Linux System Engineer
Oklahoma City, OK · On-site
The Defense Sector at Leidos is seeking a Linux System Engineer to support a fast-paced program with the Air Force Life Cycle Management Center (AFLCMC). In this role, you will design, deploy ...
Linux System Engineer
Oklahoma City, OK · On-site
The Defense Sector at Leidos is seeking a Linux System Engineer to support a fast-paced program with the Air Force Life Cycle Management Center (AFLCMC). In this role, you will design, deploy ...
Linux System Engineer
Oklahoma City, OK · On-site
$87K - $157K/yr
As a Linux System Engineer , you'll help build and sustain the foundational platforms that enable mission success. You'll improve automation, standardization, and operational efficiency while ...
Linux System Engineer
Oklahoma City, OK · On-site
$87K - $157K/yr
As a Linux System Engineer , you'll help build and sustain the foundational platforms that enable mission success. You'll improve automation, standardization, and operational efficiency while ...
The Defense Sector at Leidos is seeking a Linux System Engineer to support a fast-paced program with the Air Force Life Cycle Management Center (AFLCMC). In this role, you will design, deploy ...
The Defense Sector at Leidos is seeking a Linux System Engineer to support a fast-paced program with the Air Force Life Cycle Management Center (AFLCMC). In this role, you will design, deploy ...
Computer Systems Engineer
Oklahoma City, OK · On-site
$87K - $157K/yr
As a Linux System Engineer , you'll help build and sustain the foundational platforms that enable mission success. You'll improve automation, standardization, and operational efficiency while ...
Computer Systems Engineer
Oklahoma City, OK · On-site
$87K - $157K/yr
As a Linux System Engineer , you'll help build and sustain the foundational platforms that enable mission success. You'll improve automation, standardization, and operational efficiency while ...
This candidate should understand networking concepts, be capable of performing system patching and ... engineering teams and is also responsible for leading IT projects at the local level. In addition ...
This candidate should understand networking concepts, be capable of performing system patching and ... engineering teams and is also responsible for leading IT projects at the local level. In addition ...
This candidate should understand networking concepts, be capable of performing system patching and ... engineering teams and is also responsible for leading IT projects at the local level. In addition ...
This candidate should understand networking concepts, be capable of performing system patching and ... engineering teams and is also responsible for leading IT projects at the local level. In addition ...
This candidate should understand networking concepts, be capable of performing system patching and ... engineering teams and is also responsible for leading IT projects at the local level. In addition ...
New
This candidate should understand networking concepts, be capable of performing system patching and ... engineering teams and is also responsible for leading IT projects at the local level. In addition ...
New
Senior Systems Engineer
Oklahoma City, OK · On-site
$107K - $195K/yr
The Defense Sector at Leidos is seeking an experienced Senior Systems Engineer to support an ... Linux and Windows servers. * Oversee and perform system monitoring, performance tuning, and ...
Senior Systems Engineer
Oklahoma City, OK · On-site
$107K - $195K/yr
The Defense Sector at Leidos is seeking an experienced Senior Systems Engineer to support an ... Linux and Windows servers. * Oversee and perform system monitoring, performance tuning, and ...
Senior Systems Engineer
Oklahoma City, OK · On-site
$107K - $195K/yr
The Senior Systems Engineer will work closely with cross-functional teams to support on-site system ... Linux and Windows servers. * Oversee and perform system monitoring, performance tuning, and ...
Senior Systems Engineer
Oklahoma City, OK · On-site
$107K - $195K/yr
The Senior Systems Engineer will work closely with cross-functional teams to support on-site system ... Linux and Windows servers. * Oversee and perform system monitoring, performance tuning, and ...
Senior Computer Systems Engineer
Oklahoma City, OK · On-site
$107K - $195K/yr
The Senior Systems Engineer will work closely with cross-functional teams to support on-site system ... Linux and Windows servers. * Oversee and perform system monitoring, performance tuning, and ...
Senior Computer Systems Engineer
Oklahoma City, OK · On-site
$107K - $195K/yr
The Senior Systems Engineer will work closely with cross-functional teams to support on-site system ... Linux and Windows servers. * Oversee and perform system monitoring, performance tuning, and ...
Senior Systems Engineer
$107K - $195K/yr
The Defense Sector at Leidos is seeking an experienced Senior Systems Engineer to support an ... Linux andWindows servers. * Oversee and perform system monitoring, performance tuning, and ...
Senior Systems Engineer
$107K - $195K/yr
The Defense Sector at Leidos is seeking an experienced Senior Systems Engineer to support an ... Linux andWindows servers. * Oversee and perform system monitoring, performance tuning, and ...
The Principal/Sr. Principal Systems Engineer will be responsible for developing and executing the program. Roles and Responsibilities will include: * Analyze tooling/support equipment and recommend ...
The Principal/Sr. Principal Systems Engineer will be responsible for developing and executing the program. Roles and Responsibilities will include: * Analyze tooling/support equipment and recommend ...
The Principal/Sr. Principal Systems Engineer will be responsible for developing and executing the program. Roles and Responsibilities will include: * Analyze tooling/support equipment and recommend ...
The Principal/Sr. Principal Systems Engineer will be responsible for developing and executing the program. Roles and Responsibilities will include: * Analyze tooling/support equipment and recommend ...
Senior Systems Administrators
Oklahoma City, OK · On-site
$81K - $110K/yr
Senior System Engineer 6-10 years of experience performing techniques in analysis, installation ... Linux and Microsoft Windows * Possess excellent communication skills (e.g., excellent written and ...
Quick apply
Senior Systems Administrators
Oklahoma City, OK · On-site
$81K - $110K/yr
Senior System Engineer 6-10 years of experience performing techniques in analysis, installation ... Linux and Microsoft Windows * Possess excellent communication skills (e.g., excellent written and ...
System Administrator/Engineer skills in Linux Red Hat, and VMWARE Must be able to build Redhat Linux servers (5.x and 6.x) from scratch using standard IBM processes & procedures Must have 5+ years ...
System Administrator/Engineer skills in Linux Red Hat, and VMWARE Must be able to build Redhat Linux servers (5.x and 6.x) from scratch using standard IBM processes & procedures Must have 5+ years ...
Systems Engineer, Senior - Tulsa
Tulsa, OK · On-site
$91K - $125K/yr
Software programming in C, FORTRAN, and/or other high order languages ... Utilization of the Linux Operating System. * Perform implementation, integration, and acceptance ...
Quick apply
Systems Engineer, Senior - Tulsa
Tulsa, OK · On-site
$91K - $125K/yr
Software programming in C, FORTRAN, and/or other high order languages ... Utilization of the Linux Operating System. * Perform implementation, integration, and acceptance ...
Strong hands-on experience with Linux (Red Hat / RHEL or Embedded Linux preferred) - including basic system administration, scripting, and software development * Proficiency in a programming ...
Strong hands-on experience with Linux (Red Hat / RHEL or Embedded Linux preferred) - including basic system administration, scripting, and software development * Proficiency in a programming ...
Strong hands-on experience with Linux (Red Hat / RHEL or Embedded Linux preferred) - including basic system administration, scripting, and software development * Proficiency in a programming ...
Strong hands-on experience with Linux (Red Hat / RHEL or Embedded Linux preferred) - including basic system administration, scripting, and software development * Proficiency in a programming ...
Strong hands-on experience with Linux (Red Hat / RHEL or Embedded Linux preferred) -- including basic system administration, scripting, and software development * Proficiency in a programming ...
Quick apply
Strong hands-on experience with Linux (Red Hat / RHEL or Embedded Linux preferred) -- including basic system administration, scripting, and software development * Proficiency in a programming ...
Senior Systems Engineer
Oklahoma City, OK · On-site
$96K - $132K/yr
System Design and Integration: Provide technical leadership in system architecture and integration. Make key design decisions, conduct trade studies, and ensure solutions meet performance ...
Quick apply
Senior Systems Engineer
Oklahoma City, OK · On-site
$96K - $132K/yr
System Design and Integration: Provide technical leadership in system architecture and integration. Make key design decisions, conduct trade studies, and ensure solutions meet performance ...
Senior Linux System Engineer information
What are the key skills and qualifications needed to thrive as a senior Linux system engineer?
To thrive as a Senior Linux System Engineer, you need deep expertise in Linux operating systems, scripting (such as Bash, Python, or Perl), system architecture, and a relevant degree or equivalent experience. Familiarity with configuration management tools (like Ansible or Puppet), virtualization platforms, cloud services, and certifications such as RHCE or LPIC are highly valued. Strong problem-solving, collaboration, and communication skills help you efficiently manage complex environments and mentor junior staff. These capabilities are crucial for ensuring system stability, security, and scalability in mission-critical IT infrastructures.
What are some common challenges a senior Linux system engineer faces when managing large-scale server environments?
Senior Linux System Engineers often encounter challenges related to maintaining system uptime, managing complex configurations, and ensuring security across a large number of servers. Troubleshooting issues in distributed environments, automating repetitive tasks, and keeping systems up-to-date with the latest patches are also frequent responsibilities. Collaboration with development, security, and networking teams is essential to resolve cross-functional issues and implement new solutions efficiently. Staying current with evolving technologies and best practices is key to overcoming these challenges and excelling in the role.
What does a senior Linux system engineer do?
A Senior Linux System Engineer is responsible for designing, implementing, maintaining, and troubleshooting Linux-based systems and servers within an organization. They ensure the reliability, security, and optimal performance of these systems, often leading projects and mentoring junior engineers. Their tasks may include automation, scripting, system updates, monitoring, and responding to incidents. They also collaborate with other IT teams to support business needs and implement best practices for system administration.
What is the difference between Senior Linux System Engineer vs Linux System Administrator?
| Aspect | Senior Linux System Engineer | Linux System Administrator |
|---|---|---|
| Certifications | Linux Professional Institute Certification (LPIC), RHCE | LPIC, RHCE often preferred |
| Work Environment | Designing, implementing, and optimizing Linux infrastructure | Maintaining and supporting existing Linux systems |
| Responsibilities | Advanced troubleshooting, system architecture, scripting | System setup, user management, routine maintenance |
The Senior Linux System Engineer typically focuses on designing and optimizing Linux environments, requiring advanced skills and certifications. In contrast, the Linux System Administrator handles daily maintenance and support tasks. Both roles often require similar certifications and work in similar environments, but their responsibilities differ in scope and complexity.
What are popular job titles related to Senior Linux System Engineer jobs in Oklahoma?
For Senior Linux System Engineer jobs in Oklahoma, the most frequently searched job titles are:
What job categories do people searching Senior Linux System Engineer jobs in Oklahoma look for?
The top searched job categories for Senior Linux System Engineer jobs in Oklahoma are:
What cities in Oklahoma are hiring for Senior Linux System Engineer jobs?
Cities in Oklahoma with the most Senior Linux System Engineer job openings:
What are popular job titles related to Senior Linux System Engineer jobs in OK?
For Senior Linux System Engineer jobs in OK, the most frequently searched job titles are:
Leidos rating
8.3
Based on 152 frontline employees who took The Breakroom Quiz
79th of 492 rated business services
Job description
The Defense Sector at Leidos is seeking a Linux System Engineer to support a fast-paced program with the Air Force Life Cycle Management Center (AFLCMC). In this role, you will design, deploy, maintain, and optimize enterprise infrastructure supporting classified mission systems. Working closely with cross-functional teams, you'll help deliver reliable, secure, and scalable infrastructure while supporting system deployments, lifecycle management, automation, and operational readiness.
This position requires 100% on-site support in Oklahoma City, OK.
Why This Role Matters
What You'll Bring
Primary Responsibilities:
Basic Qualifications:
Preferred Qualifications:
DABAOPP1
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
Original Posting:
August 10, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $87,100.00 - $157,450.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
This position requires 100% on-site support in Oklahoma City, OK.
Why This Role Matters
- Modern mission systems depend on resilient, well-engineered infrastructure. As mission requirements evolve, organizations face increasing complexity from system integration, infrastructure modernization, and the need to deliver capabilities efficiently without sacrificing reliability or security.
- As a Linux System Engineer, you'll help build and sustain the foundational platforms that enable mission success. You'll improve automation, standardization, and operational efficiency while delivering infrastructure that is reliable, scalable, and easier to deploy, manage, and maintain across enterprise environments.
What You'll Bring
- You have experience supporting enterprise or classified infrastructure with a strong understanding of Windows and Linux systems, virtualization, enterprise core services, storage, networking, and systems integration. You are comfortable deploying, maintaining, and troubleshooting complex environments while improving automation, reliability, and operational efficiency.
- Most importantly, you're a self-starter who values accountability, continuous improvement, and technical excellence. You exercise sound judgment, work effectively with minimal oversight, and serve as a trusted engineering partner to both technical teams and leadership.
- If you're looking for an opportunity to modernize mission-critical infrastructure, influence technical direction, and make a measurable impact supporting national defense, we'd like to talk with you.
Primary Responsibilities:
- Install, configure, maintain, and patch physical and virtual Linux servers.
- Monitor, troubleshoot, and optimize system performance to ensure high availability, reliability, and operational readiness.
- Manage operating system updates, security hardening, and configuration changes in accordance with DoD policies and standards.
- Support system backups, disaster recovery, and data integrity to ensure business continuity.
- Administer system access, user accounts, and security configurations.
- Collaborate with cross-functional teams to support system deployments, software integration, and infrastructure modernization.
- Maintain accurate system documentation, configuration records, and operational procedures.
- Respond to and resolve infrastructure and system issues, including performance, availability, and security-related incidents.
- Promote knowledge sharing, continuous improvement, and technical collaboration across the team.
Basic Qualifications:
- US Citizen with at least a Top Secret clearance and the ability to obtain a SCI prior to your start date
- Bachelor's degree with 4+ years of experience or Master's degree with 2+ years of experience. Additional years of experience will be considered in lieu of a degree
- DoD 8140 Intermediate certification or DoD 8570 IAM Level II certification (or higher)
- Foundational experience with cloud platforms such as AWS and Azure
- Experience administering Linux and Windows environments, including networking fundamentals and common protocols (HTTP, HTTPS, SSL/TLS, SMTP, DNS).
- Problem-solving and analytical skills, with the ability to bring structure and clarity to ambiguous or unstructured information.
- Self-starter that can work independently while possessing excellent interpersonal, verbal and written communication skills.
Preferred Qualifications:
- US Citizen with an active TS/SCI security clearance
- Linux certifications (RHCSA, RHCE, CompTIA Linux+)
- Experience administering Red Hat Satellite
- Experience with virtualization platforms, including VMware ESXi and Microsoft Hyper-V
- Experience with enterprise infrastructure services, including PKI, certificate management, RSA Authentication Manager, RDS, and VDI
- Experience automating system administration using Ansible, including developing custom playbooks
- Familiarity with ITSM platforms such as ServiceNow and Jira Service Management
DABAOPP1
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
Original Posting:
August 10, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $87,100.00 - $157,450.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
About Leidos
Sourced by ZipRecruiter
At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.
Industry
It services
Company size
10,000+ Employees
Headquarters location
Reston, VA, US