Senior Systems Administrator

2 months ago


Lorton, Virginia, United States Leidos Full time
Job Summary

Leidos is seeking a highly skilled Senior Systems Administrator to join our team in supporting the ESA V program in Lorton, VA. As a key member of our IT team, you will be responsible for providing expert-level system administration services to manage and maintain the equipment, networks, and web applications that support the field communications systems deployed by our customer.

Key Responsibilities
  • System Administration: Provide operations and maintenance (O&M) support for a mission-critical government system, including applying STIGs using the DISA SCAP or OpenSCAP tools, hardening servers using DISA STIG and other guidance as required, and creating Golden Images for future deployments.
  • Infrastructure Management: Independently and collaboratively provide O&M support for a mission-critical government system, requiring broad and deep knowledge across applicable technologies, including Dell PowerEdge R940 servers & iDRAC, VMWare vSphere & VMWare vCenter Server, Windows Server 2019 & later, Red Hat Enterprise Linux 8 & later, BigFix Patch Management, Active Directory (AD), AD Certificate Services, Internet Information Services (IIS), and Crowdstrike, Splunk, Qualys security tools.
  • Network and Systems Engineering: Design, implement, and configure systems infrastructure, including establishing goals and project plan objectives, developing solutions to technical issues on complex software and systems, and developing, configuring, and maintaining Active Directory (AD) structure to ensure high availability and data consistency for AD objects, users, groups, and organizational units.
  • Security and Compliance: Ensure that domain controller certificates remain current, CRLs are updated, certificates are revoked as needed, and that web services are available for certificate authority information access (AIA) and other services as required.
  • Communication and Collaboration: Work closely with customers and users to troubleshoot and resolve complex user issues, and effectively interface with customers to understand requirements, issues, and mission needs, and then translate them into actions.
Requirements
  • Education and Experience: Bachelor's degree with 8+ years of experience or a Master's degree with 6+ years of experience. High school diploma with 12+ years of experience may be considered in lieu of a degree.
  • Security Clearance: Candidate selected will be subject to a Government Public Trust security investigation and must meet eligibility requirements for access to the customer's information. US Citizenship is required. Current clearance is not required, but selected individual cannot start the assignment until the required security clearance is granted by the customer.
  • Technical Skills: Extensive experience configuring, designing, implementing, and troubleshooting with following technologies: Dell PowerEdge R940 servers & iDRAC, VMWare vSphere & VMWare vCenter Server, Windows Server 2019 & later, Red Hat Enterprise Linux 8 & later, BigFix Patch Management, Active Directory (AD), AD Certificate Services, Internet Information Services (IIS), Crowdstrike, Splunk, Qualys security tools, Configuration management process, Apache httpd, PHP 8 & MariaDB Enterprise implementations.
  • Soft Skills: Excellent communication skills, excellent teamwork skills, and ability to work and brief customers to include senior management.
Desired Qualifications
  • RHEL Experience: RHEL experience with certification.
  • Security Engineering Experience: Security engineering experience.
  • Business Analysis/Requirements Development Experience: Business analysis/requirements development experience.
  • Technical Writing and Documentation Experience: Technical writing and documentation experience.
  • Government Contracting Experience: Government contracting experience, particularly with the DOJ.
  • DOJ Clearance: DOJ clearance.


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