Lead Security Engineer II, Splunk Security Content Visualization Expert; Secret Clearance

Our Deloitte Cyber team understands the unique challenges and opportunities businesses face in cybersecurity. Join our team to deliver powerful solutions to help our clients navigate the ever‑changing threat landscape. Through powerful solutions and managed services that simplify complexity, we enable our clients to operate with resilience, grow with confidence, and proactively manage to secure success.

As a Lead Security Engineer II on the Government & Public Services team, you will be responsible for:

• Design, customize, configure, and optimize Splunk dashboards, applications, alerts, and visualizations to improve SOC performance and maturity.
• Develop advanced reporting and visualizations to support SOC operations and stakeholder requirements.
• Build, test, document, implement, and tune security content across the full lifecycle, including data models, dashboards, correlation logic, searches, and alert notifications.
• Perform advanced searches and analysis in large‑scale SIEM environments.
• Analyze, trend, and filter security log data from multiple sources, including firewalls, IDS/IPS, hosts, load balancers, and other security and monitoring tools.
• Develop and enhance custom SPL using macros, lookups, regex, and network-based logic.
• Support SOP development, updates, implementation, and training.
• Mentor junior and mid‑level analysts on SOC processes, content development, and detection practices.
• Identify and use indicators of compromise (IOCs) and network traffic indicators to detect anomalous activity, including lateral movement.
• Support enterprise logging use cases across application, operating system, and security device logs.

• Ability to work independently and collaborate as part of a team
• Effective written and verbal communication skills
• Meticulous attention to detail and quality of work product
• Ability to build and sustain professional relationships
• Ability to lead projects or work streams
• Ability to manage and prioritize multiple tasks in a fast‑paced and dynamic environment
• Strong interpersonal skills and professional demeanor
• Ability to meet deadlines
• Ability to mentor and provide clear guidance to others

Deloitte's Government & Public Services (GPS) practice—our people, ideas, technology and outcomes— is designed for impact. Serving federal, state, & local government clients as well as public higher education institutions, our team of professionals brings fresh perspective to help clients anticipate disruption, reimagine the possible, and fulfill their mission promise.

Our Cyber Defense & Resilience offering assists clients in defending against advanced threats by transforming security operations, monitoring technology, data analytics, and threat intelligence. It helps manage and protect dynamic attack surfaces and provides rapid crisis and cyber incident response, ensuring clients can be ready for, respond to, and recover from business disruptions.

The Project Delivery Talent Model is designed for professionals with specialized skills that align to a current client need. Team members focus on delivering services to clients, without additional expectations related to business development or promotion. Their employment is tied to their role on a project, and they are eligible for a benefits package that is competitive for project delivery‑focused professionals.

• Bachelor's Degree required.
• Active Secret Clearance required.
• Ability to work onsite in Herndon, VA up to 3 days a week.
• 3+ years of experience within the following:
  • Extensive experience designing and configuring SIEM applications, dashboards, and visualizations for medium‑to‑large SOC environments.
  • Extensive experience developing advanced reporting, searches, alerts, and dashboards in Splunk or similar enterprise SIEM platforms.
  • Extensive experience analyzing high volumes of security log data from diverse enterprise security technologies.
  • Experience optimizing SIEM security content and implementing SOC processes and SOPs.
  • Experience mentoring junior and mid‑level analysts.
  • Experience with enterprise logging solutions, regex, custom log parsing, and network security tools.
• Ability to travel 15%, on average, based on the work you do and the clients and industries/sectors you serve.
• Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future.
• Candidate must possess one of the following certifications: CISSP, GCIH, GCFA, GPEN, GWAPT, GCIA, or equivalent.