Sr. Specialist, DevOps System 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: Sr. Specialist, DevOps System Administrator Job Code: 41907 Job Location: (On Site) Melbourne, FL Job Schedule:  9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off   Job Description: L3Harris is seeking a Sr. Specialist, DevOps Systems Administrator to support and evolve enterprise build and deployment services across multiple teams and environments. This role will be responsible for owning and supporting build pipelines, deployment automation, source control workflows, and environment management, with a primary focus on Git, Jenkins, and Windows-based application environments, while also supporting Linux systems as needed.   This position is critical to both ongoing operational support and long-term strategic initiatives. The selected candidate will play a key role in advancing enterprise DevOps services, while helping drive pipeline automation, standardization, consolidation, CI/CD scaling, compliance readiness, security hardening, and delivery process maturity.   The ideal candidate is a hands-on technical professional who can work independently, partner effectively with developers and infrastructure teams, and improve the reliability, repeatability, and operational stability of fast-moving software delivery processes.     Essential Functions: Own, administer, and support enterprise build and deployment pipelines for internal applications and shared services. Maintain and improve CI/CD workflows using Git and Jenkins. Support source control administration, repository management, branching strategies, and developer workflows. Administer and support Windows Server-based application environments and assist with Linux system administration as needed. Manage environment configuration to ensure systems are stable, secure, repeatable, and operationally reliable. Troubleshoot and resolve issues related to builds, deployments, releases, server configuration, and application hosting environments. Develop and maintain scripts and automation to improve deployment consistency, administrative efficiency, and platform reliability. Support common web and application hosting infrastructure needs, including:o    DNS configuration and maintenance o    SSL/TLS certificate installation and renewal o    Web server configuration and support, including IIS or similar platforms o    Domain renewals and administration o    Firewall rule coordination o    Basic networking and connectivity troubleshooting Partner with software development, IT, infrastructure, and cybersecurity teams to support reliable software delivery and operational continuity. Contribute to pipeline automation, standardization, and consolidation initiatives across the enterprise. Support evaluation, planning, and implementation activities related to Atlassian tool migrations. Assist with scaling CI/CD shared services to meet growing enterprise demand. Support compliance, audit readiness, and security hardening efforts within DevOps and hosting environments. Create and maintain technical documentation, procedures, standards, and operational support materials. Identify opportunities to improve process maturity, delivery consistency, and service reliability across multi-year