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Deloitte

Audits companies and advises on tax and technology

Offensive Security Specialist

Offensive Security & TestingConfirmed live in the last 24 hours
Full-timeAmsterdam, NetherlandsNo salary listedIn-person

About the Job

Requirements

  • A diploma in Computer Science or equivalent is required.
  • Passion for offensive security and the drive to stay current with exploits, attack techniques, and new vulnerabilities are required.
  • Experience with protocols across the OSI model is required, including ARP, PPP, IPsec, IP, TCP, UDP, ICMP, TLS, SOCKS, ASCII, UTF-8, Base64, CRC, HTTP, QUIC, and SMB.
  • Experience testing web application security using Burp to exploit SQL injection, file inclusion, and HTTP request smuggling vulnerabilities is required, including scripting experience to automate repetitive tasks.
  • Experience with complex infrastructures from both engineering and offensive perspectives is required, including evaluating and exploiting potential access points across protocol-stack layers to gain a foothold in a client network and move laterally.
  • Experience evaluating the security of Windows and Linux operating systems and Azure Active Directory environments is required, including identifying potential privilege-escalation paths and security misconfigurations.
  • Fluency in written and spoken English is required.

Responsibilities

  • Find creative ways to exploit clients' applications and infrastructure.
  • Apply a hacker mindset to bypass security controls and identify weaknesses in target systems.
  • Provide clients with technical recommendations suited to their situations and environments.
  • Turn vulnerabilities into tailored, actionable recommendations, present them to clients, and provide practical support to improve their security posture.
  • Conduct offensive security research and develop new technologies and methodologies to evaluate IT security.
  • Share research within the Deloitte Global Offensive Security community and the wider security community, including by writing blogs, speaking at conferences, or publishing code.
  • Work as part of a highly qualified team to conduct challenging security tests for international clients.
  • Use offensive security and engineering skills to exploit client networks and conduct tactical network attacks (TNE), providing practical support to strengthen client security.
  • Participate in periodic knowledge-sharing sessions, attend training, and research the latest techniques and tools.

Desired Qualifications

  • Relevant security certifications are preferred; examples include OSCP, OSEP, OSWE, eCPTX, eWPTX, and GXPN.

About the Company

Deloitte

Audits companies and advises on tax and technology

Deloitte audits companies and advises businesses and governments on tax, technology, and risk, and it is one of the Big Four, the world's four largest accounting firms. In 1849 its founder became the first independent auditor of a public company, Britain's Great Western Railway. Its auditors check companies' financial reports for errors and fraud before investors rely on them, while its consultants design strategy, install business software, and defend clients against cyberattacks. Clients pay fees for each audit or project, and each country's Deloitte firm is a separate business owned by its local partners. Deloitte was founded in London in 1845 and is based in New York.

Company size
10,001+
Company stage
Late Stage VC
Total funding
$17.1M
Headquarters
New York, NY
Founded
1845

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