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Added 1 min ago
Sr IT Software Engineer
Palo Alto Networks, Inc.
CA
Contribute to engineering best practices, documentation, and continuous improvement of development processes.
Added 3 mins ago
Lead Engineer
Gaya
Remote, United States
Team Management: Mentor and manage a growing team of engineers, fostering a culture of collaboration, continuous improvement, and technical excellence.
Added 4 mins ago
Founding Software Engineer - Fullstack
Snellito Labs
Remote, United States
Contribute to the continuous improvement of development processes, tools, and best practices.
Added 4 mins ago
Founding Software Engineer - Frontend
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Remote, United States
Contribute to the continuous improvement of development processes, tools, and best practices.
Added 5 mins ago
Integration Engineer, Heatshield (Starship)
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Starbase, TX · Brownsville, TX
…team is responsible for the design, analysis, integration, and continuous improvement of Starship's reentry heatshield and structures. As an integration engineer, you will work very closely…
Added 5 mins ago
Lead QA Engineer - Equity Only
Luupli
Remote, United States
We are seeking an experienced Lead QA Engineer to lead our quality assurance efforts. In this role, you will be responsible for ensuring the highest quality standards for our mobile…
Added 5 mins ago
MT
Site Reliability Engineer
Medina Talent Group
Irvine, CA
- $125,000 to $155,000 USD / year
As a Site Reliability Engineer, you will be immersed in a high-performing and frequently challenged team responsible for the reliability, scalability, and operational excellence of product…
Added 6 mins ago
Process Engineer I-IV
Compass Minerals
Ogden, UT
Summary: The Process Engineer serves as a technical leader responsible for process engineering activities associated with the design, operation, optimization, and continuous improvement of…
Added 7 mins ago
Senior Mechanical Engineer
Anastasia Talent Group
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Anastasia Talent Group is recruiting a Senior Mechanical Engineer on behalf of a confidential organization in Houston, Texas. This role leads the design, development, and improvement of mud…
Added 9 mins ago
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Operations Engineer
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- $120,000 to $130,000 USD / year
The Operations Engineer will own the sustaining engineering functions that keep our foundry running safely, efficiently, and at high quality as we scale. Working directly with Fabri's…
Added 11 mins ago
Full Stack Software Engineer ($5,000) - Chicago, IL
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Chicago, IL
Participate in code reviews and contribute to a culture of continuous improvement.
Added 11 mins ago
Senior Software Quality Engineer
Abbott Laboratories
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…verification, validation, release management, post-market support, and continuous…
Added 14 mins ago
Site Reliability Engineer Internship
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Remote, United States
…cause analysis. Conduct thorough post-incident reviews to drive continuous improvement and eliminate recurring…
Added 14 mins ago
MLOps Engineer Internship
Metasys
Remote, United States
The MLOps Engineer is crucial for bridging the gap between data science and production, responsible for the reliable, scalable, and secure deployment of machine learning models. You will…
Added 17 mins ago
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Junior Data Engineer (Remote)
EdgeQ Technologies Private Limited
Remote, United States
- $75,000 to $115,000 USD / year
Participate in code reviews, testing, and continuous improvement initiatives.
Added 17 mins ago
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Go Developer (Golang)
EdgeQ Technologies Private Limited
Austin, TX · Texas City, TX · New York City, NY · San Francisco, CA
- $85,000 to $155,000 USD / year
Implement secure coding practices and contribute to continuous improvement.
Added 17 mins ago
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AI Engineer (Remote)
EdgeQ Technologies Private Limited
Remote, United States
- $110,000 to $150,000 USD / year
Participate in code reviews, technical discussions, and continuous improvement initiatives.
Added 20 mins ago
Cloud Systems & Endpoint Engineer
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We’re looking for a hands-on Cloud Systems & Endpoint Engineer who combines strong technical skills with a service-oriented approach to solving complex problems.
Added 30 mins ago
Machine Shop Supervisor
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…aligning competencies with product and process requirements. Drive continuous improvement initiatives focused on reducing scrap, improving quality, increasing productivity, and achieving…
Added 34 mins ago
Senior Engineer Geotechnical
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We are looking for a Senior Engineer Geotechnical to help our mining team use high-quality geotechnical information to support safe, effective mine design and operations. In this role,…
Added 39 mins ago
Pre-Sales Solutions Engineer-Hyperscaler
Cisco
San Jose, CA
…environment. Our team culture thrives on creativity, teamwork, and continuous improvement, focusing on advancing systems through innovative network architectures. This role offers the…
Added 40 mins ago
AI Developer Relations Engineer
Félix
United States
We’re looking for an Applied AI Engineer to help the AI team and colleagues across Félix get more out of AI in their daily work. You’ll build and debug agents and integrations, help…
Added 40 mins ago
AI Developer Relations Engineer
Félix
NY
We’re looking for an Applied AI Engineer to help the AI team and colleagues across Félix get more out of AI in their daily work. You’ll build and debug agents and integrations, help…
Added 40 mins ago
AI Developer Relations Engineer
Félix
United States
We’re looking for an Applied AI Engineer to help the AI team and colleagues across Félix get more out of AI in their daily work. You’ll build and debug agents and integrations, help…
Added 40 mins ago
AI Developer Relations Engineer
Félix
United States
We’re looking for an Applied AI Engineer to help the AI team and colleagues across Félix get more out of AI in their daily work. You’ll build and debug agents and integrations, help…

Closed listing

General Dynamics Information Technology

Linux Systems Engineer

MacDill AFB, FL, United States

The likely salary range for this position is $110,500 - $149,500.

This opening has closed.

The original listing is kept below for reference.

Find open jobs More jobs with this employer

About employer

Job details

Pay: The likely salary range for this position is $110,500 - $149,500.
Experience: Experience: 5+ years of related experience
Posting language: English
Posted: Nov 3, 2026

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Original job description

Archived listing. The details below describe a past opening.

Req ID: RQ231520

Type of Requisition: Regular

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

Public Trust/Other Required: None

Job Family: IT Infrastructure and Operations

Skills:

CentOS,Linux,Linux Server,RedHat

Certifications:

ITIL 4 Foundation | PeopleCert - PeopleCert, CompTIA Linux+ CE | CompTIA - CompTIA, Red Hat Certified System Administrator (RHCSA) | Red Hat - Red Hat, CompTIA Security+ CE | CompTIA - CompTIA

Experience:

5 + years of related experience

US Citizenship Required:

Yes

Job Description:

Advance how our customers operate while you advance your career. Join GDIT as a Senior Linux Systems Engineer and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

MEANINGFUL WORK AND PERSONAL IMPACT

As a Senior Linux Systems Engineer , the work you’ll do at GDIT will be impactful to the mission of USCENTCOM. You will play a crucial role in configuration, maintenance, and optimization of Linux-based server environments supporting a large-scale enterprise infrastructure. This role supports mission-critical systems across an environment of more than 5,000 users, 1,000 servers, and 10,000 endpoints. The administrator will collaborate closely with other Enterprise Services teams to ensure system availability, performance, security compliance, and operational efficiency in support of USCENTCOM mission requirements.

Duties and Responsibilities

Configure, deploy, and maintain Linux server environments, including physical and virtual systems.
Administer Red Hat and CentOS Linux systems, ensuring stability, performance, and security compliance.
Configure and manage Linux services such as Apache, Nginx, DNS, DHCP, LDAP, and related system services.
Monitor system performance and availability, proactively identifying and resolving issues before they impact operations.
Troubleshoot and resolve complex system issues, including problems without existing documented solutions.
Implement system patches, updates, and security hardening in accordance with DoD and organizational policies.
Manage SSL/TLS certificate lifecycle activities supporting Linux-based services.
Collaborate with infrastructure, network, storage, and security teams to design and implement Linux-based solutions aligned with enterprise requirements.
Participate in system upgrades, migrations, and the deployment of new Linux infrastructure components.
Ensure incidents, problems, and service requests are tracked, prioritized, escalated, and resolved appropriately.
Develop and maintain technical documentation, including system configurations, troubleshooting guides, and standard operating procedures.
Produce reports and data sets to inform leadership of system performance, trends, and improvement opportunities.
Provide technical mentorship and guidance to junior administrators and team members.
Support projects focused on improving the security, efficiency, scalability, and resilience of Linux environments.
Assist in developing and enforcing system policies and best practices.
Participate in enterprise initiatives to modernize and standardize infrastructure services.
Contribute to continuous improvement efforts across Enterprise Services teams.

WHAT YOU’LL NEED TO SUCCEED

Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator Senior must have:

Certification: Applicable DoW 8140 or DoW 8570 Certification
Experience: 5+ years of related experience
Required skills:
Demonstrated proficiency administering Red Hat and CentOS Linux systems in enterprise environments.
Strong experience building, deploying, and maintaining Linux server infrastructures.
Expertise in system performance tuning, availability management, and security hardening.
Experience implementing patches, updates, and configuration changes in controlled environments.
Ability to troubleshoot and resolve complex systems issues under operational constraints.
Strong documentation skills for system configurations, procedures, and troubleshooting guides.
Proven ability to work collaboratively across multiple IT disciplines.
Desired Skills:
Red Hat Certified System Administrator (RHCSA) or higher
ITIL 4 Foundation Certification
Experience supporting USCENTCOM environments and familiarity with mission systems and operational requirements.
Knowledge of enterprise-scale infrastructure operations.
Experience mentoring junior administrators and contributing to team development.
Security clearance level: TS/SCI
US citizenship required

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

Growth: AI-powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, competitive pay and paid time off
Community: Award-winning culture of innovation and a military-friendly workplace

#centcomcits

#gditprioity

The likely salary range for this position is $110,500 - $149,500. 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.

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 https://gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

About employer

More about this job

Skills

Linux
ITIL
Security+
IMPACT
Regulatory compliance
DNS
DHCP
LDAP
Monitor system performance
Troubleshoot
Documentation
Troubleshooting
Leadership
Process improvement
Coaching
Team building

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