Sustainment tech stack
Sustainment builds mostly with C#, TypeScript, JavaScript. Its stack also includes GitLab, AWS, PostgreSQL, ASP.NET Core. Claude is named in 3 of the 6 job postings Sustainment published in the last 12 months (50%). Counted by Alion from the job postings of Sustainment, updated Nov 14, 2026.
What programming languages does Sustainment use?
C# is named in 33% of job postings at Sustainment, followed by TypeScript (33%), JavaScript (33%).
What frameworks and libraries does Sustainment use?
ASP.NET Core is named in 33% of job postings at Sustainment, followed by Angular (33%), Cypress (17%), Playwright (17%).
What databases does Sustainment use?
PostgreSQL is named in 33% of job postings at Sustainment.
PostgreSQL
2 33%
What cloud and platforms does Sustainment use?
GitLab is named in 50% of job postings at Sustainment, followed by AWS (33%), Datadog (33%), Apache Kafka (33%).
What developer tools does Sustainment use?
Docker is named in 33% of job postings at Sustainment, followed by Terraform (33%), Git (17%).
What AI and ML technologies does Sustainment use?
Claude is named in 50% of job postings at Sustainment, followed by LLM (17%).
Which engineering practices does Sustainment ask for?
CI/CD is named in 50% of job postings at Sustainment, followed by Dependency Injection (17%), AI Agents (17%), LLM Evaluation (17%).
CI/CD
3 50%
Dependency Injection
1 17%
AI Agents
1 17%
How does your stack fit Sustainment?
How is the Sustainment 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 Sustainment stack?
Sustainment scores 89 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 277 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Sustainment apart
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# (33%), TypeScript (33%), JavaScript (33%), as a share of the 6 postings of the last 12 months.
Does Sustainment use ASP.NET Core?
Yes. ASP.NET Core is named in 2 of 6 job postings (33%) and required in 2 of them.
What cloud and platforms does Sustainment use?
The cloud and platforms named in Sustainment job postings are GitLab (3), AWS (2), Datadog (2) (postings in brackets).
Is the Sustainment tech stack changing?
Yes. ASP.NET Core, AWS, Angular, C# first appeared in Sustainment job postings in the last six months.
How modern is the Sustainment tech stack?
Sustainment scores 89 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 6 postings of the last 12 months and were updated on Nov 14, 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: 23 technologies from 6 job postings", as of Nov 14, 2026. https://alion.io/company/sustainment/technologies