Multi-Cloud Systems Administrator

Leidos is seeking an experienced Multi-Cloud Systems Administrator to join our growing team.  The successful candidate will be a seasoned professional with robust experience and proficiency in managing Windows and Linux servers within a multi-cloud environment. You will play a vital role in engineering solutions and maintaining compute and storage infrastructures, delivering efficiency through automation, and ensuring scalability, flexibility, and compliance.

Specifically, in this role you will be responsible for:

• Systems Administration:

  • System administration tasks for Windows Server 2022 and RHEL 8 including regular platform upgrades, vulnerability management, troubleshooting, automation with native scripting languages, performance management, application inventory and administration, and compliance to regulatory baselines.

  • Development and execution of deployments using infrastructure-as-code and usage of DevOps pipelines to operate cloud-native services and deployments.

  • Administer the lifecycle of SSL certificates and associated infrastructure and domains.

  • Manage and test data backups and disaster recovery policies.
     

• Active Directory:

  • Manage human and system identity lifecycles including onboarding, offboarding, role management, just-in-time privilege escalation, and regular access reviews.

  • Implement, update, and regulate group policy and identities in Active Directory and Azure EntraID in conjunction with the Enterprise Access Model.
     

• Network Infrastructure:

  • Implement highly available network architectures and manage network security and network routing in a hybrid-cloud environment.

  • Manage IP based access rules, network address sourcing, and CIDR whitelists/blacklists.
     

• Collaboration:

  • Communicate effectively and promptly with DevSecOps teams to implement appropriate cloud-native solutions and maintain accurate and up-to-date documentation of the system and network infrastructure including diagrams, configuration details, and operational procedures.

  • Participate in in-house training programs to foster and spread knowledge and awareness to project teams, promote and empower decision making, and manage incident reports.

  • Identify and implement cost-saving improvements and operational efficiencies over the lifespan of projects and resources.

Basic Qualifications:

• Bachelor’s degree (or equivalent) in Computer Science or similar field and 4+ years experience in managing compute environments.

• Proficiency in both Windows Server and Linux Server operating systems and application management.

• Demonstrated understanding of cybersecurity and server hardening concepts.

• Proficiency with administering network architectures and concepts such as DNS, VPN, DHCP, TLS, IP subnetting and routing.

• Demonstrated ability to automate infrastructure tasks.

• Demonstrated ability to independently isolate and resolve problems.

• Self-starter that can work independently while possessing the communication skills to work effectively with software development teams and customers.

• Excellent interpersonal, verbal, and written communication skills.

• Demonstrated commitment to continuous learning and professional development.

• Must be a US Citizen and able to obtain public trust clearance.

Preferred Qualifications:

• Master’s degree in Computer Science or similar field.

• Cloud or security related certifications such as Azure Solutions Architect Expert, AWS Solutions Architect Professional, and Certified Information System Security Professional.

• Demonstrated experience with Microsoft Intune, Azure Policy, or Azure EntraID.

Please note the salary for this position will be approximately $100,000-$105,000.

In 2025, Leidos was ranked as one of the “World's Most Ethical Companies” by the Ethisphere Institute for the eight consecutive year.

Original Posting:

May 2, 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 $72,150.00 - $130,425.00

The Leidos pay range for this job level