Senior Specialist, Cyber Infrastructure Systems Engineer (Systems Administrator)

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 is the Trusted Disruptor in defense tech. 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, Cyber Infrastructure Systems Engineer (Systems Administrator)
Job Code: 44426
Job Location: Colorado Springs, CO
Job Schedule: 5/8 - Employees work 8 hours per day, 5 days a week
Job Description:
We are seeking a Systems Administrator to support the administration, automation, and sustainment of enterprise Linux-based infrastructure and platform environments. This role is intended for a mid-to-senior level professional who can work with limited oversight, support complex system environments, and contribute to modernization efforts across virtualized and containerized platforms.
The ideal candidate will bring strong experience in Red Hat Enterprise Linux , automation, container orchestration, cybersecurity compliance, and Agile execution in a SAFe environment . This individual will play a key role in maintaining secure, reliable, and scalable infrastructure supporting mission-critical operations.
Essential Functions:
* Experience administering, maintaining, and troubleshooting Red Hat Enterprise Linux systems in a production enterprise environment, including system configuration, patching, performance tuning, and issue resolution.
* Hands-on experience supporting virtualized infrastructure using VMware and/or container platform environments using OpenShift, including deployment, configuration, and ongoing system sustainment.
* Experience using Ansible for automation of system administration tasks, configuration management, application deployment, patching, and repeatable infrastructure support activities.
* Working knowledge of Kubernetes architecture and experience supporting containerized applications, cluster operations, workload deployments, and platform troubleshooting.
* Experience operating within a SAFe Agile framework, including participation in team ceremonies, sprint planning, backlog refinement, and delivery of work in an iterative development environment.
Qualifications:
* Bachelor's Degree with a minimum of 6 years of relevant experience, or Graduate Degree with a minimum of 4 years of relevant experience, or in lieu of a degree, a minimum of 10 years of prior related experience.
* Clearance: Top Secret SCI preferred. SCI eligible at minimum.
* DoD -M IAT Level 2 Required Professional Certifications: Security+ CE, or higher certification
Preferred Additional Skills:
* Red Hat Certified System Administrator certification demonstrating foundational expertise in Red Hat system administration and enterprise Linux support.
* Experience using Red Hat Satellite for system provisioning, patch management, software lifecycle management, content management, and host administration across enterprise environments.
* CKA certification or equivalent demonstrated experience supporting Kubernetes-based environments and container orchestration best practices.
* Experience using Splunk for log aggregation, system monitoring, operational visibility, troubleshooting, and identification of system or security-related events.
* Familiarity with JIRA for work tracking, GitHub for version control and collaboration, and Jenkins for supporting automation and CI/CD pipeline activities.
* Experience writing or modifying Python scripts to support automation, administration, reporting, integration, or operational efficiency improvements.
* Scrum Master certification or practical Agile team facilitation experience that supports collaboration, process improvement, and effective execution within Agile teams.
In compliance with pay transparency requirements, the salary range for this role in Colorado state is $92,500-$171,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.
The application window for this position will close on 11/20/2026.
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.
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