Senior Systems Administrator

About the role

As a Senior Systems Administrator at Bluestaq, you will ensure that critical infrastructure remains secure, reliable, and available for mission‑critical applications supporting space, defense, and healthcare initiatives.

Key responsibilities

• Maintain and support system networks through technical support and configuration management.
• Perform daily maintenance, monitoring, and troubleshooting of applications, networking issues, and system problems across cloud‑hosted and on‑premises platforms.
• Act as a Tier 2/3 escalation point for infrastructure incidents, outages, and performance degradation.
• Administer Active Directory, including GPOs, role‑based access controls, and user/group policies.
• Support cloud identity and access management (IAM) tools and practices.
• Build and maintain automation workflows using Ansible, Terraform, Docker, and Kubernetes.
• Execute software and system installations, upgrades, routine automation, and cybersecurity risk mitigation tasks.
• Provide responsive support to system users and maintain thorough documentation in Confluence.
• Track and manage work through Jira, communicating scope and status to stakeholders.
• Coordinate with security and compliance teams to meet DoD hardening requirements.
• Support 24/7 operations, including shift work and on‑call rotations as required.

Required profile

• Proven experience in systems administration at a senior level.
• Ability to work in a fast‑paced, mission‑focused environment with on‑call responsibilities.
• Strong collaboration skills with security, compliance, and engineering teams.

Required skills

• Active Directory and Group Policy management.
• Cloud IAM concepts.
• Ansible, Terraform, Docker, Kubernetes.
• Confluence for documentation.
• Jira for work tracking.
• Understanding of DoD security and hardening standards.