Linux Server Systems Administrator

Leidos•Bethesda, MD

3d•Onsite

About The Position

Leidos is hiring 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 respond to service inquiries and problems. It examines customer issues, implements corrective actions to restore service, analyzes recurring problems to prevent reoccurrence, and assesses infrastructure for tuning and performance improvements. The administrator may perform software configuration, server reboots, and other remedial actions. This is a 100% on-site position at the customer site in Bethesda, at the Intelligence Community Campus. The role supports Linux systems and end-user workstations, works with customers and stakeholders on incident tickets and requirements, and develops solutions to complex technical issues. It includes on-call support for after-hours outages, which may involve shift work, and updating operational and monitoring documentation for 24/7/365 Operations Watch personnel. The position requires an active TS/SCI clearance with polygraph, or an active TS/SCI clearance and willingness to obtain a polygraph. U.S. citizenship is required due to the nature of the government contracts supported.

Requirements

Bachelor’s degree and 8 or more years of relevant experience; additional relevant experience may be considered in lieu of a degree.
System security engineering expertise in one or more of the following: system security design process; engineering life cycle; information domain; cross-domain solutions; commercial or government off-the-shelf 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; or security testing.
Expertise applied across multiple complex assignments, including assignments requiring originality and innovation.
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 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 through Linux shell scripts, PowerShell, PowerCLI, or other scripting languages.
Experience troubleshooting issues in a growing environment.
Experience with log reviews, incident analysis, 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 classify incidents appropriately and prioritize work efforts.
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.
Certification relating to Linux, such as Red Hat Certified System Administrator (RHCSA).
At minimum, meet DoDM 8140.03 (previously DoD 8570) IT System Administrator Intermediate certification requirements, such as 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.

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 implementation, troubleshooting, and maintenance of IT systems.
Distinguish isolated user problems from enterprise-wide application or system problems.
Support operations, maintenance, and troubleshooting for end-user workstations and desktop applications.
Coordinate with customers and stakeholders to collect data, conduct analysis, and develop and implement solutions for incident tickets and requirements.
Seek opportunities for continuous improvement to support effective and efficient operations.
Develop solutions to complex technical issues.
Provide follow-up reports describing 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.
Provide on-call support during after-hours outages, potentially involving shift work.
Update operations and monitoring documentation for 24/7/365 Operations Watch personnel.
Examine customer problems and implement corrective actions to initiate repair or return to service.
Analyze recurring problems and initiate solutions to prevent recurrence.
Analyze existing infrastructure for tuning and performance improvements.
Perform technical software configuration, server reboots, and other remedial actions as needed.
Perform systems requirements analysis, functional analysis, timeline analysis, trade studies, requirements allocation and interface definition, technical management, integration, system testing, and quality assurance.