Systems Architect SME- TS/SCI with Polygraph
GDIT· enterprise· Defense IT· Aug 28, 2026 · 2mo ago
Chantilly, VA
In office
Full-time
Principal
$264K–$358K
15+ years exp
Job description
Type of Requisition:
Regular
Clearance Level Must Currently Possess:
Top Secret SCI + Polygraph
Clearance Level Must Be Able to Obtain:
None
Public Trust/Other Required:
None
Job Family:
IT Infrastructure and Operations
Job Qualifications:
Skills:
Collaboration, Innovation, Systems Architecture Certifications:
None Experience:
15 + years of related experience US Citizenship Required:
Yes
Job Description:
SYSTEMS ARCHITECT SME
Join a mission-critical technology program where you ll help design, secure, and modernize a vital communications ecosystem that keeps field-to-base operations running around the world. This role puts you at the center of a major cloud modernization effort, working alongside a talented team to sustain and transform legacy systems into a cloud -first architecture, all while operating in a fast-paced agile environment. You ll bring technical leadership to a high-visibility program supporting national security missions, with the opportunity to work hands-on with cutting-edge cloud, development, and infrastructure technologies
Advance how our customers operate while you advance your career. Join GDIT as a Systems Architect SME and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.
MEANINGFUL WORK AND PERSONAL IMPACT
Track and manage all project requirements in the approved electronic repository (Jira).
Own the overarching system architecture, translating business needs and evolving requirements into a coherent, implementable technical vision for the portfolio.
Serve as the connective thread across infrastructure, data, and applications, ensuring interfaces, monitoring, and audit capabilities integrate cleanly and the data layer stays compatible with infrastructure, operating systems, and middleware.
Build alignment across a broad set of stakeholders, gathering input from technical teams, mission partners, and leadership to keep the architecture grounded in real operational needs.
Set the technical direction for the future, maintaining a living roadmap and staying ahead of industry trends to recommend the right technologies and techniques at the right time.
Champion technically sound, scalable, and secure design, holding development activity to a high bar as systems evolve and modernize.
Bring structure and consistency, tracking requirements systematically and ensuring the architecture is well governed through applicable reviews and control gates.
Develop and recommend guiding principles, definitions, and standards for system assets, along with a comprehensive automated test approach.
WHAT YOU’LL NEED TO SUCCEED
Bring your technology expertise and drive for innovation to GDIT. The Systems Architect SME must have:
Education: Bachelor of Arts/Bachelor of Science
Experience: 15 years of related experience
Security clearance level: TS/SCI with Polygraph
US citizenship required
Critical Core Competencies:
Cloud Services – Preferred certification in cloud technologies utilized by the Customer, such as AWS, Azure, Oracle and Google
Event Bus Programming - Has experience with publish/subscribe technologies and messaging products such as Microsoft Message Queuing (MSMQ), RabbitMQ, Apache Kafka, and/or Amazon Simple Queue Service (SQS).
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 opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
Community: Award-winning culture of innovation and a military-friendly workplace
OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operation
The likely salary range for this position is $264,350 - $357,650. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
Scheduled Weekly Hours:
40
Travel Required:
Less than 10%
T elecommuting Options:
Onsite
Work Location:
USA VA Chantilly
Additional Work Locations:
Total Rewards at GDIT:
Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.
Our Identity Verification Process:
As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.
About Our Work:
We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.
Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc .
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans
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Benefits
Benefits detected in the listing.
Dental
Vision
401k
401(K)
Paid Time Off
Wellness