Senior Customer Onboarding Engineer

Horizon3.ai

. Lead customer and internal kickoff meetings and confirm scope, environments, owners, identity/access paths, compliance constraints, and go-live criteria .

Posted 9/29/2026full-timeRemote • United StatesSenior💰 $126,000 - $140,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in cloud operations, technical support, and systems administration, with a strong focus on Linux environments, Docker, and Kubernetes. Proven ability to manage customer engagements, troubleshoot complex issues, and create reusable implementation assets.

Highest-signal resume keywords

Cloud OperationsLinux AdministrationDocker and KubernetesNetworking FundamentalsCybersecurity Compliance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Linux AdministrationDockerKubernetesAWSAzureGCPTCP/IPBash ScriptingPython ScriptingAPI Integration

Soft Skills

Customer EngagementMentoringCollaboration

Tools & Technologies

TerraformAnsibleCloudFormationDatadogAmazon RDS

Industry Keywords

CybersecuritySOC 2GDPRRBACSSOOAuthSAML

Tech Stack

Tools & technologies

AnsibleAWSAzureCloudCyber SecurityDockerFirewallsGoogle Cloud PlatformJavaScriptKubernetesLinuxPythonTCP/IPTerraformGo

About the role

Key responsibilities & impact

Lead customer and internal kickoff meetings and confirm scope, environments, owners, identity/access paths, compliance constraints, and go-live criteria
Project-manage the 30-day onboarding plan and track blockers such as credentials, firewall changes, IdP claims, and change windows
Provide best-practices expertise and assist with deployment and optimization of customer environments
Ensure successful production deployment against customers’ initial testing goals
Diagnose and resolve implementation failures across cloud infrastructure, networking, and security
Perform root-cause analysis on first-time integration and deployment issues
Configure, tune, harden, and troubleshoot Linux production environments
Deploy and manage Docker workloads in Kubernetes or similar orchestrated environments
Provision and troubleshoot pentest configurations in AWS, Azure, or GCP
Troubleshoot TCP/IP, firewalls, VPNs, load balancers, and other network issues
Configure and validate RBAC, SSO, OAuth, SAML, Active Directory, and LDAP identity paths
Scope and configure initial NodeZero tests
Collaborate with Customer Success, Engineering, Product, and Sales to resolve broader implementation issues
Advocate for customer-specific changes and product improvements
Mentor junior onboarding and support engineers
Create reusable scripts, templates, playbooks, dashboards, modules, and runbooks
Support standard support case management and resolution when bandwidth allows
Stay current on cloud, container, and security practices

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent professional experience
5+ years in technical support, systems administration, cloud operations, implementation, or a similar enterprise role
Background in cybersecurity, including threat detection, vulnerability management, encryption standards, and compliance frameworks such as SOC 2 or GDPR
Strong Linux administration in production
Hands-on Docker and containerization experience, including Kubernetes or similar orchestration
Working knowledge of AWS, Azure, or GCP and IaC tools such as Terraform, Ansible, or CloudFormation
Networking fundamentals: TCP/IP, firewalls, VPNs, load balancers, Wireshark, and tcpdump
Basic scripting in Bash, Python, or PowerShell
Demonstrated self-learning through labs, certifications, personal projects, or open-source work
Experience comparable to a junior cloud administrator in an enterprise setting
Familiarity with RBAC, SSO (OAuth, SAML), Active Directory, and LDAP
Basic database literacy, including relational vs. schemaless stores, schema, querying, and light administration
Ability to run a customer-facing technical engagement to a 30-day finish line with minimal supervision
Proven API integration and troubleshooting experience, including REST services and authentication mechanisms
Familiarity with observability tools such as Datadog
Basic managed database experience such as Amazon RDS
Broader coding ability in Python, JavaScript, or Go
Prior onboarding, professional services, or TAM experience with a defined time-to-go-live
Experience creating reusable implementation assets and customer-ready runbooks

Benefits

Comp & perks

Equity package in the form of stock options for all full-time roles
Health, vision & dental insurance for you and your family
Flexible vacation policy
Generous parental leave
Career development opportunities
Remote and hybrid work models depending on role and location
Inclusive and collaborative culture