Twenty-Six Defense tech stack
Twenty-Six Defense builds mostly with SQL, C#, C++, Python. Its stack also includes Windows, Active Directory, MS SQL. Windows is named in 6 of the 18 job postings Twenty-Six Defense published in the last 12 months (33%). Counted by Alion from the job postings of Twenty-Six Defense, updated Oct 9, 2026.
What programming languages does Twenty-Six Defense use?
SQL is named in 28% of job postings at Twenty-Six Defense, followed by C# (11%), C++ (11%), Python (11%).
C# 
What databases does Twenty-Six Defense use?
MS SQL is named in 6% of job postings at Twenty-Six Defense.
MS SQL
1 6%
What cloud and platforms does Twenty-Six Defense use?
Windows is named in 33% of job postings at Twenty-Six Defense, followed by Active Directory (6%), SAP BusinessObjects (6%), SIEM (6%).
What developer tools does Twenty-Six Defense use?
Microsoft Excel is named in 33% of job postings at Twenty-Six Defense, followed by Copilot (6%), EtherCAT (6%), LTspice (6%).
Copilot
1 6%
LTspice
1 6%
Mentor Xpedition
1 6%
Nessus
1 6%
Nmap
1 6%
OPC UA
1 6%
Show all (9)
Which engineering practices does Twenty-Six Defense ask for?
Modularization is named in 6% of job postings at Twenty-Six Defense, followed by SOAP (6%), TCP/IP (6%).
What does each Twenty-Six Defense team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
4 postingsHow does your stack fit Twenty-Six Defense?
How is the Twenty-Six Defense stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the Twenty-Six Defense stack?
Twenty-Six Defense scores 67 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How common is the Twenty-Six Defense stack in its industry?
Share of the 78 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Twenty-Six Defense
Questions about the Twenty-Six Defense tech stack
What programming languages does Twenty-Six Defense use?
The languages named in Twenty-Six Defense job postings are SQL (28%), C# (11%), C++ (11%), Python (11%), as a share of the 18 postings of the last 12 months.
Does Twenty-Six Defense use Windows?
Yes. Windows is named in 6 of 18 job postings (33%) and required in 6 of them.
What cloud and platforms does Twenty-Six Defense use?
The cloud and platforms named in Twenty-Six Defense job postings are Windows (6), Active Directory (1), SAP BusinessObjects (1) (postings in brackets).
What skills do you need for a Backend job at Twenty-Six Defense?
Backend postings at Twenty-Six Defense most often require SQL (4), Windows (4), out of 4 postings in the last 12 months.
Is the Twenty-Six Defense tech stack changing?
Yes. Microsoft Excel, Python, Windows first appeared in Twenty-Six Defense job postings in the last six months.
How modern is the Twenty-Six Defense tech stack?
Twenty-Six Defense scores 67 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How does Alion know the Twenty-Six Defense tech stack?
Alion reads every job posting Twenty-Six Defense publishes and tags the technologies each one names. The figures on this page count the 18 postings of the last 12 months and were updated on Oct 9, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "Twenty-Six Defense tech stack: 22 technologies from 18 job postings", as of Oct 9, 2026. https://alion.io/company/26defense/technologies