Is MANTECH a good company to work for as a System Engineer?

System Engineer professionals working at MANTECH have rated their employer with 3.5 out of 5 stars in 30 Glassdoor reviews. This is a lower than average score with the overall rating of MANTECH employees being 4.0 out of 5 stars. Search open System Engineer Jobs at MANTECH now and start preparing for your job interview by browsing frequently asked System Engineer interview questions at MANTECH .

Does MANTECH pay System Engineer employees well?

System Engineer professionals rate their compensation and benefits at MANTECH with 3.5 out of 5 stars based on 30 anonymously submitted employee reviews. This is 10.8% worse than the company average rating for salary and benefits. Find out more about System Engineer salaries at MANTECH.

What are the top reviewed jobs at MANTECH?

Information Systems Security Officer (ISSO) (43) , Program Manager (38) , Project Manager (38) , Systems Administrator (34) , Systems Engineer (31) , Software Engineer (25) , Executive Director (21) , Heavy Equipment Mechanic (20) , Senior Systems Engineer (20) , Analyst (19) , Engineer (17) , Senior Systems Administrator (17) , Logistics Analyst (16) , Cyber Security Analyst (15) , Director (15)

What are the pros of working at MANTECH according to real employee reviews?

"Benefits are good and ability to work remote" ((in 273 reviews)); "Pay is good and they have a working system" ((in 164 reviews)); "Great teams across the org and all people make themselves accessible regardless of job level." ((in 111 reviews)); "leadership are great and excellent" ((in 64 reviews)); "good work life balance in most cases" ((in 63 reviews))

What are the cons of working at MANTECH according to real employee reviews?

"On my contract, several employees were given notice of their layoffs (due to contract modifications) on Christmas Eve, despite the company knowing about these layoffs for several weeks prior." ((in 14 reviews)); "Poor communication." ((in 12 reviews)); "Upper management is dishonest and only focused on the near term." ((in 11 reviews)); "Nepotism is rampant!" ((in 4 reviews)); "Do not cross paths with the favorites." ((in 4 reviews))

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MANTECH

MANTECH System Engineer reviews

3.5

83% would recommend to a friend

(30 total reviews)

Matt Tait

78% approve of CEO

77% positive business outlook

Ratings by category

4.1

Work/Life balance

4.0

Career opportunities

3.9

Culture & values

3.9

Diversity & inclusion

3.5

Compensation and benefits

3.4

Senior management

System Engineer employees have rated MANTECH with 3.5 out of 5 stars, based on 30 company reviews on Glassdoor. This indicates that most System Engineer professionals have a good working experience there. MANTECH is rated in line with the average (within 1 standard deviation) by System Engineer professionals compared to other employers within the Aerospace & Defense industry (3.6 stars).

Ratings by demographic groups

Race / Ethnicity

Gender

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Parent or family caregiver

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Reviews by job title

30 reviews

3.0

Jun 23, 2026

Valuable experience, but raises lag behind inflation

Systems engineer

Recommend

CEO approval

Business Outlook

Pros

You can gain a lot of experience,

Cons

Raises are usually maximum of 3% and does not keep up with inflation.

MANTECH Response

Thank you for taking the time to leave us your feedback. We’re pleased to know that you find the hands-on experience at MANTECH to be highly valuable for your career as a Systems Engineer. We take your comments regarding merit increases and inflation seriously. We strive to balance annual raises with internal promotion opportunities, skill-building resources, and robust benefits. We appreciate your hard work and will share your feedback with our leadership teams as we continuously evaluate our compensation practices.

4.0

Dec 11, 2025

Mantech

Systems engineer

Recommend

CEO approval

Business Outlook

Pros

A lot of opportunities available.

Cons

They have competitive benefits and salaries

4.0

Mar 31, 2025

I enjoyed working here

Systems engineer

Recommend

CEO approval

Business Outlook

Pros

Good pay and leave benefits.

Cons

Healthcare could be a bit cheaper

MANTECH Response

We are thrilled that you enjoyed working here and called out ManTech's competitive pay and leave benefits. Thank you.

Viewing 1 - 3 of 30 Reviews

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MANTECH System Engineer reviews

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Valuable experience, but raises lag behind inflation

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I enjoyed working here

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