Sigma Defense Systems LLC Tech Stack

DoD-focused defense contractor specializing in C2, ISR, and electronic warfare systems

Defense and Space Manufacturing Perry, Georgia 501–1,000 employees Self-Owned

Sigma Defense Systems serves the DoD across six military branches with integrated command-and-control, ISR, and electronic warfare solutions built around their proprietary Olympus platform. The tech stack is heavily military-grade (Cisco, Palo Alto, Red Hat, SQL Server) with Python and Jenkins indicating internal DevSecOps capabilities—a deliberate positioning given their stated focus on accelerating software delivery to warfighters. Senior-heavy hiring (66 of 91 open roles) tilted toward engineering (51 roles) reflects active scaling of technical delivery capacity, while pain points around DoD 5000 compliance, legacy system maintenance, and complex operational testing cycles underscore the friction inherent in defense procurement.

Tech Stack 82 technologies

Core StackJava JavaScript Palo Alto Networks Zscaler Ansible Python Cisco SQL Server Linux Jenkins GitLab Microsoft Office Word Visio PowerPoint Microsoft Access Excel Microsoft Project AJAX HTML XML Cisco ISE Aruba ClearPass FortiNAC Forescout Cisco Firepower PowerShell VMware vSphere Red Hat Enterprise Linux CompTIA Security++51 more

What Sigma Defense Systems LLC Is Building

◆Challenges

Ensuring compliance with dod 5000 series
Application availability monitoring
Training data analysis
Improving assembly efficiency
Complex operational testing cycles
Accreditation process for modeling and simulation
Ipv6 migration
Maintaining legacy systems
Reducing overall cost
Aligning authorities and resources

▲Active Projects

Network modernization & mission network technical service support program
Accreditation process for modeling and simulation efforts
Integrated evaluation framework and t&e master plan development
Ot&e programs for usn and joint systems
Live virtual training
Ot&e program development for usn systems
Capability assessments across smwdc-owned mission area capabilities
Enhancement warfare training
Systems design for denied environments
Counter-unmanned systems development

Hiring Activity

Steady90 roles · 40 in 30d

Department

Engineering

Ops

Training

Support

Data

Logistics

Security

Design

Seniority

Senior

Mid

Intern

Lead

Principal

Notable leadership hires: Site Lead

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About Sigma Defense Systems LLC

Sigma Defense Systems is a 501–1,000-person defense contractor headquartered in Perry, Georgia, with satellite offices across CONUS and OCONUS. The company operates five divisions (Sigma Defense Systems, Innovative Mission Solutions, Integrated Services Division, EWA GSI, EWA Warrior Services) and sells into the Army, Navy, Air Force, Marine Corps, Space Force, and other federal agencies. Core offerings span tactical communications, satellite and network engineering, program management, logistics, and modeling-and-simulation support. Active projects include network modernization initiatives, operational test-and-evaluation programs for Navy and joint systems, counter-UAS development, and accreditation frameworks for simulation environments. The company emphasizes software-first modernization and edge-to-cloud data acceleration to improve decision velocity.

HeadquartersPerry, Georgia

Company Size501–1,000 employees

Hiring MarketsUnited States, Italy

Frequently Asked Questions

What tech stack does Sigma Defense use?

Microsoft Office suite, Cisco (ISE, Firepower, networking), Palo Alto Networks, Zscaler, SQL Server, Red Hat Enterprise Linux, Java, Python, Jenkins, GitLab, Ansible, VMware vSphere. Heavy emphasis on defense-grade networking and security tooling.

What is Sigma Defense working on?

Network modernization, operational test-and-evaluation (OT&E) for Navy and joint systems, counter-unmanned systems development, modeling-and-simulation accreditation, systems design for denied environments, and live/virtual training platforms.