Security Operations Engineer

Job Title: Security Operations Engineer
Location: Remote, USA (DFW based candidates preferred)
Reports to: Managing Director 
Employment Type: Full time 
Job Req ID: 2026  
Req Begin Date: 7/1/2026 

 
About Vector3 
Vector3, Inc., is an incident response firm supporting TMHCC Cyber and Professional Lines Group (CPLG). Vector3 specializes in responding to Business Email Compromise (BEC) and Ransomware incidents, helping insured organizations investigate, contain, and recover from cyber events. 

About TMHCC 
Tokio Marine HCC (TMHCC) brings 50 years of service to the specialty insurance industry, today offering over 100 products to commercial customers in 180 countries around the world. Every policy we write is special, enabling our clients to do amazing things. From insuring the crops that feed us to the rock concerts that entertain us, to rescuing international travelers in trouble. 
Organic growth and over 60 successful acquisitions have grown our 2023 Gross Written Premium (GWP) to over $7.5 Billion. Our workforce has grown to 4,300 worldwide … big, but not so big that you cannot make a difference. Our Good Company values, including integrity, empowerment, and commitment to customer service, and a culture of innovation, communication, and collaboration make TMHCC a great place to work. 

What We Offer 

• Competitive salary and employee benefit package 

• Strong learning culture 

• Growth perspectives 

• 6% 401K match 

• 20 days of PTO and 2 Floating Days 

• Paid parental leave 

• An opportunity to love what you do 

DFW based candidates preferred, Spanish bi-lingual encouraged to apply

Job Summary

The Security Operations Engineer provides technical and operational support for Vector3's MDR customers. This role assists with incident follow-up, technical troubleshooting, remediation validation, compliance reviews, platform administration, and operational security initiatives.

The Security Operations Engineer serves as the technical backbone of the MDR team, allowing TAMs to focus on customer engagement, Cyber Hygiene strategy, and business growth while ensuring customers receive timely technical support and operational security guidance.

Key Responsibilities

Relying on advanced knowledge and strong leadership skills, this role is accountable for the following responsibilities:

Incident Investigation & Response Support

• Review and investigate MDR alerts requiring customer follow-up.
• Support incident validation, scoping, and remediation activities.
• Conduct log analysis and security investigations.
• Assist customers with containment and recovery validation.
• Document investigative findings and recommendations.

Technical Operations & Platform Support

• Support deployment and administration of Sophos MDR technologies.
• Assist with endpoint onboarding, integrations, and configuration activities.
• Troubleshoot technical issues involving MDR platforms.
• Validate policy configurations and security controls.
• Maintain technical documentation and operational runbooks.

Compliance & Security Advisory Support

• Support Cyber Hygiene assessments and compliance reviews.
• Assist with security maturity evaluations.
• Review customer environments for security improvement opportunities.
• Provide technical recommendations aligned to security best practices.

Collaboration & Cross-Functional Alignment

• Work closely with TAMs on customer engagements.
• Coordinate with Sophos MDR teams during investigations.
• Support DFIR personnel during escalated incidents.
• Participate in service improvement initiatives.

Competencies

Planning

• Prioritize security investigations, technical support requests, and operational activities to meet customer service expectations.
• Coordinate investigative activities and remediation efforts across multiple customer environments.

Communication

• Clearly communicate technical findings, investigation results, and remediation recommendations to customers and internal stakeholders.
• Prepare technical reports, investigation summaries, and operational documentation.
• Translate complex cybersecurity concepts into actionable guidance for technical and non-technical audiences.

Technical Analysis

• Analyze security events, endpoint telemetry, cloud audit logs, network traffic, and security platform data to identify threats and support customer investigations.
• Apply analytical thinking to validate alerts, identify root causes, and recommend appropriate remediation actions.
• Maintain awareness of emerging threats, attack techniques, and evolving cybersecurity best practices.

Business Controls and Policies

• Comply with all corporate security policies, customer confidentiality requirements, and applicable regulatory obligations.
• Follow established investigation procedures, documentation standards, and operational workflows.
• Contribute to the development and continuous improvement of operational processes and technical playbooks.

Collaboration

• Partner with Technical Account Managers to deliver exceptional customer service and security outcomes.
• Coordinate with Sophos MDR personnel, internal engineering teams, and DFIR consultants during customer investigations and escalations.
• Support knowledge sharing and continuous improvement across the Managed Services organization.

Education

Minimum 4 Year Bachelors Degree in Cyber security, Computer Science, information Technology related degree.

Certifications, Licenses, and Designations

Preferred Security+, CySA+, SC-200, Sophos Engineer, or similar certifications a plus.

Experience

3+ years in security operations, cybersecurity engineering, SOC operations, incident response, or IT security.

Other

• Knowledge of Microsoft 365, Google Workspace, endpoint security, network security technologies, log analysis, and security investigation methodologies.
• Strong troubleshooting and analytical skills.
• Experience supporting MSSP, MDR, or SOC environments.
• Familiarity with NIST CSF, CIS Controls, and common compliance frameworks.
• Experience supporting Microsoft Defender, Sophos, CrowdStrike, SentinelOne, or similar platforms.
• Professional proficiency in Spanish (written and verbal) with the ability to communicate technical and security concepts to Spanish-speaking customers.
• Strong analytical and investigative mindset.
• Excellent technical troubleshooting skills.
• Ability to effectively communicate technical and security concepts to both technical and non-technical audiences in English; Spanish language proficiency is a plus.
• Detail-oriented and process-driven.
• Collaborative team player.