Specialist, Cyber Infrastructure Systems Engineer (Systems Administrator) 1

Location: Colorado Springs, CO, US

Employment Type: Full-Time

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: Specialist, Cyber Infrastructure Systems Engineer (System Administration)

Job Code: 44433

Job Location: Colorado Springs, CO

Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked (Every other Friday Off)

Job Description:

We are seeking a skilled and experienced Cyber Infrastructure Systems Engineer (CISE) to join our Colorado Springs, CO team. This role requires an experience system administrator to support mission-critical systems and infrastructure in a secure environment. The ideal candidate will have deep experience administering complex enterprise systems, maintaining secure AWS infrastructure, supporting cybersecurity compliance, and enabling modern development and CI/CD platform operations. This role requires strong technical expertise in Red Hat Enterprise Linux (RHEL), AWS technologies, platform engineering, and secure systems administration practices.

Essential Functions:

• Deploy, manage, and optimize AWS cloud infrastructure supporting mission and business applications.
• Utilize cloud technologies such as Amazon Web Service (AWS) Amazon Machine Images (AMI)
• Support and maintain CI/CD pipeline platforms to enable secure and efficient software delivery.
• Collaborate with software development, DevSecOps, and cybersecurity teams to integrate infrastructure and platform services.
• Automate system administration tasks using scripting and infrastructure-as-code approaches where applicable.
• Utilize virtualization technologies such as KVM, VMware, vSphere/vCenter, and microservices/containers (e.g., OpenShift, Docker) to enhance system functionality and efficiency.
• Implement and maintain security controls in compliance with DoD security frameworks and RMF requirements, integrating RMF principles into ground-up builds and ongoing security administration.

Qualifications:

• Bachelor’s Degree with a minimum of 4 years of relevant experience, or Graduate Degree with a minimum of 2 years of relevant experience, or in lieu of a degree, a minimum of 8 years of prior related experience.
• Secret Clearance
• DoD 8570.01-M IAT Level 2 Required Professional Certifications: CCNA- Security, Security+ CE, or higher certification'

Preferred Additional Skills:

• Knowledge of Kubernetes, containers, or OpenShift platform administration.
• Experience with Infrastructure as Code tools such as Terraform or Ansible.
• Familiarity with DevSecOps practices and secure software development environments.
• Experience with centralized logging, monitoring, and endpoint security tools.

In compliance with pay transparency requirements, the salary range for this role in Colorado state is $80,500-$149,500. 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 11/10/2026.

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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.

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