Linux Server Admin

Employer
DISYS
Location
Chantilly, VA
Posted
Jun 09, 2021
Closes
Jun 11, 2021
Ref
2038400154
Hours
Full Time
The ideal candidate is familiar with the implementation and best practices for managing enterprise Linux systems in a classified environment. The candidate is familiar with system security hardening and can implement system management methods to ensure the successful accreditation and sustainment of classified networks and systems. Requirements Specific Requirements, Skills, Personal Characteristics, Licenses, Physical Abilities, etc. OVERALL REQUIREMENTS: US Citizen Submit/Pass a 10-year Dept. of Defense background check, criminal history, drug screening, and fingerprints Valid driver's license/Real-ID with clean driver's history Applicant must have a strong work ethic, be extremely organized and detail-oriented, be a self-starter with excellent time-management, problem solving, and multitasking skills Applicant must have excellent front-facing / face-to-face customer service skills Minimum 1 year of customer service experience (call center, retail, or other customer facing role) Problem solving skills from active listening and educating customers through resolution and a set of expectations Excellent communication skills (in English), both verbal and written, to articulate details in a professional manager Position may require ability to sit, stand, walk extended distances, bend, stoop, squat and lift to 35 lbs. from the floor to desktop for extended periods of time Experience with a ticketing system like ServiceNow a plus JOB SPECIFIC REQUIREMENTS AND SKILLS: 10+ years Linux Server Administration experience in an enterprise / classified environment Position requires active DoD Top-Secret security clearance with SCI access (TS/SCI). Candidate will need (at minimum) an active Secret-level and will be submitted for Top-Secret clearance upon hire. SCI access (TS/SCI) will be processed after onboarding. Candidate must be able to obtain and maintain all the above. IAT Level-2 Technical Certification (CompTIA Security+ or equivalent), required within 90 days of 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 Expert administration level of Linux based operating systems, including Centos, Ubuntu and RedHat Expert level of skills in networking, server sizing and server capacity planning, security hardening, and OS installation Expert level of skills in Disaster Recovery and Business Continuity concepts Expert level of skills with database, web server, enterprise backup software administration Expert level of skills with Server vulnerability remediation Expert level of skills backup systems and capacity planning Expert level of skills for Hypervisors: VMware Expert 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. Job Requirements: Digital Intelligence Systems, LLC. is an Equal Opportunity Employer, M/F/D/V. We do not discriminate against any employee or applicant because they inquired about, discussed, or disclosed compensation. Email recruitinghelp @ disys.com to contact us if you are an individual with a disability and require accommodation in the application process.

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