About Sentinel Integrated Solutions Group
Veteran-led. Mission-driven. Security-first.
Who We Are
Sentinel Integrated Solutions Group LLC was founded by Brian Smith, a Navy veteran with over 15 years of IT and cybersecurity experience. Based in San Diego, California, we were established to bridge the gap between mission-critical government requirements and cutting-edge technology solutions.
As a 100% veteran-owned small business, we bring military discipline, strategic thinking, and a mission-first mentality to every engagement. Our team combines deep technical expertise with an understanding of federal procurement and compliance requirements.
We specialize in cybersecurity, custom software development, cloud services, and IT infrastructure for federal agencies, defense contractors, and enterprises requiring the highest standards of security and reliability.
Our Mission
To deliver mission-critical technology solutions with military precision, protecting and empowering government agencies and enterprises through innovative cybersecurity, software, and IT services.
Our Vision
To become the premier veteran-owned technology solutions provider, setting the standard for security, innovation, and operational excellence in government contracting.
Our Values
- Integrity — Honest, ethical conduct in every interaction
- Excellence — Pursuing the highest standards in all we do
- Innovation — Embracing new technologies and approaches
- Service — Dedication to client and national mission success
- Security — Protecting data and systems as paramount duty
Leadership Team
Experienced veterans and industry experts leading our mission
Brian Smith
Navy veteran with 15+ years of IT and cybersecurity experience. Holds multiple industry certifications including CISSP, CEH, and AWS Solutions Architect. Founded SISG to bring military precision to government technology solutions.
Alexandra Chen
Cloud architecture and DevSecOps expert with 12+ years in DoD IT modernization. Former lead architect on multiple FedRAMP High systems. Passionate about zero-trust architecture and infrastructure automation.
Company Timeline
Our journey from concept to mission-ready operations
Company Conceptualization
Initial planning and market research
LLC Formally Established
Legal formation in San Diego, CA
SAM.gov Registration
SDVOSB application submitted
Team Recruitment
Clearance processing initiated
CMMC Level 2 Prep
First contract bids submitted
Website Launch
Active IDIQ bidding begins
First Contract Award
Target: 8(a) certification
Scale Operations
Target: CMMC Level 2 certified, team 15+
Our Culture
The principles that guide how we work and serve
Military Precision + Startup Agility
Disciplined execution with rapid innovation
Continuous Learning
Always growing skills and knowledge
Mission Above Self
Client and national mission success first
Diversity of Thought
Inclusive perspectives drive better solutions
“We built SISG on the same principles that guided us in uniform: integrity, excellence, and unwavering commitment to the mission. Our clients deserve nothing less.”
By the Numbers
Join Our Mission
Whether you are looking for a career opportunity or partnership, we would love to hear from you.