Posted:
5/3/2026, 5:00:00 PM
Location(s):
Sofia, Sofia-City, Bulgaria ⋅ Sofia-City, Bulgaria
Experience Level(s):
Junior ⋅ Mid Level ⋅ Senior
Field(s):
IT & Security ⋅ Software Engineering
Workplace Type:
Hybrid
Day in the Life of the Information Security Engineer:
Administration & Maintenance:
Security & Policy Management
Monitoring & Troubleshooting
Documentation & Compliance
Required Qualifications - About you:
Technical Expertise
Security Focus
Other Requirements
Highly Preferred:
AI Fluency & Growth Mindset- We welcome candidates who:
Why Join PROS?
PROS culture and its extraordinary people are at the core of our success. We are passionate about what we do and relentless in delivering on our promises.
Our commitment to customer success inspires us to think smarter and dream bigger, empowering airlines to achieve more than they ever imagined through intelligent offer and revenue optimization.
At PROS, we foster a culture of care, where people feel supported to grow, innovate, and bring their best selves to work—every day. From flexible ways of working to continuous learning, we empower our teams to thrive both personally and professionally.
Join PROS, a dedicated travel technology company with nearly 40 years of proven airline expertise and a long runway for future growth, now powering the future of AI-driven airline retailing. If you want to be part of something exceptional, help us shape how airlines compete, innovate, and win.
PROS Core Values
We are Owners
We look for every opportunity to create a better PROS and a better experience for our customers – and we hold ourselves accountable.
We are Innovators
We think creatively to find new paths to success – for our people, our customers and our business.
We Care
We are centered on caring for the people, businesses, and communities we serve.
Website: https://pros.com/
Headquarter Location: Houston, Texas, United States
Employee Count: 1001-5000
Year Founded: 1985
IPO Status: Public
Last Funding Type: Private Equity
Industries: Artificial Intelligence (AI) ⋅ Big Data ⋅ Computer ⋅ Software