Sustainment tech stack
Sustainment builds mostly with C#, TypeScript, JavaScript. Its stack also includes GitLab, AWS, PostgreSQL, ASP.NET Core. Claude is named in 2 of the 4 job postings Sustainment published in the last 12 months (50%). Counted by Alion from the job postings of Sustainment, updated Oct 30, 2026.
What programming languages does Sustainment use?
C# is named in 25% of job postings at Sustainment, followed by TypeScript (25%), JavaScript (25%).
What frameworks and libraries does Sustainment use?
ASP.NET Core is named in 25% of job postings at Sustainment, followed by Angular (25%), Cypress (25%), Playwright (25%).
What databases does Sustainment use?
PostgreSQL is named in 25% of job postings at Sustainment.
What cloud and platforms does Sustainment use?
GitLab is named in 50% of job postings at Sustainment, followed by AWS (25%), Datadog (25%), Apache Kafka (25%).
What developer tools does Sustainment use?
Docker is named in 25% of job postings at Sustainment, followed by Terraform (25%).
What AI and ML technologies does Sustainment use?
Claude is named in 50% of job postings at Sustainment, followed by LLM (25%).
Which engineering practices does Sustainment ask for?
CI/CD is named in 50% of job postings at Sustainment, followed by Dependency Injection (25%), AI Agents (25%), LLM Evaluation (25%).
How does your stack fit Sustainment?
How modern is the Sustainment stack?
Sustainment scores 88 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 2; legacy ones: 0.
How common is the Sustainment stack in its industry?
Share of the 379 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Sustainment
Questions about the Sustainment tech stack
What programming languages does Sustainment use?
The languages named in Sustainment job postings are C# (25%), TypeScript (25%), JavaScript (25%), as a share of the 4 postings of the last 12 months.
Does Sustainment use GitLab?
Yes. GitLab is named in 2 of 4 job postings (50%) and required in 1 of them.
What cloud and platforms does Sustainment use?
The cloud and platforms named in Sustainment job postings are GitLab (2), AWS (1), Datadog (1) (postings in brackets).
Is the Sustainment tech stack changing?
No new technology has appeared in Sustainment job postings in the last six months.
How modern is the Sustainment tech stack?
Sustainment scores 88 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 2; legacy ones: 0.
How does Alion know the Sustainment tech stack?
Alion reads every job posting Sustainment 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 30, 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, "Sustainment tech stack: 22 technologies from 4 job postings", as of Oct 30, 2026. https://alion.io/company/sustainment-2/technologies
