CoStar Group

Threat Detection Security Engineer

CoStar Group  •  United States (Onsite)  •  26 days ago
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Job Description

Threat Detection Security Engineer

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CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives.

We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. We’ve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.

The ideal candidate will balance strong communications skills, understanding of enterprise systems and attacker techniques, and technical skills to improve detection and defense implementations. This position will work in tandem with CoStar’s global cyber threat center team to provide continuous security coverage.

This position is in Arlington, VA or Richmond, VA and is in office Monday through Thursday with work from home on Friday.

Responsibilities

  • Own cyber security incidents from identification to resolution
  • Ensure incidents and corresponding artifacts and evidence are consistently and accurately recorded
  • Work with threat intelligence, detection engineering and security controls team to build a holistic lifecycle around incident preparedness and resolution
  • Operate as a point of escalation for alert triage and provide expert guidance for investigation and incident resolution
  • Own, maintain, and improve the Incident Response Plan and the corresponding processes and procedures
  • Team expert on Mitre Att&ck, tools, techniques, and practices of cyber attackers which you use to drive the overall strategy of the incident response team.
  • Execute threat hunts in the CoStar enterprise
  • Develop and deliver training as well as designing and delivering quarterly tabletop exercises
  • Be a security advocate and point of contact for all things incident response through the enterprise.
  • Participate in 24x7 on-call rotation

Basic Qualifications

  • Bachelor’s Degree required from an accredited, not for profit, in person, university or college.
  • A track record of commitment to prior employers
  • 4+ years of hands-on security engineering experience
  • Excellent documentation and communication skills
  • Ability to identify opportunities for automation to increase detection and response efficacy.
  • Experience with Microsoft/Azure security tooling
  • Experience in scripting with a language such as Python or a low-code automation solution

Preferred Qualifications and Skills

  • Experience performing incident response in cloud environments.
  • Experience with Kubernetes environments and how to defend/attack them.
  • Experience collaborating with threat intelligence and detection engineering
  • Ability to work on a cultural diverse team that spans international time zones and foster an environment of inclusions and participation with all team members
  • Ability to mentor and train team members to work effectively and adopt new skills.
  • Ability to communicate with different levels of leadership across the enterprise to convey risk and drive urgency for risk remediation.
  • Experience with Microsoft Security tooling (Defender, Sentinel, EOP etc.) a plus

What’s in it for You

When you join CoStar Group, you’ll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed.

We offer you generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training and tuition reimbursement.

Our benefits package includes (but is not limited to):

  • Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug
  • Life, legal, and supplementary insurance
  • Virtual and in person mental health counseling services for individuals and family
  • Commuter and parking benefits
  • 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 (location dependent), with yoga studio, Pelotons, personal training, group exercise classes
  • Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource Groups
  • Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks

We welcome all qualified candidates who are currently eligible to work full-time in the United States to apply. However, please note that CoStar Group is not able to provide visa sponsorship for this position.

#LI-AR

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CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

CoStar Group

About CoStar Group

CoStar Group (NASDAQ: CSGP) is a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology. Founded in 1986, CoStar Group is dedicated to digitizing the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives.

CoStar Group’s major brands include CoStar, a leading global provider of commercial real estate data, analytics, and news; LoopNet, the most trafficked commercial real estate marketplace; Apartments.com, the leading platform for apartment rentals; Homes.com, the fastest-growing residential real estate marketplace; and Domain, one of Australia’s leading property marketplaces. CoStar Group’s industry-leading brands also include Matterport, a leading spatial data company whose platform turns buildings into data to make every space more valuable and accessible, STR, a global leader in hospitality data and benchmarking; Ten-X, an online platform for commercial real estate auctions and negotiated bids; and OnTheMarket, a leading residential property portal in the United Kingdom.

CoStar Group’s websites attracted over 143 million average monthly unique visitors in the third quarter of 2025, serving clients around the world. Headquartered in Arlington, Virginia, CoStar Group is committed to transforming the real estate industry through innovative technology and comprehensive market intelligence. From time to time, we plan to utilize our corporate website as a channel of distribution for material company information. For more information, visit CoStarGroup.com.

Industry
Real Estate & Property
Company Size
10,000+ employees
Headquarters
Arlington, Virginia
Year Founded
Unknown
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