Lead Enterprise IT Systems Architect - TS/SCI with Polygraph

GD Information Technology•Chantilly, VA

9d•Onsite

About The Position

We are seeking a Lead Enterprise IT Systems Architect to serve as the sole architectural authority for a major Department of War program. The role owns the enterprise technical vision and is responsible for designing, integrating, modernizing, and governing systems across the program. The architect will define standards, ensure alignment with mission requirements, and drive secure, automated, and scalable solutions across technology domains. The architect will develop enterprise architectures and roadmaps; guide major engineering initiatives; and create authoritative deliverables such as diagrams, data flows, interface specifications, and reference designs. The position covers on-premises, cloud, hybrid, and classified environments, with technologies including VDI, identity and messaging, storage, unified communications, Windows Server, and Red Hat Enterprise Linux. It also leads automation and orchestration initiatives and ensures architectures meet applicable cybersecurity and mission requirements. This is an onsite role in Chantilly, Virginia, with 40 scheduled hours per week and no travel required. An active TS/SCI clearance with polygraph and U.S. citizenship are required. The stated likely salary range is $212,500–$287,500; actual compensation may vary based on experience, location, and contractual requirements.

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 5 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.
Demonstrated experience designing resilient architectures, assessing redundancy, mitigating risk, integrating with infrastructure, managing stakeholders, communicating effectively, and translating 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.
IaC-related certifications.
ITILv4, COBIT, ISO standards, or Department of War Architecture Framework (DoWAF) credentials 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 across VDI platforms, identity and messaging services, storage, unified communications, and Windows Server and RHEL operating systems.
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, develop modernization strategies, and produce 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

Comprehensive benefits and wellness packages.
401(k) plan with company match.
Competitive pay and paid time off.
Medical plan options, including some with Health Savings Accounts.
Dental and vision plan options.
Flexible work weeks where possible.
Paid vacation, sick and personal time, holidays, 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.
AI-powered career tool identifying career steps and learning opportunities.
Internal mobility team focused on career goals.