Senior Security Engineer

About the role

Wedbush Securities is seeking a Senior Security Engineer to join our Information Technology team. This role is responsible for monitoring, deploying, and supporting network security functions and solutions within the enterprise.

Responsibilities

• 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
• 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
• Maintain 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

Requirements

• 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

Qualifications

• Experience with security metrics, reporting, and visualization tools (e.g., Power BI, Sentinel workbooks)
• Experience supporting security awareness training platforms (e.g., Ninjio or equivalent)
• Experience with scripting/Automation (PowerShell, Python) and cloud security fundamentals (Azure, AWS, GCP) preferred

Benefits

• 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