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Team Lead, Threat Researcher

Securonix

Securonix

Dallas, TX, USA
Posted on Aug 11, 2025

At Securonix, we’re on a mission to secure the world by staying ahead of cyber threats, reinforcing all layers of our platform with AI capabilities. Our Securonix Unified Defense SIEM provides organizations with the first and only AI-Reinforced solution built with a cybersecurity mesh architecture on a highly scalable data cloud. Enhanced by Securonix EON’s AI capabilities, our innovative cloud-native solution delivers a seamless CyberOps experience, empowering organizations to scale their security operations and keep up with evolving threats.

Recognized as a five-time leader in the Gartner Magic Quadrant for SIEM and highly rated on Gartner Peer Insights, our award-winning Unified Defense SIEM provides organizations with 365 days of ‘hot’ data for rapid search and investigation, threat content-as-a-service, proactive defense through continuous peer and partner collaboration, and a fully integrated Threat Detection, Investigation, and Response (TDIR) experience—all within a single platform. Built on a cloud-native architecture, the platform leverages the Snowflake Data Cloud for unparalleled scalability and performance.

Securonix is proud to be a cybersecurity unicorn and featured in CRN's 2024 Security 100 list. Backed by Vista Equity Partners, one of the largest private equity firms with over $100 billion in assets under management, we have a unique advantage in driving innovation and growth. With a global footprint, we serve more than 1,000 customers worldwide, including 10% of the Fortune 100. Our network of 150+ partners and Managed Security Service Providers (MSSPs) enables us to deliver unmatched security solutions on a global scale.

At Securonix, we are driven by our core values and place our people at the heart of everything we do:

  • Winning as One Team: We work together with universal respect to achieve aligned outcomes
  • Customer Driven Innovation: We innovate to stay ahead of the market and create value for our customers
  • Agility in Action: We embrace change and are unified in our purpose and objectives amidst change

Join us as we redefine cybersecurity, innovate fearlessly, and grow together as one team!

POSITION SUMMARY:

At Securonix, we're redefining how organizations detect and respond to advanced cyber threats. We are looking for a passionate, deeply skilled, and creative Threat Researcher - Team Lead to join and guide our elite Global Behavioral Protection team. This is a unique player-coach opportunity to apply your own deep expertise in threat analysis, malware hunting, and detection engineering, while mentoring a team of fellow researchers to collectively enhance real-time protection for thousands of our customers.

You will remain deeply hands-on, leading by example as the team's most senior researcher. You will personally dive into attacker behavior, crafting sophisticated behavioral detection logic and tackling the most complex threats. Your mission is to be the force multiplier for the team: elevating their skills, guiding their research, and steering their collective output while simultaneously making critical individual contributions. You will be the lead intellectual author for the mechanisms that power Securonix's next-generation protection capabilities, blending your advanced, hypothesis-driven research with hands-on engineering and mentorship.

If you thrive on creative problem-solving, have a drive to lead from the front, and are excited by the challenge of building evasive-proof detection mechanisms as a team - this is your chance to make a measurable difference in cybersecurity.

POSITION RESPONSIBILITIES:

  • Lead & Conduct Advanced Research: Act as the team's lead researcher, personally conducting in-depth, hypothesis-driven behavioral analysis of emerging and "in-the-wild" threats. Convert your own research and your team's findings into high-fidelity detection rules and analytics using Securonix SIEM/UEBA logic.
  • Mentor and Collaborate: Guide and train mid-level team members in advanced threat analysis, peer-reviewing their work to elevate its quality and impact. Work closely with the Detection Engineering, Content, and Data Science teams to continuously improve the production detection portfolio and prototype new product features.
  • Perform Hands-On Technical Analysis: Serve as the senior expert for the most complex technical challenges. Perform advanced static and dynamic analysis of malware, dissect exploits, and track sophisticated threat actors to extract novel TTPs that form the basis for new detection content.
  • Bridge Research and Detection: Act as the lead technical translator, responsible for articulating how new adversary techniques can be observed and workshopping detection strategies with the team. You will personally author, prototype, and validate the team’s most critical detections.
  • Author, Evangelize, and Guide: Produce high-quality threat analysis reports and technical blogs for internal and external audiences. Guide your team members in developing their own research for publication and represent Securonix by presenting your collective work at major industry conferences.
  • Develop and Automate: Lead the development and automation of tools and workflows (e.g., using Python/Lua) to scale the entire team's analysis capabilities, improve efficiency, and accelerate the detection lifecycle.

REQUIRED SKILLS:

  • 8+ years of hands-on experience in cybersecurity, with a strong focus on threat analysis, malware reverse engineering, and/or detection engineering using SIEM platforms.
  • Proficient in log analysis and detection engineering practices with using Detection-as-Code (such as Sigma), as well as incorporating these into automation CI/CD pipelines.
  • Proven ability to lead complex technical projects and formally or informally mentor fellow researchers in security concepts.
  • Strong programming and scripting experience for automation and analysis (Python is required).
  • Proven ability to author and validate robust detection logic and analytics based on research findings.
  • Deep understanding of the MITRE ATT&CK framework, threat actor behaviors, and modern offensive tradecraft.
  • Excellent analytical and problem-solving skills, with a proven ability to think strategically and creatively to get ahead of attackers.

PREFERRED SKILLS:

  • A public portfolio of personal security research (e.g., personal blog, GitHub, conference presentations at venues like Black Hat/DEFCON).
  • Experience in a role that involved formally mentoring or guiding junior team members.
  • Experience with "detection-as-code" principles and CI/CD workflows (e.g., Jenkins, GitLab CI).
  • Hands-on experience with managing honeypots or other deception environments.
  • Familiarity with Lua.
  • Prior experience building or researching detections in AI/ML-driven security ecosystems.
  • A Bachelor's or Master's Degree in Computer Science, Cybersecurity, or a related technical field.

BENEFITS:

  • Our medical insurance is with Cigna as we offer 4 plans to choose from. Our vision and dental insurance are both PPO plans.
  • Securonix pays for your STD, LTD and Basic Life AD&D benefit.
  • Securonix also provides you access to the Employee Assistance Program (EAP) at no cost.
  • This program, available through Mutual of Omaha, provides professional, confidential telephonic or face-to-face counseling services to you and your loved ones.
  • With our 401(K) you are eligible to participate the 1st of the month, following 60 days of employment.

At Securonix we offer a Flexible Time Off plan, please speak to one of our Talent Attraction Specialists for details.

Securonix is an equal opportunity employer committed to fostering an innovative, inclusive, diverse and discrimination-free work environment. Employment with Securonix is based on merit, competence, and qualifications. It is our policy to administer all personnel actions, including recruiting, hiring, training, and promoting employees, without regard to race, color, religion, gender, sexual orientation, gender identity, national origin or ancestry, age, disability, marital status, veteran status, or any other legally protected classification in accordance with applicable federal and state laws. Consistent with the obligations of these laws, Securonix will make reasonable accommodations for qualified individuals with disabilities.

Furthermore, as a federal government contractor, Securonix maintains an affirmative action program which furthers its commitment and complies with recordkeeping and reporting requirements under certain federal civil rights laws and regulations, including Executive Order 11246, Section 503 of the Rehabilitation Act of 1973 (as amended) and the Vietnam Era Veterans' Readjustment Assistance Act of 1974 (as amended).

As part of our compliance with these obligations, Securonix invites you to voluntarily self-identify as set forth below. Provision of such information is entirely voluntary and a decision to provide or not provide such information will not have any effect on your employment or subject you to any adverse treatment. Any and all information provided will be considered confidential, will be kept separate from your application and/or personnel file, and will only be used in accordance with applicable laws, orders and regulations, including those that require the information to be summarized and reported to the federal government for civil rights enforcement purposes.