L3Harris Technologies tech stack
L3Harris Technologies builds mostly with Python, C++, MATLAB, SQL. Its stack also includes Linux, Windows, Qt, Hadoop. Python is named in 153 of the 475 job postings L3Harris Technologies published in the last 12 months (32%). Counted by Alion from the job postings of L3Harris Technologies, updated Oct 1, 2026.
What programming languages does L3Harris Technologies use?
Python is named in 32% of job postings at L3Harris Technologies, followed by C++ (24%), MATLAB (17%), SQL (14%).
C++ 
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What frameworks and libraries does L3Harris Technologies use?
Qt is named in 8% of job postings at L3Harris Technologies, followed by Hadoop (5%), React.js (2%), Pandas (1%).
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What databases does L3Harris Technologies use?
Snowflake is named in 3% of job postings at L3Harris Technologies, followed by MySQL (2%), PostgreSQL (2%), MS SQL (1%).
Snowflake
13 3%
MySQL
9 2%
PostgreSQL
8 2%
MS SQL
6 1%
DynamoDB
5 1%
Oracle
3 1%
Cassandra
2 <1%
InfluxDB
2 <1%
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What cloud and platforms does L3Harris Technologies use?
Linux is named in 25% of job postings at L3Harris Technologies, followed by Windows (17%), RTOS (8%), Unix (8%).
RTOS
38 8%
Power BI
35 7%
.NET
34 7%
AWS
28 6%
Kubernetes
27 6%
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And 20 more, each named in fewer postings.
What developer tools does L3Harris Technologies use?
SolidWorks is named in 11% of job postings at L3Harris Technologies, followed by Microsoft Excel (8%), Git (7%), AutoCAD (7%).
SolidWorks
50 11%
Git
33 7%
AutoCAD
31 7%
Docker
28 6%
Jenkins
17 4%
Xilinx Vivado
17 4%
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And 27 more, each named in fewer postings.
What AI and ML technologies does L3Harris Technologies use?
BERT is named in 4% of job postings at L3Harris Technologies, followed by LLM (<1%), Claude (<1%).
Which engineering practices does L3Harris Technologies ask for?
CI/CD is named in 10% of job postings at L3Harris Technologies, followed by ETL/ELT (3%), TCP/IP (3%), Configuration Management (2%).
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What does each L3Harris Technologies team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Industrial Engineering
129 postingsHardware
86 postingsBackend
80 postingsField & Service
30 postingsSecurity
21 postingsOperations
16 postingsHow does your stack fit L3Harris Technologies?
How much does L3Harris Technologies pay by technology?
Median stated pay of the postings that name each technology, against the median of all L3Harris Technologies postings with stated pay: $172k across 187 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 52 | $172k | 0% |
| Linux | 46 | $158k | −8% |
| C++ | 44 | $180k | +5% |
| MATLAB | 39 | $172k | 0% |
| Windows | 32 | $149k | −13% |
| VHDL | 22 | $176k | +2% |
| Java | 21 | $156k | −9% |
| SQL | 18 | $140k | −18% |
| C# | 18 | $140k | −18% |
| Power BI | 13 | $147k | −14% |
How modern is the L3Harris Technologies stack?
L3Harris Technologies scores 80 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: 3; legacy ones: 0.
How common is the L3Harris Technologies stack in its industry?
Share of the 1,180 companies in the same industries, whose stack Alion knows, that use each technology.
What sets L3Harris Technologies apart
Companies with a stack like L3Harris Technologies
RTX
162 shared technologies
Jabil
164 shared technologies
Northrop Grumman
195 shared technologies
Lockheed Martin
182 shared technologies
Applied Materials
163 shared technologies
Thales Group
202 shared technologies
General Dynamics Mission Systems
137 shared technologies
Thermo Fisher Scientific
151 shared technologies
Questions about the L3Harris Technologies tech stack
What programming languages does L3Harris Technologies use?
The languages named in L3Harris Technologies job postings are Python (32%), C++ (24%), MATLAB (17%), SQL (14%), C# (13%), as a share of the 475 postings of the last 12 months.
Does L3Harris Technologies use Qt?
Yes. Qt is named in 38 of 475 job postings (8%) and required in 37 of them.
What cloud and platforms does L3Harris Technologies use?
The cloud and platforms named in L3Harris Technologies job postings are Linux (118), Windows (82), RTOS (38) (postings in brackets).
What skills do you need for a Industrial Engineering job at L3Harris Technologies?
Industrial Engineering postings at L3Harris Technologies most often require SolidWorks (34), MATLAB (30), Python (24), Power BI (11), out of 129 postings in the last 12 months.
Is the L3Harris Technologies tech stack changing?
No new technology has appeared in L3Harris Technologies job postings in the last six months.
How modern is the L3Harris Technologies tech stack?
L3Harris Technologies scores 80 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: 3; legacy ones: 0.
How does Alion know the L3Harris Technologies tech stack?
Alion reads every job posting L3Harris Technologies publishes and tags the technologies each one names. The figures on this page count the 475 postings of the last 12 months and were updated on Oct 1, 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, "L3Harris Technologies tech stack: 241 technologies from 475 job postings", as of Oct 1, 2026. https://alion.io/company/l3harris-technologies/technologies