Lead Enterprise IT Systems Architect - TS/SCI with Polygraph

General Dynamics Information Technology•Chantilly, VA

9d•$212,500 - $287,500•Onsite

About The Position

GDIT is seeking a Lead Enterprise IT Systems Architect to serve as the sole architectural authority for a major Department of War program. This role owns the enterprise technical vision and is responsible for designing, integrating, modernizing, and governing program systems. The architect will establish standards, ensure alignment with mission and operational requirements, and guide secure, automated, and scalable solutions across technology domains. The position covers enterprise architecture across VDI, identity and messaging, storage, unified communications, operating systems, automation, cloud, hybrid, on-premises, and classified environments. The architect will ensure cybersecurity and compliance alignment, assess existing technologies, develop modernization strategies and roadmaps, maintain authoritative architecture documentation, and guide engineering initiatives in collaboration with government leadership and technical teams. This is an onsite role in Chantilly, Virginia, requiring an active TS/SCI clearance with Polygraph and U.S. citizenship. The schedule is 40 hours per week, with no travel required. The advertised salary range is $212,500–$287,500; compensation may vary based on experience, geographic location, and contractual requirements. GDIT describes its culture as mission-focused and offers career-growth resources, internal mobility support, rewards, and a military-friendly workplace.

Requirements

Active TS/SCI security clearance with Polygraph.
U.S. citizenship.
Bachelor’s degree in computer science, Information Systems, Engineering, or a related technical field.
At least 10 years of related experience, including at least five years of specialized design experience with large-scale enterprise IT services, cloud-native computing or adoption, system architecture, software integration, DevSecOps, and SOA/SOI of similar size, scope, and complexity.
Track record designing resilient architectures, including redundancy assessments, risk mitigation, and infrastructure integration in Department of War or enterprise environments.
Strong communication and stakeholder-management skills, including the ability to translate requirements into technical solutions.
Experience designing and integrating large-scale, multi-technology enterprise environments using Citrix and Azure VDI platforms; Active Directory, Azure AD, and Exchange; NetApp storage; unified communications platforms; and Windows Server and RHEL.
Strong experience with automation and orchestration, including IaC, CI/CD pipelines, and enterprise configuration management.
Broad technical expertise across networking, cloud architectures (IL2–IL6), virtualization, identity services, data flows, and cybersecurity.
Deep understanding of RMF, NIST controls, STIGs, DoWAF, and Zero Trust principles.
Excellent written and verbal communication skills, including the ability to brief senior Department of War stakeholders.

Nice To Haves

AWS Certified Solutions Architect – Professional or Azure Solutions Architect Expert certification.
CISSP certification.
Citrix Architect certification.
NetApp NCIE or NCIP certification.
RHEL certification.
TOGAF certification.
Infrastructure as Code-related certifications.
ITILv4 certification.
COBIT certification.
ISO standards certifications or experience.
Department of War Architecture Framework (DoWAF) certification or experience.
Experience supporting classified environments such as SIPR or JWICS, or major defense acquisition programs.

Responsibilities

Serve as the single enterprise architect for the program, establishing and governing architecture standards and technical direction.
Develop and maintain enterprise architectures aligned with mission and operational requirements.
Architect and optimize solutions involving Citrix Virtual Apps and Desktops, Azure Virtual Desktop, Active Directory, Azure AD, Exchange, NetApp ONTAP, unified communications, Windows Server, and RHEL.
Lead automation and orchestration initiatives using Infrastructure as Code, CI/CD pipelines, and configuration management tools such as Terraform, Ansible, PowerShell DSC, and Git-based workflows.
Design secure, scalable architectures across on-premises, cloud, hybrid, and classified environments.
Ensure compliance with RMF, NIST 800-series controls, STIGs, Zero Trust principles, and Department of War cybersecurity requirements.
Conduct technical assessments and develop modernization strategies, enterprise roadmaps, and transition plans.
Create and maintain architecture deliverables, including diagrams, data flows, interface specifications, and reference designs.
Collaborate with government leadership, cybersecurity teams, engineering teams, and operations personnel to guide and validate architecture decisions.
Provide senior-level oversight for major engineering initiatives and ensure alignment with enterprise architecture standards and mission priorities.

Benefits

Medical plan options, some with Health Savings Accounts.
Dental plan options.
Vision plan.
401(k) plan with company match.
Full flex work weeks where possible.
Paid time off, including vacation, sick and personal time, holidays, and paid parental, military, bereavement, and jury duty leave.
Short- and long-term disability benefits.
Life, accidental death and dismemberment, personal accident, critical illness, and business travel and accident insurance, provided or available.
Wellness packages.
Career-growth tool identifying career steps and learning opportunities.
Internal mobility team focused on career goals.
Competitive pay and paid time off.
Military-friendly workplace.