Senior Penetration Tester

2 days ago

Belfast, United Kingdom SilverSky Full time

SilverSky's Cyber Security Advisory team consists of dedicated security professionals providing a strategic direction to our customers to advise on the current state of their Cyber program. SilverSky is looking for a talented and highly motivated member to join our Penetration testing team as a senior member. As part of SilverSky's Strategic Advisory team, this position will have oversight and responsibility over assigned penetration testing engagements, SilverSky's Penetration testing as a service offering, as well as SilverSky's Continuous validation and red teaming services.

**Duties and Responsibilities **(Additional duties may be assigned as required):

- Perform a variety of penetration tests, including but not limited to Infrastructure (internal and external), Web Applications, APIs, Mobile, Wireless and Cloud
- Work collaboratively and independently with teammates to provide professional services to our clients
- Use offensive security expertise to research relevant tactics, techniques, and procedures for assessing and validating weaknesses in various infrastructure and technologies including cloud technologies.
- Test, reproduce and validate known vulnerabilities using automation technologies, manual penetration testing tools and know hacker tactics and techniques
- Develop scripts to automate repetitive actions of penetration tests
- Document exploits and results in remediation and professionally written reports.
- Understand, perform chained attacks, privilege escalation, and lateral movement techniques
- Conduct testing beyond automated tool validation, including full exploitation and leveraging of access within multiple environments, scenario-based security testing or red teaming to identify gaps in detection and response capabilities
- Develop and document new and custom exploits
- Develop and author simple tools via scripting language
- Develop and author custom exploits
- Respond to inquiries, guide and advise customers on security best practices.
- Identify and provide improvements on existing services, including continuous improvement of existing methodologies, tools and reports
- Create strong narratives and analysis for publication.
- Serve as a mentor to other Penetration testers and Threat Analysts and support them in their work.

**Qualifications**:

- One or more of the following certifications: OSWA, OSWE, OSCP, CREST
- Bachelor's Degree in Cyber Security and/or 5+ years in cybersecurity - red-team/penetration testing roles.
- Strong knowledge of industry penetration testing tools
- Ability to configure, run, and monitor automated security testing tools
- Ability to Perform manual validation of vulnerabilities
- Technical understanding of various infrastructure, including web, Windows, Linux, mobile, cloud, API
- Strong knowledge of offensive penetration testing tools
- Strong knowledge of common attack tools, concepts, and frameworks
- Experience writing penetration testing reports
- Excellent communication skills (written and verbal)
- Ability to speak in depth on findings and remediation
- Knowledge of and ability to reverse engineer binaries for both Windows and Linux.
- Knowledge of and ability to administer network and host-based security tools to include penetration testing and ethical hacking products.
- Some knowledge of scripting languages: Python, Go, Rust, PHP, Perl, Bash, Ruby, PowerShell

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