Senior Security Engineer

Wedbush Securities is one of the largest securities firm and investment banks in the nation. We provide innovative financial solutions through our Wealth Management, Capital Markets, Futures and Advanced Clearing and Prime Services divisions. Headquartered in Los Angeles, California with over 100 offices and more than 80 correspondent offices, our commitment to providing relentless, customized services is the foundation of our consistent growth.

Our Information Technology team is looking for a Senior Security Engineer to join our team. The position is responsible for the monitoring, deployment, and support of the security functions and solutions within the enterprise with a specific emphasis on Network Security. The role will engage and support multiple security related projects and technologies, interfacing with others within the IT organization as well as other internal business units and external customers/partners.

Responsibilities include, but are not limited to:

• Monitor security alerts, events, and telemetry across the enterprise using Microsoft Sentinel and Microsoft Defender XDR
• Triage and investigate alerts, distinguishing true positives from false positives and prioritizing based on severity and business impact
• Perform threat investigations using KQL queries in Microsoft Sentinel Log Analytics and Microsoft Defender Advanced Huntin
• Develop, tune, and maintain detection content, including analytics rules, automation rules, workbooks, and Logic App playbooks
• Improve detection quality and reduce alert fatigue through continuous optimization and false positive tuning
• Produce and analyze SOC metrics (e.g., alert volumes, MTTD, MTTR, incident trends, SLA adherence) and deliver clear, actionable reporting to stakeholders
• Monitor and manage the security awareness training platform (Ninjio), ensuring compliance with mandatory training requirements
• Track and report on training completion, identifying delinquency trends across teams and escalating non-compliance as needed
• Design and execute phishing simulation campaigns, including realistic attack scenarios (e.g., credential harvesting, BEC, malicious attachments, QR phishing)
• Analyze phishing campaign results (open, click, and submission rates) and document outcomes, insights, and improvements
• Support the full vulnerability management lifecycle, including assessment, prioritization, remediation tracking, and validation
• Review and triage vulnerability scan results, coordinate remediation with technical teams, and maintain an accurate vulnerability register
• Perform other duties as required and assigned

• Associate's Degree required; Bachelor's Degree preferred
• Minimum of 3+ years of related experience, ideally within the financial services or brokerage-dealer industry
• Proficiency in Microsoft Defender XDR (Endpoint, Identity, MDO, Cloud Apps)
  Proficient in threat hunting methodologies, including MITRE ATT&CK framework
• Solid understanding of SIEM/SOAR concepts and security operations workflows
  Experience working with Microsoft Sentinel, including KQL, analytics rules, workbooks, and playbooks
• Working knowledge of the incident response lifecycle
• Experience with security metrics, reporting, and visualization tools (e.g., Power BI, Sentinel workbooks)
  Working knowledge of ITSM/ticketing platforms, including ServiceNow or Jira
• Strong understanding of vulnerability management tools and frameworks (e.g., Defender VM, Rapid7, CVSS scoring)
  Experience supporting security awareness training platforms (e.g., Ninjio or equivalent)
• Strong analytical, problem-solving, and decision-making skills
• Effective communication with the ability to collaborate across teams and stakeholders
• Familiarity with Azure and Microsoft 365 security architecture preferred
• Knowledge of Palo Alto Networks NGFW and Prisma Access Preferred
• Scripting/Automation (PowerShell, Python) and cloud security fundamentals (Azure, AWS, GCP) preferred

As part of our overall compensation package, Wedbush Securities offers an array of diverse benefits to all our colleagues. We believe that providing competitive benefit options yields the advantageous reward of establishing a healthy and inclusive foundational work culture.

• Comprehensive medical, dental, and vision coverage with multiple health plan options for you and your family
• Health Savings Account with company-sponsored contributions
• Flexible Spending Accounts (FSA) traditional and dependent care
• Pre-Tax Commuter Benefits
• 401(k) plan with discretionary, competitive company matching and profit-sharing contributions
• Tuition reimbursement up to $5,250/year
• 3 weeks of Paid Time Off
• 2 weeks of Paid Sick Time (may vary by location)
• 10 Paid Holidays
• Charitable Donation Matching Contributions
• Paid Leave (Parental Bonding, Military, Jury Duty, Volunteer Time Off, Disability, etc.)
• FINRA License Sponsorship
• Travel & Employee Assistance and Employee Discount Programs

The reasonable estimate of the compensation range for this role has not been adjusted for the applicable geographic location. A reasonable estimate of the current hiring range is $145,000- $165,000. Colleagues may be eligible for additional, discretionary incentive compensation based on the colleague's and the firm's performance. Decisions regarding compensation are determined on a case-by-case basis and are dependent on a variety of factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.

Wedbush Securities (WS) is proud to be an Equal Employment Opportunity employer. WS does not discriminate based on race, religion, color, creed, sex, sexual orientation, gender, gender identity or expression, national origin, ancestry, citizenship status, registered domestic partner status, uniform service member status, marital status, pregnancy, age, medical condition, disability, genetic information, family care or medical leave status, or any other consideration made unlawful by applicable federal, state, or local laws, or on the basis that an applicant or Colleague is perceived to have these characteristics or is associated with someone who is perceived to have these characteristics. WS aims to foster a culture of inclusion where all Colleagues are valued for their unique contributions to the firm as well as provided equal opportunities to succeed.

Wedbush uses E-Verify, an Internet-based system, to confirm the eligibility of all newly hired employees to work in the United States. Learn more about E-Verify, including your rights and responsibilities here https://www.e-verify.gov/employees/e-verify-overview

This position is subject to various laws or regulations that impose restrictions or prohibitions for employment with Wedbush due to criminal history. Those laws or regulations include but are not limited to, the following: Securities Exchange Act of 1934 (SEA) Rule 17a-3, et. seq., Financial Industry Regulatory Authority (FINRA) Rules 3110(e), Rule 4530(a), etc., and FINRA Regulatory Notice 07-55

From: Wedbush Securities