Linux Server Systems Administrator

Leidos•Bethesda, MD

6d•$92,300 - $166,850•Onsite

About The Position

Leidos is seeking a Linux Server Systems Administrator to support the National Digital Exploitation & OSINT Center (NDOC). The role administers Linux servers in physical and virtual environments and interacts with administrators to address service inquiries and problems. It examines customer issues, implements corrective actions to repair or restore service, analyzes recurring problems to prevent reoccurrence, and reviews infrastructure for performance and tuning opportunities. Duties may include software configuration, rebooting, and other remedial actions on customer servers. This is a 100% on-site position at the customer site in Bethesda, at the Intelligence Community Campus. The position supports a dynamic, fast-paced customer environment and may require after-hours on-call support during outages or shift work. It also updates operations and monitoring documentation for 24/7/365 Operations Watch personnel.

Requirements

Bachelor’s degree and 8+ years of relevant experience; additional years of relevant experience may be considered in lieu of a degree.
System security engineering expertise in one or more areas, including security design, engineering life cycle, information domains, cross-domain solutions, cryptography, identification, authentication and authorization, system integration, risk management, intrusion detection, contingency planning, incident handling, configuration control, change management, auditing, certification and accreditation, information assurance principles, and security testing.
Expertise across multiple complex work assignments, including originality and innovation in determining how to accomplish tasks.
Background in Linux or UNIX server setup, deployment, and maintenance.
Experience using Red Hat Satellite Server and/or Spacewalk for patching and system management.
Experience hardening Linux environments.
Experience administering server operating systems such as Linux (RHEL, Rocky Linux, Oracle Linux, or Ubuntu).
Familiarity with supporting virtual desktops running Microsoft Windows.
Experience with configuration management tools such as Ansible, Salt, Puppet, or Chef.
Experience with scripting or automation using Linux shell scripts, PowerShell, PowerCLI, or other scripting languages.
Experience troubleshooting issues in a growing environment.
Experience reviewing logs, analyzing incidents, and identifying issue trends.
Experience with server patch-management methodologies.
Time-management skills and ability to work independently within an IT service management or ticketing system.
Ability to triage and properly classify incidents and prioritize work accordingly.
Strong oral and written communication skills.
Experience establishing goals and plans that meet project objectives.
Track record of working effectively within a team and supporting peers to improve processes and results.
Ability to work independently to develop solutions to technical problems.
Linux-related certification, such as Red Hat Certified System Administrator (RHCSA).
At minimum, meet DoDM 8140.03 (previously DoD 8570) IT System Administrator Intermediate certification requirements: Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher.
Active TS/SCI clearance with polygraph, or active TS/SCI clearance and willingness to obtain a polygraph.
U.S. citizenship is required due to the nature of the government contracts supported.

Nice To Haves

Knowledge of AWS or Azure cloud services and the cloud ecosystem.
Experience operating and maintaining systems in a Windows environment.
VMware certification, such as VCA or VCP.
Experience with SAN or network storage setup and administration.
Experience working in an Agile environment.
Experience troubleshooting in a security environment.
Experience with backup and restore procedures.

Responsibilities

Provide technical support, administration, and monitoring of Linux systems in physical and virtual environments.
Support the implementation, troubleshooting, and maintenance of IT systems, distinguishing isolated user problems from enterprise-wide application or system problems.
Support operations, maintenance, and troubleshooting for end-user workstations, including desktop applications.
Coordinate with customers and stakeholders to collect data, conduct analysis, and develop and implement solutions for incident tickets and requirements.
Identify opportunities for continuous improvement to support effective and efficient operations.
Develop solutions to complex technical issues.
Provide follow-up reports documenting technical findings, feedback, and resolution steps for root-cause analysis, engineering technical assessment, and process-improvement initiatives.
Support customer requirements in a dynamic, fast-paced environment, including on-call support during after-hours outages and potentially shift work.
Update operations and monitoring documentation for 24/7/365 Operations Watch personnel.
Examine customer problems and implement corrective actions to initiate repairs or restore service.
Analyze recurring problems and initiate solutions to prevent reoccurrence; analyze infrastructure for tuning and performance improvements.
Perform technical software configuration, server reboots, and other remedial actions on customer servers as needed.
Perform systems requirements, functional, and timeline analysis; trade studies; requirements allocation and interface definition; technical management; integration; systems testing; and quality assurance.