Senior Offensive Security Engineer

4 weeks ago

Washington, Washington, D.C., United States CoStar Realty Information, Inc. Full time
Job Description

CoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. We are seeking an experienced Offensive Security Engineer to join our team.

Responsibilities

Lead purple team activities in collaboration with our threat management and defensive blue teams, 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, covering penetration testing of all critical infrastructure, such as CI/CD systems and Active Directory.

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.

3 years of experience performing offensive security activities, such as red teaming, penetration testing, and vulnerability research.

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, including Bash, Python, and PowerShell.

Experience planning and executing Red Team and Purple Team scenarios.

What We Offer

CoStar Group offers a collaborative and innovative culture, working alongside the best and brightest to empower our people and customers to succeed. We provide generous compensation and performance-based incentives, as well as opportunities for professional and academic growth, including internal training, tuition reimbursement, and an inter-office exchange program. Our benefits package includes comprehensive healthcare coverage, life, legal, and supplementary insurance, virtual and in-person mental health counseling services, commuter and parking benefits, a 401(K) retirement plan with matching contributions, employee stock purchase plan, paid time off, tuition reimbursement, on-site fitness center and/or reimbursed fitness center membership costs, and access to CoStar Group's Diversity, Equity, & Inclusion Employee Resource Groups.

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