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# Threat Detection Security Engineer

- **Company:** Ten-X, LLC
- **Location:** Arlington, VA, United States (Remote available)
- **Experience:** Experienced
- **Salary:** $90,000.0 - $154,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Azure, Cyber Security, Intrusion Detection and Prevention, Python (Programming Language), Microsoft Security Essentials, Scripting, Cloud Platform System, Mitre Att&ck, Cyber Threat Analysis, Kubernetes, Low-code
- **Published:** October 9, 2026
- **Apply:** https://costar.wd1.myworkdayjobs.com/CoStarCareers/job/US-VA-Arlington/Threat-Detection-Security-Engineer_R38787

## About the Role

* 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

## Description

* 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