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Senior Cybersecurity Engineer

2 months ago

Washington, United States costar Full time

Job Summary

We are seeking a highly skilled Senior Cybersecurity Engineer to join our team at CoStar Group. As a Senior Cybersecurity Engineer, you will be responsible for leading our offensive security capabilities to test our internal and external facing processes, infrastructure, and applications.

Key Responsibilities

  • Develop and execute test plans to validate identified vulnerabilities and demonstrate the exploitation of the vulnerabilities.
  • Collaborate with our threat management and defensive teams to lead purple team activities, including adversary emulation and the validation of detective, defensive, and vulnerability controls.
  • Plan and oversee external red team engagements with external partners.
  • Oversee and mentor other offensive security team members, sharing knowledge with all members of the security team.
  • Oversee all internal penetration testing efforts, both as a player and a coach to other penetration testing engineers, to cover penetration testing of all critical infrastructure.

Requirements

  • Bachelor's Degree from an accredited, not-for-profit university or college, preferably in a relevant field such as Computer Science or Cyber Security.
  • A track record of commitment to prior employers.
  • At least 3 years of experience performing offensive security activities such as red teaming, penetration testing, and vulnerability research.
  • At least 6 years of total experience in a technical role such as security, networking, systems, or software development.
  • Security certification such as OSEP, OSCP, CRTO, GXPN, or similar certification.
  • Scripting/programming skills in languages such as Bash, Python, or PowerShell.
  • Experience planning and executing Red Team and Purple Team Scenarios.

Preferred Qualifications and Skills

  • Proficiency in using security tools such as NMAP, Burp Suite, Kali Linux, Bloodhound, and similar tools.
  • Experience with C2 Frameworks like Cobalt Strike, Sliver, and Mythic.
  • Knowledge of payload and exploit development in languages such as C, C#, or C++.
  • Understanding of EDR systems and how to evade them.

What We Offer

  • A competitive salary range of $114,200-$203,500 based on relevant skills and experience.
  • A generous benefits package, including comprehensive healthcare coverage, life insurance, and a 401(K) retirement plan with matching contributions.
  • Opportunities for professional growth and development, including internal training, tuition reimbursement, and an inter-office exchange program.