Senior Systems Engineer – DoD IT & Cloud Ops

Leidos Inc; Oklahoma City (OK); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos Defense Sector is seeking a Senior Systems Engineer to support an Air Force Life Cycle Management Center program. You will help deploy and secure Linux/Windows servers, manage configurations, patches, and daily operations to ensure mission readiness.

You will work with cross-functional teams on-site, mentor junior engineers, and coordinate with government network owners. A TS/SCI clearance and DoD certifications are preferred; travel to customer sites will be required.

Qualifications

• US citizen with ability to obtain TS/SCI clearance.
• Bachelor's degree with 8+ years or Master's with 6+ years experience.
• DoD 8140 intermediate certification or DoD 8570 IAM Level II or higher.
• Experience with Active Directory/LDAP directories.
• Strong cloud experience (AWS and Azure).
• Linux and Windows server administration with networking.
• Strong problem-solving and analytical Skills.
• Effective communicator and team collaborator.

Responsibilities

• Travel to customer sites for hardware installation and configuration.
• Install, configure, and maintain Linux/Windows servers.
• Monitor performance, tune systems, and troubleshoot for high availability.
• Manage patches, upgrades, and security hardening per DoD policies.
• Support backups, disaster recovery, and data integrity.
• Assist in managing system access and security configurations.
• Collaborate with IT teams on deployments and integration.
• Maintain up-to-date system documentation.
• Participate in incident response and performance/security improvements.
• Mentor junior and mid-level engineers and administrators.

Skills

Active Directory

LDAP

Cloud (AWS/Azure)

Linux

Windows Server

Networking

PowerShell

Python

Troubleshooting

Education

Bachelor's degree

Master's degree

Tools

RHCSA

RHCE

CompTIA Linux+

MCSA

MCSE

ServiceNow

Jira Service Management

Job description

Leidos Defense Sector is seeking a Senior Systems Engineer to support an Air Force Life Cycle Management Center program. You will help deploy and secure Linux/Windows servers, manage configurations, patches, and daily operations to ensure mission readiness.

You will work with cross-functional teams on-site, mentor junior engineers, and coordinate with government network owners. A TS/SCI clearance and DoD certifications are preferred; travel to customer sites will be required.