Senior Engineer- Software Management Services

Publix Super Markets•Lakeland, FL

2d•Hybrid

About The Position

Publix Super Markets, Inc., the largest employee-owned company in the U.S., is driven by a dynamic technology team of 2,300+ professionals delivering innovative solutions to 1,400+ stores and 200,000+ associates across 8 states. From IT security and platform engineering to architecture, software development, and infrastructure, we offer career opportunities at every level—internships through technical leadership. Join a company consistently ranked among Fortune’s “100 Best Companies to Work For” and help us build more than great subs—build the future of technology at Publix. We are looking for a Senior RHEL Security Engineer to join our Software & Operations team. In this position, you will collaborate with various teams to secure, strengthen, and manage large-scale Red Hat Enterprise Linux systems. Your advanced knowledge of RHEL security, patch management, and addressing vulnerabilities will help protect important business platforms, ensure compliance, and maintain system reliability while supporting our organization's growth goals. Location: Hybrid (Lakeland, FL) Work Model: Enjoy the best of both worlds—collaborate in person and innovate remotely. Why Join Us? Hybrid Flexibility: Work remotely when you need focus time and join us onsite for high-impact collaboration and brainstorming sessions. Operational Efficiency: Ensure technology solutions support efficient workflows and enable automation to improve operational effectiveness. Empowered Culture: We value autonomy, creativity, and continuous learning—your ideas shape the future of technology in our organization.

Requirements

Bachelor’s degree in computer science, Information Technology, or a related analytical field or equivalent experience
2+ years of hands-on experience administering Red Hat Enterprise Linux (RHEL) in large, enterprise environments.
2+ years of expertise in RHEL system administration, including installation, configuration, patching, hardening, and lifecycle management.
Strong proficiency with Red Hat Satellite, including provisioning, patch management, content views, and automation.
2+ years knowledge of systemd, kernel tuning, performance troubleshooting, and resource optimization
1+ years of experience with Automation & Infrastructure as Code, specifically: Ansible / Red Hat Ansible Automation Platform Bash scripting (Python is a plus)
Strong understanding of networking fundamentals (DNS, DHCP, routing, VLANs, firewalling, SELinux).
Experience supporting enterprise applications running on RHEL (e.g., Apache, Tomcat, NGINX, databases) or equivalent experience.
Experience working in an organization utilizing formal processes such as Change Management, Incident/Problem Management and Disaster Recovery Planning and Testing.

Nice To Haves

4+ years of hands-on experience administering Red Hat Enterprise Linux (RHEL) in large, enterprise environments.
4+ years of expertise in RHEL system administration, including installation, configuration, patching, hardening, and lifecycle management.
Have experience with PowerShell scripting
Experience with cloud or hybrid environments (AWS, Azure, OpenShift, OpenStack).
Familiarity with CI/CD pipelines and DevOps workflows.
Exposure to container runtimes (Podman, Docker) or Kubernetes.
Red Hat certifications such as: RHCSA (required or strongly preferred) RHCE (highly preferred) RHCSE/RHCA (bonus)
Understanding of security best practices, including STIG/SOX/PCI compliance, CIS baselines, and vulnerability remediation.

Responsibilities

Oversee security software maintenance and patching for all enterprise RHEL servers, ensuring updates meet required SLAs.
Review, analyze, and act on vulnerability scan outputs (e.g., Tenable) to identify at‑risk systems and drive remediation.
Coordinate with application teams to schedule maintenance windows, validate backout plans, and communicate patching impacts.
Track compliance with security standards, including remediation timelines defined by the Threat & Vulnerability Management Standard.
Own and drive the vulnerability remediation lifecycle, including identification, communication, escalation, and follow‑through until closure.
Monitor official security dashboards (Tenable, Prisma, etc.) to detect new vulnerabilities and ensure accurate ownership and prioritization.
Maintain system integrity and minimize operational risk by validating patch success, investigating failed updates, and performing post‑patch checks.
Collaborate with Information Security and GRC teams to ensure policy alignment and provide documentation or evidence for audits (SOX, internal security reviews).
Document and maintain processes for OS and application security updates, updating procedures as environment or policy requirements evolve.
Provide cross‑team communication on vulnerabilities, patch progress, and risk acceptance decisions to maintain transparency and drive timely remediation.
Support ongoing and future IT initiatives by ensuring the RHEL environment remains secure, stable, and compliant.