UNIX/Linux OS Administrator

General Dynamics Information Technology; Omaha (NE); On-site; USD 113,000 - 121,000; Full time

Benefits offered by this job

Health benefits

401K match

Education assistance

Flexible schedule

Career mobility

Recognition programs

Collaborative culture

Job summary

General Dynamics Information Technology is seeking a UNIX/Linux OS Administrator to support DoD mission systems at Offutt AFB, NE. The role requires Top Secret with SCI eligibility and 3+ years of IT/DoD configuration management experience.

You will perform enterprise Linux/Unix administration, install and maintain Linux OS, manage VM deployments, and ensure STIG compliance. Strong security-focused troubleshooting will be essential.

Qualifications

• BS degree; may be substituted for additional years of experience.
• 3+ years of IT/DoD configuration management experience.
• Security Clearance Level: Top Secret with SCI eligibility.
• Location: Offutt AFB, NE.
• Strong experience with Linux distributions (RHEL, CentOS, Ubuntu, SUSE).

Responsibilities

• Perform systems administration for enterprise Linux/Unix solution.
• Install, configure, and maintain Linux/Unix operating systems.
• Analyze and resolve problems associated with the operating system’s servers, hardware, applications, and software.
• Monitor system performance and ensure compliance with security standards.
• Monitor everyday system, evaluate availability of all server resources, and perform all activities for Linux servers.
• Assist with configuring and deploying all virtual machines and install and provide backup to all configuration procedures.
• Maintain and monitor all patch releases, design various patch installation strategies, and maintain all systems according to program standards.
• Provides Tier 2 and 3 troubleshooting support, interfacing the end users and other technical teams from a service support perspective.
• Conduct Security Technical Implementation Guide (STIG) compliance assessments, harden Linux systems according to DoD standards, and ensure adherence to security policies and procedures.

Skills

Backup and Recovery (Software)

Enterprise IT

Linux

Operating Systems (OS)

Education

BS degree

Tools

VMware

Hyper-V

KVM

Cloud-based VMs

Job description

Job Qualifications

Backup and Recovery (Software), Enterprise IT, Linux, Operating Systems (OS)

Job Description

Type of Requisition: Regular

Clearance Level Must Currently Possess: Top Secret

Clearance Level Must Be Able To Obtain: Top Secret/SCI

Public Trust/Other Required: None

Job Family: IT Infrastructure and Operations

Skills: Backup and Recovery (Software), Enterprise IT, Linux, Operating Systems (OS)

Certifications: None

Experience: 3 + years of related experience

US Citizenship Required: Yes

UNIX/Linux OS Administrator

Make meaningful contributions that fuel critical outcomes for some of the most complex government, defense, and intelligence projects. Join GDIT as a UNIX/Linux OS Administrator for a career where your growth is just as important as the mission you support.

Meaningful Work And Personal Impact

As a UNIX/Linux OS Administrator, the work you’ll do at GDIT will be impactful to the mission of USSTRATCOM. USSTRATCOM is a Combatant Command responsible for strategic deterrence, nuclear operations, and enterprise IT services essential to national security. It oversees Nuclear Command, Control, and Communications (NC3), Joint Electromagnetic Spectrum Operations (JEMSO), Global Strike, and Missile Threat Assessments, working closely with other Combatant Commands, Services, and defense agencies. SCITLS will be a key component that will ensure mission success and the safety of the U.S. and its allies by providing 24/7 IT services and network support for NIPRNet, SIPRNet, JWICS, and SAP/SAR environment.

You will play a crucial role in providing administration support in the following areas:

• Perform systems administration for enterprise Linux/Unix solution.
• Install, configure, and maintain Linux/Unix operating systems.
• Analyze and resolve problems associated with the operating system’s servers, hardware, applications, and software.
• Monitor system performance and ensure compliance with security standards.
• Monitor everyday system, evaluate availability of all server resources, and performs all activities for Linux servers.
• Assist with configuring and deploying all virtual machines and install and provide backup to all configuration procedures.
• Maintain and monitor all patch releases, designs various patch installation strategies, and maintain all systems according to program standards.
• Provides Tier 2 and 3 troubleshooting support, interfacing the end users and other technical teams from a service support perspective.
• Conduct Security Technical Implementation Guide (STIG) compliance assessments, harden Linux systems according to DoD standards, and ensure adherence to security policies and procedures.

What You’ll Need To Succeed

• BS degree; may be substituted for additional years of experience
• 3+ years of IT/DoD configuration management experience
• Security Clearance Level: Top Secret with SCI eligibility
• Required Certifications: ITIL 4 Foundation certified within 9 months of start; GFACT or CND or Security+ or GSEC
• Location: Offutt AFB, NE
• Strong experience with Linux distributions (RHEL, CentOS, Ubuntu, SUSE)
• Experience with VMware, Hyper-V, KVM, or cloud-based VMs
• Understanding of security hardening standards (DISA STIGs, CIS benchmarks)
• OS patching and vulnerability remediation
• SELinux or AppArmor experience
• Managing firewall rules (firewalld, iptables)
• Secure configuration of SSH, PAM, sudo policies
• Strong troubleshooting communication (translating technical issues)
• Incident response and root-cause analysis
• Ability to elevate and collaborate with networking, storage, and security teams

Gdit Is Your Place

• Excellent customizable health benefits (Medical, Dental and Vision)
• 401K with company match
• Educational Assistance and eLearning
• Flexible work week
• Internal mobility team dedicated to employee advancement
• Rewards and Recognition programs
• Innovative and collaborative environment encouraging highly motivated critical thinking

The likely salary range for this position is $112,840 - $120,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours

40

Travel Required

None

Telecommuting Options

Onsite

Work Location

USA NE Offutt AFB

Total Rewards At GDIT

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans