Sr. IT Systems Administrator, IT Applications

United States Digital Space LLC; Bastrop (TX); On-site; USD 110,000 - 140,000; Full time

Job summary

United States Digital Space LLC seeks a Senior IT Systems Administrator, IT Applications, to lead Atlassian administration and integration projects across Jira Software, Jira Service Management, and Confluence.

You will design, build, and support RESTful APIs, GraphQL endpoints, and webhooks with a focus on security and reliability, mentor teammates, and partner with stakeholders to deliver scalable solutions.

Qualifications

• Senior IT Systems Administrator with Atlassian expertise and integrations focus.
• Experience with Jira Software, Jira Service Management, Confluence.
• Strong knowledge of RESTful APIs, GraphQL, and webhooks.
• Ability to mentor others and work with stakeholders.

Responsibilities

• Collaborate with customers and stakeholders to gather requirements and ensure successful delivery of projects.
• 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 to connect SaaS platforms and internal systems.
• Integrate business applications (CRM, ERP, billing, etc.) focusing on data mapping, transformation and real-time sync.
• Implement API security best practices including OAuth and API keys, error handling, monitoring.
• Apply monitoring and alerting to ensure performance and reliability of services.
• Support Atlassian stack including Jira Software, Jira Service Management, and Confluence with complex projects and security schemes.

Skills

Atlassian stack expert

RESTful APIs

GraphQL

Webhooks

OAuth / API keys

Linux administration

Documentation

Mentoring / leadership

Tools

Jira Software

Jira Service Management

Confluence

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