Lead Network Security Engineer

For over 18 years, EastBay Systems (formerly DANASTAR) has delivered advanced IT and cybersecurity consulting services to federal agencies. We specialize in Cybersecurity Program Management, SOC Support, Identity and Access Management (IAM), GRC, and secure software development. Our mission is to help government clients stay ahead of evolving threats through innovation, agility, and deep domain expertise.

We believe that action drives outcomes and that every challenge is an opportunity to build smarter, stronger, and more secure systems. As we expand, we’re seeking elite minds to help shape the future of our nation cybersecurity.

Position Summary

EastBay Systems is seeking a Lead Security Engineer to support a mission-critical federal cybersecurity program. This role supports the agency’s enterprise-level Security Operations Center (SOC), focusing on the design, maintenance, and evolution of core cybersecurity infrastructure and analytics. The ideal candidate is a proactive, highly technical security expert who thrives in dynamic environments and has experience leading a team of cybersecurity engineers supporting both on-prem and cloud-based security systems.

Responsibilities

• Serve as a technical subject matter expert (SME) in support of enterprise SOC operations and tools
• Respond to and resolve cybersecurity incidents and ServiceNow tickets
• Manage, upgrade, and maintain cybersecurity tools and infrastructure—some after-hours work may be required
• Create technical documentation and diagrams (e.g., Microsoft Visio) to support ongoing operations and security tool architecture
• Recommend and present new security tools or enhancements to stakeholders
• Contribute to the development of advanced detection analytics and countermeasures
• Support system integration, testing, deployment, and O&M of security tools
• Troubleshoot complex issues within a multi-system security architecture
• Apply and support implementation of NIST 800-53 r4/r5 control requirements
• Participate in investigation and resolution of security incidents and vulnerabilities

Minimum Qualifications

Bachelor’s Degree in Computer Science, Engineering, Information Systems, or related field

7+ years of experience in cybersecurity, with at least 4 years in a cybersecurity engineering role

Proficiency with at least 3 of the following technologies:

• CrowdStrike
• Microsoft Defender for Endpoint
• ExtraHop
• ForeScout
• Gigamon
• Microsoft Sentinel KQL

Familiarity with cybersecurity engineering lifecycle: design, development, integration, testing, and deployment

Strong understanding of NIST cybersecurity frameworks and risk mitigation strategies

Experience supporting investigations and analysis of complex security problems

Scripting proficiency in one or more languages: Python, PowerShell, Bash

Preferred Qualifications

Experience with Cisco Routing & Switching, Cisco Firepower IPS/Firewall, or Cisco WSA

Familiarity with SIEM tools, data lakes, and development of security analytics

Experience with US-CERT or similar federal environments

Ability to assess emerging security technologies and recommend implementation strategies

Security Certifications (one or more preferred):

Security+

CISSP

GIAC / SANS Certifications

Network+

Microsoft AZ-900

Why Join EastBay Systems?

Competitive compensation and performance-based incentives

Full benefits package (health, dental, vision)

401(k)

Paid time off and federal holidays

Continuing education opportunities

Work on meaningful, high-impact federal programs

Work-life balance