Senior Network Technology Support Specialist (4G/5G)
Brno, Czech Republic
Job Description:
Join AT&T and help shape the future of communications and technology that connect the world. We value innovators who seek to explore the unknown and challenge the status quo. Bring your bold ideas and fearless spirit to redefine connectivity and transform how people share stories and experiences. At AT&T, you won’t just imagine the future—you’ll build it.
In the role of a Senior Network Technology Support Specialist (4G/5G), you will play a pivotal role in ensuring the reliability and performance of AT&T’s 4G and 5G mobility data core. Your work directly impacts the continuity of critical services for millions of users by troubleshooting complex network issues, implementing changes, and leading improvements in a fast-paced, 24x7 environment. You’ll be part of a global team that keeps AT&T’s advanced mobility networks running smoothly, making you a key contributor to the company’s innovation and customer satisfaction.
What you’ll do:
- Troubleshoot and resolve complex network issues in real time, ensuring rapid service restoration.
- Monitor and maintain network performance through proactive system checks and maintenance of software related to 4G/5G mobility data core.
- Configure and deploy network devices, manage changes, and implement technical solutions.
- Collaborate with cross-functional teams, vendors, and customers to support operations and projects.
- Perform complex planned changes on live network elements
- Maintain and create technical documentation and reports to support ongoing operations.
- Lead or support root cause analysis, process improvements, and testing of network changes.
What you’ll need:
- Strong analytical and troubleshooting skills with a proactive, solution-oriented mindset.
- Ability to work collaboratively in a global, fast-paced, 24x7 environment.
- Effective communication skills for coordinating with teams, vendors, and customers.
- Flexibility to participate in on-call rotation and adapt to changing priorities to cover working hours: 8.00 am to 5.00 pm CET + on call rotation (weekend coverage with occasional overnights)
- Attention to detail in both technical execution and documentation.
- Initiative to take ownership of issues and drive them to resolution.
What you’ll bring:
- 4+ years of relevant experience in network support or system administration.
- Proficiency in Linux/Unix environments and technical writing.
- Strong understanding of mobility architectures (4G/5G).
- Experience with system administration and configuration management.
- Knowledge of cloud platforms (OpenStack, VMWare, Kubernetes) and networking (CCNA certification preferred).
- Bachelor’s degree in Math, Science, Engineering, or equivalent experience (preferred).
Our earns between 91,000 - 137,000 CZK gross / month. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on experience, expertise, and education/training.
Joining our team comes with amazing perks and benefits:
Annual Bonus & Annual Salary Increase
Meal benefit (180 CZK electronic meal voucher / 100 CZK meal lump)
Group risk rife insurance
Premium medical services (available also to family members at a reduced price)
Wellness & leisure time contribution (Benefit Plus)
Multisport card from your leisure points
Sickness compensation Plan
Pension contribution
25 days of vacation
Service anniversary scheme (extra days off and non-monetary bonus)
Family-friendly benefits
Volunteering day
Employee Assistance Program (free psychological, legal and financial counseling)
International Employee Referral Program
Various discounts
Free coffee and fruit
Free parking in the AT&T office
Apply today!
Weekly Hours:
40Time Type:
RegularLocation:
Brno, CzechiaIt is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.
Job ID R-91687 Date posted 12/04/2025
Benefits
Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.
- Paid Time Off
- Tuition Assistance
- Medical and dental plans
- Discounts
- Training & Development
Our hiring process
Apply Now
Confirm your qualifications align with the job requirements and submit your application.
Assessments
You may be required to complete one or more assessments, depending on the role.
Interview
Get ready to put your best foot forward! More than one interview may be necessary.
Conditional Job Offer
We’ll reach out to discuss a conditional job offer and the next steps to joining the team.
Background Check
Timing is important – complete the necessary actions to proceed with onboarding.
Welcome to the Team!
Congratulations! It’s time to experience #LifeAtATT.
Check your email (and SPAM) throughout the process for important messages and next steps.
Connect today
Didn’t find what you were looking for here? Sign up for our job alerts so we can connect and share the latest.