Data Center Security Lead

General Dynamics Information Technology•Newington, VA

5d•$162,037 - $219,227•Hybrid

About The Position

GDIT is seeking a Data Center Security Lead for its Federal Civilian Division to support a large-scale, global Cloud and Data Center Services program for the U.S. Department of State’s Bureau of Diplomatic Technology. The role leads security operations across enterprise data centers and hybrid cloud platforms, protecting mission-critical systems and supporting continuous compliance and resilience. Responsibilities span vulnerability scanning and remediation, patch management, endpoint detection and response, Zero Trust enforcement, access governance, Authority to Operate (ATO) lifecycle management, audit preparation, and integration with Security Operations Center tooling and processes. The lead oversees security tooling and processes, including vulnerability scanning, patching, endpoint protection, security monitoring, and identity and access controls. The role supports NIST Risk Management Framework activities, federal cybersecurity standards, STIGs, FedRAMP, continuous monitoring, incident coordination, and security modernization initiatives. The position is hybrid within the National Capital Region, with periodic travel to customer and data center sites.

Requirements

Bachelor’s degree in Information Technology, Cybersecurity, Computer Science, or Engineering.
At least 8 years of relevant experience supporting enterprise cybersecurity operations, vulnerability management, patching, monitoring, or endpoint protection.
Demonstrated experience in data center environments with hybrid infrastructure and multi-platform security responsibilities.
CompTIA Security+, CISSP, or CISM certification.
Strong expertise with Tripwire, Cortex XDR, SIEM platforms, and Archangel security/risk management.
Deep understanding of vulnerability scanning tools such as Tenable/Nessus and Qualys, patch management workflows, endpoint protection technologies, security control baselines, and STIGs.
Familiarity with Zero Trust principles, ATO documentation packages, NIST RMF, FedRAMP, and federal cybersecurity requirements.
Experience securing hybrid infrastructure, including VMware, NetApp, Windows and Linux servers, network devices, and public cloud services.
Active Top Secret clearance.
U.S. citizenship required.

Nice To Haves

Master’s degree in Information Technology, Cybersecurity, Computer Science, or Engineering.
Ability to obtain a Top Secret clearance is listed, in addition to the requirement for an active Top Secret clearance.

Responsibilities

Lead enterprise vulnerability scanning operations, including policy configuration, scan execution, triage, and remediation coordination across DT-managed systems.
Oversee patch management for Windows, Linux, network appliances, and hypervisors, ensuring compliance with DT security directives.
Manage vulnerability remediation workflows, POA&Ms, patch exception requests, and risk reporting to DT cybersecurity leadership.
Oversee endpoint security platforms, including Cortex XDR and Tripwire file integrity monitoring, and ensure accurate detection and policy enforcement.
Integrate alerts, logs, and telemetry into enterprise SIEM platforms for correlation, analytics, and operational response.
Monitor and tune security controls to reduce false positives and improve visibility across data centers and cloud workloads.
Implement and maintain Zero Trust-aligned security architecture across data center and hybrid cloud environments.
Oversee access control policies, privileged access workflows, multifactor authentication, least-privilege reviews, and secure onboarding and offboarding.
Ensure accurate and auditable access records across virtualization, storage, network, and cloud platforms.
Lead ATO readiness and maintenance by managing documentation, security control inheritance, SSP updates, and audit evidence coordination.
Support NIST RMF activities, including categorization, control implementation, control assessments, and continuous monitoring.
Maintain alignment with federal cybersecurity standards, STIGs, FedRAMP, and DT security policies.
Oversee continuous monitoring dashboards, compliance scorecards, vulnerability trend reports, patch compliance metrics, and EDR effectiveness reporting.
Collaborate with SOC analysts and DT leadership to provide insights into threat posture, gaps, and recommended improvements.
Support integration and optimization of security telemetry from Tripwire, Cortex, SIEM platforms, and Archangel.
Collaborate with the SOC, incident response teams, and system owners during investigations, containment, eradication, and recovery.
Provide technical leadership for incident root-cause analysis, corrective action plans, and long-term control improvements.
Partner with engineering teams, data center operations, cloud service engineers, system owners, and DT cybersecurity leadership to ensure security coverage.
Produce playbooks, SOPs, hardening guides, user access documentation, and technical training content for Government FTEs and support contractors.
Lead security modernization projects, pilots, tool evaluations, and capability uplift initiatives.