Company profile

Modus21, LLC. Tech Stack

Defense-focused systems engineering, DevSecOps and modernization consultancy

IT Services and IT Consulting North Charleston, South Carolina 51–200 employees Founded 2004 Privately Held

Modus21 is a North Charleston-based consultancy delivering systems integration, DevSecOps and cloud modernization for defense and civil government programs. Its stack pairs a heavy Oracle middleware estate (WebLogic, Fusion Middleware, Identity Management) with multiple API gateways (Apigee, Kong, MuleSoft, Gravitee) and AWS EKS/ECS. That mix points to legacy-to-cloud migration work, and the senior-heavy engineering hiring is accelerating around DoD application modernization.

Tech Stack 70 technologies

Core StackJava Python MuleSoft Docker Helm Kubernetes AWS Ansible C# VMware Oracle Database AWS RDS AWS Lambda Apigee Gravitee Kong AWS API Gateway Azure GCP Red Hat Enterprise Linux HMI Appian Oracle Fusion Middleware WebLogic Oracle HTTP Server Oracle Identity Management Oracle Enterprise Manager RMAN AWS ECS AWS EKS+39 more

What Modus21, LLC. Is BuildingChallenges and projects from their job posts

◆Challenges

Cybersecurity compliance for DoD applications
Replacing obsolete MISIL and legacy systems
Performance and scalability of mission-critical systems
Ensuring test coverage for evolving systems

▲Active Projects

Modernize TRAC2ES
Marine Corps Identity Dominance System testing
CEMI case execution modernization
Mobile application transition
S3ALE application development
Improving DevSecOps practices

Hiring Activity

Accelerating6 roles · 6 in 30d

Department

Engineering

Security

Seniority

Senior

Junior

Mid

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About Modus21, LLC.

Modus21, LLC is a privately held technology consulting firm founded in 2004 and headquartered in North Charleston, South Carolina. It serves commercial and government clients, with a long track record supporting the Department of Defense and civil agencies. Services span model-based systems engineering, process automation, cloud computing, cybersecurity, DevSecOps, agile software development and systems integration. The firm employs 51–200 people and hires within the United States.

HeadquartersNorth Charleston, South Carolina

Company Size51–200 employees

Founded2004

Hiring MarketsUnited States

Frequently Asked Questions

What tech stack does Modus21 use?

Modus21 works with Java, Python and C#, Oracle Database and WebLogic middleware, API gateways like Apigee, Kong and MuleSoft, and Docker, Kubernetes and Helm across AWS, Azure and GCP.

What is Modus21 working on?

Current work includes modernizing TRAC2ES, testing the Marine Corps Identity Dominance System, CEMI case execution modernization, S3ALE application development and a mobile application transition.

Is Modus21 hiring engineers?

Yes. Hiring is accelerating, concentrated in engineering with some security roles, skewed toward senior positions, all based in the United States.

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How this profile is built

Modus21, LLC.'s technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.