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# Systems Architect SME

- **Company:** General Dynamics Information Technology
- **Location:** Fort Belvoir, VA, United States
- **Experience:** Expert
- **Salary:** $187,179.0 - $253,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Access Network, Active Directory, Artificial Intelligence, Apache HTTP Server, Apache Tomcat, Systems Engineering, Microsoft Azure, Biometrics, Capability Maturity Model Integration, CompTIA Security+, Cyber Security, Databases, Disaster Recovery, Microsoft Exchange Server, Internet Information Services (IIS), Microsoft SQL Server, Windows Servers, Oracle (Applications), Public Key Infrastructure, Red Hat Enterprise Linux, Zero Trust Network Access, Vrealize Operations Manager (VROPS), RSA (Cryptosystem), Software Engineering, Virtual Local Area Networks, Virtualization Technology, VMware VSphere, Software Vulnerability Management, Information Security Management System, Enterprise Software Applications, Appian, SC Clearance, Virtual Computing, Information Technology, SolarWinds (Software), Vcenter, Nessus, Low-code, Hardware Infrastructure, Network Server, DODAF, Cisco, Plan of Action and Milestones, Vmware
- **Published:** September 4, 2026
- **Apply:** https://gdit.wd5.myworkdayjobs.com/External_Career_Site/job/USA-VA-Fort-Belvoir/Systems-Architect--SME_RQ227659-1/apply

## About the Role

Bring your technology expertise and drive for innovation to GDIT. The Systems Architect SME must have proven work experience in these areas of IT expertise along with these current IT certifications:

 * Skills: Enterprise Infrastructure Architecture, Virtualization Engineering (VMware vSphere), DoDAF Systems Design, RMF/Continuous ATO Compliance, Zero Trust Architecture
 * Certifications: DoW 8140 IAT Level II required (e.g., Security+ CE or equivalent) at time of hire. VMware Certified Professional (VCP) preferred. CMMI-DEV/SVC Level 3 process familiarity preferred., * BA/BS degree or equivalent, and 15+ years of related work experience.
 * Proven experience serving as a technical lead or chief architect advising program or senior management on technical strategy, risk, and resourcing decisions on a large, complex IT program, ideally within a Defense or Intelligence Community operational setting.
 * Proven experience managing, leading, and mentoring technical teams (systems administrators, infrastructure engineers, or similar) in an enterprise environment.
 * Deep technical expertise managing mixed operating system environments, specifically Red Hat Enterprise Linux (RHEL) and Windows Server, within a DISA STIG-compliant environment.
 * Hands-on architectural experience with enterprise virtualization (VMware vSphere/vCenter) and physical server hardware management, including experience supporting high-availability (99%+ uptime) production environments.
 * Strong foundational knowledge of Active Directory Domain Services (AD DS) and Microsoft Exchange.
 * Working knowledge of Risk Management Framework (RMF), continuous monitoring principles (NIST SP 800-137), and POA&M management in a DoD accredited system environment.
 * Exceptional interpersonal skills with a demonstrated ability to present technical roadmaps, risks, and solutions clearly to non-technical stakeholders and Government program leadership.
 * Must currently possess a Top-Secret clearance and be able to obtain and maintain SCI eligibility. TS/SCI preferred.
 * Must obtain and maintain DoD 8140 IAT Level II certification within the timeline required by contract policy. (e.g., Security+ CE or equivalent at time of hire.)
 * Work location is Fort Belvoir, VA, with occasional CONUS travel in support of programming requirements. (Less than 10% travel). Not a remote role., * Extensive experience operating within Department of War (DoW) frameworks, with a deep understanding of DISA STIGs and zero-trust architecture principles, including hands-on experience implementing Comply-to-Connect (C2C) network access controls.
 * Proficiency in designing and managing enterprise telemetry and vulnerability remediation using tools such as the SolarWinds product suite, Shavlik (Ivanti), and ACAS/Nessus scanning platforms.
 * Strong understanding of how virtualized systems interact with the physical network fabric (vSwitches, VLAN routing, and firewall rule integration), including TACLANE KG175 and COMSEC-adjacent network segments.
 * A track record of evaluating legacy processes and successfully implementing automation to reduce manual administration overhead, consistent with CMMI-DEV/SVC Maturity Level 3 process discipline.
 * Experience supporting cloud migration efforts, particularly on-premises to Azure IL5 or similar DoW-accredited cloud environments.
 * Familiarity with Appian-based or similar low-code enterprise application platforms in a sustainment context.
 * VMware Certified Professional (VCP) preferred. CMMI-DEV/SVC Level 3 process familiarity preferred., Years of Experience

15 + years of related experience

 * may vary based on technical training, certification(s), or degree
Certification

CompTIA Security+ CE | CompTIA - CompTIA

Capability Maturity Model Integration for Development (CMMI-DEV) | CMMI Institute - CMMI Institute

VMware Certified Professional - Cloud (VCP-Cloud) | VMware - VMware
Travel Required

Less than 10%
Citizenship

## Description

We are seeking a strategic Systems Architect SME to lead a highly technical team of systems, network, software and database engineers supporting the Defense Threat Reduction Agency's (DTRA) Defense Stockpile Management System (DSMS) Enterprise. This program provides full lifecycle sustainment for a system supporting accountability and reporting for DTRA's Nuclear Enterprise Directorate. In this role, you will serve as the program's technical lead and senior advisor to Program Management, overseeing the reliability, security, and modernization of the DSMS enterprise infrastructure, including the DIAMONDS system of record, the JADE development environment, and the NIMACS application platform. You will serve as the critical bridge between technical execution and Government stakeholder requirements, guiding the enterprise modernization roadmap, including the ongoing JADE-to-Azure IL5 cloud migration, while ensuring seamless collaboration across all IT engineering disciplines in a highly
secure, regulated environment governed by DoW Risk Management Framework and continuous Authority to Operate (ATO) requirements., * Serve as the Technical Lead for the program, providing senior technical advisory support to the Program Manager and Deputy Program Manager on architecture decisions, technical risk, resource trade-offs, and modernization priorities across all task areas.

 * Represent the technical position of the program in Government management reviews, technical exchange meetings, and design review boards, and translate technical risk into terms Program Management can be used to inform cost, schedule, and staffing decisions.
 * Direct, mentor, and empower a team of systems administrators and infrastructure engineers, driving operational excellence, workload prioritization, and technical skill development in support of a 99.7% monthly operational availability requirement across the DIAMONDS Enterprise and Central/Core virtual computing environments.
 * Drive the architectural design and health of a complex environment, including but not limited to VMware vSphere (vSAN, vROPs, SRM, vRA, Horizon VDI), Windows core service servers, Red Hat Enterprise Linux, 3rd party applications, IIS, Tomcat Apache, and databases (Microsoft SQL Server, Oracle). Support the DIAMONDS, JADE, and DATS operating environments, including Dell EMC server hardware and Cisco network devices.
 * Enforce strict security governance across the enterprise systems infrastructure. Ensure continuous compliance with DISA STIG security policies and implementation scheduling, manage the Plan of Action and Milestones (POA&M), update System Security Plan and Risk Management Framework (RMF) control documentation, manage PKI certificate servers, Active Directory, Group Policy, and oversee RSA user authentication servers.
 * Support the planning, design, and fielding of Zero Trust architecture and Comply-to-Connect (C2C) requirements in accordance with mandated DoW policy deadlines.
 * Break down silos by partnering closely with Network Engineering, Cybersecurity, Application Development, Database Administration, Field Support, and the DIAMONDS Support Center (DSC) to deliver cohesive, highly available services across all task areas.
 * Support quarterly Disaster Recovery switchover testing, meeting a two-hour Recovery Time Objective (RTO) and Recovery Point Objective (RPO) and translate complex stakeholder requirements into actionable modernization strategies.
 * Bridge the gap between legacy infrastructure constraints and future-state performance and security goals, including support for the migration of the JADE environment from on-premises infrastructure to the J6 IL5 Azure cloud.
 * Develop and maintain DoD Architecture Framework (DoDAF) artifacts for all network, host, workstation, and database systems, and support formal Government design reviews with zero major rework.
 * Support enterprise lifecycle management activities, including hardware and software refresh planning, end-of-life tracking, and cost estimation for full lifecycle refresh, ensuring 180-day advance alerts for all affected items.


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