Senior Systems Administrator for IC Cloud & On-Prem

Koitecc Solutions; St. Louis (MO); On-site; USD 92,000 - 167,000; Full time

Job summary

Leidos is seeking a Senior Systems Administrator/Help Desk Engineer to support the Chinook Agile software program for an Intelligence Community customer. You will lead Linux and Windows system operations, ensure availability, reliability, and security in mission-critical environments.

You will collaborate with cybersecurity, software development, and network teams, implement DoD STIGs, manage automation (Ansible, PowerShell, Bash), and participate in security audits and incident response while

Qualifications

• US citizenship is required per contract.
• DoD 8570 IAT Level II/III certification or equivalent.
• Experience with cloud platforms and hybrid environments.

Responsibilities

• Lead system administration for Linux/Windows in secure environments.
• Diagnose hardware, software, and end-user issues; manage tickets.
• Architect and manage complex server, storage, virtualization (VMware, KVM).
• Apply OS hardening and patching per DoD STIGs and policies.
• Monitor performance, perform root-cause analysis and rapid resolution.
• Oversee backup/recovery, DR plans, and operations continuity.

Skills

AWS GovCloud

Azure Government

Linux administration

Windows Server

VMware

Education

Bachelor's degree in Computer Science, Engineering, IT

Tools

Ansible

PowerShell

Bash

Job description

Leidos is seeking a Senior Systems Administrator/Help Desk Engineer to support the Chinook Agile software program for an Intelligence Community customer. You will lead Linux and Windows system operations, ensure availability, reliability, and security in mission-critical environments.

You will collaborate with cybersecurity, software development, and network teams, implement DoD STIGs, manage automation (Ansible, PowerShell, Bash), and participate in security audits and incident response while