1. Home
  2. Companies
  3. SI Solutions, LLC
SS

SI Solutions, LLC

About

SI Solutions operates where failure isn't theoretical - nuclear reactor components, gas pipeline networks, and power generation systems where outages mean communities go dark and industrial accidents turn lethal. Formed in 2022 by combining Structural Integrity Associates' decades of specialized engineering expertise with C2C Technical Services' field operations capability, the company delivers fatigue analysis for reactor components and deploys advanced monitoring systems to maintain pipeline integrity. The technical stack reflects this dual mandate: ANSYS and SolidWorks for modeling, Tenable Security Center and SIEM tools protecting the infrastructure that protects infrastructure, all running on Azure with Active Directory and Microsoft 365 binding operations together.

The threat model is physics and time - metal fatigues, welds degrade, systems age out. SI Solutions' six business units (Nuclear, Power Services, Critical Infrastructure, Utility Gas, Process Industries, Advanced Manufacturing) address this through engineering analysis that predicts failure modes before they manifest, inspection protocols that catch degradation early, and maintenance interventions timed to extend safe operation windows. Their proprietary FatiguePro software sits alongside commercial engineering tools, while SQL databases track asset histories and Linux systems likely run monitoring infrastructure in the field.

The company bridges worlds that don't always communicate well: PhD-level structural integrity analysis and boots-on-the-ground technicians working live systems. This isn't cloud-native security or app pentesting - it's protecting SCADA networks at nuclear facilities, hardening operational technology environments where a misconfiguration could trip a reactor, and ensuring monitoring systems stay available when a pipeline operator needs real-time integrity data. The stated mission supports cleaner energy transition while keeping existing systems reliable, which in practice means securing increasingly networked infrastructure built in analog eras.

Similar companies

HT

HII Technical Solutions Corporation

At HII Technical Solutions, now Mission Technologies, we believe in serving something greater than ourselves - our nation and each other. Our diverse team of 7,000+ professionals worldwide includes skilled tradespeople, AI/ML experts, engineers, technologists, scientists, logistics experts, and business professionals who work together to deliver all-domain expertise in service of mission partners across the globe. We foster an environment where employees can build meaningful careers while contributing to critical national security missions, with stability, comprehensive benefits, training, and growth opportunities as the foundation of our workplace culture. Our more than 135-year heritage of advancing U.S. national defense drives our collaborative approach to solving complex challenges. Whether working on C5ISR systems, cyber operations, AI and Big Data solutions, synthetic training environments, fleet sustainment, or unmanned underwater vehicles, our team members take ownership of their work and collaborate across disciplines to deliver innovative solutions. We recognize as one of America's top large company employers, and our people thrive in a culture that values technical excellence, continuous learning, and the profound impact of our work protecting peace and freedom around the world.

2 jobs
CD

CrackaJack Digital Solutions LLC

CrackaJack Digital Solutions is an IT company established in 2016, delivering comprehensive digital transformation services to small and mid-sized businesses across the United States. With offices strategically located in Portland, Oregon and Pune, India, the company has built a strong presence serving clients across North America, Asia, and Europe. Their mission is to inspire and transform businesses through digital innovations to accelerate long-term sustainable revenue growth, with a vision to become the Pacific Northwest's most successful and impactful digital IT transformation service provider. The company specializes in managed IT services, remote infrastructure management, recruiting and staffing technical talent, website development and maintenance, as well as business consulting and knowledge process services. Their tech stack includes modern technologies like Java, Python, GraphQL, Ansible, AutoCAD, AWS CloudTrail, and Bootstrap, enabling them to deliver scalable and effective technology solutions. As of December 2025, CrackaJack Digital Solutions has approximately 20 employees across three continents, with reported revenues ranging from $10-25 million.

TS

T-Rex Solutions, LLC

T-Rex Solutions is a leading IT solutions provider helping the Federal government modernize, protect, and scale its systems and data efficiently and effectively. Established in 1999, T-Rex has designed, built, integrated, and operated some of the world's largest mission critical systems for government clients, including partnering with the U.S. Census Bureau to implement enterprise-wide IT modernization that moved the 2020 Census online for the first time in U.S. history. The company has been recognized as a fastest growing company on the Inc. 5000 list and named a 2024 Top Workplace by the Washington Post. As an AWS Advanced Tier Services Partner, T-Rex combines deep Federal mission expertise with advanced cloud capabilities to deliver secure, resilient, compliant solutions. The company specializes in Cloud Adoption and Infrastructure Optimization, Cybersecurity, AI and Cognitive Data Solutions, Agile Transformation, Customer Experience, and Health IT. T-Rex supports major federal agencies including the Department of the Treasury, U.S. Census Bureau, Customs and Border Protection, Veterans Affairs, and the Intelligence Community, demonstrating their ability to handle complex IT modernization projects with critical cyber data protection requirements and aggressive schedules.

KS

K Systems Solutions LLC

K Systems Solutions LLC is a New York City-based IT services firm founded in 2016, serving both public and private sector clients across cybersecurity, systems engineering, IT staffing, and Microsoft 365 administration. The company's cybersecurity practice centers on security program development, compliance frameworks, risk management, and security testing - practical threat mitigation rather than buzzword-heavy consulting. Their systems engineering work spans auditing, design, implementation, and integration, covering both the software development lifecycle (SDLC) and systems development lifecycle (SDDL) from requirements through deployment. The firm operates as a staffing and solutions provider with engagement models designed for flexibility: long-term embedded teams or short-term project work, depending on client need. Their staffing roster covers roles across the full SDLC and SDDL spectrum, which in practice means developers, systems architects, security engineers, and infrastructure specialists. Beyond labor, K Systems also handles software and hardware procurement, positioning itself as a channel for competitively priced equipment - a useful capability for organizations managing budget constraints without sacrificing tooling quality. Led by CEO William K. Ford, the company describes its team as multicultural and emphasizes practical, affordable solutions over enterprise bloat. The Microsoft 365 administration service suggests a client base that includes mid-market and government entities managing cloud infrastructure at scale. Since 2016, K Systems has maintained its New York City headquarters while building a client roster that requires both compliance rigor and operational velocity - public sector contracts demand the former, while private sector work often prioritizes the latter.

NS

Novalink Solutions LLC

Novalink Solutions LLC has operated as a global consulting and engineering services firm since 2003, with a primary focus on IT and telecommunications staffing and staff augmentation. The company positions itself as a workforce solutions provider, delivering both temporary and permanent placements in information technology and telecommunications sectors. With CEO Huu Phan at the helm and U.S.-based headquarters, Novalink serves both public and private sector organizations seeking technical talent and engineering consulting. The company's core offering centers on staff augmentation - parachuting technical professionals into client organizations that need specific IT and telecom expertise without expanding permanent headcount. This model addresses the recurring challenge in technical hiring: organizations need specialized skills for finite project durations or surge capacity during critical deployments. Novalink's business model depends on maintaining a roster of vetted technical professionals who can deploy quickly into client environments across telecommunications infrastructure, IT systems implementation, and engineering projects. Beyond pure staffing, Novalink provides consulting and engineering services aimed at what they describe as "innovation and efficiency" for clients. The technical domains span information technology broadly, telecommunications specifically, and professional IT services including talent acquisition and workforce augmentation strategies. The company markets itself under the tagline "Your Potential, Our Promise" and claims positioning as a "trusted leader" in its space, though the firm does not publicly disclose team size, revenue figures, or specific client engagements that would substantiate market share claims. For professionals evaluating Novalink as a potential employer or contract placement, the relevant consideration is the company's role as an intermediary rather than an end client. Technical staff placed through Novalink typically work on-site or embedded within client organizations, meaning day-to-day work environment, project scope, and technical stack are determined by the placement rather than by Novalink's internal operations. The company's value proposition rests on matching technical professionals to client requirements and managing the administrative overhead of contract staffing relationships.

CP

Catalent Pharma Solutions LLC

At Catalent, we believe that putting patients first isn't just a value - it's the foundation of everything we do. Our team of thousands of scientists and technicians across more than 40 global sites works collaboratively to transform bold ideas into life-changing therapies. We champion the missions that matter by partnering with pharma, biotech, and consumer health companies to accelerate the development, manufacturing, and delivery of products that improve lives worldwide. What sets Catalent apart is our unwavering commitment to unparalleled service and quality. From our origins in 1933 with R.P. Scherer's revolutionary softgel encapsulation process to becoming a leading global CDMO, we've continuously evolved our capabilities. Our integrated solutions span oral dose, biologics, specialty and clinical supply services, supported by advanced technologies and proven expertise. We deliver 60+ billion treatment doses annually, helping over 200 million patients each year. Our culture of innovation, integrity, and customer dedication means we don't just manufacture products - we help our partners bring their missions to life, reliably and at scale.