O

OffSec Tech Stack

Cybersecurity skills training platform with hands-on lab environments

Computer and Network Security New York, NY 201–500 employees Founded 2006 Privately Held

OffSec delivers practical cybersecurity training through interactive lab environments and instructor-led programs. The tech stack—Kali Linux, OpenStack, Active Directory, and cloud infrastructure (Azure)—reflects a company built around managing complex, scalable lab instances for concurrent users. Current hiring velocity is accelerating across sales (10 roles), engineering (7), and support (6), driven by three concurrent initiatives: migrating to a new web platform for operations, scaling lab infrastructure, and automating onboarding—suggesting they're moving from legacy systems toward SaaS-like operational maturity.

Tech Stack 18 technologies

Core StackLinux Active Directory GitHub Copilot Cursor Salesforce NetSuite Looker Windows 10 GnuPG Microsoft Office Windows OpenStack Kali Linux Azure Claude Adaptive Planning Google Sheets Excel

What OffSec Is Building

◆Challenges

Building new web platform
Troubleshooting technical issues
Improving reporting automation
Reducing infrastructure costs
Reducing technical debt
Automating manual processes
Improving team productivity
Large-scale infrastructure migrations
Delayed client onboarding
Low training utilization

▲Active Projects

New web platform for sales and marketing operations
Account setup and customer onboarding
Process improvement for operational efficiency
Complex scalable lab environments
Vulnerable machine environments
Network isolation for concurrent user lab instances
Design and implementation of hands‑on exercises
Building lab environments
Advanced cybersecurity learning content
Live instructor-led training programs

Hiring Activity

Accelerating30 roles · 20 in 30d

Department

Sales

10

Engineering

7

Support

6

Product

2

Security

2

Finance

1

Seniority

Mid

15

Senior

8

Junior

2

Staff

2

Lead

1

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About OffSec

OffSec is a cybersecurity training and certification provider founded in 2006, headquartered in New York. The company serves security professionals and organizations through hands-on lab environments, vulnerable machine instances for practice, and instructor-led training programs. Core technical challenges revolve around building and scaling networked lab infrastructure that isolates instances for concurrent users while maintaining operational efficiency. Current operational priorities include modernizing their legacy platform stack, reducing infrastructure costs, and improving client onboarding workflows. The company operates globally with hiring activity across seven countries including the United States, Ukraine, Germany, Australia, Singapore, Philippines, and Uganda.

HeadquartersNew York, NY

Company Size201–500 employees

Founded2006

Hiring MarketsSingapore, Philippines, Ukraine, Australia, Germany, United States, Uganda

Frequently Asked Questions

What technology does OffSec use for its lab platforms?

OffSec's infrastructure stack includes Kali Linux, OpenStack, Azure, Active Directory, and Windows/Linux systems. These enable the design, deployment, and isolation of vulnerable machine environments and concurrent user lab instances at scale.

What is OffSec building right now?

Current projects include a new web platform for sales and marketing operations, scalable lab environment architecture, automated customer onboarding, advanced cybersecurity learning content, and live instructor-led training programs.