System Administrator: Build Reliable, Secure Infra

HawkEye 360; Aurora (CO); On-site; USD 99,000 - 165,000; Full time

Job summary

Innovative Signal Analysis, Inc. seeks System Administrators at Junior, System, or Senior levels to design, deploy, and support mission-critical systems across Windows and Linux in Colorado and Texas.

Responsibilities include admin, provisioning, patching, and security hardening, with collaboration across teams. Candidates must have TS/SCI with CI Polygraph, onsite Colorado work, and willingness to travel, with a competitive compensation package.

Qualifications

• Active TS/SCI clearance with CI Polygraph required.
• Bachelor's degree in CS/IT/CE/Cybersecurity or related field preferred.
• Ability to work onsite in Colorado with occasional travel to Texas.
• Willingness to support maintenance outside normal hours.

Responsibilities

• Administer, secure, maintain, and troubleshoot Windows and Linux servers, workstations, applications, and supporting infrastructure.
• Support Windows 11, Windows Server 2022, Red Hat Enterprise Linux 8/9, Microsoft 365, Active Directory, Group Policy, DNS, DHCP, Exchange, WSUS, and certificate services.
• Perform system provisioning, patching, upgrades, vulnerability remediation, configuration changes, backups, and lifecycle maintenance.
• Monitor system health, performance, capacity, availability, and security events.
• Support users and engineering teams through helpdesk, ticketing, incident response, and root-cause analysis processes.
• Participate in infrastructure projects and, depending on experience, lead technical planning and implementation.
• Create and maintain system documentation, diagrams, procedures, build guides, and troubleshooting records.
• Collaborate with coworkers, users, vendors, and leadership across Colorado and Texas.

Skills

Systems administration

Active Directory/PKI

Networking

Virtualization

Scripting (PowerShell/Bash)

Security/compliance

Helpdesk/communication

Education

Bachelor's degree in Computer Science, Information Technology, Computer Engineering, Cybersecurity, or related field

Tools

Kickstart

Windows unattended installation

Git version control

Job description

Innovative Signal Analysis, Inc. seeks System Administrators at Junior, System, or Senior levels to design, deploy, and support mission-critical systems across Windows and Linux in Colorado and Texas.

Responsibilities include admin, provisioning, patching, and security hardening, with collaboration across teams. Candidates must have TS/SCI with CI Polygraph, onsite Colorado work, and willingness to travel, with a competitive compensation package.