To get it certification, it leads to help you build a career as an engineer.
Network Certifications

Network Certifications are almost Cisco Certifications because The Top Network Devices Share is Cisco’s Devices.
Introduce Cisco Certifications below.
CCNA

CCNA means Cisco Certified Network Associate. This certification not only focuses on Cisco devices but also covers a wide range of networking technologies, making it a valuable entry-level qualification for network engineers.
CCNP

CCNP means Cisco Certified Network Professional.
To get CCNP, you have to take and pass two exams, a core exam and a concentration exam.
How to earn your Enterprise Professional certification
At the professional level, Cisco certifications focus on both core subjects, and specialist skills designed to help you differentiate yourself in the market. To earn your certification, you’ll take a core exam and a concentration exam of your choice. You’ll also earn a Specialist certification for every exam you pass, so you can show off your unique skills to employers.
OS Certifications
Introduce OS Certifications.
LPIC

LPIC is Linux Professional Certifications. Linux is one of Operating System used on Servers.
Linux Professional
Linux Professional Institute‘s Linux Professional Track is designed to evaluate the knowledge and skills of Linux systems administrators. To keep pace with evolving technology, the exam objectives are updated on average every three years and Linux Professional Institute certifications are valid for five years before you must recertify or certify at a higher level.Although the exams may be taken in any order, lower level certifications must be achieved before higher-level certifications can be awarded.
https://www.lpi.org/our-certifications/summary-of-lpi-certifications/#linux-professional
You can take LPIC exam on Pearson Vue.
https://www.pearsonvue.com/us/en/lpi.html
You can see “LPIC-1 Exam 101 and 102 Objectives” below:
https://www.lpi.org/our-certifications/exam-101-102-objectives/
Cloud Certifications
Introduce Certifications for Cloud Engineer like Engineers use AWS.
AWS Certifications

AWS means Amazon Web Services. AWS provides AWS Certifications.
https://aws.amazon.com/certification
https://aws.amazon.com/training
AWS has several Certifications. You can image AWS certification paths by pdf below :
https://d1.awsstatic.com/training-and-certification/docs/AWS_certification_paths.pdf