Senior SELinux Engineer
Listed on 2025-11-30
-
IT/Tech
Systems Engineer, Cybersecurity, IT Support, Cloud Computing
Overview
Senior SELinux Engineer | 457158
Location
: 100% Remote
Position Type
: 3-6M Contract (w/ possibility of conversion to fulltime)
Hourly / Salary
: to $70W2
Vaco Technology is currently seeking a Senior SELinux Engineer for a 3-6M C2H opportunity that is 100% remote. The Senior SELinux Engineer will support a large-scale enterprise environment consisting of approximately 3,000 Linux servers (primarily Red Hat) and 1,000 Windows servers. The Senior SELinux Engineer will be critical in ensuring 24x7x365 uptime, with a strong focus on addressing and resolving P1/P2 incidents to maintain uninterrupted business operations.
The Senior SELinux Engineer will provide advanced support, troubleshooting, and resolution for critical incidents while maintaining, optimizing, and securing a high-volume Red Hat Linux environment. The Senior SELinux Engineer will closely collaborate with cross-functional teams to ensure system stability, availability, and compliance, as well as active contribution to incident management processes to minimize downtime and reduce service impact.
- Linux Server Administration – Overseeing Installation / Configuration / Maintenance of Linux Servers Across Diverse Enterprise Client Environments
- Incident Escalation – Serving as Senior Escalation Point for P1 / P2 Client Incidents | Ensuring Timely SLA Adherence / Technical Resolution | Clear Communication to Clients / Internal Stakeholders
- Infrastructure Reliability – Proactively Maintaining / Developing Linux Infrastructure Technology to Deliver 24x7x365 Uptime Services
- System Management – Performing Performance Management / Patching / Troubleshooting / Upgrades / Lifecycle Management to Ensure High Availability and Reliability
- Security / Compliance – Implementing / Enforcing Security Best Practices / Vulnerability Management / Compliance Standards (CIS / NIST / PCI-DSS / HIPAA / Client-Specific Frameworks)
- ITIL Alignment – Supporting Incident / Change / Problem / Request Management Processes
- Cross-Functional Collaboration – Partnering With Windows / Network / Security / Cloud Teams to Deliver Integrated Client Solutions
- Client Onboarding / Migration – Leading / Supporting Client Onboarding / Migration Projects | Assessing Linux Environments / Standardizing Configs | Integrating Systems into MSP Monitoring / Management Platforms
- Process Documentation – Developing and Refining SOPs / Runbooks / Knowledge Base Articles to Enable Repeatable Processes Across Multiple Client Environments
- Monitoring and Reporting – Implementing / Optimizing Monitoring / Alerting / Logging Solutions (Prometheus / Grafana / Splunk / ELK) | Generating Reports for Internal Use / Client Presentations
- Mentorship – Providing Mentorship / Technical Guidance to Junior Engineers | Role Model for Best Practices
The initial SELinux setup lacked proper policy definitions (whitelisted applications / correct file contexts, etc.), causing frequent errors and alerts requiring manual intervention. These issues are affecting ~3,000 Red Hat servers, with some areas incorrectly set to permissive mode or disabled, undermining security in a regulated environment. The Senior SELinux Engineers will focus on break-fix for SELinux-related incidents, triage incidents, refine SELinux policies, reduce false alerts, and contribute to long-term problem management.
Job Requirements- Red Hat / RHEL Linux Administration (8+ years) – Installation / Configuration / Patch Management / Automation / Logging / Troubleshooting
- SELinux (hands-on / advanced) – Maintaining / Troubleshooting SELinux Policies | Adjusting Contexts / Managing Configurations in Enforce Mode | Operating in a Highly-Regulated Environment where SELinux is Implemented Enterprise-wide but Requires Remediation due to Incorrect Initial Setups, etc.
- Virtualization – VMware / Open Shift Virtualization (strongly preferred / not required)
- Ansible Automation (strongly preferred) – Utilizing Ansible for Automation in the context of Red Hat Satellite Server for System Management / Configuration | Writing Playbooks to Install Base Packages / Configure Network Settings / Mount File systems / Setup Users, etc. | Security /…
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