LINUX Systems Administrator

San Antonio, TX, United States

Basic Qualifications

Bachelor's degree in a specialized area; or equivalent is required plus a minimum of 8 years of relevant experience; or Master's degree plus a minimum of 6 years of relevant experience.

Applicants must meet DoD 8570.1 certification requirements for IAT-II or higher

Must be able to travel up to 15% of the time, scheduled and unscheduled with short notice

Clearance Requirements:

This position requires a minimum of an active TS/SCI security clearance. Must be willing and able to obtain a polygraph within a reasonable amount of time after hire, with acceptable timing determined by manager. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is mandatory.

Responsibilities for this Position

A Relocation package may be available for this position.

Do you want to be a part of a Linux System Administration team supporting our Nation's Cyber initiatives in San Antonio, TX?  If so, General Dynamics Mission Systems (GDMS) wants to speak with you.  Our ideal candidate is an experienced Linux Systems Administrator who thrives in fast-paced ever-changing environments, enjoys multitasking, and can work independently or as part of a project team. Reporting to the System Administrator Team Lead, this position will be a key member of our team and responsible for the maintenance and administration of Linux systems and network infrastructure.

Your responsibilities may include:

Managing all aspects of exchange server, services, back-ups and restore

Support and perform defined tasks in a VMware virtual environment.

Windows command level administration

Command level troubleshooting of OS and associated hardware/software

Managing and maintaining core and system wide backups

Performing, restoring, or rebuilding of MS OS based systems, files and associated applications

Managing system wide patching as needed or as required

Providing on-site technical solutions

Installing, moving and or break-down systems

Providing detailed technical solutions

Creating, modifying, and removing user accounts

Command level Microsoft Windows troubleshooting

Red Hat LINUX command line administration

Troubleshooting of associated hardware/software

Create, track and resolve helpdesk action items

Maintain the security and stability of cross domain enterprise level solutions

Build, install, move and or break-down systems on-site or remotely

Create detailed technical reports and metrics

Interact with customers and support personnel at off-site data centers

Command level Database troubleshooting, including SQLite

Must be able to perform scheduled and unscheduled fly-away support

The successful candidate will have experience with many of the following:

Build, configure, administer and troubleshoot Linux (and Windows) servers and user workstation hardware and software

Design and implement workgroup-scale networks; build and manage authentication, file-share, and other collaboration servers to support groups of heterogeneous client systems

Strong understanding of infrastructure technologies and functionalities (e.g., firewalls, Windows/Linux servers, Active Directory (AD), Splunk, SolarWinds, etc.)

Extensive experience working with Red Hat Enterprise Linux 6.X or 7.X, with a strong experience with handling files, directories and command-line interface (CLI) skillset

Experience with Linux security, SSL/TLS, certificates, encryption, key stores, firewalls, management of PAM authentication, configuring system auditing and configuring SELinux

Experience with centralized authentication technologies such as LDAP and Active Directory domains in supporting (Linux/Windows) cross-platform clients is desirable

Familiarity with the DIACAP and/or ML accreditation processes, specifically with configuring Linux systems in compliance with the Security Technical Implementation Guides (STIGs)

MS Windows system administration experience, including: Active directory experience in Server 2008R2/2012R2/2016 and WSUS management

Experience with operating systems, including booting into different run levels, identifying processes, starting and stopping virtual machines, and controlling services

Experience with configuring local storage using partitions and logical volumes

Experience with file systems and file system attributes, such as permissions, encryption, access control lists, and network file systems

Ability to deploy, configure, and maintain systems, including software installation, updates, and core services

Ability to troubleshoot issues and suggest resource monitoring options

Must be a self-starter and have the ability to think outside of the box to design effective solutions

Must have excellent verbal and written communication skills as this position will interact with senior-level executives

Document and electronically store daily task information, architecture, processes, and user instructions

Experience with CEPH Cluster Administration is desired

Company Overview

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation.  With a global team of 13,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas.  Given the nature of our work and who we are, we value trust, honesty, alignment and transparency.  We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose.  You will also enjoy a flexible work environment where contributions are recognized and rewarded.  If who we are and what we do resonates with you, we invite you to join our high performance team!

General Dynamics is an Equal Opportunity/Affirmative Action Employer that is committed to hiring a diverse and talented workforce. EOE/Disability/Veteran