UltraViolet Cyber

MDR and penetration testing services

EDR Engineer

Security Engineering & ArchitectureConfirmed live in the last 24 hours

Full-timeSan Jose, CA, USA$130k - $175k /yr

About the Job

Requirements

At least 8 years of security engineering experience, including significant hands-on SentinelOne Singularity experience; SentinelOne AI SIEM experience is preferred.
CISSP certification or equivalent experience.
SentinelOne certifications and/or SentinelOne University experience.
Experience administering and optimizing SentinelOne in enterprise environments.
Experience working with SentinelOne Wayfinder/Vigilance MDR alongside an internal SOC.
Strong detection engineering and alert-tuning skills.
Ability to lead, mentor, and upskill a team through documentation and knowledge transfer.
Incident response and troubleshooting skills.
Experience with Zero Trust architecture and endpoint security modernization.
Experience with enterprise endpoint management platforms.
Experience integrating SentinelOne with other security tools.
Must be authorized to work in the United States.

Responsibilities

Evaluate the current SentinelOne deployment and detection content, then identify gaps, risks, and improvement opportunities.
Migrate and optimize data sources and detection content.
Integrate SentinelOne with other security tools to strengthen the overall monitoring ecosystem.
Design and maintain SentinelOne data models that support security use cases and compliance reporting.
Develop, tune, and optimize detection rules and alerts in SentinelOne to reduce false positives and improve detection quality.
Partner with SentinelOne Wayfinder MDR and the customer’s SOC on alert flow, triage, investigation, and response.
Manage and optimize the SentinelOne endpoint deployment and prepare architecture and processes for growth in a hybrid environment with global data centers.
Improve SOC processes, playbooks, and reporting beyond pure detection content.
Lead knowledge transfer and upskilling so the customer’s team can sustain and operate the environment.
Provide technical expertise during security incidents and help coordinate response activities.
Provide occasional on-call support for security incidents as needed.

Desired Qualifications

SentinelOne AI SIEM experience.

Salary Range: 130000 to 175000 (Currency: USD) (Pay period: per-year-salary)

Make a difference here.

UltraViolet Cyber is a leading platform-enabled unified security operations company providing a comprehensive suite of security operations solutions. Founded and operated by security practitioners with decades of experience, the UltraViolet Cyber security-as-code platform combines technology innovation and human expertise to make advanced real-time cybersecurity accessible for all organizations by eliminating risks of separate red and blue teams.

By creating continuously optimized identification, detection, and resilience from today’s dynamic threat landscape, UltraViolet Cyber provides both managed and custom-tailored unified security operations solutions to the Fortune 500, Federal Government, and Commercial clients. UltraViolet Cyber is headquartered in McLean, Virginia, with global offices across the U.S. and in India.

Our Dedicated Defense model is curated for our customers looking to implement and/or optimize their SIEM and EDR solutions. This opportunity is aligned within UltraViolet Cyber to optimize the SentinelOne EDR functionality for our customers. The Senior Security EDR Engineer will be getting to lead a Fortune 250 company through a transformative security and technology project, leading a global team developing methodology for EDR optimization and best practices, and have the opportunity to learn cutting edge technology.

What You'll Do:

- Evaluate the current SentinelOne deployment and detection content, then identify gaps, risks, and improvement opportunities.

- Migrate and optimize data sources and detection content.

- Integrate SentinelOne with other security tools to strengthen the overall monitoring ecosystem.

- Design and maintain SentinelOne data models that support security use cases and compliance reporting.

- Develop, tune, and optimize detection rules and alerts in SentinelOne to reduce false positives and improve detection quality.

- Partner with SentinelOne Wayfinder MDR and the customer’s SOC on alert flow, triage, investigation, and response.

- Manage and optimize the SentinelOne endpoint deployment and prepare architecture and processes for growth in a hybrid environment with global data centers.

- Improve SOC processes, playbooks, and reporting beyond pure detection content.

- Lead knowledge transfer and upskilling so the customer’s team can sustain and operate the environment.

- Provide technical expertise during security incidents and help coordinate response activities.

What You've Done:

- 8+ years of security engineering experience, with significant hands-on SentinelOne Singularity (and preferably SentinelOne AI SIEM) work.

- CISSP certification (or equivalent experience).

- SentinelOne certification(s) and/or SentinelOne University experience.

- Experience administering and optimizing SentinelOne in enterprise environments.

- Experience working with SentinelOne Wayfinder/Vigilance MDR alongside an internal SOC.

- Strong detection engineering and alert-tuning skills.

- Ability to lead, mentor, and upskill a team through documentation and knowledge transfer.

- Strong incident response and troubleshooting skills.

- Experience with Zero Trust architecture and endpoint security modernization.

- Experience with enterprise endpoint management platforms.

- Experience integrating SentinelOne with other security tools.

Work Environment:

- Must be authorized to work in the US.

- On-site in San Jose, CA up to 4 days per week.

- Occasional on-call support for security incidents as needed.

- Collaboration with cross-functional security teams.

- Minimum 3-month commitment (with potential for extension).

We sincerely thank all applicants in advance for submitting their interest in this position. We know your time is valuable.

UltraViolet Cyber welcomes and encourages diversity in the workplace regardless of race, gender, religion, age, sexual orientation, gender identity, disability, or veteran status.

If you want to make an impact, UltraViolet Cyber is the place for you!

About the Company

UltraViolet Cyber

MDR and penetration testing services

UltraViolet Cyber focuses on delivering managed security solutions that blend defensive and offensive security to boost organizational resilience. The company offers 24/7 Managed Detection and Response (MDR) and Penetration Testing as a Service, both sold on a subscription basis. Its Security as Code platform automates threat detection and investigation, providing a unified risk view for the security operations team. By integrating Red Team (attack simulation) and Blue Team (defense) activities, the company ensures vulnerabilities are both identified and promptly remediated. The main goal is to help organizations continuously improve cyber readiness and protect critical data and infrastructure.

Company size: 501-1,000
Company stage: Series A
Total funding: $4.1M
Headquarters: Tysons, VA
Founded: 2023

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