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Best Certifications for a Infrastructure Engineer (2026 Guide)

Sourced and verified directory of the most demanded credentials in the market to help you land a role as a Infrastructure Engineer. We've filtered these certifications by market demand, salary increase, and exam difficulty to give you the best return on your study time.

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Certified Kubernetes Administrator (CKA)

cloud
Offered by Cloud Native Computing Foundation (CNCF)

Validates skills, knowledge, and competency to perform the responsibilities of Kubernetes administrators.

Difficulty: Advanced
Cost: $395
Study Time: 12 Weeks
Est. Boost: +$8,000
Kubernetescontainer orchestrationDockercluster managementnetworking

AWS SAP on AWS Specialty (PAS-C01)

cloud
Offered by Amazon Web Services

Validates expertise in designing, deploying, and managing SAP applications and workloads on AWS infrastructure.

Difficulty: Advanced
Cost: $300
Study Time: 10 Weeks
Est. Boost: +$12,000
AWSSAPenterprise resource planninghigh availabilitydisaster recovery

Associate Cloud Engineer

cloud
Offered by Google

Mid-level certification validating ability to deploy and manage Google Cloud applications and infrastructure.

Difficulty: Intermediate
Cost: $125
Study Time: 8 Weeks
Est. Boost: +$5,000
GCPCompute EngineApp EngineKubernetes EngineCloud Storage

AWS Solutions Architect Associate (SAA-C03)

cloud
Offered by Amazon Web Services

Covers designing scalable, resilient, and cost-optimized architectures on AWS.

Difficulty: Intermediate
Cost: $150
Study Time: 8 Weeks
Est. Boost: +$5,000
AWSVPCIAMEC2S3

Azure Administrator Associate (AZ-104)

cloud
Offered by Microsoft

Validates expertise in managing Azure subscriptions, identities, storage, compute, virtual networks, and monitoring. The most hired-against Azure certification on the market.

Difficulty: Intermediate
Cost: $165
Study Time: 8 Weeks
Est. Boost: +$6,000
AzureMicrosoft Azureidentity managementstoragecompute

Professional Cloud DevOps Engineer

cloud
Offered by Google

Advanced certification validating expertise in deploying, monitoring, and managing Google Cloud infrastructure.

Difficulty: Expert
Cost: $200
Study Time: 12 Weeks
Est. Boost: +$10,000
GCPCI/CDCloud BuildContainer RegistryKubernetes Engine

Professional Cloud Network Engineer

cloud
Offered by Google

Advanced certification validating expertise in designing and managing complex network architectures on Google Cloud.

Difficulty: Expert
Cost: $200
Study Time: 12 Weeks
Est. Boost: +$11,000
GCPnetworkingVPCCloud InterconnectCloud VPN

Professional Cloud Database Engineer

cloud
Offered by Google

Advanced certification validating ability to design, implement, and manage database solutions on Google Cloud.

Difficulty: Expert
Cost: $200
Study Time: 11 Weeks
Est. Boost: +$10,000
GCPCloud SQLFirestoreSpannerBigtable

Google Associate Cloud Engineer

cloud
Offered by Google

Validates ability to deploy and manage Google Cloud applications and infrastructure.

Difficulty: Intermediate
Cost: $125
Study Time: 8 Weeks
Est. Boost: +$3,000
GCPGoogle CloudKubernetesCompute Enginecloud infrastructure

CompTIA Network+ (N10-009)

cloud
Offered by CompTIA

Validates foundational networking skills across infrastructure and protocols.

Difficulty: Beginner+
Cost: $369
Study Time: 8 Weeks
Est. Boost: +$2,000
networkingTCP/IPDNSroutingswitching

HashiCorp Terraform Associate (003)

cloud
Offered by HashiCorp

Validates foundational knowledge of infrastructure as code concepts and the Terraform ecosystem.

Difficulty: Beginner+
Cost: $70
Study Time: 6 Weeks
Est. Boost: +$5,000
Terraforminfrastructure as codecloud provisioningAWSAzure

AWS Database Specialty (DBS-C01)

data
Offered by Amazon Web Services

Validates ability to design, implement, and manage AWS database solutions, including relational, NoSQL, and data warehouse technologies.

Difficulty: Expert
Cost: $300
Study Time: 12 Weeks
Est. Boost: +$13,000
AWSdatabasesRDSDynamoDBRedshift

Cisco CCNA (200-301)

networking
Offered by Cisco

The most recognised entry-level networking certification covering IP connectivity, network access, security fundamentals, automation, and programmability.

Difficulty: Intermediate
Cost: $330
Study Time: 12 Weeks
Est. Boost: +$4,000
networkingTCP/IProutingswitchingVLANs

Cisco CCNP Enterprise

networking
Offered by Cisco

Professional-level Cisco certification for advanced enterprise networking including SD-WAN, network design, automation, and troubleshooting.

Difficulty: Advanced
Cost: $400
Study Time: 20 Weeks
Est. Boost: +$8,000
networkingSD-WANnetwork architectureOSPFBGP

CompTIA Linux+

networking
Offered by CompTIA

Validates Linux administration skills including scripting, system management, security, and troubleshooting across multiple distributions.

Difficulty: Beginner+
Cost: $338
Study Time: 8 Weeks
Est. Boost: +$3,000
Linuxbash scriptingshell scriptingsystem administrationnetworking

Red Hat Certified System Administrator (RHCSA)

networking
Offered by Red Hat

Performance-based Red Hat certification validating core Linux system administration skills including storage, networking, security, and automation.

Difficulty: Intermediate
Cost: $400
Study Time: 8 Weeks
Est. Boost: +$5,000
LinuxRed HatRHELsystem administrationbash scripting

Red Hat Certified Engineer (RHCE)

networking
Offered by Red Hat

Advanced Red Hat certification focused on automation using Ansible, covering playbooks, roles, inventory management, and enterprise automation at scale.

Difficulty: Advanced
Cost: $400
Study Time: 12 Weeks
Est. Boost: +$8,000
AnsibleautomationLinuxRed Hatplaybooks

VMware VCP-DCV (Data Center Virtualization)

networking
Offered by VMware / Broadcom

Validates expertise in VMware vSphere virtualization, covering deployment, configuration, management, and troubleshooting of virtual infrastructure.

Difficulty: Intermediate
Cost: $250
Study Time: 10 Weeks
Est. Boost: +$5,000
VMwarevSpherevirtualizationvCenterESXi