Senior Systems Administrator

Why This Role Matters

At Bluestaq, mission success depends on systems that are secure, reliable, and always ready. As a Senior Systems Administrator, you'll keep critical infrastructure running — maintaining, monitoring, and troubleshooting the applications and systems our teams and customers depend on around the clock. Your work directly strengthens the technical backbone behind Bluestaq's most important missions.

What You'll Own

- Maintain and support the integrity of system networks through technical support and configuration management - Perform daily maintenance, monitoring, and troubleshooting of applications, networking problems, and systems issues across both cloud-hosted and on-premises platforms - Serve as a primary escalation point (Tier 2/3) for infrastructure incidents, outages, and performance degradation - Administer Active Directory including GPO, role-based access controls, and user/group policy management - Support cloud identity and access management (IAM) tools and practices - Build and maintain automation workflows using Ansible, Terraform, Docker, and Kubernetes to reduce manual effort and improve reliability - Perform software and system installations, upgrades, routine automation, and cybersecurity risk mitigation tasks - Provide responsive, solutions-oriented support to system users, ensuring reliable access to tools and systems - Maintain accurate, thorough documentation in Confluence — system configurations, change records, runbooks, and SOPs - Track and manage work through Jira, communicating scope and status effectively to the team and stakeholders - Coordinate with security and compliance teams to ensure systems meet DoD standards and hardening requirements - Support 24/7 operations including shift work and on-call rotations as mission requires - Contribute to team knowledge sharing and support the mentorship of junior administrators (L1/L2) - Proactively identify issues, anticipate roadblocks, and escalate appropriately when needed - Take responsibility for personal development and demonstrate a growth mindset - You use modern AI tools with judgment: integrating them into workflows where they're impactful, reviewing their outputs, and handling proprietary or sensitive data responsibly

What You Bring

Must-Have: - Willing to support 24/7 operations and shift work. - Active DoD Secret or Top Secret security clearance - Proficient understanding of Linux systems administration in production environments - Hands-on Active Directory administration experience - Experience with cloud identity and access management (IAM) tools - Working knowledge of system vulnerabilities and security issues - Solid networking fundamentals — DNS, DHCP, VLANs, firewalls, and routing - Working experience with automation and infrastructure-as-code tools (Ansible, Terraform, Kubernetes, Docker, or Packer) - Experience with cloud computing concepts and the AWS component stack - Strong troubleshooting and debugging skills — curious and investigative approach to problem-solving - Hands-on experience with Atlassian tools — Confluence and Jira - Experience with help desk/ITSM systems and ticketing workflows - Strong collaboration skills — comfortable working across multiple teams and sharing knowledge - Strong written and verbal communication skills — comfortable working directly with customers, end users, and engineering teams - Active CompTIA Security+ certification (DoD Directive 8140/8570.01-M) - Ownership mindset — you follow through, document your work, and find the right balance between persevering and asking for help Bonus: - CISSP or CEH certification - Advanced Ansible, Terraform, or Kubernetes usage in classified or production environments - Linux certifications (RHCSA, RHCE, LPIC, or equivalent) - Familiarity with CI/CD pipelines or DevSecOps practices

Required Education

2+ years of systems administration/information technology experience with a Bachelor's degree OR an Associate degree with 2 additional years of experience beyond the minimum required OR a High School Diploma/GED with 4 additional years of experience beyond the minimum required may be substituted in lieu of a degree.

Pay Range (CO)

$90,000 - $120,000 USD

Clearance Requirement

This position may require the ability to obtain a TS/SCI Clearance. To be eligible for a security clearance, U.S. citizenship is required, and an employee must agree to participate in a background screen and credit check. Eligibility for a TS/SCI Clearance will be assessed as part of the onboarding process or based on programmatic needs.