Senior Systems Administrator — On-Site (DoD-Ready)

Kratos Defense & Rocket Support Services, Inc; Crane (IN); On-site; USD 110,000 - 160,000; Full time

Job summary

Kratos Defense & Rocket Support Services, Inc. is seeking a Senior Systems Administrator to manage complex Windows and Linux environments, implement cybersecurity controls, and ensure reliable, secure operations in a doD-regulated setting.

The role emphasizes AD, automation, and enterprise system management on-site at Crane, IN. The successful candidate will maintain AD, manage certificates, handle patching, and troubleshoot across distributed environments while collaborating with vendors and

Qualifications

• Strong communication, critical thinking and problem-solving; prioritise multiple projects.
• Ability to manage time, take independent action and analyze problems.
• Detail-oriented with high accuracy and security focus.
• DoD 8140/8570 Technician Level 2-3 certification within 6 months of hire.

Responsibilities

• Administer and maintain Active Directory environments, including users, groups, GPOs, and AGPM.
• Manage and configure AD CS, certificate templates, and certificate authorities.
• Ensure compliance with security standards and policies.
• Manage Windows Server environments including patching and updates.
• Troubleshoot complex system, application, and networking issues across distributed environments.
• Collaborate with vendors, customers, and internal stakeholders to design and implement technical solutions.
• Support IT operations including imaging, automation, and system configuration using MDT, WDS, PowerShell, and Ansible.
• Implement and maintain cybersecurity controls per ISSM and ISSO guidance.
• Support Linux server environments (RHEL, Rocky, CentOS, Ubuntu), including shell scripting and automation.
• Manage backup solutions.
• Support networking environments using Cisco technologies.

Skills

Communication

Critical thinking

Problem solving

Time management

Attention to detail

Teamwork

Security clearance eligibility

Education

Bachelor's degree in IT/CS/Cybersecurity

Master's degree preferred

Tools

PowerShell

Ansible

MDT

WDS

AD CS

Active Directory

DNS

DHCP

ADMT

Azure

Nutanix AHV

Job description

Kratos Defense & Rocket Support Services, Inc. is seeking a Senior Systems Administrator to manage complex Windows and Linux environments, implement cybersecurity controls, and ensure reliable, secure operations in a doD-regulated setting.

The role emphasizes AD, automation, and enterprise system management on-site at Crane, IN. The successful candidate will maintain AD, manage certificates, handle patching, and troubleshoot across distributed environments while collaborating with vendors and