DO328 Building Resilient Microservices with Istio and Red Hat OpenShift Service Mesh Intermediate
Building Resilient Microservices with Istio and Red Hat OpenShift Service Mesh (DO328) trains developers and platform engineers to secure, monitor, and manage microservices in complex OpenShift environments, solving the critical challenge of service resilience in distributed systems. With 80% of enterprises adopting microservices, mastering service mesh technologies is essential for maintaining reliable cloud-native applications.
This course prepares learners for the Red Hat Certified Specialist in Building Resilient Microservices (EX328) exam. Koenig Solutions offers official, hands-on labs with 30-day access, ensuring mastery of traffic management, zero-trust security, and chaos testing for real-world impact.
Training Formats & Pricing
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Course Overview
The DO328 Building Resilient Microservices with Istio and Red Hat OpenShift Service Mesh course by Red Hat is designed for developers and platform engineers tasked with managing secure, reliable microservices communication in OpenShift environments. This course prepares learners for the Red Hat Certified Specialist in Building Resilient Microservices (EX328) exam, aligning with growing industry demand for service mesh expertise in cloud-native architectures. With over 60% of enterprises adopting microservices, professionals skilled in OpenShift Service Mesh are critical for maintaining resilient, observable, and secure distributed systems. The training equips individuals with foundational and advanced skills in service interaction management, making it ideal for roles such as Cloud-Native Developer, DevOps Engineer, and Platform Architect.
Students engage with key technologies including Red Hat OpenShift Service Mesh, Istio, Kiali, Jaeger, and OpenShift Observability to gain hands-on experience in real-world scenarios. Through immersive labs in a live OpenShift environment, participants install service mesh components, configure traffic routing strategies, implement failover mechanisms, and apply zero-trust security using mutual TLS. A core project involves building a resilient microservices application where learners simulate fault injection and chaos testing to observe system behavior under stress. These practical exercises reinforce critical concepts like load balancing, service tracing, and policy enforcement, providing a comprehensive understanding of how to monitor and secure service-to-service communication in production-grade deployments.
By completing DO328 Building Resilient Microservices with Istio and Red Hat OpenShift Service Mesh, professionals prepare for the highly recognized EX328 certification, which validates expertise in modern service mesh implementation. Certified specialists report career advancements with average salary increases of up to 20%, reflecting strong market demand for these niche skills. Koenig Solutions enhances this learning journey with 1-on-1 training options and Guaranteed-to-Run scheduling, ensuring access to official Red Hat courseware and expert instruction. Graduates gain the confidence to design, manage, and secure scalable microservices architectures, positioning them for leadership roles in cloud-native transformation initiatives.
What You'll Learn
Skills You'll Gain
Prerequisites
- Red Hat Certified Specialist in OpenShift Administration or equivalent experience with Red Hat OpenShift Container Platform.
- Working knowledge of Kubernetes core objects, including services, pods, and deployments.
- Proficiency in using CLI tools (oc) for managing and troubleshooting containerized applications on OpenShift.
- Understanding of YAML for creating and managing Kubernetes manifests.
- Familiarity with microservices architecture and basic service mesh concepts.
Certification Exam
Everything you need to know about the DO328 certification exam
Course Curriculum
Structured learning with hands-on labs and real-world scenarios
1
Day 1– Day 1: Service Mesh Fundamentals
2
Day 2– Day 2: Deployment and Configuration
3
Day 3– Day 3: Observability and Monitoring
4
Day 4– Day 4: Traffic Management
5
Day 5– Day 5: Security and Resilience
What's Included in Your Training
Every enrollment comes packed with resources to maximise your learning and exam success
Official Courseware
Hands-On Lab Environment (30 days)
Exam Preparation Materials
Practice Test Questions (200+)
Certificate of Completion
Post-Training Support (30 days)
Session Recording Access
Free Rescheduling (7+ days notice)
Hands-On Lab
Live Lab Sandbox
Real EnvironmentPractice in a real lab environment with full access to the tools and services covered in the course.
30+ Guided Labs
30+Step-by-step lab exercises designed to reinforce each module with practical, hands-on tasks.
Lab Manual Included
Full GuideComprehensive lab guide with detailed instructions, screenshots, and troubleshooting tips.
Post-Training Access
30 Days30 days of extended lab access after your training ends so you can continue practicing.
Career Outcomes
of DO328 certified professionals report career advancement within 6 months
Salary Impact
Average salary increase reported after obtaining the DO328 certification
*Source: Glassdoor / LinkedIn 2025
Job Roles
- Site Reliability Engineer
- Cloud-Native Developer
- Microservices Architect
- DevOps Engineer
- Platform Engineer
- Service Mesh Specialist
Companies Hiring
and 5,000+ organizations worldwide seeking DO328 certified professionals
Course Student Reviews
Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.
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★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
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“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
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“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
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“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
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“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
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“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified
-
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified
-
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
Frequently Asked Questions
Everything you need to know about the DO328 training course
Is the Red Hat Certified Specialist in Building Resilient Microservices exam (EX328) included in the DO328 course, and what is the exam fee if separate?
What training formats does Koenig offer for DO328, and do they guarantee the course will run?
How long is lab access provided for DO328, and what environment is used?
What is Koenig's rescheduling and cancellation policy for DO328 training?
What is the format, number of questions, passing score, and time limit for the EX328 certification exam?
How long is the Red Hat Certified Specialist in Building Resilient Microservices certification valid, and what is the renewal process and cost?
What post-training support does Koenig provide after completing the DO328 course?
What are the prerequisites or recommended experience for enrolling in the DO328 course?
What job roles and salary impact can result from completing DO328 and earning the EX328 certification?
How does instructor-led DO328 training compare to self-study in terms of exam success and skill retention?
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