Senior Linux Systems Administrator — Cloud & Automation

Leidos Inc; Alexandria (VA); On-site; USD 116,350 - 210,325; Full time

Benefits offered by this job

Health benefits

Paid leave

Retirement plans

Job summary

Leidos seeks a Senior Linux Systems Administrator to support USCG cloud modernization in Alexandria, VA. You will manage mission-critical RHEL and Windows systems across AWS and Azure, instrument automation with UiPath, and ensure security, high availability, and RMF/STIG compliance.

You will work with cloud engineers, cybersecurity professionals, and program leadership to optimize performance, capacity, and resilience while delivering mission value in a fast-paced federal environment.

Qualifications

• Bachelor’s degree required or equivalent work experience in computer science, information systems, or related field.
• 12+ years of experience in cloud infrastructure engineering or Masters with 10+ years of prior relevant experience.
• Minimum 5+ years of administration experience with cloud-based applications (MS O365, SharePoint, Azure AD, AWS).
• Certifications such as AWS SysOps Administrator or Azure Administrator are desirable.

Responsibilities

• Administer, patch, and harden Red Hat Enterprise Linux (RHEL) / CentOS / Ubuntu servers supporting mission-critical applications.
• Install, configure, and maintain UiPath Orchestrator and supporting services on Linux hosts, including integration with load balancers, reverse proxies, and databases (PostgreSQL/MSSQL).
• Manage system performance, capacity planning, and troubleshooting for automation infrastructure.
• Set up virtual machines, storage, networks, and other cloud services on platforms in AWS and Azure.
• Use tools to track system health, uptime, and resource usage, ensuring optimal performance.
• Implement access controls, encryption, and security policies to protect data and meet regulatory requirements.
• Diagnosing and resolving issues related to cloud services, connectivity, or performance.
• Write scripts (e.g., Bash, PowerShell, Python) to automate backups, updates, and deployments.
• Automate provisioning, configuration management, and patching using Ansible, Puppet, or similar tools.
• Implement and maintain security controls in accordance with STIGs, RMF, or applicable frameworks.
• Support high-availability, clustering, and disaster recovery configurations.
• Collaborate with RPA developers, DevOps, and network teams to ensure seamless automation pipeline operations.
• Manage user access, certificates, and secure service accounts.
• Support cross-functional coordination across engineering, cybersecurity, and program management teams.
• Promote continuous improvement through feedback loops and process refinement.
• Ensure alignment with USCG mission priorities and Leidos delivery standards.

Skills

RHEL

Windows Server

UiPath

Cloud Infrastructure

PowerShell

Bash

Python

Terraform

Ansible

Docker

Kubernetes

AWS

Azure

STIGs/CIS

Public Trust/DoD clearance

Education

Bachelor's degree in Computer Science or related field

Masters with 10+ years of relevant experience

Tools

UiPath

CloudWatch

Datadog

Prometheus

Terraform

Ansible

Docker

Kubernetes

AWS

Azure

Job description

Leidos seeks a Senior Linux Systems Administrator to support USCG cloud modernization in Alexandria, VA. You will manage mission-critical RHEL and Windows systems across AWS and Azure, instrument automation with UiPath, and ensure security, high availability, and RMF/STIG compliance.

You will work with cloud engineers, cybersecurity professionals, and program leadership to optimize performance, capacity, and resilience while delivering mission value in a fast-paced federal environment.