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Senior Specialist, Systems Administration

L3Harris Technologies

Senior Specialist, Systems Administration

full-timePosted: Jan 16, 2026

Job Description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Senior Specialist, Systems Administration

Job Code: 32866

Job Location: Fort Wayne, IN

Job Description:

We are seeking an experienced Senior Linux System Administrator to join our dynamic IT team. The ideal candidate will have a deep understanding of Linux systems, including advanced skills in kickstarting, applying Security Technical Implementation Guides (STIGs), and bash scripting. This role involves managing, optimizing, and securing our Linux infrastructure to ensure high performance and reliability.

Essential Functions:

  • Configure, monitor, maintain, and troubleshoot Red Hat Enterprise Linux systems.
  • Experience with Kickstart. Design, implement, and manage automated Linux installations using Kickstart for efficient system provisioning and deployment.
  • Experience in software installation and ability to troubleshoot application compatibility.
  • Experience with testing applications such as Jenkins, Bitbucket, SVN.
  • Create and maintain comprehensive documentation for system configurations, procedures, and best practices.
  • Experience with Virtualization (KVM/VMware) and backup technologies such as Commvault, NAS, SAN, SAS, iSCSI
  • Experience with administration of Splunk Enterprise
  • Ability to automate repetitive and/or complicated tasks using bash
  • Collaborative efforts with ISSOs to support audits, maintain STIG compliance, conduct risk assessments, and remediate Nessus/STIG scan findings.
  • Responsible for implementing security patches, conducting system scans, remediate findings, and participate in audits to ensure system integrity.
  • Committed to supporting critical operations during standard business hours and providing flexible support as needed outside standard hours.
  • Work is 100% on-site and cannot be accomplished remotely.
  • Travel up to 10%

Qualifications:

  • Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
  • Current/active security clearance with the ability to obtain TS/SCI with CI polygraph, if applicable.
  • Ability within 6 months of hire to achieve Security+CE

Preferred Additional Skills:

  • Red Hat Certification (RHCSA or RHCE)
  • Experience with Ansible and Ansible Automation Platform (AAP)
  • Experience with Continuous Integration/Continuous Delivery (CI/CD), build management, and/or automated test frameworks
  • Experience with Podman and/or containerization technologies
  • Experience with Active Directory (AD)

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

Locations

  • Fort Wayne, IN, United States

Salary

Estimated Salary Rangemedium confidence

130,000 - 195,000 USD / yearly

Source: AI Estimation

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Linux systems (Red Hat Enterprise Linux)intermediate
  • Kickstart for automated installationsintermediate
  • STIGs (Security Technical Implementation Guides)intermediate
  • Bash scriptingintermediate
  • Software installation and troubleshootingintermediate
  • Testing applications (Jenkins, Bitbucket, SVN)intermediate
  • Virtualization (KVM/VMware)intermediate
  • Backup technologies (Commvault, NAS, SAN, SAS, iSCSI)intermediate
  • Splunk Enterprise administrationintermediate
  • Nessus/STIG scansintermediate
  • Automation of tasksintermediate
  • Ansible and Ansible Automation Platform (preferred)intermediate
  • CI/CD, build management, automated test frameworks (preferred)intermediate
  • Podman/containerization (preferred)intermediate
  • Active Directory (preferred)intermediate
  • Red Hat Certification (RHCSA or RHCE) (preferred)intermediate

Required Qualifications

  • Bachelor’s Degree and minimum 6 years of prior relevant experience (experience)
  • Graduate Degree and minimum 4 years of prior related experience (experience)
  • In lieu of degree, minimum 10 years of prior related experience (experience)
  • Current/active security clearance with ability to obtain TS/SCI with CI polygraph if applicable (experience)
  • Ability within 6 months of hire to achieve Security+CE (experience)

Responsibilities

  • Configure, monitor, maintain, and troubleshoot Red Hat Enterprise Linux systems
  • Design, implement, and manage automated Linux installations using Kickstart
  • Software installation and troubleshoot application compatibility
  • Test applications such as Jenkins, Bitbucket, SVN
  • Create and maintain comprehensive documentation for system configurations, procedures, and best practices
  • Administer virtualization (KVM/VMware) and backup technologies (Commvault, NAS, SAN, SAS, iSCSI)
  • Administer Splunk Enterprise
  • Automate repetitive/complicated tasks using bash
  • Collaborate with ISSOs to support audits, maintain STIG compliance, conduct risk assessments, remediate Nessus/STIG scan findings
  • Implement security patches, conduct system scans, remediate findings, participate in audits
  • Support critical operations during standard business hours and flexible support outside hours
  • 100% on-site work
  • Travel up to 10%

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L3Harris Technologies logo

Senior Specialist, Systems Administration

L3Harris Technologies

Senior Specialist, Systems Administration

full-timePosted: Jan 16, 2026

Job Description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Senior Specialist, Systems Administration

Job Code: 32866

Job Location: Fort Wayne, IN

Job Description:

We are seeking an experienced Senior Linux System Administrator to join our dynamic IT team. The ideal candidate will have a deep understanding of Linux systems, including advanced skills in kickstarting, applying Security Technical Implementation Guides (STIGs), and bash scripting. This role involves managing, optimizing, and securing our Linux infrastructure to ensure high performance and reliability.

Essential Functions:

  • Configure, monitor, maintain, and troubleshoot Red Hat Enterprise Linux systems.
  • Experience with Kickstart. Design, implement, and manage automated Linux installations using Kickstart for efficient system provisioning and deployment.
  • Experience in software installation and ability to troubleshoot application compatibility.
  • Experience with testing applications such as Jenkins, Bitbucket, SVN.
  • Create and maintain comprehensive documentation for system configurations, procedures, and best practices.
  • Experience with Virtualization (KVM/VMware) and backup technologies such as Commvault, NAS, SAN, SAS, iSCSI
  • Experience with administration of Splunk Enterprise
  • Ability to automate repetitive and/or complicated tasks using bash
  • Collaborative efforts with ISSOs to support audits, maintain STIG compliance, conduct risk assessments, and remediate Nessus/STIG scan findings.
  • Responsible for implementing security patches, conducting system scans, remediate findings, and participate in audits to ensure system integrity.
  • Committed to supporting critical operations during standard business hours and providing flexible support as needed outside standard hours.
  • Work is 100% on-site and cannot be accomplished remotely.
  • Travel up to 10%

Qualifications:

  • Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
  • Current/active security clearance with the ability to obtain TS/SCI with CI polygraph, if applicable.
  • Ability within 6 months of hire to achieve Security+CE

Preferred Additional Skills:

  • Red Hat Certification (RHCSA or RHCE)
  • Experience with Ansible and Ansible Automation Platform (AAP)
  • Experience with Continuous Integration/Continuous Delivery (CI/CD), build management, and/or automated test frameworks
  • Experience with Podman and/or containerization technologies
  • Experience with Active Directory (AD)

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

Locations

  • Fort Wayne, IN, United States

Salary

Estimated Salary Rangemedium confidence

130,000 - 195,000 USD / yearly

Source: AI Estimation

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Linux systems (Red Hat Enterprise Linux)intermediate
  • Kickstart for automated installationsintermediate
  • STIGs (Security Technical Implementation Guides)intermediate
  • Bash scriptingintermediate
  • Software installation and troubleshootingintermediate
  • Testing applications (Jenkins, Bitbucket, SVN)intermediate
  • Virtualization (KVM/VMware)intermediate
  • Backup technologies (Commvault, NAS, SAN, SAS, iSCSI)intermediate
  • Splunk Enterprise administrationintermediate
  • Nessus/STIG scansintermediate
  • Automation of tasksintermediate
  • Ansible and Ansible Automation Platform (preferred)intermediate
  • CI/CD, build management, automated test frameworks (preferred)intermediate
  • Podman/containerization (preferred)intermediate
  • Active Directory (preferred)intermediate
  • Red Hat Certification (RHCSA or RHCE) (preferred)intermediate

Required Qualifications

  • Bachelor’s Degree and minimum 6 years of prior relevant experience (experience)
  • Graduate Degree and minimum 4 years of prior related experience (experience)
  • In lieu of degree, minimum 10 years of prior related experience (experience)
  • Current/active security clearance with ability to obtain TS/SCI with CI polygraph if applicable (experience)
  • Ability within 6 months of hire to achieve Security+CE (experience)

Responsibilities

  • Configure, monitor, maintain, and troubleshoot Red Hat Enterprise Linux systems
  • Design, implement, and manage automated Linux installations using Kickstart
  • Software installation and troubleshoot application compatibility
  • Test applications such as Jenkins, Bitbucket, SVN
  • Create and maintain comprehensive documentation for system configurations, procedures, and best practices
  • Administer virtualization (KVM/VMware) and backup technologies (Commvault, NAS, SAN, SAS, iSCSI)
  • Administer Splunk Enterprise
  • Automate repetitive/complicated tasks using bash
  • Collaborate with ISSOs to support audits, maintain STIG compliance, conduct risk assessments, remediate Nessus/STIG scan findings
  • Implement security patches, conduct system scans, remediate findings, participate in audits
  • Support critical operations during standard business hours and flexible support outside hours
  • 100% on-site work
  • Travel up to 10%

Target Your Resume for "Senior Specialist, Systems Administration" , L3Harris Technologies

Get personalized recommendations to optimize your resume specifically for Senior Specialist, Systems Administration. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Senior Specialist, Systems Administration" , L3Harris Technologies

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score
Quiz Challenge

Answer 10 quick questions to check your fit for Senior Specialist, Systems Administration @ L3Harris Technologies.

10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.