Sr. IT Systems Administrator, IT Applications

United States Digital Space LLC; Hawthorne (CA); On-site; USD 120,000 - 170,000; Full time

Job summary

United States Digital Space LLC is seeking a Senior IT Systems Administrator to lead Atlassian administration and integrations across Jira Software, Jira Service Management, Confluence, and related tools.

The role focuses on designing and maintaining RESTful APIs, GraphQL endpoints, and webhooks, with an emphasis on security, reliability, and real‑time data synchronization across SaaS platforms and internal systems, while mentoring peers in a fast-paced setting.

Qualifications

• Senior hands-on role requiring deep technical expertise in integrations and Atlassian administration.
• Mentor team members and collaborate with stakeholders to deliver reliable solutions.
• Design, build, and support integrations connecting SaaS tools, CRM, ERP, and internal apps.

Responsibilities

• Collaborate with customers and stakeholders to gather requirements and ensure successful delivery.
• Create and maintain technical and user-facing documentation for internal teams and end users.
• Design, build, and maintain integrations using RESTful APIs, GraphQL, and webhooks.
• Integrate CRM, ERP, billing systems with real-time data synchronization.
• Apply API and security best practices including OAuth and API keys.

Skills

Atlassian administration

Integration design

Technical leadership

Customer-facing problem solving

Security best practices

Tools

Jira Software

Jira Service Management

Confluence

RESTful APIs

GraphQL

Webhooks

Job description

the company was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today the company is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.

SR. IT SYSTEMS ADMINISTRATOR, IT APPLICATIONS

As a Senior IT Systems Administrator, you will serve as a key technical leader and Subject Matter Expert for our collaborative platforms—especially the full Atlassian suite (Jira Software, Jira Service Management, Confluence, and more)—while architecting and maintaining critical integrations that connect SaaS tools, CRM, ERP, billing systems, and internal applications.

You will design, build, and support RESTful APIs, GraphQL endpoints, and webhooks with a strong focus on security, reliability, data transformation, and real‑time synchronization. You’ll identify automation opportunities, implement monitoring and alerting, create clear documentation, and partner directly with stakeholders to deliver solutions that improve efficiency across the organization. You’ll also lead upgrades of Atlassian applications in large, clustered Linux environments, manage complex workflows and schemes, and help mentor others while working in a fast‑paced, high‑impact setting.

This is a hands‑on senior role for someone who combines deep technical expertise in integrations and Atlassian administration with strong customer‑facing and problem‑solving skills. If you want to shape the systems that enable ambitious teams to move faster and more reliably, we want you to apply!

RESPONSIBILITIES

• Collaborate directly with customers and stakeholders to gather requirements, troubleshoot issues, and ensure successful delivery of the project(s)
• Create and maintain detailed technical and user‑facing documentation for the internal team and end users
• Understand how to integrate other applications integrate with each other.
• Design, build, and maintain integrations using RESTful APIs, GraphQL, and webhooks to connect SaaS platforms and internal systems
• Integrate business applications (CRM, ERP, billing, etc.) with a focus on data mapping, transformation, and real‑time synchronization
• Identify integration opportunities that improve efficiency, automate processes, and reduce manual work through deep understanding of operational workflows
• Apply API & security best practices including authentication (OAuth, API keys), error handling, monitoring, and ensuring secure, scalable, and reliable integrations
• Integrate alerting and monitoring to ensure the application and the services are performant and reliable
• Support the Atlassian application stack which includes: Jira Software, Jira Service Management, and Confluence including creation and management of custom complex projects, workflows, schemes, custom fields, and security schemes
• Serve as one of the SMEs of Atlassian stack which comprises of: Jira, Jira Service Management, Confluence, and more