Mid-Level Systems Administrator

3 days ago


Herndon, Virginia, United States Leidos Full time
Job Summary

Leidos is seeking a highly skilled Mid-Level Systems Administrator to support the EAMS Program. The ideal candidate will join a small team and contribute to the smooth operation of multi-user computer systems.

Key Responsibilities
  • Maintain the integrity and security of computer systems, including coordination with network engineers.
  • Monitor and manage system resources, including CPU usage, disk usage, and response times to ensure optimal operating efficiency.
  • Perform systems security administration functions, including creating user profiles and accounts.
  • Provide Tier 3 problem identification, diagnosis, and resolution of problems.
  • Configure operating systems and maintain system documentation.
  • Tune system performance, install system-wide software, and allocate mass storage space.
  • Interact with users and evaluate vendor products.
  • Make recommendations to purchase hardware and software, coordinate installation, and provide backup recovery.
  • Develop and monitor policies and standards for allocation related to the use of computing resources.
Requirements
  • Bachelor's degree with 8+ years of relevant experience.
  • A minimum of 5 years of experience with systems administration, including Linux or CentOS.
  • Active and in-scope TS/SCI security clearance.
  • Polygraph required to begin work.
  • US Citizenship.
  • Experience writing scripts to monitor system services, resources, data mine logs, etc.
  • Writing SQL and PL/SQL to generate system data reports, modify data as necessary, etc.
  • Experience with Keytool and OpenSSL.
  • Familiarity with troubleshooting Java & Oracle applications.
  • XML Proficiency.
  • DoD 8570 Compliant holding current IAT level II baseline certification (Security+ CE, GICSP, SSCP, etc.).
  • Experience maintaining systems in cloud environments.
  • Experience working with Firewalls and AWS Security Groups.
Key Skills for Success
  • Ability to work in a team environment.
  • Ability to anticipate problems and take decisive action.
  • Experience maintaining applications built on a PostgreSQL or Oracle database.
Preferred Skills/Experience
  • Linux+ Certification.
  • Current RHCSA/RHCE certification.
  • Specific polygraph.
  • Microsoft MCSA.
  • VMware Certified Professional.
  • Knowledge of SQL Servers.


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