Physical Security teams to design and conduct realistic attacker emulations
  • Build tools and automation to improve red team assessments and reporting capabilities
  • Research the latest tactics, techniques, and procedures (TTPs) to inform red team and simulation scenarios
  • Contribute to the security community through blog posts, public talks, or open-source tools
What we offer
What we offer
  • Performance driven compensation with multipliers for outsized impact, bonus programs, equity ownership, and 401(k) matching
  • 100% paid health insurance for employees with 90% coverage for dependents
  • Lifestyle wallet – a highly flexible benefits spending account for wellness, learning, and more
  • Employer-paid life & disability insurance, fertility benefits, and mental health benefits
  • Time off to recharge including company holidays, paid time off, sick time, parental leave, and more
  • Exceptional office experience with catered meals, events, and comfortable workspaces
  • Fulltime
Read More
Arrow Right

Senior Offensive Security Engineer

Join us in building the future of finance. Our mission is to democratize finance...
Location
Location
Canada , Toronto
Salary
Salary:
165750.00 - 195000.00 CAD / Year
robinhood.com Logo
Robinhood
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of red teaming or offensive security experience, with a proven track record of driving impactful outcomes
  • Strong mentorship experience and a passion for developing others
  • Excellent communication skills—able to articulate complex security risks across technical and executive audiences
  • Hands-on experience with MacOS and Linux systems, and familiarity with DNS, TCP/IP, and related protocols
  • Experience attacking and securing cloud platforms (AWS, GCP), CI pipelines, and container orchestration systems (Docker, Kubernetes)
  • Ability to evade modern defensive tools and understand their detection logic (IDS, IPS, AV, EDR, etc.)
  • Proficiency in scripting or programming with Python, Go, or JavaScript
  • Deep understanding of the MITRE ATT&CK framework and adversary TTPs
  • Strong collaboration skills and comfort working on distributed teams with clear documentation practices
Job Responsibility
Job Responsibility
  • Evangelize the Offensive Security Team’s Findings and Projects with stakeholders throughout the company and collaborate with other teams to create solutions that balance security with other priorities
  • Mentor and provide guidance to the members of the Offensive Security team
  • Utilize threat modeling to identify threats and shape Red Team priorities and exercises
  • Plan and execute long term, broadly scoped, black box Red Team exercises utilizing vulnerability research, exploit development, and utilizing public proof of concept code
  • Perform penetration testing, code reviews, and design/architecture reviews
  • Write tooling to assist with and automate Red Team assessments
  • Plan and participate in Adversarial Simulation exercises with various security teams
  • Lead Security Incidents when Pentest or Red Team findings require them
  • Publish blog posts and present talks at security conferences
What we offer
What we offer
  • bonus opportunities
  • equity
  • benefits
  • Fulltime
Read More
Arrow Right

Senior Security Engineer - Offensive Security

We enable Plaid to quickly build safe and secure products while ensuring that Pl...
Location
Location
United States , New York
Salary
Salary:
207600.00 - 310800.00 USD / Year
plaid.com Logo
Plaid
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of experience in offensive security roles
  • Experience leading individual offensive security/red team operations
  • Comfortable operating independently and defining your own direction
  • Comfortable communicating with a wide range of technical and non-technical stakeholders
Job Responsibility
Job Responsibility
  • Establish a charter and framework for Plaid’s offensive security program
  • Conduct red team operations against corp and prod infrastructure to identify previously unknown problems and assess the state of Plaid’s security
  • Communicate findings to stakeholders and follow up to ensure appropriate resolution
  • Serve as the primary owner for red teaming at Plaid
  • Fulltime
Read More
Arrow Right

Senior Security Engineer - Offensive Security

We enable Plaid to quickly build safe and secure products while ensuring that Pl...
Location
Location
United States , San Francisco
Salary
Salary:
207600.00 - 310800.00 USD / Year
plaid.com Logo
Plaid
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of experience in offensive security roles
  • Experience leading individual offensive security/red team operations
  • Comfortable operating independently and defining your own direction
  • Comfortable communicating with a wide range of technical and non-technical stakeholders
Job Responsibility
Job Responsibility
  • Establish a charter and framework for Plaid’s offensive security program
  • Conduct red team operations against corp and prod infrastructure to identify previously unknown problems and assess the state of Plaid’s security
  • Communicate findings to stakeholders and follow up to ensure appropriate resolution
  • Serve as the primary owner for red teaming at Plaid
  • Fulltime
Read More
Arrow Right

Senior Security Engineer

As a Senior Security Engineer at Bitwarden, you will be responsible for conducti...
Location
Location
United States
Salary
Salary:
140000.00 - 180000.00 USD / Year
bitwarden.com Logo
Bitwarden
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Experience with Penetration Testing Tools, such as Burp Suite, NMAP, Nessus, Metasploit, Kali Linux, SQLMap, Owasp ZAP, and manual testing tools
  • In-depth knowledge of leading vulnerability management tools and strategies
  • In-depth understanding and usage of application security testing technologies is a plus
  • Understanding of authentication concepts, including OpenIDConnect, SAML, OAuth, and SSO flows
  • Strong working knowledge of vulnerability management tools, data and network security technologies
  • Collaborative and adaptable mindset
  • Openness and authenticity combined with excellent communication skills
  • Excitement and enthusiasm for open source and for better internet security
  • Excellent problem-solving skills
  • Ability to maintain discretion, handle sensitive information, and maintain security best-practices
Job Responsibility
Job Responsibility
  • Research emerging threats across the surface web, dark web, and deep web
  • Build threat models, conduct threat hunts, and plan and execute purple team engagements
  • Coordinate internal red team testing operations that emulate a threat actor
  • Collaborate with application development teams, platform engineers, and Security Operations Center (SOC) engineers to improve our offensive and defensive security controls
  • Contribute to vulnerability testing and analysis as well as incident response and analysis
  • Include testing for web, mobile, CLI, and desktop application security issues across our multi-product portfolio, including Bitwarden Password Manager, Secrets Manager, and Passwordless.dev, our APIs, serverless functions, and database
  • Participate in code reviews, learning and spreading technical knowledge about security posture
  • Contribute to resolutions for security-related issues
  • Coordinate technical validation and leadership review of purple team reports detailing testing results and potential areas of improvement
  • Conduct internal penetration tests on systems and networks to determine realistic threat vectors
  • Fulltime
Read More
Arrow Right

Staff Offensive Security Engineer

At GEICO, we offer a rewarding career where your ambitions are met with endless ...
Location
Location
United States , Chevy Chase; Palo Alto; Seattle
Salary
Salary:
115000.00 - 230000.00 USD / Year
geico.com Logo
Geico
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Mastery of vulnerability discovery and exploitation across applications, networks, and cloud using tools (e.g., Burp Suite, Metasploit), and custom scripts (Python, PowerShell)
  • Advanced understanding of OWASP, MITRE ATT&CK framework, software development lifecycle (SDLC), threat modeling, red/purple teaming, and attack path development
  • Hands-on experience with tools like Cobalt Strike, Mythic, BloodHound, and AutoSploit
  • Relevant professional security certifications (e.g. from GIAC or others)
  • Proven experience in achieving results efficiently through automation and establishing best practices
  • Proven track record to deliver business outcomes for meeting regulatory and compliance obligations
  • Ability to force multiply through coaching and mentorship to offensive security engineers across all functions (penetration testing, red teaming, purple teaming)
  • 8+ years in engineering focused role, preferably in the tech industry
  • 5+ years of experience in offensive security (penetrating testing, red team, and purple team)
  • 5+ years of hands-on experience performing penetration-testing, red teaming, and purple teaming activities
Job Responsibility
Job Responsibility
  • Lead highly effective large-scale penetration testing initiatives
  • Participate in simulating real-world cyber-attacks (red teaming), and collaborating with defensive security teams (purple teaming)
  • Conduct tactical security penetration test assessments to validate the security of company applications (web, mobile, APIs, and AI products) against OWASP Top 10 threats and work with the Application Security team to provide feedback and recommendations to increase automated capabilities
  • Ensure penetration testing activities are meeting security, business, and compliance objectives and outcomes
  • Design and execute advanced threat emulation scenarios, including physical, social, and digital attack vectors
  • Collaborate with Blue Teams, Threat Intelligence, and Risk Management to ensure comprehensive attack coverage and feedback loops
  • Ensure operations align with industry regulations and compliance standards such as NIST, PCI DSS, and NYDFS
  • Champion continuous improvement and innovation in penetration testing, adversary simulation techniques, tools, and methodologies
What we offer
What we offer
  • Comprehensive Total Rewards program that offers personalized coverage tailor-made for you and your family’s overall well-being
  • Financial benefits including market-competitive compensation
  • a 401K savings plan vested from day one that offers a 6% match
  • performance and recognition-based incentives
  • and tuition assistance
  • Access to additional benefits like mental healthcare as well as fertility and adoption assistance
  • Supports flexibility- We provide workplace flexibility as well as our GEICO Flex program, which offers the ability to work from anywhere in the US for up to four weeks per year
  • Fulltime
Read More
Arrow Right

Senior Security Engineer - Red Team

The Cloud & AI organization accelerates Microsoft’s mission and bold ambitions t...
Location
Location
United States , Redmond
Salary
Salary:
119800.00 - 234700.00 USD / Year
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field AND 4+ years experience in security or related field
  • equivalent experience
  • Master's Degree in Statistics, Mathematics, Computer Science, or related field AND 3+ years experience in security or related field
  • Ability to meet Microsoft, customer and/or government security screening requirements
  • This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.
Job Responsibility
Job Responsibility
  • Discover and exploit vulnerabilities end-to-end in order to assess the security of services
  • Execute and lead Red Team operations using real world adversarial tactics and techniques to validate a production service's ability to detect, investigate, and respond
  • Advocate for security change across the company through building partnerships and clearly communicating impact of risks
  • Analyze a wide array of data sources to identify potential security weaknesses and breach points within Microsoft’s infrastructure
  • Prototype tools and techniques to scale and accelerate offensive emulation and vulnerability discovery
  • Collaborate with Blue Teams to improve readiness and produce solutions for defenders and customers
  • Analyze simulated adversary tactics and communications, enriching our defensive tactics and threat intelligence
  • Fulltime
Read More
Arrow Right

Senior Security Engineer

The Cloud & AI organization accelerates Microsoft’s mission to ensure that our c...
Location
Location
United States , Redmond
Salary
Salary:
119800.00 - 234700.00 USD / Year
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field AND 4+ years experience in security or related field
  • OR equivalent experience
  • OR Master's Degree in Statistics, Mathematics, Computer Science, or related field AND 3+ years experience in security or related field
  • 4+ years of experience in identifying security vulnerabilities, software development lifecycle, large-scale computing, modeling, cyber security, and anomaly detection
  • 4+ years of experience with coding or scripting in languages such as C#, Python, C++, Go, PowerShell, .NET, Rust, or other comparable programming languages
  • Ability to meet Microsoft, customer and/or government security screening requirements
  • This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter
Job Responsibility
Job Responsibility
  • Discover and exploit vulnerabilities end-to-end in order to assess the security of services
  • Execute and lead Red Team operations using real world adversarial tactics and techniques to validate a production service's ability to detect, investigate, and respond
  • Advocate for security change across the company through building partnerships and clearly communicating impact of risks
  • Analyze a wide array of data sources to identify potential security weaknesses and breach points within Microsoft’s infrastructure
  • Prototype tools and techniques to scale and accelerate offensive emulation and vulnerability discovery
  • Collaborate with Blue Teams to improve readiness and produce solutions for defenders and customers
  • Analyze simulated adversary tactics and communications, enriching our defensive tactics and threat intelligence
  • Embody our Culture and Values
  • Fulltime
Read More
Arrow Right