Since
1985
A Trusted Federal IT Partner for More Than Four Decades
Since 1985, Scientific Systems & Software International Corporation (SSSi) has supported federal agencies with mission-critical IT systems that demand reliability, security, and accountability. Today, we apply that same delivery discipline to modern technologies — including automation and AI — in a way agencies can trust.
Who We
Are
Federal IT Services for Essential Government Programs
SSSi is a federal IT services company specializing in the design, development, operation, and modernization of systems that support essential government programs.
Our work spans benefits administration, workforce programs, regulatory systems, and data-driven operations — delivered in secure, highly regulated environments.
Our Vision
Innovation. Technology. Progress.
"Continuously pushing boundaries to transform organizations with forward-thinking strategies."
Our History &
Continuity
Decades of Mission Success
From the earliest days of federal digitization to the era of AI, SSSi has been a constant partner in mission delivery.
1985
Foundation & Federal Focus
Established with a core mission to support federal agencies with secure, reliable software engineering.
2000s
The Digital Transformation
Pioneered web-based case management systems for the SSA and DOL, moving paper processes to secure digital workflows.
2015
Cloud & Cybersecurity
Led major migrations to secure cloud environments, achieving CMMI Level 3 and establishing rigorous cyber standards.
Today
AI Assurance & Modernization
Delivering human-in-the-loop AI agents and intelligent document processing to scale federal workforce capabilities.
"Technology evolves. Accountability does not."
What We Do
Today
Modernizing Federal IT
Combining deep domain expertise with cutting-edge technical capabilities to solve complex mission challenges.
Intelligent Automation
We deploy secure, mission-ready automation to streamline complex workflows. Our approach ensures every automated decision is transparent, auditable, and always under human oversight.
Streamlined Intake
Faster processing for citizen applications and requests.
Precision & Compliance
Reducing errors while maintaining strict federal standards.
Explore Our Capabilities
Secure Cloud Modernization
Moving legacy systems to secure, scalable cloud environments that grow with your mission—without compromising security.
Data-Driven Insights
Turning decades of historical data into actionable insights for better policy and program decisions.
Our
Approach
Innovation Without Disruption
Government systems require more than innovation — they require trust. This allows agencies to adopt new capabilities while protecting mission continuity.
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Human-in-the-loop system design
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Explainable and auditable functionality
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Security-first architectures
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Incremental modernization (no “big bang” changes)
Leadership
Guided by Vision & Experience
Nayab Siddiqui
President
Founded SSSi to meet the critical IT needs of Federal Government agencies. With a focus on strategic leadership and operational oversight, Nayab has managed high-profile programs for the SSA (ITSSC-1, ITSSC-2), DOL, and HHS.
BS
& MS Mech. Eng.
Dartmouth
MBEP
PMP
PMI-RMP
Dr. Akhtar Siddiqui
Vice President
Oversees operations and contract management with a unique blend of healthcare expertise and business administration. Ensures efficiency, compliance, and top-notch client satisfaction across all federal engagements.
MD
& MBA
PMP
Risk
Mgmt Professional
Certifications & Governance
SSSi maintains rigorous standards to support federal programs, ensuring every delivery is compliant, risk-managed, and high-quality. Our governance framework is built on internationally recognized best practices.
Core Credentials
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CMMI Level 3 Capability Maturity Model Integration (Development & Services)
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Project Management Pros PMP® Certified Program Management Team
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Risk Management Professional PMI-RMP® Certified Risk Assessments
Methodologies & Compliance
- Agile & DevSecOps Frameworks
- FISMA & NIST Security Compliance
- Comprehensive Quality Assurance (QA)
- Human-Centered Design (HCD)
Supporting the Next Era of Federal Technology
As agencies modernize, SSSi remains focused on applying new capabilities responsibly — strengthening systems without increasing risk.
"We are not redefining government IT.
We are helping it evolve — carefully, securely,
and sustainably."
Partner with a Team You Can Trust
Whether you’re sustaining a critical system or modernizing for the future, SSSi is ready to support your mission with experience, stability, and care.