IT Modernization Lead
GDIT is seeking an IT Modernization Lead to drive the design, integration, and execution of enterprise IT modernization initiatives across mission-critical environments. This role performs advanced, non-routine technical leadership functions requiring independent judgment, broad technical authority, and accountability for delivering secure, scalable, and resilient solutions across network, system, and cybersecurity domains. The IT Modernization Lead serves as the senior technical integrator and engineering authority across all disciplines, leading and coordinating System Architects, Network Engineers, Cybersecurity personnel, and Operations teams to deliver cohesive, mission-aligned solutions. This role maintains direct hands-on technical responsibility while establishing architectural direction, enforcing standards, and ensuring integration across multi-domain, multi-enclave, and coalition environments. This position also serves as the senior cybersecurity integration lead, ensuring that security is embedded across all modernization efforts and that enterprise solutions align with Zero Trust principles, regulatory requirements, and operational mission needs. Responsibilities: Modernization & Technical Leadership:Lead the planning, design, and execution of enterprise IT modernization initiatives across network, system, cloud, and cybersecurity domainsServe as the senior technical authority across all engineering functions, ensuring integration of network, compute, storage, and security architecturesEstablish and enforce enterprise architecture standards, engineering processes, and technical governance across the programProvide hands-on leadership in solution design, system integration, and operational transition of modernized capabilitiesLead design and implementation of resilient, scalable architectures supporting high availability, fault tolerance, and mission continuityDrive adoption of Zero Trust architecture and secure-by-design principles across all technical implementationsIntegrate Mission Partner Environment (MPE) and coalition capabilities, ensuring interoperability across multi-national and multi-security domain environments Network Architecture & CCIE-Level Technical Oversight:Provide expert-level design and oversight of enterprise network architectures, including core routing, switching, transport, and edge connectivityLead development and optimization of complex LAN/WAN, SD-WAN, and hybrid cloud network environments supporting mission operationsArchitect and oversee routing protocols (BGP, OSPF, EIGRP), traffic engineering, segmentation, and network convergence strategiesEnsure high-performance, low-latency, and resilient network transport across geographically dispersed and contested environmentsLead advanced troubleshooting and root cause analysis of complex network issues impacting mission-critical servicesOversee integration of network security controls including firewalls, VPNs, encryption (e.g., TACLANE), and secure transport mechanismsGuide implementation of network segmentation, micro-segmentation, and secure enclave design aligned to Zero Trust and multi-domain requirements Cybersecurity Leadership & Integration:Lead and oversee technical security assessment activities across the enterprise, ensuring identification of vulnerabilities, non-compliance, and systemic risksEstablish and enforce cybersecurity design standards and ensure integration of security requirements across all engineering disciplinesProvide leadership in validating system security requirements, architectures, and designs, ensuring alignment with enterprise security policies and mission needsOversee the design and integration of Information Assurance (IA) and cybersecurity capabilities across networking, computing, and enclave environments, including multi-enclave and multi-classification systemsEnsure cybersecurity is embedded throughout the system lifecycle, from architecture through deployment and sustainmentGuide architects and engineers in implementing appropriate security controls and capabilities to ensure consistent application of enterprise security policyLead development and maturation of enterprise security architecture, including Zero Trust and cross-domain solutionsEstablish and enforce trusted relationships among external systems, partner networks, and integrated architecturesOversee risk management activities, ensuring threats and vulnerabilities are identified, assessed, and mitigated throughout the program lifecycleProvide leadership support for RMF, ATO, continuous monitoring, and compliance activities, ensuring adherence to DoW STIGs and cybersecurity frameworksContribute to security planning, risk analysis, certification, and awareness efforts across system and network operations Service Delivery & Operational Integration:Ensure modernization solutions are aligned with ITIL 4 practices, including service level management, incident response, problem management, and continual improvementDrive integration of modernized capabilities into operational environments, ensuring sustainment, monitoring, and lifecycle managementCollaborate with Service Delivery and Operations leadership to ensure solutions meet operational performance requirements and mission needsEstablish metrics and reporting frameworks aligned to SLAs, KPIs, and mission outcomes Leadership & Team Integration:Lead, mentor, and provide technical direction to engineers, cybersecurity personnel, and technical staff across all program areasCoordinate cross-functional teams to deliver integrated solutions across network, systems, cybersecurity, and operations domainsProvide input to performance evaluations, tasking, and workforce development planningFoster a culture of accountability, collaboration, and continuous improvement aligned with mission execution Required Qualifications:Bachelor's degree and 8+ years of experience (or 11 years of experience without a degree)Top Secret security clearanceCertification: CISSPExtensive experience leading enterprise IT modernization efforts across network, system, and cybersecurity domainsDemonstrated expertise in designing and implementing complex network architectures at an enterprise scaleExpert-level knowledge of routing, switching, and network design principles consistent with CCIE-level capabilityStrong experience integrating cybersecurity into enterprise architectures and system designDeep knowledge of RMF, ATO processes, continuous monitoring, and DoW cybersecurity frameworksKnowledge of DoW STIGs, Zero Trust architecture, and multi-security domain service deliveryExperience operating within multi-enclave and multi-classification environmentsProven ability to lead and integrate cross-functional engineering teams Desired Skills:CCIE certification or equivalent experience strongly preferredExperience supporting Mission Partner Environment (MPE) or coalition operationsKnowledge of Cross Domain Solutions (CDS) technologiesExperience with cloud and hybrid architectures (AWS, Azure, GovCloud)Familiarity with ITIL 4 practices and enterprise ITSM platforms (e.g., ServiceNow)Experience supporting operational command and control (C2) or CJADC2 initiativesStrong executive communication skills with ability to engage senior leadership and technical teams GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we do.Growth: AI-powered career tool that identifies career steps and learning opportunitiesSupport: An internal mobility team focused on helping you achieve your career goalsRewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time offCommunity: Award-winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and youll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward. #DefendTheIndoPacific
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