Systems Architect

GD Information Technology • Chantilly, VA

1d • Onsite

About The Position

GDIT is seeking a senior-level Systems Architect to lead the design of complex, multi-component systems and ensure they meet rigorous technical, integration, and performance requirements. This role offers an opportunity to advance how our customers operate while advancing your career in enterprise IT, collaborating with driven and resourceful individuals.

Requirements

• 10+ years of systems engineering experience.
• 5+ years serving as lead architect for complex solutions spanning hardware, software, and external system integrations.
• Strong requirements engineering background: authored and managed 15+ sets of functional and non-functional system requirements with full traceability using tools such as DOORS or Jama.
• Developed and maintained 10+ Interface Control Documents (ICDs) covering protocols, data contracts, timing, and error handling.
• Led 5+ cross-team interface adjudications to resolution.
• Led 3+ full verification and validation cycles, including system integration testing, acceptance testing, regression strategy, and documented defect metrics.
• Applied formal architecture methods (MBSE/SysML, N2 diagrams, state models, trade studies) on at least two major programs.
• Bachelor of Arts/Bachelor of Science or equivalent education.
• Active TS/SCI with poly security clearance.
• US citizenship required.

Nice To Haves

• Ability to adapt to evolving technologies and business needs.
• Creative problem solver with strong analytical and conceptual thinking skills.
• Knowledge of industry architecture standards and best practices.
• Relevant certifications such as TOGAF, AWS/Azure Solutions Architect, CISA, or Certified Enterprise Architect.

Responsibilities

• Lead the design of complex, multi-component systems.
• Ensure systems meet rigorous technical, integration, and performance requirements.
• Author and manage functional and non-functional system requirements with full traceability.
• Develop and maintain Interface Control Documents (ICDs) covering protocols, data contracts, timing, and error handling.
• Lead cross-team interface adjudications to resolution.
• Lead full verification and validation cycles, including system integration testing, acceptance testing, and regression strategy.
• Apply formal architecture methods (MBSE/SysML, N2 diagrams, state models, trade studies) on major programs.
• Deliver measurable improvements such as reduced integration rework or shortened integration timelines.

Benefits

• AI-powered career tool that identifies career steps and learning opportunities
• Internal mobility team focused on helping you achieve your career goals
• Comprehensive benefits and wellness packages
• 401K with company match
• Competitive pay
• Paid time off
• Variety of medical plan options, some with Health Savings Accounts
• Dental plan options
• Vision plan
• 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
• Full flex work weeks where possible
• Variety of paid time off plans, including vacation, sick and personal time, holidays
• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 5,001-10,000 employees