Cisco Systems tech stack
Cisco Systems builds mostly with Python, C++, Java, Go. Its stack also includes Kubernetes, AWS, PostgreSQL, React.js. Python is named in 648 of the 1,260 job postings Cisco Systems published in the last 12 months (51%). Counted by Alion from the job postings of Cisco Systems, updated Sep 26, 2026.
What programming languages does Cisco Systems use?
Python is named in 51% of job postings at Cisco Systems, followed by C++ (18%), Java (13%), Go (9%).
Python
648 51%
C++
221 18%
Java
159 13%
Go
118 9%
JavaScript
104 8%
SQL
97 8%
TypeScript
78 6%
Perl
72 6%
Show all (30)
What frameworks and libraries does Cisco Systems use?
React.js is named in 4% of job postings at Cisco Systems, followed by Angular (3%), UVM (3%), LangChain (3%).
React.js
47 4%
Angular
42 3%
UVM
38 3%
LangChain
32 3%
OpenTelemetry
26 2%
PyTorch
25 2%
Pytest
24 2%
LangGraph
21 2%
Show all (87)
And 47 more, each named in fewer postings.
What databases does Cisco Systems use?
PostgreSQL is named in 4% of job postings at Cisco Systems, followed by Snowflake (3%), MySQL (2%), Redis (2%).
PostgreSQL
55 4%
Snowflake
39 3%
MySQL
30 2%
Redis
22 2%
ElasticSearch
18 1%
Oracle
13 1%
OpenSearch
12 1%
ClickHouse
10 1%
Show all (31)
What cloud and platforms does Cisco Systems use?
Kubernetes is named in 24% of job postings at Cisco Systems, followed by AWS (23%), Linux (19%), GCP (14%).
Kubernetes
297 24%
AWS
288 23%
GCP
177 14%
Azure
177 14%
Apache Kafka
64 5%
Grafana
52 4%
Show all (108)
And 68 more, each named in fewer postings.
What developer tools does Cisco Systems use?
Docker is named in 12% of job postings at Cisco Systems, followed by Git (9%), Terraform (9%), Ansible (7%).
Docker
146 12%
Git
118 9%
Terraform
108 9%
Ansible
91 7%
Rest API
90 7%
Model Context Protocol
75 6%
Copilot
71 6%
Jenkins
64 5%
Show all (153)
And 113 more, each named in fewer postings.
What AI and ML technologies does Cisco Systems use?
LLM is named in 9% of job postings at Cisco Systems, followed by Claude (3%), ChatGPT (<1%), Llama (<1%).
Show all (11)
Which engineering practices does Cisco Systems ask for?
CI/CD is named in 23% of job postings at Cisco Systems, followed by AI Agents (17%), Machine Learning (9%), BGP (6%).
CI/CD
287 23%
AI Agents
211 17%
Platform Engineering
50 4%
RAG
50 4%
Show all (101)
And 61 more, each named in fewer postings.
What other technologies does Cisco Systems use?
Kotlin Coroutines is named in <1% of job postings at Cisco Systems, followed by Avalanche (<1%), Bitcoin (<1%), Swift Concurrency (<1%).
What does each Cisco Systems team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
269 postingsHardware
222 postingsDevOps
80 postingsSolutions
79 postingsIndustrial Engineering
67 postingsHow does your stack fit Cisco Systems?
How much does Cisco Systems pay by technology?
Median stated pay of the postings that name each technology, against the median of all Cisco Systems postings with stated pay: $280k across 539 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 250 | $266k | −5% |
| AWS | 118 | $282k | +1% |
| Kubernetes | 105 | $282k | +1% |
| C++ | 92 | $245k | −13% |
| Linux | 88 | $249k | −11% |
| Azure | 72 | $263k | −6% |
| GCP | 71 | $263k | −6% |
| Java | 57 | $257k | −8% |
| LLM | 47 | $308k | +10% |
| Go | 45 | $282k | +1% |
How is the Cisco Systems 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 Cisco Systems stack?
Cisco Systems scores 76 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: 11; legacy ones: 0.
How common is the Cisco Systems stack in its industry?
Share of the 1,417 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Cisco Systems apart
Cisco Systems products in its job postings
Postings at Cisco Systems name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like Cisco Systems
Hewlett Packard Enterprise
332 shared technologies
JPMorganChase
378 shared technologies
Qualcomm
357 shared technologies
NVIDIA
369 shared technologies
Salesforce
323 shared technologies
Accenture
393 shared technologies
CrowdStrike
289 shared technologies
Booz Allen Hamilton
358 shared technologies
Questions about the Cisco Systems tech stack
What programming languages does Cisco Systems use?
The languages named in Cisco Systems job postings are Python (51%), C++ (18%), Java (13%), Go (9%), JavaScript (8%), as a share of the 1,260 postings of the last 12 months.
Does Cisco Systems use React.js?
Yes. React.js is named in 47 of 1,260 job postings (4%) and required in 31 of them.
What cloud and platforms does Cisco Systems use?
The cloud and platforms named in Cisco Systems job postings are Kubernetes (297), AWS (288), Linux (241) (postings in brackets).
What skills do you need for a Backend job at Cisco Systems?
Backend postings at Cisco Systems most often require Python (154), C++ (83), Kubernetes (82), Java (69), out of 269 postings in the last 12 months.
Is the Cisco Systems tech stack changing?
Yes. SciPy, Visualforce, Anthropic SDK, OpenAI SDK first appeared in Cisco Systems job postings in the last six months.
How modern is the Cisco Systems tech stack?
Cisco Systems scores 76 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: 11; legacy ones: 0.
How does Alion know the Cisco Systems tech stack?
Alion reads every job posting Cisco Systems publishes and tags the technologies each one names. The figures on this page count the 1,260 postings of the last 12 months and were updated on Sep 26, 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, "Cisco Systems tech stack: 525 technologies from 1,260 job postings", as of Sep 26, 2026. https://alion.io/company/cisco-systems/technologies