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At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

Your greatest work is ahead!

Leidos’ Defense Systems Land Systems is seeking a Cloud System Administrator to join our team…with the ability and experience to work missile defense projects within the BMD Simulations and Analysis Portfolio. As a Cloud System Administrator, you’ll support architecting, deploying, and optimizing cloud infrastructures. In this role, you’ll directly support the mission critical projects and Test and Integration Team, all cloud environments, both classified and unclassified, that are a part of the overall infrastructure footprint. The ideal candidate will possess excellent communication and reporting skills, be a strong team player, and able to establish solid working relationships with the Customer, Program Management and technical staff members within the program.

If this sounds like the kind of environment where you can thrive, keep reading!

Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, click here!

Are you ready to make an impact? Share your resume with us today!

Primary Responsibilities

Manage and maintain Linux-based system and cloud infrastructure across development, test and production environmentsApply system patches, manage compliance updates, and maintain system accreditation documentationManage user accounts, system health, and security posture across multiple isolated environmentsTroubleshoot and resolve issues related to virtual machines, operating systems, and custom softwareEscalate and track blocking issues and impediments to progress, coordinate with leadership help to remove as needed Coordinate with technical and program leadership to refine the cloud infrastructure and drive improvements

Basic Qualifications

Bachelor’s degree from an accredited institution in Computer Science, Information Technology or Management Information Systems with 12-15 years of prior relevant experience or Masters with 10-13 years of prior relevant experience3+ Years’ experience with Linux Operating System Administration (i.e., RHEL8, etc.)

       Experience in the following:

Establishing a Cloud InfrastructureMaintaining a Cloud infrastructureOne or more of the following: Infrastructure as Code (IaC) using Ansible or similar technologyOne or more of the following: Using Azure/AWS or similar technologyOne or more of the following: Linux Servers, DNS servers, Domain controllers, network storage devices and HP or Dell serversDesigning, configuring, and installing information systems such as routers, servers, switches, storage systems and laptops.Demonstrated interpersonal skillsSecurity+ Certification or able to obtain within 90 days of start.Must be a US citizen, possess and maintain a DoD Secret clearance This is a full-time onsite support roleMust be a resident of the North Alabama area

Preferred Qualifications

Experience with RHEL 8Experience with RHEL 9Experience deploying the complete DevSecOps lifecycle including integration of build pipelines, automated deployments, and compliance scanning using test driven development.Experience with vulnerability remediation and security management (system hardening, log management, configuration management (i.e., Nessus, McAfee, WSUS, Splunk, ACAS, SCAP, HBSS, etc.))Experience with Virtualization (i.e., VMware, Horizon, vSphere, vCenter, vSAN)Experience with Risk Management Framework (RMF) Requirements and Security Technical Implementation Guide (STIG) ImplementationExperience in deployment, automated deployments, and compliance scanning using test driven development.Experience with issue tracking tools such as Gitlab/Jira/Agility.Relevant DoD and/or Industry work experience in Missile Defense

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:September 16, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $112,450.00 - $203,275.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.