• LINUX ADMINISTRATOR

Job Details

  • Job ID:
    81
  • Job Title:
    LINUX ADMINISTRATOR
  • Job City:
    Chantilly
  • Job Posting Date:
    May 14, 2021
Job Description

LINUX SERVER ADMINISTRATOR
 
Works under general supervision, and no instructions are needed for routine work.
Receives general instructions for special assignments.
Work is reviewed for sound technical judgment and overall adequacy.
Performs computing delivery system integration.
Provides problem resolution and technical support for delivery systems.
Administers user’s system access to meet security requirements.
Monitors system performance to support capacity planning, backup and disaster recovery planning.
Assists in the system integration, hardware and software installation, configuration and disposition of servers and workstations to support the architecture.
Provides support for the design, validation and implementation of changes to computing delivery systems.
Performs system monitoring and backup and restore procedures to ensure system and data availability.
Administers user’s system access to meet security requirements. Performs problem resolution as appropriate
 
Requirements & Skills Specific Requirements, Skills, Personal Characteristics, Licenses, Physical Abilities, etc.
EMPLOYMENT REQUIREMENTS:
U.S. Citizen
Active DoD Security Clearance, required (see Position Requirements for details)
Submit/Pass a 10-year background check, criminal history, drug screening, and fingerprints
Valid driver’s license/Real-ID with clean driver’s history
Self-starter with extremely strong work ethic. Excellent time-management and multitasking skills
Exceptional attention to detail and high level of accuracy required
Demonstrated problem solving and people skills
Ability to research, resolve and complete tasks within pre-determined deadlines and schedules
Able to process work quickly and accurately - dealing with interruptions, changing timelines and priorities on a regular basis
Must possess solid written and verbal communications skills
Must embrace technology to promote efficient operations
Strong command of Microsoft Office Suite including Outlook, Excel, and Word programs
Working knowledge of app/database ticketing systems.  Knowledge with ServiceNow, a plus
JOB SPECIFIC REQUIREMENTS AND SKILLS:
10+ years Linux Server Administration experience in an enterprise / classified environment
Active DoD Top-Secret security clearance due at hire.  SCI access (TS/SCI) will be submitted upon hire (if not already in possession) and requires passing a CI polygraph
IAT Level-2 Technical Certification (CompTIA Security+ or equivalent) required upon hire
Document policies and procedures. Ability to train new employees, as needed
Makes use of and applies job practices, techniques, standards, principles, theories, and concepts
Advanced administration level of Linux based operating systems, including Centos, Ubuntu and RedHat
Advanced level of skills in networking, server sizing and server capacity planning, security hardening, and OS installation
Advanced level of skills in Disaster Recovery and Business Continuity concepts
Advanced level of skills with database, web server, enterprise backup software administration
Advanced level of skills with Server vulnerability remediation
Advanced level of skills backup systems and capacity planning
Advanced level of skills for Hypervisors: VMware
Advanced level of skills for Networking: iSCSI, TCP/IP, DNS, DHCP, NFS, CIFS
Desired skill set for Docker containerization strategies
Desired skill set for Tools: McAfee ePO, NetBackup, Veeam, or similar backup technologies
Desired skill set for Monitoring: Nagios, Splunk, Sentinel
Desired skill set for Server OS: Linux RHEL 7.x, CentOS 7.x, Rock Clusters
Desired skill set for Patch Management: BigFix, Puppet, Yum
Desired skill set for Physical Servers: Cisco UCS, UCS Manager, Isilon cluster - NAS, NFS, CIFS
Desired skill set for Application: Matlab, Mathematica, ServiceNow, Netbackup, PBIS Likewise, FlexLM, Gitlab, Github
Desired skill set for Scripting: Bash, Shell, Python
Desired skill set for VMware: ESXi 6x (or two most recent versions)
Desired skill set for HP: C3000, C7000, HP Proliant, iLo
 
Responsibilities & Duties List the specific duties required of this job. List in order of importance. Complete sentences.
RESPONSIBILITIES AND DUTIES:
Provides solutions to a variety of technical problems of moderate scope and complexity.
Assists with the implementation of established security requirements.
Scripting in Bash, Python, Ansible languages.
Implements safeguards to protect information against accidental or unauthorized modification, destruction or disclosure to meet emergency data processing needs.
Implement, manage, and monitor information security reports and implement established security measures. Familiar with Nagios, Spectrum, and Dynatrace.
Installation of patches, kick-starting a new system, modifying security files, control files and data access and corrects errors.
Follows established procedures in the management of user system access to meet security requirements.
Assists with the implementation of hardware and software security measures for transmission and storage of information.
Performs system monitoring using approved tools and processes to validate system health.
Design of backup and restore procedures to ensure system and data availability.
Design of the delivery system to meet customer requirements.
System integration, hardware and software installation, configuration and disposition of servers to support the architecture specially Cisco hardware.
Assists in the validation of end-to-end system functionality through unit and integration testing.
Collects, maintains and reports IT infrastructure information across distributed systems and multiple support groups.
Updates system baseline information that describes computing systems and networks including all hardware and software components.
Assists in implementing system changes by using standardized methods and procedures for efficient and prompt handling of all changes to improve day-to-day operations.
Performs problem resolution as appropriate by using applicable computing processes. Assists others in complex problem resolution for delivery systems.
Documents resolutions/analyses according to support procedures.
Other duties as assigned.