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