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 SummaryEastBay 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.ResponsibilitiesServe as a technical subject matter expert (SME) in support of enterprise SOC operations and toolsRespond to and resolve cybersecurity incidents and ServiceNow ticketsManage, upgrade, and maintain cybersecurity tools and infrastructure—some after-hours work may be requiredCreate technical documentation and diagrams (e.g., Microsoft Visio) to support ongoing operations and security tool architectureRecommend and present new security tools or enhancements to stakeholdersContribute to the development of advanced detection analytics and countermeasuresSupport system integration, testing, deployment, and O&M of security toolsTroubleshoot complex issues within a multi-system security architectureApply and support implementation of NIST 800-53 r4/r5 control requirementsParticipate in investigation and resolution of security incidents and vulnerabilitiesMinimum QualificationsBachelor’s Degree in Computer Science, Engineering, Information Systems, or related field7+ years of experience in cybersecurity, with at least 4 years in a cybersecurity engineering roleProficiency with at least 3 of the following technologies:CrowdStrikeMicrosoft Defender for EndpointExtraHopForeScoutGigamonMicrosoft Sentinel KQLFamiliarity with cybersecurity engineering lifecycle: design, development, integration, testing, and deploymentStrong understanding of NIST cybersecurity frameworks and risk mitigation strategiesExperience supporting investigations and analysis of complex security problemsScripting proficiency in one or more languages: Python, PowerShell, BashPreferred QualificationsExperience with Cisco Routing & Switching, Cisco Firepower IPS/Firewall, or Cisco WSAFamiliarity with SIEM tools, data lakes, and development of security analyticsExperience with US-CERT or similar federal environmentsAbility to assess emerging security technologies and recommend implementation strategiesSecurity Certifications (one or more preferred):Security+CISSPGIAC / SANS CertificationsNetwork+Microsoft AZ-900Why Join EastBay Systems?Competitive compensation and performance-based incentivesFull benefits package (health, dental, vision)401(k)Paid time off and federal holidaysContinuing education opportunitiesWork on meaningful, high-impact federal programsWork-life balanceApply NowIf you’re ready to join our team send it your resume to jobs@eastbaysystems.com