Specialist, Cyber Infrastructure Systems Engineer

About the job

Job Title: Specialist, Cyber Infrastructure Systems Engineer

Job Code: Recruiter will populate****

Job Location: Patrick SFB, FL and L3Harris, Wickham Campus, Melbourne, FL****

Job Schedule: 9/80****

****Job Description:

We are seeking a skilled and experienced Cyber Infrastructure Systems Engineer (Systems Administrator) to join our Melbourne, Florida team. The role requires a highly skilled technical professional with a TS/SCI clearance and a strong foundation in cybersecurity, cloud engineering, and systems administration. The individual serves as a key contributor in the design, deployment, and sustainment of complex mission systems running in AWS GovCloud and C2S environments. With hands-on experience configuring, monitoring, maintaining, and troubleshooting Red Hat and CentOS Linux systems, this engineer brings both operational expertise and a developer’s mindset to automation, optimization, and problem-solving.

****Essential Functions:

**- Administer, configure, monitor, and troubleshoot Red Hat/CentOS Linux systems in secure, mission-focused environments.

• Deploy and manage AWS GovCloud/C2S cloud infrastructure with automation tools and virtualization technologies.

• Operate as an AWS Cloud Systems Administrator with experience supporting and maintaining JBoss-based services.

• Implement and sustain system hardening measures using applicable DoD security standards, STIGs, and organizational cybersecurity policies.

• Perform vulnerability identification and remediation activities to support compliance with RMF controls, POA&M tracking, and audit readiness efforts.

• Monitor system performance, availability, and operational health to ensure reliability and continuity of mission systems.

• Troubleshoot and resolve software, operating system, and access-related issues while adhering to established security procedures.

• Maintain accurate system configurations, change records, and technical documentation to support configuration management and compliance inspections.

• Coordinate with cybersecurity, network, and program teams to support accreditation activities, incident response, and secure system operations in classified or controlled environments.

• Local travel from L3Harris to Patrick SFB (AFTAC) as needed.**

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.

• Top Secret/SCI Clearance

• DoD 8570.01-M IAT Level 2 Required Professional Certifications: CCNA- Security, Security+ CE, or higher certification**

Preferred Additional Skills:

**- Experience with PKI and/or OAuth authentication models.

• Experience Integrating, securing, and administering cross-domain systems.

• Experience Integrating, securing, and administering microservices, containers (i.e., docker)

#LI-NB1