Senior Security Consultant | Network, Web, and Mobile Application Security

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AI Summary

Leviathan Security Group is seeking a self-motivated technical team member to conduct network, web, and mobile application security assessments. This role involves vulnerability assessments, penetration testing, and source code review for a diverse client base. Requires 3+ years of security experience, scripting skills, and strong communication abilities.

Key Highlights
Focus on network, web, and mobile application security assessments.
Requires 3+ years of experience in the security industry and/or penetration testing.
100% remote work with flexible working hours.
Key Responsibilities
Conduct vulnerability assessments including manual and automated testing to evaluate the security of software.
Conduct penetration tests of information systems using commercial and open-source exploitation tools.
Perform web and mobile penetration testing and source code review (including DAST and SAST).
Create detailed reports that clearly communicate vulnerabilities, mitigation strategies, and remediation steps.
Effectively communicate findings and remediation strategies to business stakeholders including technical staff, executive leadership, and legal counsel.
Technical Skills Required
Python Bash Hardware security Networking Web application pentesting Mobile application pentesting Fuzzer development Reverse engineering DAST SAST
Benefits & Perks
100% remote
Flexible working hours
$200 per month flexible spending
24 days vacation
5 days sick leave
Nice to Have
Technical degree

Job Description


Our work focuses on network, web, and mobile application security assessments with a diversified set of clients ranging from established businesses to newly formed startups with investments. Projects explore unique and engaging technology stacks presenting demanding security solutions.


We are looking for bright and self-motivated individuals to join our technical team. Our company is working towards making an impact on the security posture of our clients and the security industry as such. We are seeking someone with a desire to learn new technologies, identify and shape security best practices. 


We welcome people that are passionate about security and looking to gain a holistic understanding diving deep into the fundamental challenges of our customers.


You have:

  • 3+ years of experience in the security industry and/or penetration testing
  • Practical and in-depth knowledge of at least two of the following areas: hardware, networking, web and mobile application pentesting, fuzzer development or reverse engineering
  • Practical skills with Python, Bash or other scripting languages
  • Network and web-related protocol understanding
  • Strong written and verbal communication English skills — you can read technical documentation and compose vulnerability reports in English
  • A technical degree is welcomed, but not required


You will do:

  • Vulnerability assessments including manual and automated testing to evaluate the security of software
  • Conducting penetration tests of information systems using commercial and open-source exploitation tools
  • Web and mobile penetration testing and source code review (including DAST and SAST)
  • Creating detailed reports that clearly communicate vulnerabilities, mitigation strategies, and remediation steps
  • Effectively communicate these findings and remediation strategies to business stakeholders including technical staff, executive leadership, and legal counsel



We are happy to provide:

  • 100% remote: work from anywhere and save the silly commute time & energy waste 
  • Flexible working hours — set up your individual schedule to deliver the best results 
  • No micromanagement, no bureaucracy, flat hierarchies, smooth onboarding
  • Friendly atmosphere with mutual respect, trust, support, and a dedicated mentor
  • Highly productive environment and results-driven working culture with efficient and clear flows & processes
  • Long-term engagement with rich opportunities for dynamic professional growth
  • Competitive salary well above the market level that values your experience and skills
  • 24 days vacation and 5 days of sick leave per year + all Ukrainian national holidays
  • Benefits: $200 per month — fully flexible, spend it your way (hobbies, learning, travel, wellness, etc.)
  • We enjoy and look forward to working with people with a diverse set of experiences and backgrounds. If you’re an individual that welcomes the kind of problems outlined above, we want to talk to you.

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