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COMPANIES USING

Computer and Network Security Companies Using C#

116 companies in Computer and Network Security are hiring C# talent.

C# is Microsoft's primary language for building enterprise applications, APIs, and security tooling — making it a core signal of structured, scalable software development. When a cybersecurity company hires C# engineers, they're typically building or expanding product capabilities on Windows-native or Azure-hosted infrastructure. That points to immediate demand for cloud services, identity and access management tools, and developer security platforms.

Buying Signal

A security company actively hiring C# developers is likely mid-build on a product that runs on Azure or integrates with Microsoft ecosystems — which means they're in the market for cloud infrastructure, testing tools, and API security solutions. Sales reps at DevSecOps platforms, SIEM vendors, and Azure-native security tooling should be treating these job posts as warm pipeline signals. The simultaneous presence of Account Executive and Customer Success Manager roles (30 and 27 open respectively) suggests they're also scaling revenue teams — making them buyers, not just builders.

Top Companies50 shown

CompanyIndustryHQ LocationSizeJobsLinks
CrowdStrike
crowdstrike.com
 Computer and Network Security United States 5,001+ 1,607
Check Point Software
checkpoint.com
 Computer and Network Security Redwood City, United States 5,001+ 934
Cloudflare
cloudflare.com
 Computer and Network Security San Francisco, United States 1,001–5,000 1,426
TECEZE
teceze.com
 Computer and Network Security Chicago, United States 1,001–5,000 381
Tenable
tenable.com
 Computer and Network Security Columbia, United States 1,001–5,000 138
secunet Security Networks AG
secunet.com
 Computer and Network Security Essen, Germany 1,001–5,000 154
McAfee
mcafee.com
 Computer and Network Security San Jose, United States 1,001–5,000 70
N-able
n-able.com
 Computer and Network Security Morrisville, United States 1,001–5,000 88
Forescout Technologies Inc.
forescout.com
 Computer and Network Security San Jose, United States 1,001–5,000 62
WatchGuard Technologies
watchguard.com
 Computer and Network Security Seattle, United States 1,001–5,000 36
SonicWall
sonicwall.com
 Computer and Network Security Milpitas, United States 1,001–5,000 39
Wiz
wiz.io
 Computer and Network Security New York, United States 501–1,000 273
AlgoSec
algosec.com
 Computer and Network Security Ridgefield Park, United States 501–1,000 82
OPSWAT
opswat.com
 Computer and Network Security Tampa, United States 501–1,000 150
NetSPI
netspi.com
 Computer and Network Security Minneapolis, United States 501–1,000 54
Semperis
semperis.com
 Computer and Network Security Hoboken, United States 501–1,000 78
Checkmarx
checkmarx.com
 Computer and Network Security Paramus, United States 501–1,000 69
ThreatLocker
threatlocker.com
 Computer and Network Security Orlando, United States 501–1,000 31
Dragos, Inc.
dragos.com
 Computer and Network Security Hanover, United States 501–1,000 35
Viettel Cyber Security
viettelcybersecurity.com
 Computer and Network Security Hà Nội, Vietnam 501–1,000 12
Absolute Security
absolute.com
 Computer and Network Security Seattle, United States 501–1,000 26
Upwind Security
upwind.io
 Computer and Network Security San Francisco, United States 201–500 108
NVISO Security
nviso.eu
 Computer and Network Security Brussels, Belgium 201–500 81
Appdome
appdome.com
 Computer and Network Security Redwood City, United States 201–500 30
Protegrity
protegrity.com
 Computer and Network Security Stamford, United States 201–500 54
Cyberhaven
cyberhaven.com
 Computer and Network Security Palo Alto, United States 201–500 37
CHEQ
cheq.ai
 Computer and Network Security New York, United States 201–500 35
TalaKunchi Networks Pvt Ltd
talakunchi.com
 Computer and Network Security Mumbai, India 201–500 24
Open Systems
open-systems.com
 Computer and Network Security Zurich, Switzerland 201–500 19
Truesec
truesec.com
 Computer and Network Security Aarhus, Denmark 201–500 41
Cyber Security Forum Initiative
csfi.us
 Computer and Network Security Omaha, United States 51–200 235
Zenity
zenity.io
 Computer and Network Security Tel-Aviv, Israel 51–200 56
CertifID
certifid.com
 Computer and Network Security Austin, United States 51–200 35
Applied Network Solutions, Inc.
go-ans.com
 Computer and Network Security Columbia, United States 51–200 29
Adaptive Security
adaptivesecurity.com
 Computer and Network Security New York, United States 51–200 34
OX Security
ox.security
 Computer and Network Security New York, United States 51–200 40
Portnox
portnox.com
 Computer and Network Security Austin, United States 51–200 18
Legit Security
legitsecurity.com
 Computer and Network Security Boston, United States 51–200 17
Secomea
secomea.com
 Computer and Network Security Copenhagen, Denmark 51–200 14
Apiiro
apiiro.ai
 Computer and Network Security New York, United States 51–200 13
KELA - Cyber Threat Intelligence
kelacyber.com
 Computer and Network Security Tel-Aviv, Israel 51–200 12
IANS
iansresearch.com
 Computer and Network Security Boston, United States 51–200 20
Intigriti
intigriti.com
 Computer and Network Security Antwerp, Belgium 51–200 16
RegScale
regscale.com
 Computer and Network Security Tysons, United States 51–200 16
Gormat
gormat.net
 Computer and Network Security Rockville, United States 11–50 28
Bug Bounty Switzerland
bugbounty.ch
 Computer and Network Security Kloten, Switzerland 11–50 13
CybeRim
cyberim.co.uk
 Computer and Network Security City of London, United Kingdom 11–50 23
Twenty
twenty.io
 Computer and Network Security Arlington, United States 11–50 16
Palo Alto Networks
paloaltonetworks.com
 Computer and Network Security Santa Clara, United States 10,001+ 1,939
Fortinet
fortinet.com
 Computer and Network Security Sunnyvale, United States 10,001+ 1,265

116 companies use C#. Want the full list?

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Market Signal

116 security companies posting over 10,000 roles tied to C# indicates this isn't niche hiring — it's a broad, active market. The ratio of roles to companies suggests a handful of larger players are aggressively scaling engineering capacity, which typically precedes platform expansion or a product launch cycle.

Stack Intelligence

Companies hiring for C# alongside .NET, Azure, and SQL Server are running mature, Microsoft-aligned stacks — not experimenting. This combination signals established SDLC processes, likely existing Microsoft licensing, and a preference for integrated tooling over best-of-breed point solutions. Vendors in the Microsoft partner ecosystem or those offering Azure-native integrations have a clear in.

Hiring Landscape

C# in the Market

Where and how companies hire C# talent

By Country

United States
64
Germany
5
India
5
Italy
5
United Kingdom
5
Switzerland
4
Canada
3
Denmark
3

Top Roles

Software Engineer51Product Manager32Account Executive30Customer Success Manager27Backend Engineer25Devops Engineer24Sales Development Representative21Account Manager18Sales Engineer17Business Development Representative16Channel Account Manager15Data Engineer15

Related Technologies

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Frequently Asked Questions

What is C#?

C# is the primary language used to build enterprise-grade applications within Microsoft's development ecosystem. In cybersecurity, it's commonly used to develop threat detection platforms, endpoint security tools, and secure APIs. Hiring for it signals active product development, not just maintenance.

Why should sales teams track C# hiring?

C# hiring in security correlates with product investment cycles — when companies post these roles, budget is already allocated. A DevSecOps or cloud security vendor tracking this signal can reach prospects before RFPs are written.

Who should be selling to companies that use C#?

Vendors best positioned here include cloud infrastructure providers (especially Azure-adjacent), application security testing platforms, identity and access management solutions, and developer productivity or CI/CD tooling companies.