System Administrator

Leidos, Inc.
San Antonio, United States of America
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Compensation
$ 107K

Job location

San Antonio, United States of America

Tech stack

Microsoft Windows
Software Applications
Computer Security
Computer Networks
System Configuration
Data as a Services
Software Debugging
Linux
DNS
VMware ESX Servers
Networking Hardware
IPv4
IPv6
Subnetting
Virtual Private Networks (VPN)
OSI Models
Linux Servers
Microsoft Software
System Center Configuration Manager
Windows Server
MySQL
Red Hat Enterprise Linux - RHEL
SQL Databases
Virtual Local Area Networks
vSphere
Wide Area Networks
Network Routers
Scripting (Bash/Python/Go/Ruby)
Computer Network Operations
Firewalls (Computer Science)
Juniper
Selinux
Vcenter
Cisco networks
VMware

Job description

The Digital Modernization Sector within Leidos is seeking a System Administrator to support the DoD Mobility Classified Capability (DMCC) program as part of GSM-O II in San Antonio, TX.

We're seeking a candidate experienced with Windows server or Linux server operations, sustainment, and management activities to help ensure secure, reliable, and uninterrupted availability of the DoD's secure mobile device capability service. You'll work as part of a Network Operations team responsible for managing an infrastructure comprised of a variety of servers, network appliances, and applications supporting voice and data services.

If this sounds like the kind of environment where you can thrive, keep reading!, * Monitor and maintain an enterprise services environment consisting of Windows servers, Red Hat Enterprise Linux servers, and network appliances.

  • Assist mission partners with mobile device VPN connectivity debugging, user account and device management, and troubleshooting system/service access issues.
  • Perform configuration updates and maintenance activities to patch, secure, and maintain systems.
  • Respond to, and help analyze, issues that degrade system or network performance to minimize downtime.
  • Address moderately complex technical issues using internal SOPs and collaboration with team members.
  • Help create and update documentation for common issues and processes to contribute to the team's knowledge base.
  • Provide input on ways to optimize processes and improve the efficiency of the environment.
  • Support occasional after hours maintenance and be available for 2-hour onsite call back support for critical issues.

Requirements

  • Bachelor's degree and 2 years of related experience or Master's degree with less than 2 years of related experience. Additional experience, education and training may be considered in lieu of degree.
  • Active DoD SECRET clearance.
  • DoD-8570 IAT Level 2 certification (Security+ CE) within 6 months of hire date.
  • Experience troubleshooting issues with software applications, networking, Windows OS or Linux OS.
  • Experience performing system administration tasks - installing, maintaining, monitoring, recovering, rebuilding, upgrading, patching.
  • Experience researching technical solutions beyond internal SOPs.
  • Willingness to work with multiple technologies and be open to learning new technologies.
  • Motivated self-starter with strong work ethic and ability to work with minimal supervision in the fulfillment of daily operations and sustainment activities.
  • Ability to demonstrate good judgement, professionalism, and communicate clearly (verbal and written).
  • Strong problem solving, critical thinking, and analytical skills.

Desired Qualifications (not required, but a huge plus):

  • Experience configuring and maintaining network devices - switches, routers, firewalls, VPNs.
  • Experience with scripting or automation tools.
  • Experience with VMWare - ESX/ESXi, vCenter, vSphere.
  • Experience with AD, SCCM, SQL, MySQL, SELinux, DNS.
  • Knowledge of networking concepts such as OSI Model, LAN/WAN, IPv4/IPv6, subnetting and VLANs.
  • Experience maintaining systems and services in an air-gapped environment.
  • Knowledge of security policies such as DISA STIGS and general vulnerabilities management.
  • Certifications with major system vendors such as Microsoft, Red Hat, VMware, Cisco, Juniper, or Aruba.

Benefits & conditions

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

About the company

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

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