S3, Inc reviews

3.4

63% would recommend to a friend

(73 total reviews)

Jan Smith

58% approve of CEO

54% positive business outlook

S3, Inc has an employee rating of 3.4 out of 5 stars, based on 73 company reviews on Glassdoor which indicates that most employees have a good working experience there. The S3, Inc employee rating is in line with the average (within 1 standard deviation) for employers within the Aerospace & Defense industry (3.6 stars).

Reviews by job title

73 reviews
5.0
Apr 13, 2026

Homegrown Huntsville Enterprise with Co-Workers to Die For

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Excellent place to participate in an industry that has served North Alabama for decades. There is an amazing workforce here that cares about the mission.

Cons

A lot of work goes into your job here, so a strong work ethic is needed.

5.0
Oct 16, 2025
Recommend
CEO approval
Business Outlook

Pros

At its core, this is a solid company to work for. It offers flexibility, a strong leadership team with deep industry experience, and a highly educated group of professionals who have been in the field for many years. The environment is generally friendly, with supportive coworkers, good work-life balance, and fair compensation. There are genuine opportunities to take on more responsibility, learn new skills, and advance within the organization. However, it’s important to note that this environment may not suit everyone. Success here depends largely on being a self-starter—someone who can take initiative, learn independently, and ask the right questions without overstepping boundaries. A cautious, observant approach during the early stages goes a long way toward integrating smoothly, especially when it comes to understanding why things are done a certain way before proposing changes. Overall, I genuinely enjoy working here. Flexible work environment and good work-life balance Experienced, knowledgeable leadership team Highly educated and seasoned professionals across departments Friendly coworkers and a collaborative atmosphere Competitive pay and opportunities for growth and advancement Exposure to challenging, meaningful work that allows you to develop new skills

Cons

Some employees appear busy without contributing effectively, which can impact overall productivity A few team members are not strong collaborators but remain in key roles, affecting group performance Management could improve efficiency by taking a more structured approach—identifying problems, creating and documenting improvement plans, and ensuring consistent communication practices Constructive criticism is valuable, but how feedback is delivered matters; tone and approach can influence morale and engagement

5.0
Jun 17, 2025

Positive

Recommend
CEO approval
Business Outlook

Pros

I have been employed with S3INC for over 18 yrs, Trained thousands of Soldiers, Airmen, Seaman and a few Marines. I could not ask for a better place to work,

Cons

Lack of longevity in the Headquarters staff

Viewing 1 - 3 of 73 Reviews

Glassdoor has 76 S3, Inc reviews submitted anonymously by S3, Inc employees. Read employee reviews and ratings on Glassdoor to decide if S3, Inc is right for you.