Senior Linux Systems Admin; UiPath

Description

Join us in transforming technology that serves those who serve.

At Leidos, we pioneer defense and intelligence technology, building sustainable solutions for revolutionary impact.

Our Digital Modernization sector leads new technology in cyber defense, logistics, security operations, and decision intelligence, delivering mission‑critical systems that secure the nation.

The Digital Modernization Sector at Leidos is seeking a Senior Linux Systems Administrator to support cloud modernization initiatives for the United States Coast Guard (USCG) at Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5

ISC) in Alexandria, VA. This role is part of a high‑impact program focused on delivering secure, scalable cloud solutions that enable operational agility and resilience across the USCG enterprise. As a Senior Linux Systems Administrator, you’ll be responsible for managing and optimizing mission‑critical systems across Red Hat Enterprise Linux (RHEL) and Windows platforms in AWS and Azure environments. This role is essential to maintain operational integrity, security compliance, and performance across hybrid cloud deployments.

You’ll work closely with cloud engineers, cybersecurity analysts, and program leadership to drive continuous improvement and deliver value to the mission.

• 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., in Bash, Power Shell, or Python) to automate repetitive tasks like 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 compliance frameworks.
• Support high‑availability, clustering, and disaster recovery configurations.
• Collaborate with RPA developers, Dev Ops, 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.

• Bachelor’s degree in a related field (e.g., Computer Science, Information Systems, Business).
• 12+ years of experience in cloud infrastructure engineering or Masters with 10+ years of prior relevant experience. May possess a Doctorate in a technical domain. Experience may be considered in lieu of a degree.
• Minimum 5+ years of administration experience with cloud‑based applications (MS O365, SharePoint, Azure AD, AWS).
• Experience with UiPath is a strong need.
• Strong hands‑on experience with RHEL and Windows Server environments.
• Strong understanding of cloud architecture and services.
• Scripting skills in Power Shell, Bash, or Python.
• Familiarity with security hardening standards (e.g., DISA STIGs, CIS benchmarks).
• Experience working with UiPath systems is a big plus.
• Experience managing systems in AWS and/or Azure cloud platforms.
• Experience with monitoring tools like Cloud Watch, Datadog, and Prometheus.
• Experience with automation tools like Terraform or Ansible.
• Experience with virtualization and containerization (e.g., Docker, Kubernetes).
• Familiarity with cloud networking, storage, and backup solutions.
• Excellent facilitation, communication, and…