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Infrastructure Systems Engineer

2 months ago

Bethesda, Maryland, United States Leidos Holding Full time
Job Description

We are seeking a highly skilled Infrastructure Systems Engineer to join our dynamic IT team at Leidos Holding. The ideal candidate will be responsible for designing, implementing, and maintaining complex infrastructure systems, including VMware, Linux, Microsoft servers, Microsoft domains, various storage systems, Microsoft databases, Nvidia GPUs, and Cisco networks.

Key Responsibilities
  • Design, deploy, and manage VMware environments.
  • Perform routine maintenance and updates to ensure optimal performance.
  • Troubleshoot and resolve issues related to virtualization.
  • Install, configure, and maintain Linux servers.
  • Ensure system security, performance tuning, and backups.
  • Automate tasks using scripting languages such as Bash, Python, or Perl.
  • Manage Microsoft Windows servers and Active Directory domains.
  • Implement and maintain Group Policies, DNS, DHCP, and other domain services.
  • Ensure compliance with security policies and best practices.
  • Administer and optimize various storage systems (e.g., SAN, NAS).
  • Perform storage provisioning, monitoring, and troubleshooting.
  • Ensure data integrity and availability through regular backups and disaster recovery planning.
  • Install, configure, and manage Microsoft SQL Server databases.
  • Perform routine database maintenance, backups, and recovery.
  • Optimize database performance and troubleshoot issues.
  • Configure and manage Nvidia GPUs in server environments.
  • Ensure proper integration with applications and systems requiring GPU resources.
  • Monitor and optimize GPU performance.
  • Design, deploy, and manage Cisco network infrastructure.
  • Implement network security measures and monitor for vulnerabilities.
  • Troubleshoot and resolve network issues.
  • Provide 3rd level support for all infrastructure-related issues.
  • Collaborate with other IT teams to ensure seamless integration of systems.
  • Document infrastructure configurations, procedures, and best practices.
Requirements
  • Bachelor's degree and 8 years of relevant experience, or additional years of experience may be considered in lieu of a degree.
  • Minimum of 8 years of experience in infrastructure systems engineering.
  • Extensive experience with VMware, Linux, and Microsoft server environments.
  • Strong knowledge of Microsoft Active Directory, Group Policies, and domain services.
  • Hands-on experience with various storage systems (SAN/NAS).
  • Proficiency in managing Microsoft SQL Server databases.
  • Experience with Nvidia GPUs in a server context.
  • In-depth knowledge of Cisco network technologies.
  • Excellent problem-solving and troubleshooting skills.
  • Strong communication and teamwork abilities.
  • Ability to work independently and manage multiple priorities.
Certification Requirement

Candidate must, at a minimum, meet DoD IAT Level II certification requirements (currently Security+ CE, CCNA-Security, GSEC, or SSCP along with an appropriate computing environment (CE) certification).

Clearance Required

Active/current TS/SCI clearance with Polygraph required OR active TS/SCI and willingness to get a Poly.

Preferred Qualifications
  • Relevant certifications (e.g., VCP, RHCE, MCSE, CCNP) are highly desirable.
  • Experience with Configuration Management (Chef, Puppet, Ansible, Salt) and IaC tools such as terraform.
  • Experience with scripting languages such as bash, python3, and PowerShell.
  • Experience with CI/CD tools Jenkins, Nexus, Docker/container, gitlab/github.
  • Familiarity with DevOps practices and tools (CI/CD pipelines, Docker, Kubernetes).
  • Experience with Windows Systems Administration and troubleshooting Active Directory.
  • Experience establishing large computer end-point environments (> 1,000 end-points).
  • Experience maintaining AI/ML environments (NVIDIA hardware and software).
  • Experience maintaining large data (Petabyte) environments and storage solutions.
  • Experience working in an air-gapped/not-connected-to-the-internet environment.
  • Knowledge of IT security best practices and frameworks.