Red Hat Enterprise Linux (RHEL) Administrator

San Diego, CA
May 16, 2017
Jun 14, 2017
Full Time
GDIT is looking for a Red Hat Enterprise Linux (RHEL) Administrator to provide system support for classified and unclassified Research, Development, Test, and Evaluation (RDT&E) network supporting a US Government Customer. The selected candidate will be the primary POC for the maintenance of the Linux core infrastructure for a CLASSIFIED network. The candidate will work closely with the RDT&E Core Services team and will have opportunities to cross train on Solaris virtual equipment.

Specific job duties include:

    RedHat Linux 6, 7 and Solaris 10, 11 system administration.Administration of virtualized server environments including Kernel-based Virtual Machine (KVM) and VMware vSphere/ESXiHardening servers and applications to DISA standards and Assured Compliance Assessment Solution (ACAS) scans and documenting variances from the guidelines when needed.Harden infrastructure resources in compliance with Defense Information Systems Agency (DISA) Security technical Implementation Guidelines (STIGs). Server hardening techniques include IPtables, Firewalld, SELinux, and SSH.Monitor infrastructure availability, performance by developing dashboards and automated alerts that reduce system downtime.Automation of system patch availability, configuration management, and compliance auditing using Red Hat Satellite server, Ansible, Puppet, and/or other automated CM products.Create documentation on current processes and newly engineered solutions.Mentor junior Linux admins and help desk personnel in troubleshooting techniques as well as professional procedures.
Keywords: IT, information technology, systems engineer, systems engineering, system, system, systems administrator, systems administration, sys admin, linux administrator, linux engineer, red hat, rhel, unix, vmware, vcp, puppet, chef, ansible, SD, san Diego, California, CA,

Education Bachelors Degree in Computer Science or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.

Qualifications Certifications (IAT Level II)

One of the following:

    Security+ CEGIAC Security Essentials Certification (GSEC)Security Certified Network Professional (SCNP)System Security Certified Practitioner (SSCP)
and one of the following:

    CompTIA Linux +LPIC-2 Advanced Level Linux ProfessionalLPIC-3 Senior Level Linux ProfessionalOracle Certified Expert –Oracle Solaris System Administrator (OCE-OSSA)Oracle Certified Expert –Oracle Solaris System Administrator (OCP-OSSA)Red Hat Cetified Datacenter Specialist (RHCDS)Red Hat Certified Engineer (RHCE)Red Hat Certified System Administrator (RHCSA)Sun Certified Network Administrator - Oracle Solaris (SCNA)Sun Certified Network Administrator - Oracle Solaris (SCSA)
Required Skills

    5+ years of experienceExperience with Red Hat Enterprise Linux (RHEL) administration
Desired Skills

    Strong knowledge with software and hardware RAID, Logical Volume Manager, Solaris LDOMs, Solaris Zones Experience provisioning and configuring Solaris virtual servers using logical domains and zonesStrong analytical and troubleshooting skills and experience performing root cause analysis. This includes troubleshooting any and all issues with system configurations, backups, files systems, and user access.Experience writing and managing scripts and utilities to automate day to day systems administration and configuration management tasks.Functional working knowledge in these areas: DNS(bind), Kerberos, LDAP, OpenSSL, Apache, email services(IMAP, SMTP).Strong programming skills in scripting languages (C, Bash, Ksh, Expect, Perl).Knowledge of ITIL processes and ITIL CertificationExperience with the IAVM process
  As a trusted systems integrator for more than 50 years, General Dynamics Information Technology provides information technology (IT), systems engineering, professional services and simulation and training to customers in the defense, federal civilian government, health, homeland security, intelligence, state and local government and commercial sectors.With approximately 32,000 professionals worldwide, the company delivers IT enterprise solutions, manages large-scale, mission-critical IT programs and provides mission support services.GDIT is an Equal Opportunity/Affirmative Action Employer - Minorities/Females/Protected Veterans/Individuals with Disabilities.