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Interview Guides/ATC
ATC logo
ATCCompany guide
Updated weekly · Reviewed by the Dataford team

ATC interview process & guide 2026

Interview difficulty 4.7 / 10Based on 18 interview reports

Everything we know about interviewing at ATC: what each round tests and compensation by level.

Software EngineerQA EngineerConsultantData EngineerMobile EngineerProject Manager

At a glance

4.7/ 10
Interview difficulty 4.7 / 10
Rated by candidates who reported interviewing here. Harder than 55% of companies we track.
8
Role guides
18
Interview reports
12
Topics tracked
$127k
Median total comp
01 · Difficulty and outcomes

How hard is the ATC interview?

Aggregated from 18 interview experiences
Difficulty mix
Easy20%
Medium73%
Hard7%
Most loops land in the middle: hard enough to prep for, rarely brutal.
Experience sentiment
67%positive
Positive 67%Neutral 20%Negative 13%
02 · Topic breakdown

What ATC actually tests for

How prominent each skill is across reported loops
100%
Electric Power Transmission Operations
100%
Flutter (Mobile Development)
100%
Regulatory Compliance
100%
ArcGIS Enterprise
100%
Data Engineering
100%
Capital construction project management
64%
JavaScript
36%
SQL Server
35%
Agile Development
19%
Oracle Business Intelligence Enterprise Edition (OBIEE)
17%
Power BI
15%
Microsoft Word
Tested less
Tested more
03 · Role guides

Find the guide for your role

This is your next step: open the guide for the role you are interviewing for. Each one carries the questions ATC interviewers actually ask that position, the loop structure, and pay by level.

Showing 8 of 8 role guides
Consultant
$148k-$173k
Open guide
Data Engineer
Questions and loop structure
Open guide
Mobile Engineer
Questions and loop structure
Open guide
Project Manager
$116k-$139k
Open guide
QA Engineer
Questions and loop structure
Open guide
Software Engineer
$77k-$145k
Open guide
Solutions Architect
Questions and loop structure
Open guide
UX/UI Designer
Questions and loop structure
Open guide
04 · Compensation

What ATC pays, by level

Estimated total compensation: base salary plus stock and annual cash bonus.

Median $127k
Level$50kTotal comp range$150kTotal
Senior
Base $120k-$139k
$120k-$139k
Mid-Level
Base $96k-$112k
$96k-$112k
Entry-Level
Base $77k-$90k
$77k-$90k
Ranges blend verified compensation data points. Base + stock + annual bonus shown. Estimates only.
05 · FAQ

ATC interview FAQ

Answered from real candidate and workplace data
How hard is the ATC interview?

Candidates most commonly rate ATC interviews as medium, based on 18 reported interviews.

How much does ATC pay?

Reported total comp across roles at ATC ranges from roughly $77k to $173k per year, varying by level, team, and location.

What topics does ATC test in interviews?

ATC interviews most often cover JavaScript, SQL Server, Agile Development, Oracle Business Intelligence Enterprise Edition (OBIEE), and Power BI. The exact emphasis depends on the specific role you apply for.

What roles can I prepare for at ATC?

Dataford has interview guides for 8 roles at ATC, including Consultant, Data Engineer, Mobile Engineer, and Project Manager, and more.

Is ATC a good place to work?

Employees rate ATC 4.0 out of 5 overall, based on aggregated workplace reviews spanning career growth, work-life balance, compensation, culture, and management.

Where is ATC headquartered?

ATC is headquartered in Pewaukee, WI.

06 · In their words

What people say about ATC

Verbatim snippets from employee and candidate reviews
“The work environment is exceptional, fostering a positive and engaging atmosphere.”
Systems Engineer5.0
“The company offers decent benefits, flexible work schedules, and a supportive professional environment that fosters collaboration among employees.”
Project Manager4.0
“Collaborating with the team is a genuinely positive experience.”
Data Analyst5.0
07 · Keep prepping

Related company guides

Companies that hire for the same roles
Siemens Energy26 guidesSchneider Electric24 guidesGE Vernova23 guidesReliance Industries23 guidesDNV22 guidesENGIE22 guides
On this page0% read
How hard is it?What ATC evaluatesQuestions and role guidesCompensation by levelFAQWhat people sayRelated guides
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Roles at ATC
ATC ConsultantATC Data EngineerATC Mobile EngineerATC Project ManagerATC QA EngineerAll 8 roles
ATC prep plans
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