A1 tech stack
A1 works mostly with SIEM, Linux, Splunk, Unix. Its stack also includes SIEM, Linux. SIEM is named in 3 of the 4 job postings A1 published in the last 12 months (75%). Counted by Alion from the job postings of A1, updated Oct 16, 2026.
What cloud and platforms does A1 use?
SIEM is named in 75% of job postings at A1, followed by Linux (25%), Splunk (25%), Unix (25%).
Which engineering practices does A1 ask for?
IAM is named in 25% of job postings at A1, followed by VPN (25%).
How does your stack fit A1?
How modern is the A1 stack?
A1 scores 69 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 A1 stack in its industry?
Share of the 384 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like A1
Questions about the A1 tech stack
Does A1 use SIEM?
Yes. SIEM is named in 3 of 4 job postings (75%) and required in 3 of them.
What cloud and platforms does A1 use?
The cloud and platforms named in A1 job postings are SIEM (3), Linux (1), Splunk (1) (postings in brackets).
Is the A1 tech stack changing?
No new technology has appeared in A1 job postings in the last six months.
How modern is the A1 tech stack?
A1 scores 69 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 A1 tech stack?
Alion reads every job posting A1 publishes and tags the technologies each one names. The figures on this page count the 4 postings of the last 12 months and were updated on Oct 16, 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, "A1 tech stack: 8 technologies from 4 job postings", as of Oct 16, 2026. https://alion.io/company/a1-net/technologies