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Skills Adjacency — What to Learn Next

See which skills are most commonly required together in the defense job listings we track in the Huntsville, AL area. If you already know one skill, these are the skills most often asked for alongside it.

Last reviewed: September 28, 2026

1Python

Most commonly required alongside:

C++(161)MATLAB(118)Java(88)Linux(71)Modeling and Simulation(58)Git(47)C(40)C/C++(37)
2Systems Engineering

Most commonly required alongside:

Verification and Validation(61)Requirements Management(46)Requirements Development(45)DOORS(38)Model-Based Systems Engineering(38)SysML(37)System Integration(37)Trade Studies(37)
3C++

Most commonly required alongside:

Python(161)C(87)Java(71)Linux(60)MATLAB(60)Git(40)Modeling and Simulation(39)Requirements Analysis(31)
4Linux

Most commonly required alongside:

Python(71)C++(60)Windows(47)Java(37)Git(32)GitLab(25)MATLAB(23)Unix(22)
5MATLAB

Most commonly required alongside:

Python(118)C++(60)Modeling and Simulation(51)Simulink(37)Data Analysis(29)Systems Engineering(27)Linux(23)C/C++(20)
6Engineering Drawings

Most commonly required alongside:

GD&T(37)Work Instructions(35)Specifications(24)Mechanical Engineering(20)ASME Y14.5(17)Microsoft Office(17)Root Cause Analysis(17)SolidWorks(17)
7Root Cause Analysis

Most commonly required alongside:

AS9100(45)Work Instructions(35)Corrective Actions(34)Corrective Action(25)ISO 9001(22)Design for Manufacturability(19)GD&T(19)Inspection Plans(18)
8GD&T

Most commonly required alongside:

ASME Y14.5(52)Engineering Drawings(37)SolidWorks(31)Blueprint reading(26)Creo(25)AS9100(22)AutoCAD(20)Root Cause Analysis(19)
9Java

Most commonly required alongside:

Python(88)C++(71)C#(40)Linux(37)Git(32)GitLab(25)C(19)Docker(19)
10Microsoft Office

Most commonly required alongside:

Excel(57)Word(46)PowerPoint(44)Outlook(21)Systems Engineering(18)Engineering Drawings(17)GD&T(17)Configuration Management(16)
11Excel

Most commonly required alongside:

PowerPoint(97)Word(91)Microsoft Office(57)Outlook(38)Microsoft Office Suite(20)SharePoint(20)Data Analysis(17)MS Office(17)
12AS9100

Most commonly required alongside:

Root Cause Analysis(45)ISO 9001(30)GD&T(22)ISO9001(19)Lean Manufacturing(18)Corrective Actions(17)Work Instructions(17)6 Sigma(15)
13Configuration Management

Most commonly required alongside:

Systems Engineering(29)Microsoft Office(16)C++(15)Engineering Drawings(14)Linux(14)GD&T(13)Requirements Traceability(13)Verification and Validation(13)
14Data Analysis

Most commonly required alongside:

Python(35)Systems Engineering(33)MATLAB(29)Modeling and Simulation(24)Data Visualization(20)Excel(17)C++(14)PowerPoint(13)
15PowerPoint

Most commonly required alongside:

Excel(97)Word(84)Microsoft Office(44)Outlook(37)SharePoint(19)Microsoft Office Suite(15)MS Office(14)Data Analysis(13)
16Work Instructions

Most commonly required alongside:

Engineering Drawings(35)Root Cause Analysis(35)Corrective Actions(26)AS9100(17)Design for Manufacturability(17)Schematics(17)Inspection Plans(16)Design for Assembly(14)
17Microsoft Excel

Most commonly required alongside:

Microsoft Word(79)Microsoft PowerPoint(62)Microsoft Outlook(27)Financial Reporting(15)Systems Engineering(15)Microsoft Office(14)Data Analysis(12)Financial Analysis(12)
18Word

Most commonly required alongside:

Excel(91)PowerPoint(84)Microsoft Office(46)Outlook(36)SharePoint(17)Microsoft Office Suite(12)MS Office(12)Engineering Drawings(10)
19SolidWorks

Most commonly required alongside:

GD&T(31)AutoCAD(28)Creo(27)ASME Y14.5(24)CAD(24)CATIA(22)Engineering Drawings(17)Tolerance Stack-up Analysis(14)
20Verification and Validation

Most commonly required alongside:

Systems Engineering(61)System Integration(28)Requirements Management(21)DOORS(19)Requirements Analysis(18)Trade Studies(16)Cameo(15)Interface Definition(15)
21Git

Most commonly required alongside:

Python(47)C++(40)Java(32)Linux(32)GitLab(25)Jira(17)Bash(15)Unit Testing(15)
22Jira

Most commonly required alongside:

Confluence(45)Python(26)Agile(24)Linux(18)Git(17)GitLab(17)Systems Engineering(17)C++(15)
23Modeling and Simulation

Most commonly required alongside:

Python(58)MATLAB(51)C++(39)Data Analysis(24)Systems Engineering(19)Radar Systems(14)Linux(12)Signal Processing(11)
24C

Most commonly required alongside:

C++(87)Python(40)Requirements Analysis(22)Java(19)Software Architecture(17)Object Oriented Analysis & Design(16)Code & Unit Test(15)Software Design(14)
25Risk Management

Most commonly required alongside:

Program Management(28)Systems Engineering(27)Earned Value Management(21)Project Management(18)Schedule Management(14)Cost Management(13)Variance Analysis(11)Integrated Master Schedule(9)
26Agile

Most commonly required alongside:

Jira(24)Systems Engineering(23)Python(20)C++(19)Linux(17)GitLab(15)Scrum(14)Confluence(13)
27Trade Studies

Most commonly required alongside:

Systems Engineering(37)Interface Definition(17)System Integration(17)Functional Analysis(16)Requirements Development(16)Verification and Validation(16)Requirements Allocation(12)Cameo(11)
28System Integration

Most commonly required alongside:

Systems Engineering(37)Verification and Validation(28)Trade Studies(17)Interface Definition(14)Requirements Development(11)Requirements Allocation(10)System Architecture(10)Test Plans(10)
29Creo

Most commonly required alongside:

SolidWorks(27)GD&T(25)ASME Y14.5(23)AutoCAD(23)CAD(17)Engineering Drawings(14)3D CAD(13)CATIA(13)
30Troubleshooting

Most commonly required alongside:

Engineering Drawings(15)Root Cause Analysis(14)Linux(11)Electrical Engineering(9)Electrical Systems(9)Oscilloscopes(9)Corrective Action(8)Data Analysis(8)
Methodology

Skills are extracted from active job posting descriptions using AI. Two skills are considered "adjacent" when they appear in the same job's required skills list. The count shows how many job postings require both skills together. Only pairs appearing in 3 or more postings are shown.

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