Senior Engineer, MDR

Tokio Marine HCC International; Northern (KY); Hybrid; USD 117,000 - 176,000; Full time

Job summary

Vector3, Inc. is hiring a Senior Engineer, MDR to support TMHCC CPLG MDR initiatives remotely in the USA. You will design and implement scalable security solutions, automation, and tooling to strengthen detection and response capabilities.

In this role, you will lead engineering efforts, mentor teammates, and collaborate with cross‑functional teams to maintain procedures and best practices while staying ahead of evolving threats. Strong scripting and cloud security experience are required.

Qualifications

• Minimum 4+ years in security engineering or related field.
• Experience developing security automation and/or SOAR capabilities.

Responsibilities

• Design, build, and maintain scalable security apps, integrations, and automation frameworks for MDR services.
• Lead complex engineering initiatives from design through deployment with measurable impact.
• Develop automation to reduce toil and improve response times in security operations.
• Develop scripts and tooling using Python, PowerShell, Bash, Go to streamline security operations.
• Engineer and deploy security tools across enterprise environments for reliability and scalability.

Skills

Security engineering

Automation

Python

PowerShell

Bash

Go

Threat hunting

Cloud security

Education

Bachelor's degree in cyber security/CS/IT

Tools

CrowdStrike

Sophos

SentinelOne

Active Directory

Microsoft Intune

Job description

## Senior Engineer, MDRApplylocations: Remote - USAtime type: Full timeposted on: Posted Todayjob requisition id: 2026-800***Role Details*****Job Title:**Senior Engineer, MDR**Location:**Remote, USA**Reports to:**Director of Engineering**Employment Type:**Full time**Job Req ID:**2026**Req Begin Date:** 8/10/2026## ## **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 related incidents. Building on our success in incident response, we are launching a **Managed Detection and Response (MDR)** service designed to protect our DFIR clients from future incidents. The MDR program will deliver proactive monitoring, detection, and prevention solutions — powered by tools like **Sophos EDR/NDR**, **Microsoft 365**, and **Google Workspace**.## **Job Summary**Join us in shaping the future of TMHCC-CPLG as a key contributor in our Managed Detection and Response (MDR) team, Vector3. You will leverage your engineering expertise to support managed detection and response workflows for MDR customers. You will work closely with your team through intricate engineering initiatives, enabling the MDR team to deliver more efficient and scalable detection and response capabilities.Alongside your technical abilities, you effectively balance multiple priorities. You collaborate closely with your peers to enhance the team’s overall expertise and performance, ensuring the practices’ swift and effective response to cyber incidents.**Key Responsibilities**Relying on extensive security knowledge and advanced technical expertise, this role is accountable for the following responsibilitiesRelying on advanced knowledge and strong leadership skills, this role is accountable for the following responsibilities:* Security Engineering and Automation: + Design, build, and maintain scalable security applications, integrations, and automation frameworks that enhance Managed Detection and Response (MDR) services and improve operational efficiency. + Lead complex engineering initiatives from design through deployment, delivering innovative solutions to address evolving security threats and operational challenges. + Identify repetitive processes, operational bottlenecks, and manual tasks across security operations, then develop automation to reduce toil, increase consistency, and improve response times. + Develop and maintain scripts, APIs, and tooling using Python, PowerShell, Bash, Go, and related technologies to streamline security operations and infrastructure management. + Engineer and deploy software, security tools, and automation solutions across diverse enterprise environments, ensuring reliability, scalability, and maintainability.* Teamwork and Client Engagement: + Foster a culture of innovation, continuous learning, and skill development within the engineering team. + Support the maintenance of operating procedures and best practices for the engineering team. + Maintain positive, professional insured/carrier relationships. + Communicate complex engineering concepts internally and externally.* Technical Experience: + Stay informed about emerging engineering technologies and industry best practices. + Provide expert technical guidance on engineering methodologies, automation techniques and software development. + Occasionally, support complex digital forensic investigations, including analysis of system logs, network traffic, and endpoint data.**Competencies***Planning** Contribute to the development of both short-term and long-term plans for designated area of the organization.*Technical Excellence** Experience architecting performant asynchronous microservices with robust testing and observability built-in.* Write, or is a major contributor to, technical reports and documentation.* Peer review complex code to organizational architectural standards.*Cost Management** Develop innovative ways to improve financials.*Business Controls and Policies** Comply with all corporate policies and procedures.**Education**Minimum 4 Year's bachelor's degree in cyber security, Computer Science, information Technology related degree.**Certifications, Licenses, and Designations**Preferred advanced degrees or certifications (CISSP, CISM, GCFE, GCFA, GREM, GBFA, GCIH, CFCE, CCE) are a plus**Experience**4+ years former professional experience in security engineering teams, developing security automation and/or SOAR capabilities in support of security incident response, detection engineering, EDR platform support, or vulnerability management. Other experience in building robust applications in Python and fluent scripting in Bash and PowerShell.**Other*** Proven track record of success in executing complex engineering initiatives.* Experience deploying and administering Endpoint Detection and response tooling such as Crowdstrike, Sophos, or SentinelOne.* Ability to architect, develop, and execute automated threat hunts across an enterprise.* Experience in advanced detection engineering and tuning signals across a wide array of data sources.* Background in automating rote security and IT tasks.* Programming experience in Bash, Python, PowerShell, or Go.* Experience in deploying software and scripts across diverse IT environments.* Experience with Active Directory, Microsoft Intune, or other MDM solutions.* Experience with Vue, JavaScript, TypeScript, or AG Grid is a plus.* Understanding of cloud platforms and security considerations within AWS (Amazon Web Services), Azure, Microsoft 365, and GCP (Google Cloud Platform).* Superior organizational and analytical skills; demonstrated ability to manage multiple tasks simultaneously.* Excellent communication and presentation skills to clearly and concisely communicate complex technical concepts to stakeholders.### Certification, Licenses, and Designations2 years in leading active cybersecurity engagements, developing security automation and/or SOAR capabilities in support of security incident response, digital forensics, malware analysis or threat intelligenceAdvanced degrees or certifications in security (CISSP, CISM, GCFE, GCFA, GREM, GBFA, GCIH, CFCE, CCE) or cloud engineering (AWS Certified Security, Azure Security Engineer, Google Professional Cloud Security Engineer, CCNA, MCSE are a plus.CaliforniaTokio Marine HCC is an equal opportunity employer that values diversity and inclusion. We offer competitive compensation, comprehensive benefits, and professional growth opportunities within a global organization.The pay range for this position is $117,200-$175,800 which includes geographic adjustments, where applicable. The pay range is the range THMCC, in good faith, believes is the range of compensation for this role at the time of this posting. The hired applicant will be offered pay within the entire range based on the candidate’s geographic location, qualifications, work experience, education, and/or skill level. The Company is fully committed to ensuring equal pay opportunities for equal work regardless of color, race, sex, national origin, sexual orientation, religion, age, veteran status, disability, pregnancy, citizenship status, genetic information, or any other basis protected by federal, state, or local pay equity laws. You do not need to disclose your criminal history or participate in a background check until a conditional job offer is made to you. After making a conditional offer and running a background check, if the Company is concerned about a conviction that is directly related to the job, you will be given the chance to explain the circumstances surrounding the conviction or challenge the accuracy of the background report.The Company will consider for employment all qualified applicants, includingthose with criminal histories, in a manner consistent with the requirements of applicable federal, state and local laws, such as the Violent Crime Control and Law Enforcement Act of 1994 (18 USC § 1033(e))(the “VCCLEA”), which restricts financial institutions and insurers such as TMHCC from employing individuals with certain types of criminal convictions. Where the hiring and employment of individuals is not restricted by the foregoing, the Company will consider qualified applicants with arrest or conviction history in compliancewith applicable law such as the California Fair Chance Act, the Los Angeles Fair Chance Initiative for Hiring Ordinance, the Los Angeles County Fair Chance Ordinance, the San Diego Fair Chance Ordinance, and the San Francisco Fair Chance Ordinance.As an insurance company, we comply with certain federal, state and local laws such as the Violent Crime Control and Law Enforcement Act of 1994 (18 USC § 1033(e)), which restricts our ability to employ individuals with certain types of criminal convictions. Where not restricted by law and for criminal history not covered by this law, the Company will consider qualified applicants with arrest or conviction history in compliance with applicable law. Tokio Marine HCC offers a competitive salary and a generous employee benefit package that includes among other benefits, subsidized medical, prescription, dental, vision and basic life and disability insurance, employee assistance program, paid parental leave, 401(k) plan with Company matching contributions and educational/loan assistance. Subject to local and state laws governing the accrual of paid time off (PTO), Employees will receive at least 20 days of PTO, prorated for the current year based on date of hire, and/or paid sick leave. Employees annually receive approximately 11 paid holidays, one paid volunteer day, and two paid floating holidays. Tokio Marine HCC offers a competitive salary and a generous employee benefits package including among other benefits, subsidized medical, prescription, dental, vision and basic life and disability insurance, 401(k)plan with Company matching contributions, paid parental leave, paid time off and/or paid sick leave, and educational/loan assistance.Tokio Marine HCC is a leading specialty insurance company underwriting more than 100 classes of specialty insurance with employees located across 180 counties. TMHCC was established in 1974 and is headquartered in Houston, Texas with offices across the United States and Europe, Mexico, Australia, and in Tokyo, Japan. The Company offers competitive compensation, great benefits, and the strength, stability, growth, and profitability that comes from being a member of the Tokio Marine Group of Companies. Tokio Marine HCC is an equal opportunity employer. Please visit www.tmhcc.com for more information about our companies.## Additional Working Conditions and Physical Conditions* Overtime hours may be required to fulfill job responsibilities* May be required to remain stationary for extended periods of time* May be required to move up to 10 pounds* Must be able to operate a computer and other devices* Close vision and ability to adjust focus, such as required to read a computer screen* Regular travel (up to 50% of time)Your success is our priority. In a world that is rapidly changing, TMHCC enables you to take on opportunities with confidence. At Tokio Marine HCC, we pride ourselves on hiring the smartest, most conscientious people, who want to make a difference no matter their background. And then we give them the support and trust they need. We’re always looking for curious, creative transformative thinkers who want to change the status quo and have a passion for doing the right thing. If this is you, then we want you on our team.